Discussion of chess software programming and technical issues.
Moderator: Ras
Chessnut1071
Posts: 313Joined: Tue Aug 03, 2021 2:41 pmFull name: Bill Beame
Post by Chessnut1071 Thu Jun 16, 2022 2:34 pm
lithander wrote: ↑ Thu Jun 16, 2022 1:36 pm Chessnut1071 wrote: ↑ Thu Jun 16, 2022 1:31 pm
? any info on what's in that evaluation. I had to examine over 10x the positions. Up until today, I thought it was pretty efficient. weeping, weeping.
I think for finding these mates the search is more important than the evaluation. Version 2.0 of Leorik is equally fast and in that version the eval is still just tapered PSQTs.
I think for finding these mates the search is more important than the evaluation.
maybe we're talking about the same thing. I'm still pretty new to this board and getting use to your chess language.
For example, if my engine uses 331 million legal calls and others use less than 5 million, some how they looked at 98.5% fewer moves. So, what did they use to eliminate 98.5% of the moves I needed to find the mate? If I could find the solution in only 5 million legal searches I would clock about 26 seconds instead of 1750.
hgm
Posts: 28353Joined: Fri Mar 10, 2006 10:06 amLocation: AmsterdamFull name: H G Muller
Post by hgm Thu Jun 16, 2022 3:24 pm
Chessnut1071 wrote: ↑ Thu Jun 16, 2022 1:25 pm
If Fruit can solve that mate after searching only 3.78 positions it must be using something more sophisticated than my simple eval metrics above.
?, are mailbox engines faster than PEXT and magic boards on mate solutions? All that data slows down my fast PEXT engine speed, but, without the data there's no evaluation. The evaluation seems to be the key to reaching those incredible speeds reported here.
Fruit is not a mate finder, but optimized for playing games. Its evaluation has the usual piece/square tables for material and centralization, mobility, pawn structure (passers, doubled pawns etc.), and king safety. It is the latter that probably helps most. In Fruit it is based on the number of pieces and the accumulated power of the pieces that attack squares next to the king, in a non-linear way.
For mate finding even a simplistic mailbox is probably faster than any bitboard implementation. It is usually the difficulty of selectively generating captures in Quiescence Search that is hard with mailbox. But for mate finding you don't need a QS.
federico
Posts: 32Joined: Sun Oct 22, 2017 4:36 amLocation: CanadaFull name: Federico Rojo
Post by federico Thu Jun 16, 2022 3:56 pm
Chessnut1071 wrote: ↑ Thu Jun 16, 2022 6:22 am
First, thanks to all the great suggestions and comments from members of this board after I joined last August. At that time I had a VB engine clocking 3,890 legal moves per second. I just finished a PEXT, C# Net 6.0, bitboard version that clocks 205,000 legal moves per second on my i7 2.6 GHz laptop. My problem is I have no idea how fast it compare with engines like Herr Muhler, et. el., and those reaching speeds in the millions. I need comparisons on chips similar to my 6-year old i7, 2.6 GHz chip to see where I am. Below, is a forced checkmate that my PEXT program finds in 1,750 seconds, or, 29:10 minutes.
FEN[1201] = "5k2/ppp2r1p/2p2ppP/8/2Q5/2P1bN2/PP4P1/1K1R4 w - - 0 1 ";
AI used: alpha/beta/ Zobirst Hash/ eval: check, disc check, double check, pawn promotion, ent passant, history, capture and piece type moved.
Since I'm focused on checkmate solutions the standard performance tests are inappropriate for this type of objective.
If you have an engine that solves the above FEN, please list the chip statistics for comparative purposes.
HW: Ryzen 5950X@4.4Ghz
Ceibo 0.8 - 1 thread - 256mb Hash
Finds a mate in 2.8s (~10MM nodes)
Finds mate in 7 in 29s (~100MM nodes)
Code: Select all
Ceibo
ucinewgame
position fen 5k2/ppp2r1p/2p2ppP/8/2Q5/2P1bN2/PP4P1/1K1R4 w - - 0 1
go
info depth 1 seldepth 5 score cp 1413 time 0 nodes 121 nps 436397 hashfull 0 pv d1d8 f8e7
info depth 2 seldepth 3 score cp 1413 time 0 nodes 251 nps 557792 hashfull 0 pv d1d8 f8e7
info depth 3 seldepth 7 score cp 1383 time 0 nodes 1208 nps 1294831 hashfull 0 pv c4b4 c6c5 b4b7
info depth 4 seldepth 5 score cp 1383 time 1 nodes 2026 nps 1602685 hashfull 0 pv c4b4 c6c5 b4b7 e3h6
info depth 5 seldepth 9 score cp 1415 time 2 nodes 4824 nps 2099227 hashfull 0 pv d1d8 f8e7 d8d7 e7d7 c4f7 d7d6
info depth 6 seldepth 9 score cp 1415 time 3 nodes 9570 nps 2493539 hashfull 0 pv d1d8 f8e7 d8d7 e7d7 c4f7 d7d6
info depth 7 seldepth 11 score cp 1455 time 6 nodes 18109 nps 2781879 hashfull 0 pv d1d8 f8e7 d8b8 e3h6 b8b7 e7f8 b7a7
info depth 8 seldepth 12 score cp 1781 time 10 nodes 29774 nps 2857148 hashfull 0 pv d1d8 f8e7 c4d3 f6f5 f3e5 f7f8 d8d7 e7e6
info depth 9 seldepth 13 score cp 1811 time 13 nodes 41955 nps 3008560 hashfull 0 pv d1d8 f8e7 c4d3 f6f5 f3e5 e3h6 d3d7 e7f6 e5f7
info depth 10 seldepth 13 score cp 1805 time 20 nodes 63764 nps 3117967 hashfull 0 pv d1d8 f8e7 c4d3 f6f5 f3e5 e3h6 d3d7 e7f6 e5f7 h6f4
info depth 11 seldepth 15 score cp 1953 time 41 nodes 136581 nps 3270225 hashfull 1 pv d1d8 f8e7 d8c8 f7f8 c8c7 e7d6 c7b7 c6c5 c4d3 e3d4 d3a6 d6d5
info depth 12 seldepth 15 score cp 2125 time 57 nodes 191699 nps 3316514 hashfull 2 pv d1d8 f8e7 d8c8 f7f8 c8c7 e7d6 c7b7 c6c5 c4d3 e3d4 b7h7 f8e8
info depth 13 seldepth 17 score cp 2154 time 84 nodes 290968 nps 3446151 hashfull 3 pv d1d8 f8e7 d8c8 f7f8 c8c7 e7d6 c7b7 c6c5 c4d3 e3d4 c3d4 f8h8 d3a6 d6d5
info depth 14 seldepth 18 score cp 2185 time 130 nodes 452799 nps 3479342 hashfull 4 pv d1d8 f8e7 d8c8 f7f8 c8c7 e7d6 c7b7 c6c5 c4d3 e3d4 b7h7 f8c8 c3d4 c5d4
info depth 15 seldepth 21 score cp 2672 time 406 nodes 1430055 nps 3513925 hashfull 17 pv d1d8 f8e7 d8c8 e7d6 c4f7 a7a5 c8c7 e3f2 f7e7 d6d5 c7d7 d5c4 e7e2 c4c5 e2f2 c5c4
info depth 16 seldepth 24 score cp 2770 time 759 nodes 2678627 nps 3524604 hashfull 31 pv d1d8 f8e7 d8c8 e7d6 c4f7 d6c5 f7e7 c5b6 e7e3 c6c5 e3e6 c7c6 c8h8 c5c4 h8h7 a7a5
info depth 17 seldepth 21 score cp 2773 time 929 nodes 3268103 nps 3514365 hashfull 38 pv d1d8 f8e7 d8c8 e7d6 c4f7 d6c5 f7e7 c5b6 e7e3 c6c5 e3e6 c7c6 c8h8 g6g5 h8h7 c5c4 e6f6
info depth 18 seldepth 26 score mate 8 time 2861 nodes 10388046 nps 3629872 hashfull 116 pv d1d8 f8e7 d8c8 e7d6 c4d3 d6c5 b2b4 c5b6 a2a4 a7a5 d3e3 c6c5 e3c5 b6a6 c5a5
info depth 19 seldepth 27 score mate 8 time 4306 nodes 15825997 nps 3674789 hashfull 161 pv d1d8 f8e7 d8c8 e7d6 c4d3 d6c5 b2b4 c5b6 a2a4 a7a5 d3e3 c6c5 e3c5 b6a6 c5a5
info depth 20 seldepth 26 score mate 8 time 5861 nodes 21693300 nps 3701223 hashfull 201 pv d1d8 f8e7 d8c8 e7d6 c4d3 d6c5 b2b4 c5b6 a2a4 a7a5 d3e3 c6c5 e3c5 b6a6 c5a5
