Hard-Talkchess-2019 set

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Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Sun Sep 08, 2019 8:47 pm

Vinvin wrote:
Thu Sep 05, 2019 10:58 am
8 positions I still consider unclear, I have to spend some hours to debug them : numbers 36, 78, 83, 113, 139, 146, 179, 214 in the initial list

I ask help to forumers with big machine: please run this 8 positions, 3 best moves, around 200 billions nodes search (around 3 hours at 20 millions nodes/sec) and post the log here.

Code: Select all

2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - am Nxb6+?; c1 "diff=10";
4r1k1/2pbnrq1/1p1b1p2/2pPp1pp/p1P1P2P/P2QNNB1/1P3PP1/3RR2K b - - bm Nc8 g4; id "Stockfish8 - AlphaZero";
5bk1/1b1rq2p/2p1p1p1/1pP1P3/1Pp1B2Q/2B3P1/5PK1/7R w - - bm Qg4; id "AlphaZero - Stockfish8";
8/1p2b3/6k1/5p2/p2NbP1p/P1B1P1p1/1P5P/6K1 w - - bm h3; c0 "fortress From Smirin-HIARCS"; c1 "diff=10";
b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - - bm d3+; c1 "diff=6";
q1r5/k3ppp1/2R5/PP1KP2r/2p4Q/2p1p3/5pP1/3R4 w - - id ?; bm Qd4+;
r2br1k1/1b3q1p/pp1p1ppB/3Nn3/n1PNP2R/4Q3/1P2B1PP/5R1K w - - bm Nf5;
rn2r1q1/p5k1/2p2bp1/1p4p1/2P5/4B1PQ/5PK1/3R3R w - - bm Bd4;
Status :
Bad test positions :
4r1k1/2pbnrq1/1p1b1p2/2pPp1pp/p1P1P2P/P2QNNB1/1P3PP1/3RR2K b - - bm Nc8 g4; id "Stockfish8 - AlphaZero";
5bk1/1b1rq2p/2p1p1p1/1pP1P3/1Pp1B2Q/2B3P1/5PK1/7R w - - bm Qg4; id "AlphaZero - Stockfish8";
b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - - bm d3+; c1 "diff=6";
r2br1k1/1b3q1p/pp1p1ppB/3Nn3/n1PNP2R/4Q3/1P2B1PP/5R1K w - - bm Nf5;
rn2r1q1/p5k1/2p2bp1/1p4p1/2P5/4B1PQ/5PK1/3R3R w - - bm Bd4;


Good test position :
q1r5/k3ppp1/2R5/PP1KP2r/2p4Q/2p1p3/5pP1/3R4 w - - bm Qd4+;

The questions still pending for these positions are :

How to win this position with white ?
2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - am Nxb6+?; c1 "diff=10";

Is h3 really drawing ? May be are there other moves to draw for white ?
8/1p2b3/6k1/5p2/p2NbP1p/P1B1P1p1/1P5P/6K1 w - - bm h3; c0 "fortress From Smirin-HIARCS"; c1 "diff=10";

+ 2 more that gives some chaotic behavior :

Sometimes Rf3 is ahead of Bxh7 :
r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - - bm Bxh7;

Is Rb1 winning ? Or other moves ?
r1b4r/p4pk1/P3p1p1/1pBpPnPp/2pP1K2/2P3P1/4BP2/R6R w - - bm g4;

Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Mon Sep 09, 2019 3:13 pm

Vinvin wrote:
Sun Sep 08, 2019 8:47 pm
...

The questions still pending for these positions are :

Is Rb1 winning ? Or other moves ?
r1b4r/p4pk1/P3p1p1/1pBpPnPp/2pP1K2/2P3P1/4BP2/R6R w - - bm g4;
1.g4 and 1.Rhb1 seems both clearly winning :

Code: Select all

FEN: r1b4r/p4pk1/P3p1p1/1pBpPnPp/2pP1K2/2P3P1/4BP2/R6R w - - 0 1

Stockfish_19082608_x64_bmi2:
...
 48/78	17:12	 7.191.123k	6.963k	+3,50	1.Rhb1 Bd7 2.g4 hxg4 3.Bxg4 Kg8 4.Bxf5 exf5 5.e6 fxe6 6.Ke5 Rh5 7.Kd6 Be8 8.Rh1 Rc8 9.Ke7 Bc6 10.f4 Kg7 11.Kxe6 Rch8 12.Rxh5 gxh5 13.Bxa7 Re8+ 14.Kd6 Ba8 15.Rh1 Rh8 16.Bc5 h4 17.Rh3 Kg6 18.Kd7 Kh5 19.Rh1 Kg6 20.Ke6 h3 21.Rh2 Bc6 22.Kd6 Ba8 23.Kd7 Rh7+ 24.Be7 Rh4 25.Bf6 Rh7+ 26.Kd6 Kf7 27.Be5 Kg6 28.Kc5 Rh4 29.Kxb5 Kh5 30.Bf6 Kg6 31.Kb6 Rh5 32.Kc7 Rh7+ 33.Kb8 Bc6
 49/66	17:12	 7.191.123k	6.963k	+4,26	1.g4 hxg4 2.Bxg4 Rxh1 3.Rxh1 Bd7 4.Bxf5 gxf5 5.Be7 Rg8 6.f3 Be8 7.Bc5 Rh8 8.Ra1 Kg6 9.Bxa7 Rh4+ 10.Kg3 Kxg5 11.Bc5 Rh8 12.Be7+ Kg6 13.a7 Bc6 14.Ra6 Ba8 15.Rb6 Rh1 16.Rb8 Bc6 17.a8Q Bxa8 18.Rxa8 Rc1 19.Bb4 Rc2 20.Rc8 Kg7 21.Kf4 Ra2 22.Rc6 Kg6 23.Rb6 Rh2 24.Rxb5 Rh4+ 25.Kg3 Rh8 26.Rb6 Re8 27.Kf4 Ra8 28.Be7 Ra7

MikeB
Posts: 3393
Joined: Thu Mar 09, 2006 5:34 am
Location: Pen Argyl, Pennsylvania

Re: Hard-Talkchess-2019 set

Post by MikeB » Mon Sep 09, 2019 3:58 pm

Vinvin wrote:
Sun Sep 08, 2019 8:47 pm
...

Sometimes Rf3 is ahead of Bxh7 :
r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - - bm Bxh7;

