Test Position: Bring the bazooka

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Albert Silver
Posts: 3019
Joined: Wed Mar 08, 2006 9:57 pm
Location: Rio de Janeiro, Brazil

Test Position: Bring the bazooka

Post by Albert Silver »

This position occurred in a test game.

[D]2rr2k1/2q1bpp1/p3p3/1pn1P3/3N1BQ1/1PP5/P5PP/3R1R1K w - - 0 23

The move is 1.Rf3!
"Tactics are the bricks and sticks that make up a game, but positional play is the architectural blueprint."
User avatar
AdminX
Posts: 6340
Joined: Mon Mar 13, 2006 2:34 pm
Location: Acworth, GA

Re: Test Position: Bring the bazooka

Post by AdminX »

Okay here is my old bazooka :lol:
PS: I normally use rocket launchers now. :lol:

Analysis by DelfiT 5.4:

1.Bg3 Qb7 2.Bh4 Bxh4 3.Qxh4 Ne4 4.Rd3 Rd7 5.Qh3
+- (1.82) Depth: 6 00:00:00 109kN
+- (1.46) Depth: 9 00:00:00 1664kN

1.Rfe1 Qb7 2.Bh6 Bf8 3.Re3 Qd5 4.Bg5 Rd7 5.Bf6 a5
+- (1.81) Depth: 9 00:00:01 3301kN
+- (1.82) Depth: 10 00:00:03 6291kN

1.Rf3 b4 2.Re3 bxc3 3.Rxc3 Qb7 4.Bh6 Bf8 5.Re3 Kh8 6.Bg5 Be7
+- (1.96) Depth: 10 00:00:05 9994kN
+- (1.74) Depth: 12 00:00:10 19997kN

1.Rfe1 Qb7 2.Bh6 Bf8 3.Re3 Qc7 4.Rf1 Rd7 5.Bf4 b4 6.Rh3 bxc3 7.Qh5 f5 8.exf6
+- (1.84) Depth: 12 00:00:16 31316kN
+- (1.85) Depth: 14 00:00:40 81010kN

1.Rf3 b4 2.Rdf1 bxc3 3.Bh6 Bf8 4.Rxf7 Qxf7 5.Rxf7 Kxf7 6.Bg5 Re8 7.Qf3+ Kg6 8.Bh4 Nd7
+- (2.04) Depth: 14 00:00:46 91952kN
+- (2.42) Depth: 15 00:01:19 160mN
"Good decisions come from experience, and experience comes from bad decisions."
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Albert Silver
Posts: 3019
Joined: Wed Mar 08, 2006 9:57 pm
Location: Rio de Janeiro, Brazil

Re: Test Position: Bring the bazooka

Post by Albert Silver »

AdminX wrote:Okay here is my old bazooka :lol:
PS: I normally use rocket launchers now. :lol:

Analysis by DelfiT 5.4:

1.Bg3 Qb7 2.Bh4 Bxh4 3.Qxh4 Ne4 4.Rd3 Rd7 5.Qh3
+- (1.82) Depth: 6 00:00:00 109kN
+- (1.46) Depth: 9 00:00:00 1664kN

1.Rfe1 Qb7 2.Bh6 Bf8 3.Re3 Qd5 4.Bg5 Rd7 5.Bf6 a5
+- (1.81) Depth: 9 00:00:01 3301kN
+- (1.82) Depth: 10 00:00:03 6291kN

1.Rf3 b4 2.Re3 bxc3 3.Rxc3 Qb7 4.Bh6 Bf8 5.Re3 Kh8 6.Bg5 Be7
+- (1.96) Depth: 10 00:00:05 9994kN
+- (1.74) Depth: 12 00:00:10 19997kN

1.Rfe1 Qb7 2.Bh6 Bf8 3.Re3 Qc7 4.Rf1 Rd7 5.Bf4 b4 6.Rh3 bxc3 7.Qh5 f5 8.exf6
+- (1.84) Depth: 12 00:00:16 31316kN
+- (1.85) Depth: 14 00:00:40 81010kN

1.Rf3 b4 2.Rdf1 bxc3 3.Bh6 Bf8 4.Rxf7 Qxf7 5.Rxf7 Kxf7 6.Bg5 Re8 7.Qf3+ Kg6 8.Bh4 Nd7
+- (2.04) Depth: 14 00:00:46 91952kN
+- (2.42) Depth: 15 00:01:19 160mN
Says the guy after testing 47 engines until one found it quickly enough.... :-P
"Tactics are the bricks and sticks that make up a game, but positional play is the architectural blueprint."
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Test Position: Bring the bazooka

Post by zullil »

Albert Silver wrote:This position occurred in a test game.