info depth 21 seldepth 29 score mate 8 time 8879 nodes 32663173 nps 3678332 hashfull 294 pv d1d8 f8e7 d8c8 e7d6 c4d3 d6c5 b2b4 c5b6 a2a4 a7a5 d3e3 c6c5 e3c5 b6a6 c5a5
info depth 22 seldepth 29 score mate 8 time 13916 nodes 50494981 nps 3628371 hashfull 427 pv d1d8 f8e7 d8c8 e7d6 c4d3 d6c5 b2b4 c5b6 a2a4 a7a5 d3e3 c6c5 e3c5 b6a6 c5a5
info depth 23 seldepth 32 score mate 7 time 29192 nodes 106524677 nps 3649084 hashfull 813 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d1 f6f5 e4f4 g6g5 f4g5
info depth 24 seldepth 35 score mate 7 time 52939 nodes 193562306 nps 3656302 hashfull 984 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d1 f6f5 e4f4 g6g5 f4g5
info depth 25 seldepth 35 score mate 7 time 82275 nodes 302627694 nps 3678228 hashfull 999 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d1 f6f5 e4f4 g6g5 f4g5
stop
info depth 26 seldepth 35 score mate 7 time 93690 nodes 344688513 nps 3679017 hashfull 999 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d1 f6f5 e4f4 g6g5 f4g5
bestmove c4e4
Ceibo latest dev - 1 thread - 256mb Hash
Finds a mate in 1.5s (~9.5MM nodes)
Finds mate in 7 in 3.2s (~18MM nodes)
Code: Select all
ucinewgame
position fen 5k2/ppp2r1p/2p2ppP/8/2Q5/2P1bN2/PP4P1/1K1R4 w - - 0 1
go
info depth 1 seldepth 5 score cp 1111 time 0 nodes 126 fnodes 62 qnodes 64 nps 1311106 tbhits 0 hashfull 0 pv c4b4 c6c5
info depth 2 seldepth 3 score cp 1111 time 1 nodes 225 fnodes 151 qnodes 74 nps 128186 tbhits 0 hashfull 0 pv c4b4 c6c5
info depth 3 seldepth 6 score cp 1111 time 3 nodes 1149 fnodes 1030 qnodes 119 nps 312156 tbhits 0 hashfull 0 pv c4b4 c6c5 b4b7
info depth 4 seldepth 7 score cp 1111 time 4 nodes 2179 fnodes 2018 qnodes 161 nps 483320 tbhits 0 hashfull 0 pv c4b4 c6c5 b4b7 e3h6
info depth 5 seldepth 10 score cp 1118 time 5 nodes 5425 fnodes 5060 qnodes 365 nps 924110 tbhits 0 hashfull 0 pv c4b4 c6c5 b4b7 e3h6 d1d8 f8g7
info depth 6 seldepth 9 score cp 1118 time 6 nodes 8944 fnodes 8334 qnodes 610 nps 1332866 tbhits 0 hashfull 0 pv c4b4 c6c5 b4b7 e3h6 d1d8 f8g7
info depth 7 seldepth 10 score cp 1148 time 8 nodes 17488 fnodes 16645 qnodes 843 nps 2029373 tbhits 0 hashfull 0 pv c4b4 c6c5
info depth 7 seldepth 9 score cp 1148 time 9 nodes 18824 fnodes 17838 qnodes 986 nps 2080795 tbhits 0 hashfull 0 pv c4b4 c6c5 b4b7 e3h6 b7a7 h6e3 a7a4
info depth 8 seldepth 11 score cp 1178 time 12 nodes 33528 fnodes 31614 qnodes 1914 nps 2662532 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 8 seldepth 9 score cp 1209 time 12 nodes 34107 fnodes 32119 qnodes 1988 nps 2654163 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 8 seldepth 12 score cp 1269 time 14 nodes 35996 fnodes 33691 qnodes 2305 nps 2552406 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 8 seldepth 11 score cp 1389 time 18 nodes 37003 fnodes 34430 qnodes 2573 nps 2010197 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 8 seldepth 11 score cp 1433 time 19 nodes 39668 fnodes 36768 qnodes 2900 nps 2030754 tbhits 0 hashfull 0 pv d1d8 f8e7 c4d3 f6f5 f3e5 f7f8 d8d7 e7e6
info depth 9 seldepth 13 score cp 1456 time 23 nodes 62823 fnodes 59564 qnodes 3259 nps 2684258 tbhits 0 hashfull 0 pv d1d8 f8e7 d8c8 e3b6 c4e4 e7d6 c8d8 f7d7 e4d3 b6d4
info depth 10 seldepth 13 score cp 1456 time 26 nodes 83525 fnodes 79987 qnodes 3538 nps 3192191 tbhits 0 hashfull 0 pv d1d8 f8e7 d8c8 e3b6 c4e4 e7d6 c8d8 f7d7 e4d3 b6d4
info depth 11 seldepth 13 score cp 1487 time 30 nodes 110595 fnodes 106507 qnodes 4088 nps 3660697 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 11 seldepth 15 score cp 1516 time 32 nodes 122842 fnodes 118222 qnodes 4620 nps 3789859 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 11 seldepth 15 score cp 1516 time 38 nodes 153805 fnodes 148661 qnodes 5144 nps 4044740 tbhits 0 hashfull 0 pv d1d8 f8e7 d8c8 f7f8 c4e4 e7f7 c8c7 f7g8 e4e6 g8h8 e6e3
info depth 12 seldepth 15 score cp 1547 time 43 nodes 191149 fnodes 185331 qnodes 5818 nps 4432997 tbhits 0 hashfull 0 pv d1d8 f8e7
info depth 12 seldepth 15 score cp 1569 time 47 nodes 219248 fnodes 212688 qnodes 6560 nps 4625313 tbhits 0 hashfull 0 pv d1d8 f8e7 d8c8 f7f8 c4e4 e7f7 c8c7 f7g8 e4e6 g8h8 e6e3 f8b8
info depth 13 seldepth 16 score cp 1600 time 56 nodes 292658 fnodes 284880 qnodes 7778 nps 5137084 tbhits 0 hashfull 1 pv d1d8 f8e7
info depth 13 seldepth 16 score cp 1630 time 59 nodes 307909 fnodes 299031 qnodes 8878 nps 5146180 tbhits 0 hashfull 1 pv d1d8 f8e7
info depth 13 seldepth 16 score cp 1675 time 69 nodes 372361 fnodes 362341 qnodes 10020 nps 5346491 tbhits 0 hashfull 1 pv d1d8 f8e7 d8c8 f7f8 c4b4 c6c5 b4e4 e7d7 c8f8 e3h6 f8f6 d7d8 e4b7
info depth 14 seldepth 17 score cp 1675 time 88 nodes 523281 fnodes 512205 qnodes 11076 nps 5912550 tbhits 0 hashfull 1 pv d1d8 f8e7 d8c8 f7f8 c4b4 c6c5 b4e4 e7d7 c8f8 e3h6 f8f6 c5c4 f6f7 d7c8
info depth 15 seldepth 19 score cp 1706 time 110 nodes 684931 fnodes 670343 qnodes 14588 nps 6180228 tbhits 0 hashfull 2 pv d1d8 f8e7
info depth 15 seldepth 19 score cp 1736 time 117 nodes 717831 fnodes 700365 qnodes 17466 nps 6123282 tbhits 0 hashfull 2 pv d1d8 f8e7
info depth 15 seldepth 17 score cp 1796 time 125 nodes 758684 fnodes 735810 qnodes 22874 nps 6028230 tbhits 0 hashfull 2 pv d1d8 f8e7
info depth 15 seldepth 20 score cp 1915 time 139 nodes 823119 fnodes 793914 qnodes 29205 nps 5904864 tbhits 0 hashfull 3 pv d1d8 f8e7
info depth 15 seldepth 21 score cp 2061 time 204 nodes 1196638 fnodes 1152284 qnodes 44354 nps 5851997 tbhits 0 hashfull 5 pv d1d8 f8e7 d8c8 e7d6 c4f7 d6c5 c8c7 c5b5 c7b7 b5a6 f7d7 g6g5 d7c6 e3b6 b7h7
info depth 16 seldepth 20 score cp 2091 time 261 nodes 1556008 fnodes 1502114 qnodes 53894 nps 5955206 tbhits 0 hashfull 7 pv d1d8 f8e7
info depth 16 seldepth 19 score cp 2121 time 282 nodes 1670917 fnodes 1612068 qnodes 58849 nps 5914592 tbhits 0 hashfull 7 pv d1d8 f8e7
info depth 16 seldepth 21 score cp 2170 time 351 nodes 2101692 fnodes 2033060 qnodes 68632 nps 5987188 tbhits 0 hashfull 10 pv d1d8 f8e7 d8c8 e7d6 c4f7 a7a5 c8c7 e3b6 c7b7 d6c5 f7f6 c5b5 b7h7 b6e3 f3e5 a5a4
info depth 17 seldepth 21 score cp 2200 time 453 nodes 2790008 fnodes 2713977 qnodes 76031 nps 6149203 tbhits 0 hashfull 13 pv d1d8 f8e7
info depth 17 seldepth 21 score cp 2230 time 509 nodes 3127348 fnodes 3045129 qnodes 82219 nps 6134156 tbhits 0 hashfull 16 pv d1d8 f8e7
info depth 17 seldepth 21 score cp 2256 time 577 nodes 3570712 fnodes 3481924 qnodes 88788 nps 6182163 tbhits 0 hashfull 18 pv d1d8 f8e7 d8c8 e7d6 c4f7 d6c5 f7e7 c5b6 e7e3 c6c5 e3e7 c7c6 e7h7 g6g5 c8b8 b6a5 b8b7