....
I'm not seeing that on my machine...
multipv = 2

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 43	+2.33 	20.2G	14:22.94	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Ra5 Qe3 Ra8 Rf2 Rd8 Rxd8 Qxd8 Rd2 Qe7 Qb6 Rf8 h4 c5 Rd6 Qf6 Qxb7 Qf5 Kh2 Bg6 Qd7 Qe4 Rd2 Kh7 Qd6 Rc8 Rg2 Qb1 Nxg6 Qxg6 Re2 Qf5 Qd7 Ra8 Qc6 Rf8 Qxa4 Rd8 Qc2 Q 
 42	+2.37 	16.5G	11:42.84	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 Rf5 g4 Rf8 Qd6 Qxd6 Rxd6 a5 Kg2 c5 Kg3 b5 Rxe6 c4 h4 Rd8 f5 Rd1 Rf2 Bf7 Nxf7 Rxf7 Re5 Rg1+ Kf4 Rd7 c3 b4 Rxa5 bxc3 bxc3 Rc1 g5 Rxc3 g6 Kf8 Ra8+ Ke7 
 42	+1.14 	18.5G	13:08.94	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 Bd7 h3 Be8 Re1 Bf7 g3 c5 Re2 h6 Nxf7 Qxf7 Rd6 c4 Rxe6 Rad8 Kf2 Qa7+ Kf3 Qb7+ Qe4 Qxe4+ R6xe4 Rf6 a4 c3 axb5 cxb2 Rb4 axb5 Rxb5 Rc6 Rxb2 Rc3+ Kg4 Rdc8 Re7 Rxc2 
 41	+2.29 	14.6G	10:22.42	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Rd1 Be8 Ne5 a5 g3 a4 c4 Rb8 Qa7 c5 Rfd3 Rc8 h4 Rf5 R1d2 Rf8 Rd6 Rf6 Kh2 Qe7 Kg2 Qc7 Kg1 Rf8 Kh2 Rf6 Qb6 Qxb6 Rxb6 Rb8 Kh3 Kh7 Rdd6 Rf8 Rxe6 Bc6 Nxc6 bxc6 Rexc6 Rxb6 Rxb6 Re8 Rb5 Re2 
 41	+1.03 	15.1G	10:44.09	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Ne4 b5 exf6 gxf6 Qh5 Ra7 Rad1 Rd7 Rxd7 Bxd7 Qc5 Qxc5+ Nxc5 Bc8 Rd6 e5 c3 exf4 Kf2 a5 Rxc6 Bg4 h3 Rc8 Rxc8+ Bxc8 Kf3 Kf7 Kxf4 Ke7 g4 a4 a3 Kf7 Ke4 h5 gxh5 Bxh3 Kf3 Kg7 Ne4 Bf5 Nd6 Be6 Ne8+ Kh6 Nxf6 Kg5 
 40	+2.26 	12.1G	8:37.52	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 b5 Rc3 Kf8 Rd4 Ke7 h4 Rc8 Rc5 Rd8 Rxd8 Kxd8 Nxc6+ Bxc6 Rxc6 Ke7 Rc7+ Kf8 Kg2 Rf5 Kf3 Rd5 Ke4 Rd2 Ke5 Re2+ Kd6 g6 a3 a4 Rc3 Kf7 Kc5 e5 Kxb5 exf4 gxf 
 40	+1.02 	13.2G	9:22.69	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Ne4 b5 exf6 gxf6 Qh5 Ra7 Rad1 a5 Rd6 c5 Qxc5 Rc7 Qxb5 Rxc2 Qb3 Re2 Qd3 Qa7+ Kh1 Qe3 Qxe3 Rxe3 Ng3 f5 Kg1 e5 Nh5 exf4 Nxf4 Re4 g3 Rc4 Rb6 Rf7 Rd8+ Rf8 Rdd6 Rc2 Rb5 Rf7 Rxa5 Rd7 Rxd7 Bxd7 Ra7 Be8 
 39	+2.04 	9.79G	6:55.88	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Rb8 Qa7 c5 Rfd3 Rc8 h4 Rf5 Rd6 Kh7 Kh2 Rxe5 fxe5 Qf7 R6d2 Qf3 Qa5 Bc6 Re1 Rf8 Qxc5 Rf4 Qe3 Rxc4 Qxf3 Bxf3 a3 Kg6 Rf2 Bd5 Kh3 b5 Re3 Rc1 Kg4 Rh1 Rc3 Bc4 Rf8 Rh 
 39	+1.11 	11.2G	7:57.09	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Ne4 b5 exf6 gxf6 Qh5 Ra7 Rad1 c5 Qxc5 Qxc5+ Nxc5 a5 c3 b4 cxb4 axb4 a3 bxa3 Rxa3 Rxa3 bxa3 e5 fxe5 fxe5 Rd5 Bf5 Rxe5 Bg6 h4 Ra8 Re3 Rc8 Rc3 Bf7 Kh2 Bd5 g4 Kf7 a4 Ra8 Kg3 Ra5 
 38	+2.11 	7.24G	5:07.77	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Rb8 Qa7 c5 Rfd3 Rc8 h4 Rf5 Rd6 Kh7 Kh2 Rxe5 fxe5 Qf7 R6d2 Qf3 Qa5 Bc6 Re1 Rf8 Qxc5 Rf4 Qe3 Rxc4 Qxf3 Bxf3 Kh3 b5 a3 Bg4+ Kg2 Bf5 Re3 b4 Kh2 Be4 axb4 Rxb4 g4 B 
 38	+1.17 	9.68G	6:51.43	Rf3 Nxd3 Rxd3 b5 Nd6 Qa7+ Kh1 f6 Qh5 fxe5 Qxe5 a5 Re1 Qe7 g3 Qf6 Kg2 a4 Qxf6 gxf6 Nxc8 Raxc8 Rxe6 Rfe8 Rxe8+ Rxe8 Kf2 Re4 b3 Kf7 Rd7+ Re7 Rxe7+ Kxe7 bxa4 bxa4 Ke3 Ke6 Kd4 
 37	+1.94 	5.51G	3:54.04	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Rb8 Qa7 c5 Rfd3 Rc8 h4 Rf5 Rd6 Kh7 Kh2 Rxe5 fxe5 Qf7 R6d2 Qf3 Qa5 Bh5 Re1 Qg4 Qb5 Rf8 Qxc5 Rf3 Qg1 Qxc4 Qd4 Qxd4 Rxd4 a3 bxa3 Rxa3 Rd7 b5 
 37	+1.02 	7.14G	5:03.18	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Ne4 c5 exf6 gxf6 Qh5 c4 Rd6 Ra7 Rad1 b5 Qc5 Rc7 Qb6 Kg7 h4 Rb7 Qe3 Rd7 Rxd7 Bxd7 Qa7 Rf7 Qxa6 c3 bxc3 e5 Nd6 Bg4 Re1 Qe6 fxe5 fxe5 c4 bxc4 Rb1 Bh5 Rb7 Rd7 Qb6 Bg6 
 36	+2.09 	4.46G	3:08.58	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Rb8 Qa7 c5 Rfd3 Rc8 h4 Rf5 Rd6 Kh7 Kh2 Rxe5 fxe5 Qf7 R6d2 Qf3 Qa5 Bc6 Re1 Rf8 Qxc5 Rf4 Qe3 Rxc4 Qxf3 Bxf3 Re3 Bd5 Kh3 Rc1 a3 Rf1 Kg4 Kh6 Rc3 Re1 Rf2 Rxe5 Rc7  
 36	+1.09 	5.32G	3:45.51	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Ne4 b5 exf6 gxf6 Qh5 Ra7 Rad1 c5 Qxc5 Qxc5+ Nxc5 a5 c3 Rc7 Rg3+ Kh8 b4 e5 fxe5 fxe5 a3 axb4 cxb4 Re7 Re3 Bf5 Rd6 Ra7 h4 e4 Rd5 Bg6 Re5 Raf7 Nxe4 
 35	+2.07 	2.87G	2:00.79	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 b5 Ne5 Qa7 b4 Bd7 Qxa7 Rxa7 Rd1 Be8 Rd8 Rf8 Rh3 a5 Ra3 a4 Rc3 Rc7 Rc5 Bf7 Rd6 Rfc8 h4 Be8 Kf2 Kf8 g4 Ke7 Rd3 Rd8 Rxd8 Kxd8 h5 Ke7 Kf3 Kf8 Ke3 Ke7 c4 Rb7 Kd4 Kd6 
 35	+1.22 	4.37G	3:04.57	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 Bd7 Rad1 Qb6+ Kh1 Qc7 Rg3 Be8 Qxe6+ Kh8 Rgd3 Bg6 f5 Bf7 Nxf7+ Qxf7 Qxf7 Rxf7 Rd8+ Rf8 Rxa8 Rxa8 Rd6 Re8 Re6 Rd8 g4 Kg8 Rxc6 Rd2 h4 
 34	+2.17 	2.21G	1:33.47	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 b5 Rc3 Kf8 h4 Ke7 Rd4 Rf8 Kf2 Rh8 Kf3 a4 Rc5 Ra6 a3 Ra8 Nxc6+ Bxc6+ Rxc6 Rhc8 Rb6 Rab8 Rxb8 Rxb8 h5 Kf6 Rd7 b4 axb4 