[D]2rr2k1/2q1bpp1/p3p3/1pn1P3/3N1BQ1/1PP5/P5PP/3R1R1K w - - 0 23

The move is 1.Rf3!
Stockfish-1.7.1 (8 threads) succeeds:

Code: Select all

Searching: 2rr2k1/2q1bpp1/p3p3/1pn1P3/3N1BQ1/1PP5/P5PP/3R1R1K w - -
infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0
 2     +1.01   00:01     1572 Qh5 Ne4 
 2     +1.49   00:01     1839 Bg3 Rd5 
 3     +2.06   00:01     2694 Bg3 Rf8 Qh5 
 4     +1.74   00:01     4207 Bg3 Rf8 Kg1 Rfd8 
 5     +2.06   00:01     5741 Bg3 Rf8 Kg1 Rcd8 Qh5 
 6     +1.70   00:01     8073 Bg3 Rf8 Kg1 Rcd8 b4 Na4 
 7     +1.90   00:01    72364 Bg3 Rf8 Rf3 Qb7 Rdf1 Ne4 Qh5 g6 
 8     +1.78   00:01   129043 Bg3 Qb7 Rf4 g5 Rff1 Ne4 Qh5 Ba3 
 9  >  +2.02   00:01   192699 Bg3 Qb7 Rf4 g5 Rdf1 Rf8 b4 Nd3 R4f3 
 9  >  +2.26   00:01   215629 Bg3 Qb7 Rf4 g5 Rdf1 Rf8 R4f3 Ne4 Qh5 
 9     +1.82   00:01   259715 Bg3 Rf8 Rf3 Qb7 Bf4 Qe4 Rh3 Qg6 Qxg6 fxg6 Rf3 
10  >  +1.94   00:01   295588 Bg3 Rf8 Rf3 Qb7 Bf4 Qe4 b4 Na4 Nxe6 fxe6 Qxe6+ 
                              Kh7 Rh3+ 
10  >  +2.06   00:01   298239 Bg3 Rf8 Rf3 Qb7 Bf4 Qe4 b4 Na4 Nxe6 fxe6 Qxe6+ 
                              Kh7 Rh3+ 
10     +2.06   00:01   312499 Bg3 Rf8 Rf3 Qb7 Bf4 Qd5 Rg3 g6 Nxb5 Ne4 Rxd5 Nf2+ 
                              Kg1 Nxg4 
11     +1.86   00:01   565981 Bg3 Rf8 Rf3 Qd7 Rdf1 Qd5 Bh4 Bxh4 Qxh4 Qe4 Qh5 g6 
                              Qh6 Qxe5 
12     +1.74   00:01    1140k Bg3 Qd7 Rf3 Qd5 Rdf1 Rf8 Bf4 Ne4 Bh6 Qxe5 Bxg7 
                              Qxg7 Qxe4 
13  >  +1.98   00:01    1987k Bg3 Qd7 Rf3 Qd5 Rdf1 Rf8 Re1 g6 Bh4 
13     +1.94   00:01    2108k Bg3 Qd7 Rf3 Qd5 Rdf1 Rf8 Bf4 Ne4 Bh6 Qxe5 Bxg7 f5 
                              Bxe5+ fxg4 Rxf8+ Bxf8 Nxe6 Bh6 a3 Nxc3 Rf6 
14     +1.74   00:02    3131k Bg3 Qd7 Rf3 Qd5 Re1 Nd7 a4 Rf8 axb5 axb5 Bf4 Rfe8 
                              Bh6 Bf8 Qg5 b4 Ref1 Nxe5 
15  >  +2.06   00:02    4731k Bg3 Qb7 Rde1 Qd5 Bh4 Bxh4 Qxh4 Nd7 Rf3 Nxe5 Rh3 
                              Ng6 Qh7+ Kf8 Rf1 e5 Qxg6 exd4 Rh5 
15     +1.90   00:02    5363k Bg3 Qd7 a4 Qe8 axb5 axb5 Bf4 g6 Bg3 Rd5 Qf4 g5 
                              Qf3 Ra8 b4 Nd7 Qe4 Ra2 
16  <  +1.62   00&#58;03    8142k Bg3 Qb7 Qh5 g6 
16     +2.10   00&#58;04   19772k Bg3 Qb7 Rde1 Qd5 Re3 Nd7 Bf4 g6 Bg3 Rf8 Qf4 a5 
                              Bh4 f6 exf6 Bxf6 Rxe6 Bxd4 Rxg6+ Bg7 
17  <  +1.82   00&#58;04   20903k Bg3 Qb7 Rde1 b4 cxb4 Qxb4 Rf4 Qd2 Ref1 Rf8 b4 Nd3 
                              Rxf7 Rxf7 Rxf7 Rc1+ 
17     +1.86   00&#58;05   23583k Bg3 Qb7 Rde1 b4 cxb4 Qxb4 Rf4 Qd2 Ref1 Rf8 Qh5 
                              Qd3 Ne2 Qg6 Qxg6 fxg6 Nd4 Bg5 Rxf8+ Rxf8 Rxf8+ 
                              Kxf8 b4 
17  >  +2.38   00&#58;05   25255k b4 Na4 Rd3 Qc4 Bh6 Bf8 Rxf7 Qxd3 Rxf8+ Kxf8 Qxg7+ 
                              Ke8 Qf8+ Kd7 Qf7# 
17     +2.26   00&#58;05   26938k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qb7 Rc7 