info depth 18 seldepth 22 score cp 2269 time 742 nodes 4734188 fnodes 4639568 qnodes 94620 nps 6376367 tbhits 0 hashfull 22 pv d1d8 f8e7 d8c8 e7d6 c4f7 d6c5 f7e7 c5b6 e7e3 c6c5 e3e7 g6g5 e7f6 c7c6 f3g5 b6b5 f6e7 c5c4
info depth 19 seldepth 24 score cp 2299 time 903 nodes 5820840 fnodes 5719127 qnodes 101713 nps 6440704 tbhits 0 hashfull 28 pv d1d8 f8e7
info depth 19 seldepth 22 score cp 2329 time 950 nodes 6106196 fnodes 6000805 qnodes 105391 nps 6425396 tbhits 0 hashfull 29 pv d1d8 f8e7
info depth 19 seldepth 22 score cp 2389 time 981 nodes 6285660 fnodes 6176900 qnodes 108760 nps 6404710 tbhits 0 hashfull 30 pv d1d8 f8e7
info depth 19 seldepth 21 score cp 2509 time 1004 nodes 6412321 fnodes 6301620 qnodes 110701 nps 6381110 tbhits 0 hashfull 31 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 2749 time 1018 nodes 6481568 fnodes 6370198 qnodes 111370 nps 6363418 tbhits 0 hashfull 32 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 3229 time 1036 nodes 6569660 fnodes 6456797 qnodes 112863 nps 6338826 tbhits 0 hashfull 32 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 4189 time 1047 nodes 6617407 fnodes 6504540 qnodes 112867 nps 6319835 tbhits 0 hashfull 33 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 6109 time 1053 nodes 6637348 fnodes 6524481 qnodes 112867 nps 6303024 tbhits 0 hashfull 33 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 9949 time 1058 nodes 6656591 fnodes 6543724 qnodes 112867 nps 6287071 tbhits 0 hashfull 33 pv d1d8 f8e7
info depth 19 seldepth 20 score cp 17629 time 1064 nodes 6673756 fnodes 6560889 qnodes 112867 nps 6271347 tbhits 0 hashfull 33 pv d1d8 f8e7
info depth 19 seldepth 21 score mate 9 time 1581 nodes 9515100 fnodes 9402223 qnodes 112877 nps 6017568 tbhits 0 hashfull 46 pv d1d8 f8e7 d8c8 a7a5 c4e4 e7d6 e4e3 c6c5 c8e8 f7e7 e3e7 d6c6 e7e6 c6b5 a2a4 b5a4 e6c4
info depth 20 seldepth 18 score mate 8 time 2079 nodes 11882731 fnodes 11769854 qnodes 112877 nps 5714431 tbhits 0 hashfull 55 pv f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7f8 c4e6 g5h6 e6f7
info depth 21 seldepth 16 score mate 8 time 2369 nodes 13289767 fnodes 13176890 qnodes 112877 nps 5609289 tbhits 0 hashfull 59 pv f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7f8 c4e6 g5h6 e6f7
info depth 22 seldepth 16 score mate 8 time 2611 nodes 14555881 fnodes 14443004 qnodes 112877 nps 5573197 tbhits 0 hashfull 62 pv f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7f8 c4e6 g5h6 e6f7
info depth 23 seldepth 16 score mate 7 time 3278 nodes 18242010 fnodes 18129105 qnodes 112905 nps 5564364 tbhits 0 hashfull 74 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d3 f4g3 d3g3 g6g5 g3h3
info depth 24 seldepth 14 score mate 7 time 3770 nodes 21128690 fnodes 21015785 qnodes 112905 nps 5604204 tbhits 0 hashfull 81 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d3 f4g3 d3g3 g6g5 g3h3
info depth 25 seldepth 14 score mate 7 time 4555 nodes 25820985 fnodes 25708080 qnodes 112905 nps 5668618 tbhits 0 hashfull 91 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d3 f4g3 d3g3 g6g5 g3h3
info depth 26 seldepth 14 score mate 7 time 5196 nodes 29819631 fnodes 29706726 qnodes 112905 nps 5738370 tbhits 0 hashfull 98 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d3 f4g3 d3g3 g6g5 g3h3
stopinfo depth 27 seldepth 14 score mate 7 time 6256 nodes 36559107 fnodes 36446202 qnodes 112905 nps 5843662 tbhits 0 hashfull 110 pv c4e4 e3h6 d1d8 f8g7 f3d4 h6f4 d4e6 g7h6 d8d3 f4g3 d3g3 g6g5 g3h3
info depth 28 seldepth 18 score mate 22 time 6440 nodes 37884831 fnodes 37771926 qnodes 112905 nps 5882001 tbhits 0 hashfull 112 pv c4e4
bestmove c4e4
JVMerlino
Posts: 1397Joined: Wed Mar 08, 2006 10:15 pmLocation: San Francisco, California
Post by JVMerlino Thu Jun 16, 2022 5:37 pm
Current testing version of Myrddin on a AMD Ryzen 5 3600 3.60 GHz finds Mate in 14 in 3.93s and eventually Mate in 7 in 9.29s, after searching ~29M nodes.
Code: Select all
12 32740 393 10284449 d1d8 f8e7 d8d3 e3h6 d3d7 e7d7 c4f7 d7d6 f7f6 d6d5 f6e5 d5c4 e5d4 c4b5 a2a4 b5a6 d4c4 a6b6 a4a5 b6a5 b2b4 a5a4 c4a2 a4b5 f3d4 b5b6 a2a5 (2611 KNPS)(Mate in 14)
13 32742 440 11629464 d1d8 f8e7 d8d3 e3h6 d3d7 e7d7 c4f7 d7d6 f7f6 d6d5 f6e5 d5c4 e5d4 c4b5 a2a4 b5a6 d4c4 a6a5 b2b4 a5a4 (2638 KNPS)(Mate in 13)
14 32750 498 13480360 d1d8 f8e7 d8d3 e3h6 d3d7 e7d7 c4f7 d7d6 f7f6 d6d5 f6e5 d5c4 b1c2 c6c5 f3d4 c5d4 b2b3 (2704 KNPS)(Mate in 9)
15 32750 570 16050231 d1d8 f8e7 d8d3 e3h6 d3d7 e7d7 c4f7 d7d6 f7f6 d6d5 f6e5 d5c4 b1c2 c6c5 f3d4 c5d4 b2b3 (2814 KNPS)(Mate in 9)
16 32750 687 20063357 d1d8 f8e7 d8d3 e3h6 d3d7 e7d7 c4f7 d7d6 f7f6 d6d5 f6e5 d5c4 b1c2 c6c5 f3d4 c5d4 b2b3 (2918 KNPS)(Mate in 9)
16 32752 756 22583000 f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7g8 c4e6 g8h8 d7d8 (2985 KNPS)(Mate in 8)
17 32752 782 23554463 f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7g8 c4e6 g8h8 d7d8 (3009 KNPS)(Mate in 8)
18 32752 871 26904172 f3g5 e3g5 c4b4 c6c5 b4c5 f7e7 d1d8 f8f7 c5c4 e7e6 d8d7 f7g8 c4e6 g8h8 d7d8 (3085 KNPS)(Mate in 8)
18 32754 929 29058456 c4e4 e3h6 d1d8 f8g7 f3d4 f7f8 e4e7 g7g8 d8d7 f8e8 e7h7 g8f8 h7h8 (3125 KNPS)(Mate in 7)
For embarrassing comparison, The King from CM9000, the great mate-finding engine of its time (which is now 20 years ago), announces Mate in 7 in about 0.5s, after searching only ~1.27M nodes....
Code: Select all
Time Depth Score Positions Moves
0:00 1/3 13.99 4781 1.Rd8+ Ke7 2.Rd7+ Kxd7 3.Qxf7+
Kd6 4.Qxf6+ Kc5 5.Qe5+ Kb6 6.Qxe3+
c5
0:00 1/4 17.01 28884 1.Rd8+ Ke7 2.Qd3 f5 3.Rg8 Bc5 4.Qd8+
Ke6 5.Ng5+ Ke5 6.Nxf7+ Ke6 7.Ng5+
Ke5 8.Qxc7+ Kd5 9.Nxh7
0:00 1/5 18.32 95220 1.Rd8+ Ke7 2.Qd3 f5 3.Rg8 Bc5 4.Qd8+
Ke6 5.Ng5+ Ke5 6.Nxf7+ Ke6 7.Ng5+
Ke5 8.Re8+ Kf4 9.Ne6+ Kg3 10.Qg5+
Kh2 11.Nxc5
0:00 1/5 Mate08 112202 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/6 Mate08 148296 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/7 Mate08 304400 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/8 Mate08 692755 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/8 Mate07 1278179 1.Qe4 Bd2 2.Rxd2 Re7 3.Rd8+ Kf7
4.Qc4+ Re6 5.Rd7+ Kf8 6.Qxe6 f5
7.Qf7#
federico
Posts: 32Joined: Sun Oct 22, 2017 4:36 amLocation: CanadaFull name: Federico Rojo
Post by federico Fri Jun 17, 2022 1:21 am
JVMerlino wrote: ↑ Thu Jun 16, 2022 5:37 pm
For embarrassing comparison, The King from CM9000, the great mate-finding engine of its time (which is now 20 years ago), announces Mate in 7 in about 0.5s, after searching only ~1.27M nodes....