 34	+1.05 	2.60G	1:49.84	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 Qa7+ Kh1 Qe7 Re1 h6 Kg1 a5 h3 Qf6 Qxf6 Rxf6 g3 b4 Re5 Rf8 Kf2 a4 Nxc8 Rfxc8 Rxe6 Rc7 Red6 Kh7 Rd7 Rxd7 Rxd7 a3 b3 Re8 Kf3 c5 
 33	+2.17 	1.59G	1:06.86	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 b5 Rc3 Rc8 Rc5 Kf8 h4 Ke7 Rd4 Rf8 Kf2 Rd8 Rxd8 Kxd8 Nxc6+ Bxc6 Rxc6 Kd7 Ra6 Rc8 Ra7+ Kd6 c3 b4 Rxg7 bxc3 bxc3 Rxc3 h5 Rc2+ Ke3 
 33	+1.16 	1.95G	1:22.45	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 Bd7 Rad1 a5 h3 Be8 Qxe6+ Bf7 Nxf7 Qxf7 Qxf7+ Rxf7 Rd8+ Rxd8 Rxd8+ Rf8 Rxf8+ Kxf8 g4 Ke7 Kf2 Ke6 Kf3 Kd5 h4 g6 g5 Ke6 Ke4 b4 f5+ gxf5+ Kf4 
 32	+2.18 	1.41G	0:59.54	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 Rd8 Rxd8 Qxd8 Rd3 Qc7 c4 b6 Qd6 Qxd6 Rxd6 Kf8 Rd8 Ke7 Rc8 g5 fxg5 Rf5 Nxc6+ Kd7 Rd8+ Kxc6 Rxe8 Rxg5 Rxe6+ Kc5 Re4 b5 cxb5 Kxb5 Re2 Rc5 
 32	+1.05 	1.51G	1:03.70	Rf3 Nxd3 Rxd3 b5 Nd6 Qa7+ Kh1 f6 Qh5 fxe5 Qxe5 a5 Rad1 Qe7 Re1 Qf6 Qxf6 gxf6 Kg1 Rd8 h4 b4 h5 Kf8 Nxc8 Raxc8 Rxe6 Rxd3 cxd3 Kf7 f5 Rd8 Rxc6 
 31	+2.10 	1.00G	0:42.48	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 b5 Rc3 a4 h4 Kf8 Rcd3 Ke7 Nxc6+ Bxc6 Rxc6 Ra7 Rdd6 Rd7 Rxd7+ Kxd7 Rb6 Rf5 Rb7+ Kc6 Re7 Rc5 Rxe6+ Kd7 Rg6 Rxc2 Rxg7+ Kd6 h5 
 31	+1.11 	1.25G	0:52.98	Rf3 Nxd3 Rxd3 b5 Nd6 f5 Qf3 a5 Rad1 Ba6 Kh1 c5 Nxf5 Qf7 Qxa8 Rxa8 Rd8+ Qf8 Rxf8+ Rxf8 Ne7+ Kf7 Nc6 Kg6 f5+ exf5 Rd6+ Kg5 Nxa5 Bc8 Nb3 f4 e6 c4 Nd4 Kf6 Rb6 Re8 Kg1 b4 Rxb4 Bxe6 Nxe6 Rxe6 Kf2 
 30	+2.09 	855.9M	0:36.40	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 a4 c4 b5 c5 b4 Rfd3 Ra5 Rd8 Rf8 Rc8 Rxc5 Rdd8 Rc1+ Kf2 Rc2+ Ke3 Rxb2 Rxe8 Rxe8 Rxe8+ Kh7 Nxc6 a3 Ra8 Rxh2 Nxb4 Rb2 Nd3 
 30	+1.04 	920.8M	0:39.10	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 Qa7+ Kh1 fxe5 Qxe5 Qe7 Re1 Qf6 Qxf6 Rxf6 g3 c5 Kg1 c4 Rd4 Rb8 Re5 Bb7 Nxb7 Rxb7 Rd6 a5 Kf2 a4 Rc6 Rf8 Rcxe6 Kf7 Rd6 Rc8 c3 Re8 Rxe8 Kxe8 
 29	+1.99 	667.8M	0:28.44	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qd6 Qxd6 Rxd6 b5 Rc3 Kf8 Nxc6 Rc8 Ne5 Rxc3 bxc3 Ke7 Ra6 g5 fxg5 Rf5 Ra7+ Kd6 Nd3 Rxg5 Rxa5 Rf5 Ra6+ Ke7 Kg2 Bh5 Ra7+ Kf6 Rh7 
 29	+1.01 	825.8M	0:35.15	Rf3 Nxd3 Rxd3 b5 Nd6 f5 Qf3 a5 Rad1 Ba6 Kh1 Rad8 h4 c5 h5 c4 Rd4 Qe7 Qg3 b4 h6 Rb8 hxg7 Qxg7 Qxg7+ Kxg7 Nxc4 Bxc4 Rxc4 Rbc8 Rd7+ Kh6 Rcc7 Rxc7 Rxc7 Kg6 
 28	+1.96 	462.4M	0:19.76	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 b6 Qf2 a4 Rfd3 b5 Qc5 Qa7 Qxa7 Rxa7 Rd8 Rf8 R1d6 a3 b3 Bf7 Nxc6 Rc7 Nd4 Rc5 Rxf8+ Kxf8 Rb6 Rd5 c3 e5 
 28	+1.14 	598.5M	0:25.48	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 a5 Rad1 a4 g3 Bd7 Nc4 Qxe5 Nxe5 Be8 Rd6 a3 b3 Rf6 Rd8 Rxd8 Rxd8 Rf8 Rd6 Bg6 Nxg6 hxg6 Kg2 Re8 Rxc6 e5 fxe5 Rxe5 Rxg6 
 27	+1.98 	358.1M	0:15.32	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 a5 g3 a4 c4 Ra5 Qe3 Ra8 Rf2 a3 b3 Rd8 Rxd8 Qxd8 Rd2 Qa5 c5 Rh6 h4 Qa8 Rd6 
 27	+1.05 	448.5M	0:19.19	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Qh5 fxe5 Qxe5 Bd7 Rad1 a5 Nc4 Qa7+ Ne3 Rf7 Rd6 Raf8 h3 Be8 Kh2 Re7 g4 b4 h4 Qb7 Kg3 c5 h5 Qb5 Rd8 
 26	+1.97 	264.3M	0:11.34	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 Rb8 g3 b6 Qd6 Qxd6 Rxd6 a5 Kg2 c5 g4 b5 h4 a4 Kg3 b4 h5 Rf8 Rf2 a3 b3 Bb5 Rxe6 Rbd8 g5 
 26	+0.96 	350.5M	0:15.00	Rf3 Nxd3 Qxd3 Bd7 Rd1 b5 Qxd7 Qxd7 Rxd7 bxc4 Rc3 Rfb8 Rxc4 Rxb2 Rxc6 Rf8 a3 Ra2 Rc3 h5 Kf2 Rb8 Ke3 Ra1 Rdc7 a5 Rc8+ Rxc8 Rxc8+ Kh7 
 25	+1.96 	210.4M	0:09.00	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Rxf6 Qxc5 Bd7 Ne5 Be8 Rd1 b6 Qd6 Qxd6 Rxd6 Kf8 Nxc6 Bxc6 Rxc6 b5 g4 Rd8 Kg2 Rd2+ Kg3 g5 fxg5 Rxf3+ Kxf3 Rxh2 Rc7 Kg8 Kg3 Rh7 Rxh7 Kxh7 
 25	+0.98 	243.5M	0:10.46	Rf3 Nxd3 Qxd3 Bd7 Rd1 b5 Rh3 h6 Nd6 f5 Qg3 Kh7 Rd3 Be8 Kf1 a5 Qh4 Ra7 Rdg3 Qe7 Rg5 Rd7 Qg3 a4 c3 a3 bxa3 c5 Qf3 Rxd6 exd6 Qxd6 
 24	+1.59 	136.8M	0:05.88	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 exf6 Ne4 fxg7 Qxg7 Rd1 e5 f5 b5 Nd6 Rd8 Rdd3 Nxd6 Rg3 Bxf5 Rxg7+ Kxg7 Rf3 Rh8 Qg5+ Kf7 Rxf5+ Nxf5 Qxf5+ Ke7 Qxe5+ Kd7 g4 
 24	+0.98 	206.6M	0:08.84	Rf3 Nxd3 Qxd3 Bd7 Rd1 b5 Rh3 h6 Nd6 f5 Qg3 Kh7 Rd3 Be8 Qf2 Bg6 Rdg3 Rad8 Qd2 Qa7+ Kh1 Bf7 Rd3 Bg6 Rc3 a5 Rxc6 b4 Qd1 Bf7 Rc4 Qe7 Rg3 Bg6 
 23	+1.00 	123.8M	0:05.35	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 Ne4 Re1 b5 Rxe4 bxc4 Rh3 f5 exf6 Rxf6 Qh8+ Kf7 Rg3 Qa7+ Kf1 g6 Rh3 Ke7 Rh7+ Rf7 f5 Rxh7 Qxh7+ Kd6 Qxg6 Qc5 fxe6 Kc7 e7 Bd7 e8=Q Bxe8 Rxe8 Rxe8 Qxe8 Qf5+ Kg1 Qxc2 Qf7+ Kb8 Qf4+ Kb7 Qf6 Qc1+ Kf2 