                              Qxa6 Rd5 Qa8+ Kh7 Qe8 Qxa2 Rxf7 Rxe5 Ref1 Rxc3 
                              Nxb5 
18  >  +2.55   00&#58;06   28471k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 
                              Qxa2 Ref1 
18  >  +2.83   00&#58;06   29279k b4 Na4 Rd3 Nxc3 Nxe6 fxe6 Qxe6+ Kf8 Rxd8+ Rxd8 
                              Bg5+ 
18     +2.87   00&#58;07   35636k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Qg3 Qxg3 Bxg3 
                              Bg5 Rb1 Rc4 Ne1 Be7 a3 Bg5 Nf3 Bc1 Ra2 Rd1+ Be1 
                              Rc3 
19     +2.91   00&#58;08   44090k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc3 Bg3 Rdc8 Ne3 Ra3 Be1 Rc1 g3 Rb1 Rf4 
                              Bg5 Rf3 Rc3 Kg2 
20     +2.95   00&#58;09   48879k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc3 Bg3 Rdc8 Ne3 Ra3 Be1 Rc1 g3 Ra1 Kg2 
                              R1xa2 Rxa2 Rxa2+ Rf2 Ra3 Kf3 Bg5 Bd2 Rd3 Ke4 
21  >  +3.03   00&#58;10   57039k b4 Nb7 Rd3 Bf8 Rh3 Qc4 Rf2 Rxd4 Qh5 f5 exf6 
21  >  +3.11   00&#58;10   60211k b4 Na4 Rd3 g6 Rdf3 Rf8 a3 Nxc3 Bh6 Qc4 Bxf8 Rxf8 
                              Rc1 
21  <  +2.87   00&#58;11   66389k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Rc4 Qg3 
                              Qxg3 Bxg3 f5 exf6 gxf6 Re2 e5 a3 Rd3 Ne3 Re4 
21     +3.15   00&#58;12   70168k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Rc4 Qg3 
                              Qxg3 Bxg3 f5 exf6 gxf6 Re2 e5 a3 Rd3 Kg1 Rcc3 Bh4 
                              Kf7 g4 Rc8 Kg2 Ke6 h3 
22  <  +2.91   00&#58;14   85262k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh8 
                              Rxf7 Rg8 Qxe6 Qxe6 Nxe6 Rxc3 Kg1 Rc2 Nxg7 Rxg7 
                              Rf2 Rcc7 Ref1 Rge7 Rf6 Kg7 
22  <  +2.67   00&#58;15   89565k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh8 
                              Rxf7 Rg8 Qxe6 Qxc3 Nf3 Rgf8 Rxf8+ Rxf8 Rd1 Kh7 
22     +2.79   00&#58;16   97650k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh8 
                              Rxf7 Rg8 Rg1 Bxe5 Qh3 Rg7 Qxh6+ Kg8 Rxg7+ Bxg7 
                              Qg6 Qxc3 Qxe6+ Kh8 Nf5 Qc6 Nd6 Rc7 Rf1 Qc1 Nf7+ 
                              Kh7 
23     +2.87   00&#58;23  147730k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh7 
                              Rxf7 Rg8 Rf3 Rce8 Qe4+ Kh8 Qc2 Rgf8 Qb3 Qxb3 axb3 
                              Kg8 Rxf8+ Kxf8 c4 bxc4 bxc4 Ke7 Ra1 Bxe5 Nc6+ Kd6 
                              Nxe5 Kxe5 Rxa6 
24  >  +3.15   00&#58;31  207251k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh7 
                              Rxf7 Rg8 Rg1 Rc7 Rxc7 Qxc7 Qxe6 Qxc3 Nc6 Qd3 Qd6 
                              Qe2 e6 Re8 Nd4 Qg4 Qd7 Rf8 Nc6 Rf2 Ne5 Qxb4 e7 
24     +2.91   00&#58;31  209330k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh7 