Code: Select all
Time Depth Score Positions Moves
0:00 1/3 13.99 4781 1.Rd8+ Ke7 2.Rd7+ Kxd7 3.Qxf7+
Kd6 4.Qxf6+ Kc5 5.Qe5+ Kb6 6.Qxe3+
c5
0:00 1/4 17.01 28884 1.Rd8+ Ke7 2.Qd3 f5 3.Rg8 Bc5 4.Qd8+
Ke6 5.Ng5+ Ke5 6.Nxf7+ Ke6 7.Ng5+
Ke5 8.Qxc7+ Kd5 9.Nxh7
0:00 1/5 18.32 95220 1.Rd8+ Ke7 2.Qd3 f5 3.Rg8 Bc5 4.Qd8+
Ke6 5.Ng5+ Ke5 6.Nxf7+ Ke6 7.Ng5+
Ke5 8.Re8+ Kf4 9.Ne6+ Kg3 10.Qg5+
Kh2 11.Nxc5
0:00 1/5 Mate08 112202 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/6 Mate08 148296 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/7 Mate08 304400 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/8 Mate08 692755 1.Qe6 Bxh6 2.Rd8+ Kg7 3.Ne5 fxe5
4.Qxe5+ Rf6 5.Rd7+ Kg8 6.Qxf6 c5
7.Qf7+ Kh8 8.Qxh7#
0:00 1/8 Mate07 1278179 1.Qe4 Bd2 2.Rxd2 Re7 3.Rd8+ Kf7
4.Qc4+ Re6 5.Rd7+ Kf8 6.Qxe6 f5
7.Qf7#
As always, The King is very impressive!. I wonder how it fares against this one. Does it find the mate?
[fen]8/8/p1p5/1p5p/1P5p/8/PPP2K1p/4R1rk w - - 0 1[/fen]
JVMerlino
Posts: 1397Joined: Wed Mar 08, 2006 10:15 pmLocation: San Francisco, California
Post by JVMerlino Fri Jun 17, 2022 4:30 am
federico wrote: ↑ Fri Jun 17, 2022 1:21 am
As always, The King is very impressive!. I wonder how it fares against this one. Does it find the mate?
[fen]8/8/p1p5/1p5p/1P5p/8/PPP2K1p/4R1rk w - - 0 1[/fen]
Mate in 10 with Rf1 in two seconds:
Code: Select all
Time Depth Score Positions Moves
0:00 1/3 -1.84 866 1.Re6 Rb1 2.Rxc6 Rxb2
0:00 1/4 -1.84 2212 1.Re6 Rb1 2.Rxc6 Rxb2
0:00 1/5 -1.84 5484 1.Re6 Rb1 2.b3 Ra1 3.Rxc6 Rxa2
0:00 1/6 -2.01 13902 1.Re6 Rg2+ 2.Kf3 Rg5 3.a4 Rf5+
4.Ke4 Kg2 5.Rg6+ Kf2
0:00 2/7 -2.03 32501 1.Re6 Rg2+ 2.Kf3 Rg5 3.a4 Rf5+
4.Ke4 Rf1 5.Rxc6 Kg2
0:00 3/8 -2.48 63034 1.Re6 Rg2+ 2.Kf3 Rg5 3.Re2 Rg3+
4.Ke4 Kg1 5.Re1+ Kf2 6.Rh1 Kg2
0:00 4/9 -3.09 193343 1.Re6 Rg2+ 2.Kf1 Rxc2 3.a3 Rc4
4.Rf6 Rc1+ 5.Kf2 h3 6.Kg3 Kg1
0:00 5/10 -3.01 422376 1.Re6 Rg2+ 2.Kf1 Rg4 3.Rf6 Rg1+
4.Kf2 Rg2+ 5.Kf1 Rxc2 6.a3 Rc1+
7.Kf2 h3
0:00 6/11 -3.13 755377 1.Re6 Rg2+ 2.Kf1 Rxc2 3.a3 c5 4.b3
cxb4 5.axb4 Rc1+ 6.Kf2 Ra1 7.Re5
Ra2+ 8.Kf3
0:00 6/11 -0.93 1073719 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
a5 5.c6 b4 6.c7 Rxf1+ 7.Kxf1
0:00 7/12 0.00 1149537 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.bxa5
0:01 8/13 0.62 1546829 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.c6
a4 8.Ke2 Kg2
0:01 9/14 0.00 2625745 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.c6
a4 8.c7
0:02 10/15 Mate10 4857708 1.Rf1 h3 2.b3 h4 3.c3 a5 4.bxa5
b4 5.cxb4 Rxf1+ 6.Kxf1 c5 7.a6
cxb4 8.a3 bxa3 9.a7 a2 10.a8=Q#
federico
Posts: 32Joined: Sun Oct 22, 2017 4:36 amLocation: CanadaFull name: Federico Rojo
Post by federico Fri Jun 17, 2022 4:20 pm
JVMerlino wrote: ↑ Fri Jun 17, 2022 4:30 am
Mate in 10 with Rf1 in two seconds:
Code: Select all
Time Depth Score Positions Moves
0:00 1/3 -1.84 866 1.Re6 Rb1 2.Rxc6 Rxb2
0:00 1/4 -1.84 2212 1.Re6 Rb1 2.Rxc6 Rxb2
0:00 1/5 -1.84 5484 1.Re6 Rb1 2.b3 Ra1 3.Rxc6 Rxa2
0:00 1/6 -2.01 13902 1.Re6 Rg2+ 2.Kf3 Rg5 3.a4 Rf5+
4.Ke4 Kg2 5.Rg6+ Kf2
0:00 2/7 -2.03 32501 1.Re6 Rg2+ 2.Kf3 Rg5 3.a4 Rf5+
4.Ke4 Rf1 5.Rxc6 Kg2
0:00 3/8 -2.48 63034 1.Re6 Rg2+ 2.Kf3 Rg5 3.Re2 Rg3+
4.Ke4 Kg1 5.Re1+ Kf2 6.Rh1 Kg2
0:00 4/9 -3.09 193343 1.Re6 Rg2+ 2.Kf1 Rxc2 3.a3 Rc4
4.Rf6 Rc1+ 5.Kf2 h3 6.Kg3 Kg1
0:00 5/10 -3.01 422376 1.Re6 Rg2+ 2.Kf1 Rg4 3.Rf6 Rg1+
4.Kf2 Rg2+ 5.Kf1 Rxc2 6.a3 Rc1+
7.Kf2 h3
0:00 6/11 -3.13 755377 1.Re6 Rg2+ 2.Kf1 Rxc2 3.a3 c5 4.b3
cxb4 5.axb4 Rc1+ 6.Kf2 Ra1 7.Re5
Ra2+ 8.Kf3
0:00 6/11 -0.93 1073719 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
a5 5.c6 b4 6.c7 Rxf1+ 7.Kxf1
0:00 7/12 0.00 1149537 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.bxa5
0:01 8/13 0.62 1546829 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.c6
a4 8.Ke2 Kg2
0:01 9/14 0.00 2625745 1.Rf1 h3 2.a3 h4 3.c3 c5 4.bxc5
Rxf1+ 5.Kxf1 b4 6.cxb4 a5 7.c6
a4 8.c7
0:02 10/15 Mate10 4857708 1.Rf1 h3 2.b3 h4 3.c3 a5 4.bxa5
b4 5.cxb4 Rxf1+ 6.Kxf1 c5 7.a6
cxb4 8.a3 bxa3 9.a7 a2 10.a8=Q#
That is indeed really impressive!
This is one position that Ceibo always had trouble with. Only in recent versions it was able to find e1f1 as best move, but could not find a mate. My latest dev version can find the mate in 10, but not nearly as quickly and efficiently as The King. It required only 4.8MM nodes!
Ceibo 0.8
Finds bm in 2.6s and 10MM nodes.
Does not find a mate even after running for 5 minutes.