 23	+0.96 	103.2M	0:04.46	Rf3 Nxd3 Qxd3 Rd8 Qc3 b5 Nd6 f5 a4 Bd7 Qc5 Qa7 Rc3 h6 h4 Qc7 Rca3 b4 Qxb4 Rdb8 Qc4 Kh7 Kh2 Rxb2 Rg3 Qd8 Kh3 Rab8 Qd3 
 22	+2.52 	94.5M  	0:04.09	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 g4 fxg4 Qh7+ Kf7 Rh6 Rg8 Nd6+ Nxd6 Rf6+ Ke7 exd6+ Qxd6 Rxd6 Kxd6 Rf7 Kc7 Qe4 Raf8 Qxe6 Rxf7 Qxf7 Rh8 f5 Rh6 Qxg7 
 22	+0.88 	94.5M  	0:04.09	Rf3 Nxd3 Qxd3 Rd8 Qc3 b5 Nd6 f5 a4 Bd7 Qc5 Qa7 Rc3 Qxc5+ Rxc5 h6 h4 Kh7 b3 Rdb8 Kh2 Rd8 h5 bxa4 Rxa4 
 21	+1.98 	59.1M  	0:02.56	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 g4 fxg4 Qh7+ Kf7 Rh6 Rg8 Nd6+ Nxd6 Rf6+ Ke7 exd6+ Qxd6 Rxd6 Kxd6 Rf7 
 21	+1.17 	59.1M  	0:02.56	Rf3 Nxd3 Rxd3 b5 Nd6 f5 Qh5 c5 Rh3 g6 Qh4 Bb7 Re1 Bd5 Ree3 Qg7 a3 Bc6 Reg3 c4 Kh1 Be4 
 20	+1.56 	30.1M  	0:01.29	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 g4 fxg4 Qh7+ Kf7 Rhd3 Rad8 Qxe4 b5 Ne3 Bc8 Rd6 Rxd6 exd6 Qa7 Kf1 c5 Nxg4 Kg8 Ne5 Bb7 Qe3 Bd5 
 20	+0.94 	30.1M  	0:01.29	Rf3 f5 exf6 Rxf6 Ne5 Nd7 Be4 g6 Qd4 c5 Qe3 Nxe5 fxe5 Rxf3 Bxf3 Bd7 Rd1 Rf8 Rd6 Bc8 h3 Qa5 a3 Qa4 Qxc5 Qh4 b3 Qg5 a4 Rxf3 
 19	+1.47 	24.0M  	0:01.03	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 g4 fxg4 Qh7+ Kf7 Rhd3 Rad8 Qxe4 b5 Ne3 Bc8 Rd6 Rxd6 exd6 Qa7 Kg2 c5 Kg3 Qb7 Qxb7+ Bxb7 Nxg4 
 19	+0.88 	24.0M  	0:01.03	Rf3 f5 exf6 Rxf6 Ne5 Nd7 Be4 g6 Qd4 c5 Qe3 Nxe5 fxe5 Rxf3 gxf3 Bd7 Rd1 Rd8 Qg5 Rf8 Rd6 Bc6 Bxc6 bxc6 Rxe6 Qf7 Rf6 Qd5 h3 Qd1+ Kh2 Qxc2+ Kg3 
 18	+1.60 	19.0M  	0:00.82	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 g4 fxg4 Qh7+ Kf7 Rhd3 Rad8 Qxe4 Kg8 Qg6 Bc8 Rxd8 Rxd8 Rxd8+ Qxd8 Nd6 Qf8 Qxg4 Bd7 Kg2 
 18	+0.91 	19.0M  	0:00.82	Rf3 f5 exf6 Rxf6 Ne5 Nd7 Be4 g6 Qd4 c5 Qd2 Nxe5 fxe5 Rxf3 Bxf3 Bd7 Qd6 Qxd6 exd6 Rb8 a4 b5 a5 Rf8 Kf2 
 17	+2.57 	15.8M  	0:00.68	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Re1 b5 Ne3 Bd7 g4 Be8 Qh7+ Kf7 gxf5 Qb6 
 17	+0.91 	15.8M  	0:00.68	Rf3 f5 exf6 Rxf6 Ne5 Nd7 Be4 g6 Qd4 c5 Qd2 Nxe5 fxe5 Rxf3 gxf3 Bd7 Rd1 Rd8 Qd6 Qxd6 Rxd6 b5 Kg2 Kf7 
 16	+1.69 	11.6M  	0:00.50	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 Re1 b5 Rxe4 bxc4 Rxc4 Be8 Qh7+ Kf7 Rg3 Rg8 
 16	+0.96 	11.6M  	0:00.50	Nd6 Nxd3 Qxd3 Bd7 c4 f5 c5 Be8 Qc4 Bf7 Rf3 Rab8 Rh3 b6 Rc1 a5 cxb6 Qxb6+ Kh1 Qxb2 Rg3 Bg6 Qxe6+ Bf7 
 15	+1.56 	7.74M  	0:00.33	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 f5 Rh3 Ne4 Rd1 Bd7 Rd4 Be8 Qh7+ Kf7 Rxe4 fxe4 Nd6+ Ke7 Qxg7+ Bf7 Kf1 Rad8 
 15	+0.95 	7.74M  	0:00.33	Nd6 Nxd3 Qxd3 Bd7 c4 f5 c5 Be8 Qb3 Qe7 Rf3 Bh5 Rc3 Bg6 Nxb7 
 14	+2.09 	4.56M  	0:00.20	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 Rd8 Rh3 Kf8 Qh8+ Ke7 Qxg7 Ne4 Rh7 Rf8 Qg6 b5 
 14	+1.21 	4.56M  	0:00.20	Rf3 f5 exf6 Rxf6 Ne5 h6 Qe2 Bd7 Raf1 Nxd3 Rxd3 Be8 Qe3 c5 Rfd1 Bb5 
 13	+2.09 	2.74M  	0:00.12	Bxh7+ Kxh7 Qh5+ Kg8 Rf3 Rd8 Rh3 Kf8 Qh8+ Ke7 Qxg7 Ne4 Rh7 Rf8 Qg6 b5 Ne3 
 13	+1.26 	2.74M  	0:00.12	Rf3 Nxd3 Rxd3 b5 Nd6 f6 Rh3 g6 exf6 Qa7+ Kh1 Rxf6 Qg4 
 12	+1.02 	1.61M  	0:00.07	Rf3 Nxd3 Rxd3 Qe7 Nd6 f6 Kh1 c5 Qh5 fxe5 Qxe5 
 12	+0.95 	1.61M  	0:00.07	Be2 b5 Nd6 Nb7 Qd4 c5 Qe4 Rb8 Rad1 c4 Qf3 Bd7 
 11	+0.94 	1.21M  	0:00.06	Rf3 Nxd3 Qxd3 Rd8 Nd6 Qb6+ Kh1 Qxb2 Raf1 c5 Qd1 Qxa2 Rh3 b5 Qh5 Qxc2 
 11	+0.81 	1.21M  	0:00.06	Be2 b5 Nd6 Bd7 Qd2 Nb7 Rad1 Nxd6 Qxd6 Qb6+ Kh1 Rad8 Rf3 f5 
 10	+0.94 	736433	0:00.03	Rf3 g6 Rh3 Bd7 Qe1 h5 Rd1 Rad8 Nd6 Nxd3 
 10	+0.81 	736433	0:00.03	Kh1 Bd7 Rf3 f5 Nd6 Nxd3 cxd3 c5 Rg3 Bc6 
  9	+1.16 	321932	0:00.02	Rf3 Nxd3 Qxd3 Rd8 Nd6 Qb6+ Kh1 
  9	+0.80 	321932	0:00.02	c3 Rd8 Nd6 Nxd3 Qxd3 Qb6+ Kh1 Qxb2 Qe3 Qc2 Rf3 Rd7 Rg3 
  8	+0.79 	143091	0:00.01	Be2 b5 Qd4 Na4 Nd6 Bd7 c4 Qb6 
  8	+0.64 	143091	0:00.01	Rf3 Nxd3 Rxd3 f6 Rf3 Rd8 Nd6 
  7	+0.94 	80516  	0:00.00	b4 b5 bxc5 bxc4 Bxc4 Rd8 Bd3 
  7	+0.76 	80516  	0:00.00	Be2 b5 Nd6 Bd7 a3 Qb6 Qd4 Na4 
  6	+1.20 	27854  	0:00.00	Be2 b5 Nd6 Na4 Qd4 
  6	+0.89 	27854  	0:00.00	Nd6 Nxd3 Qxd3 Qb6+ Kh1 Qxb2 Rfd1 
  5	+1.14 	17939  	0:00.00	Be2 Ne4 Qd4 b5 Qxe4 bxc4 
  5	+0.97 	17939  	0:00.00	a3 Nxd3 Qxd3 Rd8 Nd6 
  4	+1.17 	11717  	0:00.00	Be2 b5 Nd6 a5 
  4	+0.78 	11717  	0:00.00	Nd6 Nxd3 Qxd3 Qb6+ Kh1 Qxb2 
  3	+1.10 	8134    	0:00.00	Be2 a5 Nd6 
  3	+0.78 	8134    	0:00.00	Nd6 Nxd3 Qxd3 
  2	+1.03 	6100    	0:00.00	Nd6 Nxd3 
  2	+0.73 	6100    	0:00.00	a4 Nxd3 
  1	+0.73 	3137    	0:00.00	a4 