                              Rxf7 Rg8 Qxe6 Qxe6 Nxe6 Rxc3 Nf4 Rgc8 e6 Kg8 Rd7 
                              Rc1 Rg1 Bb2 Nd5 Kf8 g4 Rxg1+ Kxg1 Be5 Kg2 Rc2+ 
                              Kf3 Bxh2 Rd8+ Kg7 e7 
25  >  +2.99   00&#58;39  265831k b4 Ne4 Rde1 Qc4 Bh6 Bf8 Qxe4 gxh6 Rf3 Bg7 Qg4 Kh7 
                              Rxf7 Rg8 Qxe6 Qxe6 Nxe6 Rxc3 h3 Kg6 Ra7 Ra3 Re2 
                              Ra4 Kh2 Rxb4 Rxa6 Ra4 Rb6 
25  >  +3.07   00&#58;40  273793k b4 Na4 Rd3 g6 Rdf3 Rf8 a3 Nxc3 Bh6 Qc4 Bxf8 Rxf8 
                              Rc1 
25  >  +3.23   00&#58;47  327324k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc4 a3 Rc3 g3 Rdc8 Rff2 Kh7 Kg2 Kg6 Be3 
                              f5 exf6 gxf6 Bd4 
25     +2.95   00&#58;50  354234k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc4 a3 Rdc8 Ne1 a5 bxa5 Bxa3 Ra2 b4 Bd2 
                              Ra8 Nc2 Rxa5 Nxb4 Bxb4 Rxa5 Bxd2 Ra7 Bf4 g3 
26  >  +3.03   01&#58;01  430348k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc4 a3 Rdc8 Ne1 a5 bxa5 Bxa3 Bd2 b4 Re3 
                              Ra8 Rb3 Rxa5 Nd3 Rd4 Kg1 Ra4 Rf4 
26  >  +3.11   01&#58;03  442678k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Bxb4 Bh6 Bf8 Rxf7 
                              Kxf7 Rf1+ Ke7 Bg5+ Kd7 Rf7+ 
26     +3.07   01&#58;08  483951k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Rc4 Qg3 
                              Qxg3 Bxg3 Rd7 a3 Bd8 Ne1 Bb6 Rf3 Rc1 Bf4 Rcd1 Nc2 
                              R7d3 Bg5 Rxf1+ Rxf1 Rc3 Rc1 Kf8 h3 
27  >  +3.23   01&#58;26  619120k b4 Na4 Rd3 Bf8 Rh3 Qc4 Rd1 g6 Qh4 Bg7 Bg5 Re8 Bf6 
                              Bxf6 exf6 
27     +3.07   01&#58;32  661113k b4 Ne4 Rde1 Nf2+ Rxf2 Qxc3 Nc2 Qd3 Ref1 Qe4 Qe2 
                              Qxe2 Rxe2 Rc4 g3 Bxb4 Nxb4 Rxb4 Rc2 Rdd4 Kg2 Rbc4 
                              Rxc4 Rxc4 Kf3 Kf8 Rf2 Ke7 Be3 f6 exf6+ gxf6 h4 
                              Rc3 
27  >  +3.39   02&#58;27    1072M Rf3 Ne4 Rdf1 g5 Rh3 Kg7 Bg3 Nxg3+ hxg3 Rh8 
27     +3.60   03&#58;13    1419M Rf3 b4 Re1 g6 Bh6 Rd5 Ref1 Bf8 Qh4 f5 Bxf8 Rxf8 
                              cxb4 Qh7 Qf4 Rfd8 Nxf5 exf5 bxc5 Rxc5 Rg3 Qg7 Qg5 
                              Rdc8 Qxg6 Qxg6 Rxg6+ Kf7 Rf6+ Ke7 R6xf5 Rc2 Rf7+ 
                              Ke6 R7f6+ Kxe5 Rxa6 Rd2 g4 Rcc2 Rf5+ Ke4 Re6+ Kd4 
                              Rd6+ Ke4 Rxd2 Rxd2 
28     +3.35   04&#58;05    1822M Rf3 b4 Re1 g6 Bh6 Rd5 Ref1 Bf8 Qh4 f5 Bxf8 Rxf8 
                              cxb4 Qh7 Qf4 Rfd8 Nxf5 exf5 bxc5 Rxc5 Rg3 Qg7 Qg5 
                              Rdd5 Qxg6 Qxg6 Rxg6+ Kf7 Rxa6 Rxe5 g4 Ke7 gxf5 
                              Rxf5 Rxf5 Rxf5 Kg2 Kd7 h4 Rf4 
29  >  +3.88   07&#58;28    3440M Rf3 Rd7 Re1 g6 b4 Na4 Bh6 Bd8 Ref1 Qxe5 Rxf7 Rxf7 
                              Qxg6+ Qg7 Qxe6 Qxh6 Qxf7+ 