Code: Select all
Ceibo
ucinewgame
position fen 8/8/p1p5/1p5p/1P5p/8/PPP2K1p/4R1rk w - - 0 1
go
info depth 1 seldepth 4 score cp -577 time 0 nodes 95 nps 353489 hashfull 0 pv e1e8
info depth 2 seldepth 8 score cp -601 time 0 nodes 408 nps 826866 hashfull 0 pv e1e5 g1g2 f2e3
info depth 3 seldepth 5 score cp -601 time 0 nodes 614 nps 911966 hashfull 0 pv e1e5 g1g2 f2e3
info depth 4 seldepth 8 score cp -601 time 0 nodes 1066 nps 1184018 hashfull 0 pv e1e5 g1g2 f2e3 g2c2
info depth 5 seldepth 11 score cp -559 time 1 nodes 2113 nps 1601350 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5
info depth 6 seldepth 10 score cp -541 time 1 nodes 4022 nps 2037638 hashfull 0 pv e1e5 g1g2 f2f3 g2g4 e5h5 g4b4
info depth 7 seldepth 13 score cp -527 time 2 nodes 5669 nps 2251838 hashfull 0 pv e1e5 g1g2 f2f3 g2g4 e5h5 g4b4 b2b3
info depth 8 seldepth 13 score cp -573 time 4 nodes 13033 nps 2792960 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1r
info depth 9 seldepth 12 score cp -573 time 5 nodes 16967 nps 2933768 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1r h3h1 g1h1
info depth 10 seldepth 13 score cp -573 time 7 nodes 23910 nps 3138932 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1r h3h1 g1h1
info depth 11 seldepth 16 score cp -562 time 12 nodes 41776 nps 3400837 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5e6 h5h4 e6e4 g2g1 e4h4 g1f1 f3e3
info depth 12 seldepth 18 score cp -554 time 18 nodes 65759 nps 3571561 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g3 f3f2 g3g1 e4h4 g1g2 f2e3
info depth 13 seldepth 15 score cp -554 time 21 nodes 80635 nps 3674079 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g3 f3f2 g3g1 e4h4 g1g2 f2e3
info depth 14 seldepth 18 score cp -541 time 36 nodes 140245 nps 3829662 hashfull 1 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4h4 h1g1 h4h3 h2h1q h3h1 g1h1
info depth 15 seldepth 19 score cp -539 time 49 nodes 193172 nps 3874572 hashfull 1 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4h4 h1g1 h4h3 g5g2 f3e4 h2h1q h3h1 g1h1
info depth 16 seldepth 20 score cp -539 time 69 nodes 271247 nps 3928366 hashfull 2 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4e1 g5g1 e1e4 g1g3 f3f2 c6c5 e4h4 g3g2
info depth 17 seldepth 23 score cp -612 time 306 nodes 1195344 nps 3899814 hashfull 12 pv e1e5 g1g2 f2f1 g2g8 e5h5 g8f8 f1e2 h1g2 h5h4 h2h1q h4h1 g2h1 e2e3 h1g2 a2a3 f8f2 e3d3
info depth 18 seldepth 24 score cp -619 time 619 nodes 2389334 nps 3858904 hashfull 24 pv e1e5 g1g2 f2f1 g2g8 e5f5 g8g1 f1f2 g1g2 f2f1 g2c2 f5h5 c2b2 h5h4 b2a2 h4h6 a2c2 h6d6 c2c4
info depth 19 seldepth 24 score cp -611 time 802 nodes 3133565 nps 3902954 hashfull 32 pv e1e5 g1g2 f2f1 g2g8 e5f5 g8g1 f1f2 g1g2 f2f1 g2c2 f5h5 c2b2 a2a3 b2b3 h5h4 b3a3 h4h6 a3a1 f1e2
info depth 20 seldepth 25 score cp -614 time 964 nodes 3771757 nps 3908653 hashfull 36 pv e1e5 g1g2 f2f1 g2g8 e5f5 g8g1 f1f2 g1g2 f2f1 g2c2 f5h5 c2b2 a2a3 b2b3 h5h4 b3a3 h4h6 a3a1 f1e2 a1c1
info depth 21 seldepth 26 score cp -634 time 1682 nodes 6577180 nps 3909914 hashfull 60 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f1f2 g4g2 f2f1 g2c2 f5h5 c2a2 h5h4 a2a1 f1e2 h1g2 h4g4 g2h3 g4g7
info depth 22 seldepth 27 score cp 0 time 2654 nodes 10510739 nps 3960014 hashfull 98 pv e1f1 h4h3 a2a3 g1f1 f2f1 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 23 seldepth 31 score cp 0 time 8334 nodes 33492697 nps 4018756 hashfull 363 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 24 seldepth 26 score cp 0 time 8345 nodes 33539934 nps 4018745 hashfull 363 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 25 seldepth 28 score cp 0 time 8364 nodes 33617891 nps 4019334 hashfull 364 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 26 seldepth 28 score cp 0 time 8385 nodes 33700381 nps 4018845 hashfull 364 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 27 seldepth 30 score cp 0 time 8409 nodes 33806575 nps 4020041 hashfull 365 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 28 seldepth 30 score cp 0 time 8442 nodes 33958420 nps 4022466 hashfull 366 pv e1f1 h4h3 a2a3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4a3 b2a3 a6a5 c6c7 a5a4 c7c8q
info depth 29 seldepth 38 score cp 336 time 164179 nodes 646503146 nps 3937774 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e3 f1e1 e3d2 e1f1 c8d7 f1a1 d2e3 h1g1 d7g4 g1f1 g4h3 f1g1 h3g4
info depth 30 seldepth 34 score cp 477 time 164443 nodes 647576435 nps 3937994 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1a1 c8h3 a1a2 e2e3 a2g2 h3h4 g2g3 e3f2 g3g2 f2e3 g2g3 e3f2 g3g2
info depth 31 seldepth 35 score cp 470 time 164625 nodes 648341690 nps 3938281 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1a1 c8d7 h1g1 d7g4 g1h1 g4a4 h1g2 a4g4 g2h1 g4h3 h1g1 h3g4 g1h1 g4h4
info depth 32 seldepth 35 score cp 470 time 164725 nodes 648727877 nps 3938228 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1a1 c8d7 h1g1 d7g4 g1h1 g4a4 h1g2 a4g4 g2h1 g4h3 h1g1 h3g4 g1h1 g4h4 a1a3
info depth 33 seldepth 38 score cp 454 time 165025 nodes 649967245 nps 3938582 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2g2 e3d3 g2f2 h4e4 f1g1 e4g4 g1f1
info depth 34 seldepth 38 score cp 454 time 165226 nodes 650802194 nps 3938851 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2g2 e3d3 g2f2 h4e4 f1g1 e4g4 g1f1
info depth 35 seldepth 39 score cp 454 time 165431 nodes 651650098 nps 3939083 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2g2 e3d3 g2f2 h4e4 f1g1 e4g4 g1f1 g4a4
info depth 36 seldepth 40 score cp 453 time 166292 nodes 655307359 nps 3940693 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2g2 e3f4 g2e2 f4g5 f1g1 h4d4 g1g2 d4g4 g2f2
info depth 37 seldepth 41 score cp 446 time 167998 nodes 662705372 nps 3944716 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 e4e3 d2d1 e3e5
info depth 38 seldepth 43 score cp 438 time 171843 nodes 679382296 nps 3953495 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g3 h2h1q e4h1 c2c3 g3f4
info depth 39 seldepth 44 score cp 438 time 173382 nodes 686061380 nps 3956924 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g3 h2h1q e4h1 c2c3 g3f4
info depth 40 seldepth 44 score cp 443 time 174512 nodes 690966009 nps 3959413 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g2 d2c3 g2h1 c3b3 e4b4 b3a2
info depth 41 seldepth 45 score cp 443 time 175536 nodes 695445864 nps 3961834 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g2 d2c3 g2h1 c3b3 e4b4 b3a2 b4a4
info depth 42 seldepth 46 score cp 439 time 179536 nodes 713030664 nps 3971505 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g2 d2c3 g2h1 c3b3 e4b7 b3c3 b7b4 c3d3
info depth 43 seldepth 48 score cp 477 time 186478 nodes 742796877 nps 3983281 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g2 d2c3 g2h1 c3b3 e4b4 b3a2 b4a4 c2b2 a4a5
info depth 44 seldepth 48 score cp 471 time 191983 nodes 766799385 nps 3994096 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d2 f3g2 d2c3 g2h1 c3b3 e4b4 b3a2 b4a4 c2b2 a4a5 b2c2
info depth 45 seldepth 50 score cp 471 time 196208 nodes 785651422 nps 4004176 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 c3c4 c1b2 c4c5 b2a3 c5c6 a3b3 e4d5 b3b2 c6c7
info depth 46 seldepth 52 score cp 517 time 203091 nodes 814701905 nps 4011497 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2c3 g3h2 c3a3 b7d7 c1b2 d7d4 b2c1 h2g2 c1c2
info depth 47 seldepth 52 score cp 533 time 211218 nodes 849743068 nps 4023058 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2c3 g3h2 c3a3 b7d7 c1b2 d7d4 b2c1 h2g2 a3a2 g2f3
info depth 48 seldepth 54 score cp 532 time 227287 nodes 919050603 nps 4043567 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2e2 c3c4 e2d2 b7h1 c1c2 g3f4 c2d3 c4c5 d3c3 c5c6 d2e2
info depth 49 seldepth 55 score cp 581 time 241973 nodes 981198975 nps 4054986 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2e2 c3c4 e2d2 c4c5 c1c2 b7e4 c2b3 e4b4 b3c2 b4a4 c2b2 a4b4 b2c1
info depth 50 seldepth 54 score cp 581 time 260472 nodes 1065040142 nps 4088873 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2e2 c3c4 e2d2 c4c5 c1c2 b7e4 c2b3 e4b4 b3c2 b4a4 c2b2 a4b4 b2c1
info depth 51 seldepth 56 score cp 569 time 289450 nodes 1196127612 nps 4132408 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2e2 c3c4 e2d2 c4c5 c1c2 g3h3 d2e2 h3g4 e2d2 b7e4 c2b3
stop
info depth 52 seldepth 58 score cp 569 time 293186 nodes 1212892049 nps 4136928 hashfull 1000 pv e1f1 h4h3 a2a3 h5h4 c2c3 c6c5 b4c5 b5b4 c5c6 b4c3 b2c3 a6a5 c6c7 a5a4 c7c8q g1f1 f2e2 f1f2 e2e3 h1g2 c8g4 g2f1 g4h3 f1g1 h3g4 g1f1 g4h4 f2e2 e3f3 e2c2 h4c4 f1e1 c4e4 e1d1 f3g3 d1c1 e4b7 c2e2 c3c4 e2d2 c4c5 c1c2 b7e4 c2b2 c5c6 d2c2 c6c7 h2h1q
bestmove e1f1
Ceibo dev.