Spliffjiffer
Posts: 195
Joined: Thu Aug 02, 2012 5:48 pm
Location: Germany

Re: Hard-Talkchess-2019 set

Post by Spliffjiffer » Mon Sep 09, 2019 4:44 pm

i have this position in my testsuite since 2011 and did always consider it as correct with 1. Bxh7 as best move...i would be surprised if this is incorrect but new times can bring new insights :-)...atm i really doubt that there is sth equally good as 1.Bxh7 !?
Wahrheiten sind Illusionen von denen wir aber vergessen haben dass sie welche sind.

Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Mon Sep 09, 2019 8:12 pm

Spliffjiffer wrote:
Mon Sep 09, 2019 4:44 pm
i have this position in my testsuite since 2011 and did always consider it as correct with 1. Bxh7 as best move...i would be surprised if this is incorrect but new times can bring new insights :-)...atm i really doubt that there is sth equally good as 1.Bxh7 !?
I'm convinced that Bxh7+ is the best move here but SF has a strange behavior : eval goes up and down and best move change from Bxh7+ to Rf3 to Bxh7+ to Rf3 to Bxh7+ ... Eval or search seems not correct.
Here is the output with 1 thread :

Code: Select all

 13/20	00:00	 114 718	1 593 305	+1,69	1.Rf3 Nxd3 2.Qxd3 Rd8 3.Nd6 Qb6+ 4.Kh1 Qxb2 5.Re1 g6 6.Rh3 h5 7.Qg3 Rxd6 8.exd6 Qxc2 9.Rxh5 Qxa2
 14/23	00:00	 215 323	1 643 687	+1,84	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 f6 4.Qh5 g6 5.Qh4 Qg7 6.Re3 fxe5 7.Rxe5 Qf6
 15/18	00:00	 227 958	1 651 869	+4,62	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 Qd8 4.Rh3 Qd4+ 5.Ne3
 16/12	00:00	 235 445	1 658 063	+6,57	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 Re8 4.Rh3 Kf8 5.Qh8+ Ke7 6.Qxg7 Kd8 7.Rd1+ Ke7
 17/32	00:00	 351 630	1 715 268	+2,09	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 Ne4 4.Rh3 f5 5.Re1 b5 6.Rxe4 bxc4 7.Rxc4 Bd7 8.Rcc3 Be8 9.Qh7+ Kf7 10.Rcg3 Ke7
 18/26	00:00	 381 242	1 725 076	+2,53	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 Ne4 4.Re1 f5 5.Rxe4 Qf7 6.Qxf7+ Rxf7 7.Ree3 b5 8.Nd6 Re7 9.Rg3 Bd7 10.Rc3 Kf8 11.Rh3 Kg8
 19/32	00:00	 1 095 583	1 717 214	+1,73	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 f5 4.Qf3 Bd7 5.Rad1 Rad8 6.Qh5 Be8 7.Nxe8 Rdxe8 8.Qh4 h6 9.Rd6 Kh8 10.Rd7 Qb6+ 11.Kh1 c5
 20/41	00:01	 2 448 382	1 705 001	+1,51	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 f5 4.Rh3 c5 5.Qf3 Rb8 6.Rd1 g6 7.Qf2 Bb7 8.Nxb7 Rxb7 9.Rd6 Rb6 10.Qh4 Rxd6 11.exd6
 21/35	00:02	 3 818 821	1 703 309	+2,44	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Re1 b5 6.Ne3 Rd8 7.g4 Kf8 8.Qg6 Kg8 9.gxf5 exf5 10.Qh7+ Kf7 11.Nxf5 Qa7+ 12.Rhe3 Bxf5 13.Qxf5+ Kg8 14.Qxe4
 22/32	00:02	 3 900 562	1 706 282	+4,93	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Re1 b5 6.Ne3 Rd8 7.g4 Kf8 8.Qg6 Kg8 9.gxf5 exf5 10.Re2
 23/42	00:02	 4 718 364	1 721 402	+2,53	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 Bd7 6.g4 fxg4 7.Qh7+ Kf7 8.Rhd3 Be8 9.Ne3 Qb6 10.Kg2 Rd8 11.Rb3 Qxe3 12.Rxe3 Rxd1 13.Rxe4 Rd2+ 14.Kg3 a5 15.Ra4 c5 16.Rxa5 Bc6 17.Kxg4 Rg2+ 18.Kh3
 24/48+	00:03	 5 254 333	1 730 676	+2,11	1.Bxh7+
 24/48+	00:03	 5 294 541	1 731 373	+2,50	1.Bxh7+
 24/48	00:03	 5 303 586	1 731 500	+2,50	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 Bd7 6.g4 fxg4 7.Qh7+ Kf7 8.Rhd3 Rad8 9.Qxe4 Kg8 10.Qg6 Be8 11.Qxg4 Rxd3 12.Rxd3 Rf5 13.Ne3 Bh5 14.Qh3 Bg6 15.Qg2
 25/34-	00:03	 5 368 755	1 732 974	+2,39	1.Bxh7+ Kxh7
 25/45+	00:03	 5 531 075	1 733 879	+2,50	1.Bxh7+
 25/45+	00:03	 5 611 335	1 735 106	+2,66	1.Bxh7+
 25/45	00:03	 5 647 959	1 735 697	+2,43	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 Bd7 6.g4 fxg4 7.Qh7+ Kf7 8.Rhd3 Be8 9.Ne3 Qb6 10.Kg2 Rd8 11.Rb3 Qxe3 12.Rxe3 Rxd1 13.Rxe4 c5 14.Re3 Bd7 15.Kg3 Rb1 16.Kh4 Rxb2 17.Rg3 Rxa2 18.Rxg4 Rg8
 26/41+	00:03	 5 744 951	1 736 159	+2,53	1.Bxh7+
 26/42-	00:03	 5 846 267	1 736 858	+2,32	1.Bxh7+ Kxh7
 26/43-	00:03	 6 130 829	1 740 229	+2,16	1.Bxh7+ Kxh7
 26/45+	00:03	 6 387 250	1 740 395	+2,32	1.Bxh7+