Nodes&#58; 4046885823
Nodes/second&#58; 7715628
Best move&#58; Rf3
Ponder move&#58; Rd7
yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: Test Position: Bring the bazooka

Post by yanquis1972 »

had a feeling HIARCS might be good with this one --

[+2.32] d=19 23.Rf3 (0:00:59) 98247kN
[+2.07] d=18 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Bg5 Rd5 27.Rxf7 Qxf7 28.Rxf7 Kxf7 29.g3 c2 (0:00:27) 44115kN
[+2.31] d=17 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Bg5 Rd5 27.Rxf7 Rd7 28.R7f3 Qxe5 29.Nc6 Qd5 30.Qh4 Ne4 31.Ne7 (0:00:15) 24423kN
[+2.07] d=16 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Bg5 Rd5 27.Rxf7 Rd7 28.Rxd7 Qxd7 29.Rf3 c2 30.Bc1 Be7 31.Rg3 Bf8 32.b4 Na4 33.Qxe6 Qxe6 34.Nxe6 Bxb4 35.Rxg7 Kh8 36.Rb7 Bc3 37.Bf4 (0:00:06) 10238kN
[+2.10] d=15 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Bg5 Rd5 27.Rxf7 Qxf7 28.Rxf7 Kxf7 29.h4 (0:00:04) 6367kN
[+1.85] d=14 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Rxf7 Rd7 27.Rxd7 Qxd7 28.Be3 Nd3 29.Qe4 Nb4 30.Kg1 Nxa2 31.Qg6 Bc5 (0:00:02) 3596kN
[+2.06] d=13 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Bf8 26.Rxf7 Rd7 (0:00:01) 2379kN
[+2.05] d=13 23.Rf3 (0:00:01) 2111kN
[+1.80] d=12 23.Rf3 b4 24.Rdf1 bxc3 25.Bh6 Qxe5 26.Rxf7 Rxd4 (0:00:01) 1482kN
[+1.80] d=12 23.Rf3 (0:00:00) 1346kN
[+1.55] d=11 23.Rf3 b4 24.Rdf1 bxc3 (0:00:00) 1128kN
[+1.54] d=11 23.Rf3 (0:00:00) 812kN
[+1.53] d=11 23.Bg3 Bf8 24.Qh4 g6 (0:00:00) 714kN
yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: Test Position: Bring the bazooka

Post by yanquis1972 »

DR4:

[+2.98] d=20 23.Rf3 b4 24.Re1 g6 25.Bh6 Rd5 26.Ref1 Qxe5 27.Rxf7 Qh5 28.Qxh5 Rxh5 29.Rg7 Kh8 30.Rxe7 Rxh6 31.cxb4 Ne4 32.Kg1 Nc3 33.a3 Rh4 34.Nxe6 Ne2 35.Kf2 Nd4 36.Nxd4 Rxd4 37.Kg1 Rd3 (0:09:16) 162953kN
[+3.03] d=19 23.Rf3 b4 24.Re1 g6 25.Bh6 Rd5 26.Ref1 Qxe5 27.Rxf7 Qh5 28.Qxh5 Rxh5 29.Rg7 Kh8 30.Rxe7 Rxh6 31.cxb4 Rh4 32.Nc6 Ne4 33.Kg1 Nc3 34.g3 Re4 35.Ra7 Nd5 36.a3 Re3 37.Rxa6 Rxb3 38.Nd4 (0:08:00) 138751kN
[+2.60] d=19 23.Rf3 b4 24.Re1 g6 25.Bh6 Rd5 26.Ref1 Qxe5 27.Rxf7 Qh5 28.Qxh5 Rxh5 29.Rxe7 Rxh6 30.cxb4 Rh4 31.bxc5 Rxd4 32.Rxe6 Kg7 33.c6 Rcd8 34.Ree1 Rd2 35.c7 Rc8 36.Re7 Kh6 37.h3 Rxa2 38.Kh2 (0:05:56) 103888kN
[+2.20] d=19 23.Rf3 b4 24.Re1 g6 25.Bh6 Rd5 26.Ref1 Qxe5 27.Rxf7 Qh5 28.Qxh5 Rxh5 29.Rxe7 Rxh6 30.cxb4 Rh4 31.bxc5 Rxd4 32.Rxe6 Kg7 33.c6 Rcd8 34.Ree1 Rd2 35.c7 Rc8 36.Re7 Kh6 37.h3 Rxa2 38.Kh2 (0:05:14) 93356kN
[+2.05] d=19 23.Rf3 b4 24.Re1 g6 25.Bh6 Rd5 26.Ref1 Qxe5 27.Rxf7 Qh5 28.Qxh5 Rxh5 29.Rxe7 Rxh6 30.cxb4 Rh4 31.bxc5 Rxd4 32.Rxe6 Kg7 33.c6 Rcd8 34.Ree1 Rd2 35.c7 Rc8 36.Re7 Kh6 37.h3 Rxa2 38.Kh2 (0:04:59) 89488kN
[+2.04] d=19 23.b4 Ne4 24.Rde1 Nf2 25.Rxf2 Qxc3 26.Nc2 Qd3 27.Qf3 Qg6 28.Qg3 Qh5 29.a3 Bh4 30.Qh3 Qh7 31.Bg3 Bxg3 32.Qxh7 Kxh7 33.hxg3 Kg6 34.Kh2 Rh8 35.Kg1 Rhd8 36.Re4 Rc4 37.Ref4 Rd3 38.Kf1 (0:04:24) 78793kN
[+1.93] d=18 23.b4 Ne4 24.Rde1 Qc4 25.Bh6 Bf8 26.Qxe4 gxh6 27.Rf3 Bg7 28.Qg4 Kh7 29.Rxf7 Rg8 30.Rf3 Rce8 31.Qe4 Kh8 32.Qc2 Re7 33.Kg1 Rc8 34.Qb3 Qc7 35.Rfe3 Qd7 36.Rd1 Kg8 (0:02:49) 49900kN
[+1.87] d=18 23.b4 Na4 24.Rd3 Bf8 25.Rh3 (0:02:23) 41584kN
[+1.72] d=18 23.Rfe1 g6 24.Re3 Rd5 25.Rf1 Qd8 26.Ref3 Rxd4 27.cxd4 Qxd4 28.h3 Rd8 29.Bh6 Qxg4 30.hxg4 Ne4 31.Kh2 Bg5 32.Bxg5 Nxg5 33.Rc3 Rd2 34.a3 Ra2 35.b4 Kg7 36.Re1 Rd2 37.Kg3 Rd4 38.Rc7 (0:01:53) 32586kN
[+1.72] d=18 23.Rfe1 g6 24.Re3 Rd5 25.Rf1 Qd8 26.Ref3 Rxd4 27.cxd4 Qxd4 28.h3 Rd8 29.Bh6 Qxg4 30.hxg4 Ne4 31.Kh2 Bg5 32.Bxg5 Nxg5 33.Rc3 Rd2 34.a3 Ra2 35.b4 Kg7 36.Re1 (0:01:52) 32225kN
[+1.60] d=17 23.Rfe1 g6 24.Re3 Rd5 25.Rf1 Qd8 26.Ref3 Rxd4 27.cxd4 Qxd4 28.h3 Rd8 29.Bh6 Qxg4 30.hxg4 Ne4 31.Kh2 Bg5 32.Bxg5 Nxg5 33.Rc3 Rd2 34.a3 Ra2 35.b4 Kg7 36.Re1 Rd2 (0:01:11) 20243kN
[+1.64] d=17 23.Rfe1 g6 24.Re3 Rd5 25.h4 Kh8 26.Rf1 Rg8 27.h5 g5 28.Bg3 Rg7 29.h6 Rh7 (0:01:11) 20099kN
[+1.49] d=17 23.Rfe1 g6 24.Re3 Rd5 25.h4 Kh8 26.Rf1 Rg8 27.h5 g5 28.Bg3 Rg7 29.h6 Rh7 (0:00:54) 15708kN
[+1.37] d=16 23.Rfe1 g6 24.h4 Kg7 25.h5 Rh8 26.h6 Kg8 27.Kg1 Qb7 28.Re3 Ne4 29.Qf3 Nc5 30.Qh3 Kh7 31.b4 Na4 32.Rg3 Nb2 33.Rf1 Nc4 34.Qg4 (0:00:36) 10229kN
[+1.43] d=15 23.Rfe1 g6 24.h4 Kg7 25.h5 Rh8 26.h6 Kh7 27.Bg5 Bxg5 28.Qxg5 Qb7 29.Qf4 g5 30.Qf6 Rhg8 31.Nf3 Ne4 32.Rxe4 Qxe4 33.Nxg5 Rxg5 34.Qxg5 Qg6 (0:00:34) 9454kN
[+1.44] d=15 23.Rfe1 Rb8 24.Re3 Rd5 25.Bh6 Bf8 26.Rf1 b4 27.Bxg7 Bxg7 28.Rg3 Qxe5 29.Nc6 f5 30.Ne7 (0:00:28) 7868kN
[+1.32] d=14 23.Rfe1 Rb8 24.Re3 Rd5 25.Rd2 b4 26.Rg3 g6 27.Nxe6 Nxe6 28.Rxd5 bxc3 29.Bc1 c2 30.Qe2 Rb4 31.Qxa6 Nf4 32.e6 fxe6 33.Rd2 Kg7 34.h3 Kg8 (0:00:09) 2453kN
[+1.36] d=14 23.Rfe1 Rb8 24.Re3 Rd5 25.Rf3 b4 26.c4 Rd7 27.Rh3 g6 28.Bg5 Bxg5 29.Qxg5 Ne4 30.Qf4 f5 31.Rh6 g5 (0:00:08) 2395kN
[+1.24] d=13 23.Rfe1 Rb8 24.Re3 Rd5 25.Rf3 b4 26.Bh6 Qxe5 27.Rg3 g5 28.Nc6 Ne4 29.Nxe5 Rxd1 30.Qxd1 Nf2 31.Kg1 Nxd1 32.Bxg5 (0:00:03) 957kN
[+1.24] d=13 23.Rfe1 Rb8 24.Re3 Rd5 25.Rf3 Rb7 26.Rdf1 Bd8 27.Re1 Qe7 28.Bh6 g6 (0:00:03) 886kN
PK
Posts: 893
Joined: Mon Jan 15, 2007 11:23 am
Location: Warsza