Finds bm in 3.5s and 17MM nodes.
Finds mate in 10 in 5s and 27MM nodes.
Code: Select all
ucinewgame
position fen 8/8/p1p5/1p5p/1P5p/8/PPP2K1p/4R1rk w - - 0 1
go
info depth 1 seldepth 4 score cp -435 time 0 nodes 48 fnodes 28 qnodes 20 nps 1033480 tbhits 0 hashfull 0 pv e1e8
info depth 2 seldepth 8 score cp -474 time 0 nodes 286 fnodes 182 qnodes 104 nps 664340 tbhits 0 hashfull 0 pv e1e5 g1g2 f2e3
info depth 3 seldepth 5 score cp -474 time 0 nodes 558 fnodes 443 qnodes 115 nps 885464 tbhits 0 hashfull 0 pv e1e5 g1g2 f2e3
info depth 4 seldepth 8 score cp -474 time 0 nodes 1060 fnodes 887 qnodes 173 nps 1087586 tbhits 0 hashfull 0 pv e1e5 g1g2 f2e3 g2c2
info depth 5 seldepth 9 score cp -442 time 1 nodes 2106 fnodes 1740 qnodes 366 nps 1571179 tbhits 0 hashfull 0 pv e1e6 g1g2
info depth 5 seldepth 8 score cp -418 time 1 nodes 3012 fnodes 2540 qnodes 472 nps 1878489 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5
info depth 6 seldepth 11 score cp -406 time 2 nodes 6282 fnodes 5208 qnodes 1074 nps 2539291 tbhits 0 hashfull 0 pv e1e5 g1b1 a2a3 b1c1 e5h5 c1c2 f2e3
info depth 7 seldepth 13 score cp -419 time 3 nodes 10233 fnodes 8473 qnodes 1760 nps 2952740 tbhits 0 hashfull 0 pv e1e5 g1c1 f2f3 h1g1 e5g5 g1f1 g5h5
info depth 8 seldepth 12 score cp -438 time 5 nodes 17764 fnodes 14781 qnodes 2983 nps 3422337 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1q
info depth 9 seldepth 12 score cp -438 time 6 nodes 21986 fnodes 18423 qnodes 3563 nps 3554405 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1q h3h1 g1h1
info depth 10 seldepth 13 score cp -438 time 7 nodes 27223 fnodes 22992 qnodes 4231 nps 3703620 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5h5 h1g1 h5h3 h2h1q h3h1 g1h1
info depth 11 seldepth 15 score cp -441 time 10 nodes 41154 fnodes 34983 qnodes 6171 nps 3955815 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 e5e6 h5h4 e6e4 g2g3 f3f2 g3g1 e4h4
info depth 12 seldepth 18 score cp -412 time 16 nodes 71113 fnodes 60776 qnodes 10337 nps 4228265 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4h4 h1g1 h4h3 h2h1r
info depth 13 seldepth 16 score cp -412 time 25 nodes 106249 fnodes 90609 qnodes 15640 nps 4134384 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4h4 h1g1 h4h3 h2h1r h3h1 g1h1
info depth 14 seldepth 18 score cp -412 time 29 nodes 126401 fnodes 108627 qnodes 17774 nps 4240320 tbhits 0 hashfull 0 pv e1e5 g1g2 f2f3 h4h3 c2c3 h5h4 e5e4 g2g5 e4h4 h1g1 h4h3 h2h1r h3h1 g1h1
info depth 15 seldepth 20 score cp -411 time 50 nodes 225780 fnodes 196456 qnodes 29324 nps 4493818 tbhits 0 hashfull 1 pv e1e5 g1g2 f2f3 h4h3 e5e3 h5h4 e3e4 g2g3 f3f2 g3g1 e4h4 g1g2 f2e3 h1g1 h4h7
info depth 16 seldepth 22 score cp -441 time 168 nodes 792549 fnodes 704563 qnodes 87986 nps 4707381 tbhits 0 hashfull 6 pv e1e5
info depth 16 seldepth 22 score cp -471 time 248 nodes 1174665 fnodes 1050871 qnodes 123794 nps 4723941 tbhits 0 hashfull 8 pv e1e5
info depth 16 seldepth 22 score cp -467 time 271 nodes 1288290 fnodes 1154823 qnodes 133467 nps 4744744 tbhits 0 hashfull 9 pv e1e5 g1g2 f2f1 g2c2 e5h5 c2b2 a2a3 b2b3 h5h4 b3a3 h4h6 a3c3 f1f2 c3c2 f2f3 h1g1
info depth 17 seldepth 24 score cp -465 time 428 nodes 2054982 fnodes 1849666 qnodes 205316 nps 4798888 tbhits 0 hashfull 14 pv e1e7 g1g2 f2f3 g2g5 b2b3 g5g1 f3f2 g1c1 e7e5 c1c2 f2f3 c2g2 e5c5 g2g3 f3f2 g3g4 c5c1 g4g1
info depth 18 seldepth 22 score cp -495 time 545 nodes 2613135 fnodes 2353486 qnodes 259649 nps 4789652 tbhits 0 hashfull 17 pv e1e7
info depth 18 seldepth 25 score cp -511 time 728 nodes 3504216 fnodes 3161217 qnodes 342999 nps 4807191 tbhits 0 hashfull 22 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f5h5 g4g1 f1f2 g1g2 f2f1 g2c2
info depth 19 seldepth 23 score cp -499 time 798 nodes 3846356 fnodes 3471913 qnodes 374443 nps 4819807 tbhits 0 hashfull 24 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f5h5 g4g1 f1f2 g1g2 f2f1 g2c2 h5h4 c2a2 h4h6 c6c5 h6h7
info depth 20 seldepth 23 score cp -502 time 901 nodes 4350715 fnodes 3932580 qnodes 418135 nps 4825324 tbhits 0 hashfull 26 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f5h5 g4g1 f1f2 g1g2 f2f1 g2c2 h5h4 c2a2 h4h6 a2c2 b3b4 c2c4
info depth 21 seldepth 26 score cp -514 time 1150 nodes 5593917 fnodes 5073650 qnodes 520267 nps 4863468 tbhits 0 hashfull 33 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f1f2 g4g2 f2f1 g2c2 f5h5 c2a2 h5h4 c6c5 h4e4 a2g2 e4e2
info depth 22 seldepth 25 score cp -530 time 1571 nodes 7696439 fnodes 7011987 qnodes 684452 nps 4898349 tbhits 0 hashfull 45 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 c2c3 g4g1 f1f2 g1g2 f2f1 g2g3 f5h5 h4h3 c3c4 b5c4 b3c4 g3f3 f1e2 h1g2
info depth 23 seldepth 29 score cp -526 time 1944 nodes 9535215 fnodes 8700142 qnodes 835073 nps 4903549 tbhits 0 hashfull 57 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f1f2 g4g2 f2f1 g2c2 f5h5 c2a2 h5h4 a6a5 h4h6 a5a4 b3a4 b5a4 h6c6 a4a3 c6c8
info depth 24 seldepth 29 score cp -541 time 2728 nodes 13433969 fnodes 12296171 qnodes 1137798 nps 4923790 tbhits 0 hashfull 78 pv e1e5 g1g2 f2f1 g2g4 e5f5 g4b4 b2b3 b4g4 f1f2 g4g2 f2f1 g2c2 f5h5 c2a2 h5h4 a6a5 h4h3 a2c2 h3d3 a5a4 b3a4 c2c1 f1e2 b5a4
info depth 25 seldepth 29 score cp -511 time 3517 nodes 17369533 fnodes 15904588 qnodes 1464945 nps 4937729 tbhits 0 hashfull 101 pv e1f1 g1f1
info depth 25 seldepth 23 score cp -481 time 3520 nodes 17378870 fnodes 15913066 qnodes 1465804 nps 4936873 tbhits 0 hashfull 101 pv e1f1 g1f1
info depth 25 seldepth 23 score cp -421 time 3521 nodes 17385358 fnodes 15919078 qnodes 1466280 nps 4936562 tbhits 0 hashfull 101 pv e1f1 g1f1
info depth 25 seldepth 23 score cp -301 time 3524 nodes 17394995 fnodes 15927625 qnodes 1467370 nps 4935739 tbhits 0 hashfull 101 pv e1f1 g1f1
info depth 25 seldepth 24 score cp -61 time 3533 nodes 17435726 fnodes 15966061 qnodes 1469665 nps 4935086 tbhits 0 hashfull 102 pv e1f1 g1f1
info depth 25 seldepth 28 score cp 0 time 3543 nodes 17495304 fnodes 16023511 qnodes 1471793 nps 4936966 tbhits 0 hashfull 102 pv e1f1 h4h3 b2b3 h5h4 c2c3 a6a5 b4a5 b5b4 c3b4 c6c5 b4c5 g1f1 f2f1
info depth 26 seldepth 25 score cp 0 time 3547 nodes 17516562 fnodes 16043932 qnodes 1472630 nps 4937595 tbhits 0 hashfull 102 pv e1f1 h4h3 b2b3 h5h4 c2c3 a6a5 b4a5 b5b4 c3b4 c6c5 b4c5 g1f1 f2f1
info depth 27 seldepth 27 score cp 0 time 3552 nodes 17543104 fnodes 16069949 qnodes 1473155 nps 4938890 tbhits 0 hashfull 102 pv e1f1 h4h3 b2b3 h5h4 c2c3 a6a5 b4a5 b5b4 c3b4 c6c5 b4c5 g1f1 f2f1
info depth 28 seldepth 27 score cp 0 time 3556 nodes 17570118 fnodes 16096400 qnodes 1473718 nps 4940057 tbhits 0 hashfull 102 pv e1f1 h4h3 b2b3 h5h4 c2c3 a6a5 b4a5 b5b4 c3b4 c6c5 b4c5 g1f1 f2f1
info depth 29 seldepth 29 score cp 0 time 3563 nodes 17609743 fnodes 16134911 qnodes 1474832 nps 4942050 tbhits 0 hashfull 102 pv e1f1 h4h3 b2b3 h5h4 c2c3 a6a5 b4a5 b5b4 c3b4 c6c5 b4c5 g1f1 f2f1