 26/46	00:03	 6 502 574	1 740 983	+2,56	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 Bd7 6.g4 fxg4 7.Qh7+ Kf7 8.Rhd3 Rad8 9.Qxe4 Kg8 10.Ne3 c5 11.Qg6 c4 12.Rd4 Qc5 13.Qxg4 Be8 14.c3 Rxd4 15.Rxd4 Qe7 16.Nxc4 Bc6 17.Nd6 Bd5 18.Kf2 Bxa2 19.Ke3 Bd5 20.Qh5 a5
 27/50+	00:03	 6 955 532	1 741 495	+2,67	1.Bxh7+
 27/50+	00:04	 7 085 826	1 743 130	+2,77	1.Bxh7+
 27/50-	00:04	 7 227 043	1 743 556	+2,45	1.Bxh7+ Kxh7
 27/50+	00:04	 7 371 010	1 744 204	+2,69	1.Bxh7+
 27/50+	00:04	 7 616 099	1 746 811	+2,98	1.Bxh7+
 27/50	00:04	 7 806 723	1 749 209	+2,98	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 b5 6.Ne3 Bd7 7.g4 Rad8 8.g5 Be8 9.Qh7+ Kf7 10.g6+ Ke7 11.Qh4+ Rf6 12.exf6+ Nxf6 13.Qh8 Rxd1+ 14.Nxd1 Kd8 15.Nf2 Nd5 16.Nd3 Nf6 17.Qh4 Kc8 18.Qe1 Qd6 19.Qe5 Qd5 20.Qxd5 Nxd5
 28/47+	00:04	 8 090 995	1 752 815	+3,08	1.Bxh7+
 28/47+	00:04	 8 139 593	1 753 466	+3,19	1.Bxh7+
 28/47+	00:04	 8 260 852	1 755 014	+3,35	1.Bxh7+
 28/48-	00:04	 8 379 164	1 756 638	+2,87	1.Bxh7+ Kxh7
 28/51+	00:04	 8 558 689	1 757 431	+3,22	1.Bxh7+
 28/51	00:05	 8 824 994	1 760 421	+3,43	1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.Rh3 Ne4 5.Rd1 Bd7 6.g4 fxg4 7.Qh7+ Kf7 8.Rh6 Rg8 9.Nd6+ Nxd6 10.Rf6+ Ke7 11.exd6+ Qxd6 12.Rxd6 Kxd6 13.Rf7 Kc7 14.Rxg7 Rxg7 15.Qxg7 Kd6 16.Kf2 c5 17.Kg3 Bc6 18.Kxg4 Bd5 19.b3 Kc6 20.Kg5 Kd6 21.Kg6 Kc6
 29/49-	00:05	 9 527 907	1 768 028	+3,32	1.Bxh7+ Kxh7
 29/54-	00:05	 10 190 466	1 775 961	+3,22	1.Bxh7+ Kxh7
 29/54-	00:08	 14 816 081	1 777 787	+1,67	1.Bxh7+ Kxh7
 29/56	00:17	 30 470 236	1 738 870	+1,68	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 f5 4.Qd2 c5 5.c4 Bb7 6.Rd1 Bc6 7.Qf2 Qa7 8.h4 Rfb8 9.Rc3 Be8 10.cxb5 axb5 11.Rxc5 Bh5 12.Rd2 Qxa2 13.Kh2 Kh8 14.Rdc2 Qb3 15.R2c3 Qd1 16.Rc7 Qe2 17.Qxe2
 30/41-	00:18	 32 549 797	1 740 072	+1,57	1.Rf3 Nxd3
 30/41-	00:21	 37 525 140	1 733 743	+1,46	1.Rf3 Nxd3
 30/45-	00:25	 43 816 983	1 729 503	+1,31	1.Rf3 Nxd3
 30/47+	00:36	 62 707 453	1 730 290	+1,44	1.Rf3
 30/47	00:45	 78 489 553	1 726 259	+1,47	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 f6 4.Qh5 fxe5 5.Qxe5 a5 6.Rad1 Qa7+ 7.Kh1 Qc7 8.Qe4 Rb8 9.g3 e5 10.Nxc8 Qxc8 11.Rd7 Qe8 12.f5 Rf7 13.R7d6 Rf8 14.g4 Qf7 15.Rxc6 Rbd8 16.Rxd8 Rxd8 17.Qxe5 Qxa2 18.Qe6+ Qxe6 19.fxe6
 31/48+	00:49	 85 194 441	1 726 156	+1,58	1.Bxh7+
 31/48-	00:49	 86 277 177	1 727 928	+1,36	1.Bxh7+ Kxh7
 31/48+	00:53	 92 962 025	1 727 212	+1,52	1.Rf3
 31/49-	01:06	 114 741 907	1 719 057	+1,21	1.Rf3 Nxd3
 31/52+	01:29	 149 810 847	1 675 736	+1,47	1.Rf3
 31/52	01:45	 173 885 753	1 653 928	+1,47	1.Rf3 Nxd3 2.Rxd3 Qe7 3.Qe2 Qc5+ 4.Re3 Qe7 5.Rh3 f6 6.Rd1 b5 7.exf6 Qc5+ 8.Ne3 Ra7 9.fxg7 Rxg7 10.Rh5 Qb4 11.c4 Rxf4 12.h3 Rf8 13.Ng4 e5 14.Qxe5 Qe7 15.Qxe7 Rxe7 16.Ne5 Be6 17.Nxc6 Rg7 18.Rd6 Bxc4 19.Ne5 Rf1+ 20.Kh2 Bxa2 21.Rxa6
 32/54-	01:52	 186 243 261	1 648 622	+1,37	1.Rf3 Nxd3
 32/54+	01:56	 191 419 142	1 645 979	+1,47	1.Rf3
 32/54	02:00	 197 157 266	1 642 005	+1,43	1.Rf3 Nxd3 2.Rxd3 Qe7 3.Qe2 Qc5+ 4.Re3 b5 5.Nd6 f5 6.Rd1 Ra7 7.Kh1 Qb6 8.Rh3 g6 9.Qe1 a5 10.Rhd3 Ba6 11.b3 Rg7 12.Qd2 Ra7 13.c4 b4 14.h4 Rg7 15.Kh2 Qa7 16.a3 h6 17.axb4 axb4 18.Rg3 Kh7 19.Rh3 c5
 33/41+	02:03	 203 433 153	1 641 794	+1,54	1.Rf3
 33/48-	02:17	 224 779 997	1 633 077	+1,32	1.Rf3 Nxd3
 33/50+	02:44	 266 496 844	1 624 277	+1,48	1.Rf3
 33/55	03:07	 302 278 517	1 615 279	+1,55	1.Rf3 Nxd3 2.Rxd3 b5 3.Nd6 Qa7+ 4.Kh1 f6 5.Ne4 f5 6.Nd6 c5 7.Qf3 c4 8.Rd2 Rb8 9.Nxc8 Rbxc8 10.Rad1 Qb6 11.Qg3 Rcd8 12.Rd7 Rxd7 13.Rxd7 Rf7 14.Rd6 Qa5 15.a3 Rf8 16.h4 b4 17.Rxe6 bxa3 18.Qxa3 Qxa3 19.bxa3
 34/52-	03:12	 311 290 093	1 613 746	+1,45	1.Rf3 Nxd3
 34/52-	03:24	 329 669 905	1 614 311	+1,34	1.Rf3 Nxd3
 34/54+	03:55	 378 783 357	1 605 905	+1,45	1.Bxh7+
 34/54+	03:59	 385 238 484	1 605 923	+2,34	1.Bxh7+
 34/54	04:00	 386 439 790	1 605 903	+2,08	1.Bxh7+ Kxh7 2.b4 Ne4 3.Qd3 Kg8 4.Qxe4 b5 5.Na5 f5 6.exf6 Rxf6 7.Rad1 Bd7 8.Nb3 Be8 9.Qe3 Bh5 10.Rde1 Raf8 11.g3 Bf7 12.a3 Rd8 13.h4 e5 14.fxe5 Rxf1+ 15.Rxf1 Re8 16.Re1 Bd5 17.Nc5 Qf7 18.Nxa6
 35/43-	04:03	 390 992 444	1 606 345	+1,98	1.Bxh7+ Kxh7

zullil
Posts: 5611
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Hard-Talkchess-2019 set