Re: Test Position: Bring the bazooka

Post by PK »

FEN: 2rr2k1/2q1bpp1/p3p3/1pn1P3/3N1BQ1/1PP2R2/P5PP/3R3K b - - 1 23

Glass gets it, forgets it and gets again:

5 00:00 14.073 246.894 +0.96 Rf1f3 Be7f8 Qg4h5 Nc5e4 Bf4d2
5 00:00 25.513 300.152 +1.12 Bf4g3 Rd8f8 c3c4 b5xc4 b3xc4
6 00:00 40.807 331.764 +1.13 Bf4g3 Rd8f8 c3c4 Qc7a5 c4xb5 a6xb5
7 00:00 99.253 362.237 +1.05 Bf4g3 Rd8f8 c3c4 Qc7a5 Rf1f2 b5xc4 b3xc4
8 00:01 430.863 374.989 +1.25 Bf4g3 Qc7b7 Qg4h5 g7g6 Qh5h3 Nc5e4 Bg3e1 a6a5
9 00:03 1.267.864 407.411 +1.17 Bf4g3 Rd8f8 Kh1g1 Nc5b7 Qg4f3 Be7c5 Bg3f4 Bc5xd4+ c3xd4 Qc7c6
10 00:08 3.569.473 417.531 +1.25 Bf4g3 Qc7b7 Rf1f4 Qb7d5 Rd1f1 Rd8f8 Qg4h5 g7g6 Rf4g4 Nc5d3
11 00:15 6.445.359 416.905 +1.17 Bf4g3 Qc7b7 Rf1f4 Rd8d7 Kh1g1 Be7d8 Bg3h4 Qb7d5 Bh4xd8 Rc8xd8 Qg4h5
11 01:06 27.028.149 404.153 +1.40 Rf1f3 Rd8d7 Rd1f1 Qc7b7 Qg4h5 g7g6 Qh5h6 Be7f8 Qh6h3 Nc5e4 Kh1g1
11 01:07 27.077.769 404.188 +1.40 Rf1f3 Rd8d7 Rd1f1 Qc7b7 Qg4h5 g7g6 Qh5h6 Be7f8 Qh6h3 Nc5e4 Kh1g1
User avatar
M ANSARI
Posts: 3707
Joined: Thu Mar 16, 2006 7:10 pm