info depth 30 seldepth 30 score cp 30 time 3575 nodes 17669374 fnodes 16191481 qnodes 1477893 nps 4941975 tbhits 0 hashfull 103 pv e1f1 h4h3
info depth 30 seldepth 32 score cp 60 time 3581 nodes 17695822 fnodes 16216161 qnodes 1479661 nps 4941471 tbhits 0 hashfull 103 pv e1f1 g1f1
info depth 30 seldepth 30 score cp 120 time 3586 nodes 17721446 fnodes 16240131 qnodes 1481315 nps 4940869 tbhits 0 hashfull 103 pv e1f1 g1f1
info depth 30 seldepth 30 score cp 240 time 3592 nodes 17746871 fnodes 16263540 qnodes 1483331 nps 4940119 tbhits 0 hashfull 103 pv e1f1 g1f1
info depth 30 seldepth 32 score cp 480 time 3618 nodes 17870573 fnodes 16379473 qnodes 1491100 nps 4938535 tbhits 0 hashfull 104 pv e1f1 g1f1
info depth 30 seldepth 33 score cp 960 time 3686 nodes 18239199 fnodes 16738309 qnodes 1500890 nps 4947723 tbhits 0 hashfull 107 pv e1f1 g1f1
info depth 30 seldepth 32 score cp 1181 time 3710 nodes 18375163 fnodes 16871923 qnodes 1503240 nps 4952405 tbhits 0 hashfull 107 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n f1g1 g2g1 a8c6 h1g3 e2f3 g1h2 c6c4 h2g1 c4h4 g3f5 h4f2 g1h1 f2e1 h1h2 e1e5 f5g3
info depth 31 seldepth 34 score cp 1211 time 3722 nodes 18446612 fnodes 16943099 qnodes 1503513 nps 4955515 tbhits 0 hashfull 108 pv e1f1 a6a5
info depth 31 seldepth 33 score cp 1226 time 3763 nodes 18717136 fnodes 17211266 qnodes 1505870 nps 4972689 tbhits 0 hashfull 109 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n f1g1 g2g1 a8c6 g1h2 e2f3 h1g3 c6c4 g3f1 c4e2 h2g1 e2f2 g1h1 f2f1 h1h2 f1f2 h2h1 f2h4
info depth 32 seldepth 35 score cp 1205 time 3810 nodes 19052291 fnodes 17544265 qnodes 1508026 nps 4999637 tbhits 0 hashfull 109 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n f1g1 g2g1 a8c6 g1h2 e2f3 h1g3 c6c4 g3f1 c4e2 h2g1 e2f2 g1h1 f2f1 h1h2 f1f2 h2h1 f2e1 h1h2
info depth 33 seldepth 35 score cp 1235 time 3820 nodes 19111256 fnodes 17603050 qnodes 1508206 nps 5002834 tbhits 0 hashfull 110 pv e1f1 a6a5
info depth 33 seldepth 36 score cp 1265 time 3854 nodes 19333866 fnodes 17824501 qnodes 1509365 nps 5016499 tbhits 0 hashfull 110 pv e1f1 g1f1
info depth 33 seldepth 35 score cp 1325 time 3866 nodes 19406590 fnodes 17896890 qnodes 1509700 nps 5018630 tbhits 0 hashfull 111 pv e1f1 g1f1
info depth 33 seldepth 35 score cp 1356 time 3889 nodes 19553293 fnodes 18042504 qnodes 1510789 nps 5027371 tbhits 0 hashfull 111 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n f1g1 g2g1 a8c6 h1g3 e2f3 g3f1 c6c5 g1h1 f3f2 h1h2 f2f1 h2g3 c5g5 g3f3 g5h4 h3h2 h4h2 f3g4 h2h6
info depth 34 seldepth 36 score cp 1386 time 3900 nodes 19627155 fnodes 18115651 qnodes 1511504 nps 5031684 tbhits 0 hashfull 111 pv e1f1 a6a5
info depth 34 seldepth 36 score cp 1408 time 3982 nodes 20190063 fnodes 18675129 qnodes 1514934 nps 5070085 tbhits 0 hashfull 113 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n a8c6 g2h2 f1g1 h2g1 e2f3 g1h2 c6c1 h1g3 c1c4 g3f1
info depth 35 seldepth 39 score cp 1408 time 4074 nodes 20829513 fnodes 19312008 qnodes 1517505 nps 5112277 tbhits 0 hashfull 115 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n a8c6 g2h2 f1g1 h2g1 e2f3 g1h2 c6c1 h1g3 c1c4 g3f1
info depth 36 seldepth 37 score cp 1438 time 4090 nodes 20921629 fnodes 19403556 qnodes 1518073 nps 5114466 tbhits 0 hashfull 116 pv e1f1 a6a5
info depth 36 seldepth 39 score cp 1442 time 4261 nodes 22123512 fnodes 20601248 qnodes 1522264 nps 5191275 tbhits 0 hashfull 118 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n a8c6 g2h2 f1g1 h2g1 e2f3 g1h2 c6c1 h1g3 c1c4 g3f1 c4e2 h2h1 e2f1 h1h2 f1f2 h2h1 f2h4 h1g1 b3b4 g1h1 h4h3 h1g1
info depth 37 seldepth 39 score cp 1472 time 4292 nodes 22304569 fnodes 20781850 qnodes 1522719 nps 5196211 tbhits 0 hashfull 119 pv e1f1 a6a5
info depth 37 seldepth 41 score cp 1502 time 4383 nodes 22919468 fnodes 21394979 qnodes 1524489 nps 5228277 tbhits 0 hashfull 121 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 1562 time 4388 nodes 22938462 fnodes 21413914 qnodes 1524548 nps 5226750 tbhits 0 hashfull 121 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 1682 time 4396 nodes 22971172 fnodes 21446231 qnodes 1524941 nps 5225217 tbhits 0 hashfull 121 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 1922 time 4408 nodes 23040556 fnodes 21515303 qnodes 1525253 nps 5226023 tbhits 0 hashfull 121 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 2402 time 4427 nodes 23157740 fnodes 21632481 qnodes 1525259 nps 5229963 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 3362 time 4435 nodes 23197803 fnodes 21672544 qnodes 1525259 nps 5230456 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 5282 time 4440 nodes 23230331 fnodes 21705072 qnodes 1525259 nps 5231241 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 9122 time 4445 nodes 23254432 fnodes 21729173 qnodes 1525259 nps 5231423 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 16802 time 4449 nodes 23276783 fnodes 21751524 qnodes 1525259 nps 5231484 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 38 score cp 32162 time 4453 nodes 23295968 fnodes 21770709 qnodes 1525259 nps 5231254 tbhits 0 hashfull 122 pv e1f1 g1f1
info depth 37 seldepth 41 score mate 20 time 4764 nodes 25347404 fnodes 23821315 qnodes 1526089 nps 5319617 tbhits 0 hashfull 132 pv e1f1 a6a5 b4a5 b5b4 a5a6 b4b3 c2b3 h4h3 a6a7 h5h4 f2e2 h1g2 a7a8q h2h1n a8c6 g2h2 f1g1 h2g1 e2f3 g1h2 c6c1 h1g3 c1c4 g3f1 c4e2 h2g1 e2f2 g1h1 f2f1 h1h2
info depth 38 seldepth 39 score mate 10 time 5032 nodes 26832763 fnodes 25306671 qnodes 1526092 nps 5331901 tbhits 0 hashfull 135 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5
info depth 39 seldepth 20 score mate 10 time 5060 nodes 27047866 fnodes 25521774 qnodes 1526092 nps 5345210 tbhits 0 hashfull 135 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 40 seldepth 20 score mate 10 time 5077 nodes 27181988 fnodes 25655896 qnodes 1526092 nps 5353302 tbhits 0 hashfull 135 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 41 seldepth 20 score mate 10 time 5101 nodes 27360088 fnodes 25833996 qnodes 1526092 nps 5362895 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 42 seldepth 20 score mate 10 time 5122 nodes 27515434 fnodes 25989342 qnodes 1526092 nps 5372004 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 43 seldepth 20 score mate 10 time 5148 nodes 27709840 fnodes 26183748 qnodes 1526092 nps 5382193 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 44 seldepth 20 score mate 10 time 5169 nodes 27872747 fnodes 26346655 qnodes 1526092 nps 5391473 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 45 seldepth 20 score mate 10 time 5190 nodes 28019181 fnodes 26493089 qnodes 1526092 nps 5398553 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 46 seldepth 20 score mate 10 time 5204 nodes 