Post by zullil » Mon Sep 09, 2019 8:52 pm

Vinvin wrote:
Mon Sep 09, 2019 8:12 pm

I'm convinced that Bxh7+ is the best move here but SF has a strange behavior : eval goes up and down and best move change from Bxh7+ to Rf3 to Bxh7+ to Rf3 to Bxh7+ ... Eval or search seems not correct.
Sf-dev with default settings (so, in particular, one thread) shows similar behavior until about depth 37. After that, it seems to stay with Bxh7+:

info depth 43 seldepth 70 multipv 1 score cp 319 nodes 1056652693 nps 1983571 hashfull 1000 tbhits 0 time 532702 pv d3h7 g8h7 d1h5 h7g8 f1f3 f7f5 e5f6 f8f6 h5c5 c8d7 a1d1 d7e8 c4e5 a6a5 g2g3 b7b6 c5d6 c7d6 d1d6 b6b5 g1g2 c6c5 g3g4 a5a4 g4g5 f6f8 g2g3 c5c4 g3g4 b5b4 d6e6 a8d8 f3f2 e8f7 e5f7 g8f7 f4f5 b4b3 a2b3 c4c3 e6b6 d8d2 f2d2 c3d2 b6d6 a4b3 c2b3

Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Sun Sep 15, 2019 9:37 pm

Vinvin wrote:
Sun Sep 08, 2019 8:47 pm
The questions still pending for these positions are :
...
Is h3 really drawing ? May be are there other moves to draw for white ?
8/1p2b3/6k1/5p2/p2NbP1p/P1B1P1p1/1P5P/6K1 w - - bm h3; c0 "fortress From Smirin-HIARCS"; c1 "diff=10";
...
After 1.h3 Kf7, difficult to find the draw. May be black is winning here !
[d]8/1p2bk2/8/5p2/p2NbP1p/P1B1P1pP/1P6/6K1 w - - 1 2
3 best moves :

Code: Select all

Stockfish_19091500_x64_modern:
...
 58/70	10:39	6 224 147 921	9 727 723	-7,53	2.Nb5 Bd3 3.Nd4 Bc5 4.Bd2 Be4 5.Bb4 Bb6 6.Kf1 Ke8 7.Kg1 Kd7 8.Bf8 Bd8 9.Bc5 Be7 10.Bb6 Bd3 11.Nf3 Ke6 12.Ne5 Be4 13.Bd4 Bd8 14.Ng6 b5 15.Nf8+ Kd6 16.Kf1 Kd5 17.Kg1 Kc4 18.Nd7 Be7 19.Ne5+ Kd5 20.Bc3 Bc5 21.Bd2 Bb6 22.Nd7 Bd8 23.Bb4 Kc4 24.Kf1 Kd3 25.Bc5 Bd5 26.Nb6 Bf3 27.Nd7 Kc2 28.Bd4 Ba5 29.Nc5 Bd5 30.Na6 Bc4+ 31.Kg2 Bd2 32.Nb4+ Kb3 33.Bf6 Bxe3 34.Kf3 Bc1 35.Bxh4 Bxb2 36.Kxg3 Bxa3
 59/86	10:39	6 224 147 921	9 727 723	-7,53	2.Ne2 Bd3 3.Nd4 Bc5 4.Bd2 Be4 5.Bb4 Bb6 6.Kf1 Bb1 7.Ke2 Bd3+ 8.Kf3 Be4+ 9.Ke2 Ke8 10.Kf1 Kd7 11.Kg1 Bd8 12.Bc5 Be7 13.Bb6 Bd3 14.Nf3 Ke6 15.Ne5 Be4 16.Bd4 Bf6 17.Kf1 Bd8 18.Kg1 Kd5 19.Kf1 b5 20.Ng6 Kc4 21.Ne5+ Kb3 22.Nd7 Be7 23.Kg1 Kc4 24.Ne5+ Kd5 25.Bc3 Bc5 26.Bd2 Bb1 27.Kg2 Bb6 28.Nd7 Bd8 29.Bc3 Be4+ 30.Kf1 Bd3+ 31.Kg1 Bc2 32.Be5 Bb1 33.Bg7 Kd6 34.Nf6 Be4 35.Kf1 Ke6 36.Nh7 Be7 37.Ng5+ Kd5 38.Bc3 Bc5 39.Nxe4 Kxe4 40.Kg2 Kxe3 41.Bf6 Kxf4 42.Bxh4 Bf2 43.Bd8
 59/102	10:39	6 224 147 921	9 727 723	-7,16	2.Bb4 Bf6 3.Bd6 Bd3 4.Bc5 Bd8 5.Ba7 Ke7 6.b4 axb3 7.Nxb3 Be4 8.Nc5 Bc6 9.Nd3 Kd6 10.Nb4 b6 11.Bb8+ Kc5 12.Nd3+ Kb5 13.Bd6 Bd5 14.Ne5 Ka4 15.Kf1 Kb3 16.Bb4 b5 17.Bc5 Be4 18.Ke2 Bg2 19.Nf7 Bf6 20.Bf8 Bxh3 21.Kf3 Bf1 22.Ng5 Kc4 23.Nf7 Kd5 24.Ng5 Bb2 25.Be7 Kc4 26.Bb4 Bc1 27.Be1 Kd3 28.Bxg3 hxg3 29.Kxg3 Kxe3 30.Nf7 Bxa3 31.Ne5 Bd6 32.Nd7 Bxf4+ 33.Kh4

Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Mon Sep 16, 2019 9:29 pm

Vinvin wrote:
Sun Sep 08, 2019 8:47 pm
The questions still pending for these positions are :

How to win this position with white ?
2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - am Nxb6+?; c1 "diff=10";
I found an answer here : https://www.stmintz.com/ccc/index.php?id=132574
"Qd2, Kb3, Nc3, Ka4, Na2-c1-b3 and Qxa5 with Black just watching."
But SF thinks this way is only a draw and SF gives a very high score to : 1. Qb3 Qb7 2. b6 Be1 3. Qb5 Kd8 4. Kb3 cxb6 5. Nxb6
and here, 3 best lines are over +5 :