28137861 fnodes 26611769 qnodes 1526092 nps 5406015 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 47 seldepth 20 score mate 10 time 5230 nodes 28325022 fnodes 26798930 qnodes 1526092 nps 5415619 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 48 seldepth 20 score mate 10 time 5251 nodes 28494108 fnodes 26968016 qnodes 1526092 nps 5425804 tbhits 0 hashfull 136 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 49 seldepth 20 score mate 10 time 5272 nodes 28653871 fnodes 27127779 qnodes 1526092 nps 5434889 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 50 seldepth 20 score mate 10 time 5294 nodes 28827510 fnodes 27301418 qnodes 1526092 nps 5445115 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 51 seldepth 20 score mate 10 time 5316 nodes 28998488 fnodes 27472396 qnodes 1526092 nps 5454632 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 52 seldepth 20 score mate 10 time 5341 nodes 29194770 fnodes 27668678 qnodes 1526092 nps 5465734 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 53 seldepth 20 score mate 10 time 5368 nodes 29401628 fnodes 27875536 qnodes 1526092 nps 5476526 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 54 seldepth 20 score mate 10 time 5393 nodes 29580584 fnodes 28054492 qnodes 1526092 nps 5484034 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 55 seldepth 20 score mate 10 time 5425 nodes 29798232 fnodes 28272140 qnodes 1526092 nps 5491787 tbhits 0 hashfull 137 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 56 seldepth 20 score mate 10 time 5453 nodes 30011739 fnodes 28485647 qnodes 1526092 nps 5502846 tbhits 0 hashfull 138 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 57 seldepth 20 score mate 10 time 5487 nodes 30256318 fnodes 28730226 qnodes 1526092 nps 5513681 tbhits 0 hashfull 138 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 58 seldepth 20 score mate 10 time 5513 nodes 30467456 fnodes 28941364 qnodes 1526092 nps 5526327 tbhits 0 hashfull 138 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 59 seldepth 20 score mate 10 time 5552 nodes 30744297 fnodes 29218205 qnodes 1526092 nps 5536559 tbhits 0 hashfull 138 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 60 seldepth 20 score mate 10 time 5590 nodes 31010700 fnodes 29484608 qnodes 1526092 nps 5547292 tbhits 0 hashfull 139 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 61 seldepth 20 score mate 10 time 5629 nodes 31291886 fnodes 29765794 qnodes 1526092 nps 5558379 tbhits 0 hashfull 139 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 62 seldepth 20 score mate 10 time 5656 nodes 31498388 fnodes 29972296 qnodes 1526092 nps 5568210 tbhits 0 hashfull 139 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 63 seldepth 20 score mate 10 time 5706 nodes 31849633 fnodes 30323541 qnodes 1526092 nps 5581440 tbhits 0 hashfull 139 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 64 seldepth 20 score mate 10 time 5746 nodes 32130135 fnodes 30604043 qnodes 1526092 nps 5591208 tbhits 0 hashfull 140 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 65 seldepth 20 score mate 10 time 5801 nodes 32533830 fnodes 31007738 qnodes 1526092 nps 5607502 tbhits 0 hashfull 140 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 66 seldepth 20 score mate 10 time 5839 nodes 32817985 fnodes 31291893 qnodes 1526092 nps 5619547 tbhits 0 hashfull 140 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 67 seldepth 20 score mate 10 time 5887 nodes 33163321 fnodes 31637229 qnodes 1526092 nps 5632580 tbhits 0 hashfull 141 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 68 seldepth 20 score mate 10 time 5941 nodes 33543738 fnodes 32017646 qnodes 1526092 nps 5646044 tbhits 0 hashfull 141 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 69 seldepth 20 score mate 10 time 6011 nodes 34028714 fnodes 32502622 qnodes 1526092 nps 5660769 tbhits 0 hashfull 142 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 70 seldepth 20 score mate 10 time 6053 nodes 34342897 fnodes 32816805 qnodes 1526092 nps 5673051 tbhits 0 hashfull 142 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 71 seldepth 20 score mate 10 time 6126 nodes 34830434 fnodes 33304342 qnodes 1526092 nps 5685041 tbhits 0 hashfull 143 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
info depth 72 seldepth 20 score mate 10 time 6168 nodes 35146946 fnodes 33620854 qnodes 1526092 nps 5698080 tbhits 0 hashfull 143 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
stop
info depth 73 seldepth 20 score mate 10 time 6229 nodes 35558910 fnodes 34032818 qnodes 1526092 nps 5708368 tbhits 0 hashfull 143 pv e1f1 h4h3 b2b3 h5h4 c2c3 g1f1 f2f1 c6c5 b4c5 b5b4 c5c6 b4c3 c6c7 c3c2 c7c8q c2c1q c8c1 a6a5 f1f2
bestmove e1f1
jdart
Posts: 4398Joined: Fri Mar 10, 2006 5:23 amLocation: http://www.arasanchess.org
Post by jdart Fri Jun 17, 2022 5:38 pm
It is very common for engines with a lot of pruning to not find the shortest mate. Arasan only finds mate in 10 but it finds it quite rapidly.
Code: Select all
Arasan 23.3 Copyright 1994-2022 by Jon Dart. All Rights Reserved.
test \chess\temp\qe6.epd -t 60 -v
found 6-man Syzygy tablebases in directory d:\syzygy;d:\syzygy-6man\dtz;d:\syzygy-6man\wdl
loaded network from file arasan-d10-20220226.nnue
bm Qe4
1 0.00 Ne1 +20.54 0
1 0.00 Ng1 +20.57 17
1 0.00 Nh2 +20.79 17
1 0.00 Kc2 +21.74 34
1 0.00 Qd3 +21.98 51
1 0.00 Rd8+ +23.44 51
1 0.00 Rd8+ +23.44 158
2 0.00 Qd3 +23.62 158
2 0.00 Rh1 +23.68 226
2 0.00 Qe6 +24.08 311
2 0.01 Qe6 +24.08 748
3 0.01 Qe6 +24.08 989
4 0.01 -- +23.89 989
4 0.01 -- +23.52 1065
4 0.01 Qb4+ +23.68 1138
4 0.01 Qb4+ +23.68 1556
5 0.01 -- +23.49 1556
5 0.01 Qb4+ +23.60 2011
6 0.01 -- +23.41 2011
6 0.01 -- +23.04 2264
6 0.01 Qb4+ +23.77 2916
7 0.01 -- +23.59 2916
7 0.01 -- +23.21 3139
7 0.01 Qb4+ +23.00 4224
8 0.02 Qb4+! +23.19 4241
8 0.02 Qb4+! +23.56 4462
8 0.02 Qb4+ +23.86 6209
9 0.02 Qb4+! +24.05 6209
9 0.02 -- +23.67 6651
9 0.02 -- +22.92 8533
9 0.03 Qb4+ +23.54 11963
10 0.03 Qb4+ +23.54 12662
11 0.03 Qe6! +23.73 12849
11 0.03 Qe6! +24.10 16062
11 0.03 Qe6! +24.85 17167
11 0.04 Rd8+! +26.35 25854
11 0.06 Rd8+ +28.29 52161
12 0.06 -- +28.10 52161
12 0.07 Rd8+ +28.05 64574
13 0.08 Rd8+ +28.05 66803
14 0.08 Rd8+! +28.23 73654
14 0.11 Rd8+ +28.40 108867
15 0.14 Rd8+! +28.59 138906
15 0.16 Rd8+ +28.63 168827
16 0.21 Rd8+! +28.82 225913
16 0.44 Rd8+ +29.19 530491
17 0.57 Rd8+ +29.18 704828
18 0.85 Rd8+! +29.37 1067812
18 1.73 Rd8+ +29.57 2302329
19 1.75 Qe6! +29.76 2327523
19 1.77 Qe6! +30.13 2351068
19 1.77 Qe6! +30.88 2352751
19 1.77 Qe6! +32.38 2355794
19 1.77 Qe6! +35.38 2355930
1.33M nodes/second.
0 tablebase probes, 0 tablebase hits
result: Qe6 score: +Mate10 ** not solved in 1.775 secs. (2.359M nodes)
Qe6 Bxh6
solution times:
0 1 2 3 4 5 6 7 8 9
0 | ***
correct : 0/1
test complete