Code: Select all

FEN: 3k4/1q6/1N1p4/pQpPp1pp/2P1Pp2/PK3P1P/6P1/4b3 b - - 0 5

Stockfish_19091500_x64_modern:
...
 57/81	3:08:00	109 943 806 773	9 746 532	+7,74	5. ... Kc7 6.Na4 Qb8 7.Ka2 Qxb5 8.cxb5 c4 9.Nb2 c3 10.Nc4 a4 11.b6+ Kb7 12.Nxd6+ Kxb6 13.Kb1 Bf2 14.Kc2 Bd4 15.Nf7 Kb5 16.Kd3 Kc5 17.Nxg5 Kd6 18.Ne6 Kd7 19.Ng7 Ke7 20.Nf5+ Kf6 21.Nd6 Kg5 22.Nb5 c2 23.Kxc2 Bb6 24.Nd6 Bc5 25.Nc4 Bd4 26.Kd3 Bc5 27.Kc3 Kf6 28.Kc2 Bf8 29.Kd3 Ke7 30.Nb6 Kf7 31.Nxa4 Bxa3 32.Kc3 Bf8 33.Kc4 Ke7 34.Kb5 Kd6 35.Nb6 Bg7 36.Nc4+ Kd7 37.d6 Bh6 38.Kc5 Ke6 39.Kc6 Bf8 40.d7 Be7 41.Nd6 Bd8 42.Nb7 Bf6 43.d8Q Bxd8 44.Nxd8+ Kf6 45.Kd5
 57/104	3:08:00	109 943 806 773	9 746 532	+5,42	5. ... Bf2 6.Na4 Qc7 7.Qa6 Qb8+ 8.Ka2 Be1 9.Qc6 Qc7 10.Qb5 Bh4 11.Qa6 Be1 12.Kb2 Qb8+ 13.Kc2 Ke7 14.Nb6 Kd8 15.Na8 Ke7 16.Qc6 a4 17.Nb6 Kf7 18.Nxa4 Ba5 19.Qd7+ Kg6 20.Qf5+ Kh6 21.Qf6+ Kh7 22.Qxg5 Qe8 23.Nb2 Bd8 24.Qf5+ Kg7 25.Qe6 Qf8 26.Na4 Ba5 27.Qd7+ Kh8 28.Qf5 Qe8 29.Qf6+ Kh7 30.Nb2 Qg8 31.Qf5+ Kh6 32.Qe6+ Qxe6 33.dxe6 Kg6 34.Kb3 Kf6 35.Ka4 Bd8 36.Kb5 Kxe6 37.a4 Kd7 38.a5 Kc8 39.a6 Kb8 40.Kc6 Be7 41.Nd3 h4 42.Kd7 Bf8 43.Ke8 Bh6 44.Ke7 Kc7 45.Ke6 Kc6 46.a7 Kb7 47.Kxd6 Kxa7 48.Kxe5 Ka6 49.Nxc5+ Kb6 50.Ne6 Kc6
 57/89	3:08:00	109 943 806 773	9 746 532	+5,37	5. ... Bd2 6.Na4 Qc7 7.Kb2 Ke7 8.Qa6 Qb8+ 9.Nb6 Kd8 10.Kc2 Be1 11.Na8 Ke7 12.Qc6 a4 13.Nb6 Kf7 14.Nxa4 Ba5 15.Qd7+ Kg6 16.Qf5+ Kh6 17.Qf6+ Kh7 18.Qxg5 Qe8 19.Nb2 Bd8 20.Qf5+ Kg7 21.Qe6 Qf8 22.Na4 Ba5 23.Qd7+ Kh8 24.Qf5 Qe8 25.Qf6+ Kh7 26.Nb2 Qg8 27.Qf5+ Kh6 28.Qe6+ Qxe6 29.dxe6 Kg6 30.Kb3 Kf6 31.Ka4 Bd8 32.Kb5 Kxe6 33.a4 Kd7 34.a5 Kc8 35.a6 Kb8 36.Kc6 Be7 37.Nd3 Bf8 38.Kd7 Ka7 39.Ke8 Bh6 40.Ke7 Kxa6 41.Kxd6 Kb6 42.Kxe5 Kc7 43.Kf5 Bf8 44.Nxf4 Kc6 45.e5

Paloma
Posts: 829
Joined: Thu Dec 25, 2008 8:07 pm

Re: Hard-Talkchess-2019 set

Post by Paloma » Tue Sep 17, 2019 8:45 am

> "Qd2, Kb3, Nc3, Ka4, Na2-c1-b3 and Qxa5 with Black just watching."

But for Engines it's difficult to win. :)

[d]8/1kp5/1q1p4/pPpPp1pp/K1P1Pp2/PN3PbP/3Q2P1/8 b - - 0 7

7...Qa7 8.Qxa5 Qb6 9.Qa6+ Qxa6+ 10.bxa6+ Kxa6

[d]8/2p5/k2p4/2pPp1pp/K1P1Pp2/PN3PbP/6P1/8 w - - 0 11

Analysis by Houdini 6.02 Pro x64-pext:

11.Na5 Kb6 12.Nc6 Bh4 13.Nb8 Be1 14.Nd7+ Ka6 15.Nf6 h4 16.Nh7 Bg3 17.Nf8 Kb6 18.Ne6 Be1 19.Nxg5 Ba5 20.Kb3 c6 21.Ne6 Kb7 22.Kc2 Bc7 23.Ng7 Bd8 24.Nf5 Kc7 25.Kb3 Bg5 26.a4 Bf6 27.a5 Bd8 28.Ka4 Bg5
+- (9.66) Tiefe: 52/97 01:07:08 45437MN, tb=7536414

Other way: 7...Kc8 8.Nxa5 Qb8 9.Nc6 Qa8+ 10.Kb3 is easier

Vinvin
Posts: 4370
Joined: Thu Mar 09, 2006 8:40 am
Full name: Vincent Lejeune

Re: Hard-Talkchess-2019 set

Post by Vinvin » Tue Sep 17, 2019 9:22 am

Paloma wrote:
Tue Sep 17, 2019 8:45 am
> "Qd2, Kb3, Nc3, Ka4, Na2-c1-b3 and Qxa5 with Black just watching."

But for Engines it's difficult to win. :)

8/1kp5/1q1p4/pPpPp1pp/K1P1Pp2/PN3PbP/3Q2P1/8 b - - 0 7

7...Qa7 8.Qxa5 Qb6 9.Qa6+ Qxa6+ 10.bxa6+ Kxa6

8/2p5/k2p4/2pPp1pp/K1P1Pp2/PN3PbP/6P1/8 w - - 0 11

Analysis by Houdini 6.02 Pro x64-pext:

11.Na5 Kb6 12.Nc6 Bh4 13.Nb8 Be1 14.Nd7+ Ka6 15.Nf6 h4 16.Nh7 Bg3 17.Nf8 Kb6 18.Ne6 Be1 19.Nxg5 Ba5 20.Kb3 c6 21.Ne6 Kb7 22.Kc2 Bc7 23.Ng7 Bd8 24.Nf5 Kc7 25.Kb3 Bg5 26.a4 Bf6 27.a5 Bd8 28.Ka4 Bg5
+- (9.66) Tiefe: 52/97 01:07:08 45437MN, tb=7536414

Other way: 7...Kc8 8.Nxa5 Qb8 9.Nc6 Qa8+ 10.Kb3 is easier
Yes, but the mistake is that black isn't just "watching", they plays a4! somewhere to block the A file.
I didn't spend much time on this but the eval stays around +1 without progress :

1. Qd2 Qa7 2. Kb3 Kb7 3. Nc3 a4+ 4. Nxa4 Bh4

Code: Select all

FEN: 8/qkp5/3p4/1PpPp1pp/N1P1Pp1b/PK3P1P/3Q2P1/8 w - - 1 5

Stockfish_19091601_x64_bmi2:
...
 49/65	00:30	 293.582k	9.597k	+1,11	5.Nb2 Kb6 6.Nd3 Qa8 7.Qc3 Qa7 8.Ka2 Qa8 9.Kb1 Bg3 10.Kb2 Qa4 11.Qc2 Qa5 12.Nc1 Be1 13.Nb3 Qa4 14.Qe2 Bg3 15.Ka2 Bh4 16.Qc2 Be1 17.Kb2 Bg3 18.Nc1 Qa5 19.Qc3 Qa4 20.Nd3 Bh4 21.Qc2 Qa5 22.Kb3 Be1 23.Nb2 Kb7 24.Ka2 Bc3 25.Qa4 Qxa4 26.Nxa4 Bd4 27.Kb3 Ka7 28.Kc2 Kb7 29.Nb2 Bxb2 30.Kxb2 Kb6 31.Ka2 Ka5 32.Kb3 Kb6 33.Kb2

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