Re: Test Position: Bring the bazooka

Post by M ANSARI »

Problem here is that there are several strong continuations which also lead to a large evaluation jump. R4 on 8 cores has no problems though

New game
2rr2k1/2q1bpp1/p3p3/1pn1P3/3N1BQ1/1PP5/P5PP/3R1R1K w - - 0 1

Analysis by Deep Rybka 4 x64:

1.Rfe1 Nd7 2.Re3 Bc5 3.Rg3 g6 4.Nxe6
+/- (0.89) Depth: 6 00:00:00 8kN
1.Rfe1 Bf8 2.Re3 Rd5 3.Qe2 Be7 4.Rh3 Rcd8 5.b4 Na4
+/- (0.97) Depth: 7 00:00:00 14kN
1.Rf3 Rd7 2.Rg3 g6 3.Qf3 Rd5 4.Qe2 Nd7 5.Re3
+/- (1.01 !) Depth: 7 00:00:00 18kN
1.Rf3 Rd7 2.Rg3 g6 3.Qf3 Rd5 4.Qe2 Nd7 5.Re3 Nc5 6.c4 bxc4
+/- (1.01) Depth: 7 00:00:00 18kN
1.Rf3 Rd7 2.Re1 Qd8 3.Bh6 Bf8 4.Ref1 Qc7 5.b4 Kh8
+/- (1.03) Depth: 8 00:00:00 35kN
1.Rf3 b4 2.Rdf1 bxc3 3.Bg3 Rf8 4.Rxc3 Qb8 5.Kg1 Qb4 6.Rc4 Qd2 7.b4
+/- (1.00) Depth: 9 00:00:00 77kN
1.Rf3 b4 2.Rdf1 bxc3 3.Bg3 Rf8 4.Rxc3 Qb8 5.Kg1 Qb4 6.Be1 Qa3 7.Rf2 Qb4
+/- (1.03) Depth: 10 00:00:00 121kN
1.Rf3 b4 2.c4 Rd7 3.Rff1 Rcd8 4.Be3 Qb7 5.Qh5 g6 6.Qg4 Ne4 7.Qf3
+/- (1.03) Depth: 11 00:00:00 213kN
1.Rf3 b4 2.Rdf1 bxc3 3.Bh6 Bf8 4.Rxf7 Qxf7 5.Rxf7 Kxf7 6.Bg5 Rd5 7.b4 Rb8 8.Be3 Rxb4 9.Qf3+ Kg8 10.Nxe6
+/- (1.04) Depth: 12 00:00:00 298kN
1.Rf3 b4 2.c4 Rd7 3.Rff1 Rcd8 4.Be3 Qb7 5.Qh5 g6 6.Qg4 Qe4 7.Qf3 Qxf3 8.Rxf3 Ne4 9.Kg1
+/- (1.00) Depth: 13 00:00:00 497kN
1.Rfe1 Bf8 2.Re3 g6 3.Rh3 Ne4 4.Qh4 Bg7 5.Rf1 Re8 6.Qh7+ Kf8 7.Bh6 Qxe5 8.Rhf3 f5 9.Qxg6 Bxh6 10.Nxf5
+/- (1.16 !) Depth: 13 00:00:02 1064kN
1.Rfe1 Bf8 2.Re3 g6 3.Rh3 Be7 4.Rf1 Ne4 5.Rhf3 g5 6.h4 Rd7 7.Bxg5 Nxg5 8.hxg5 Qxe5 9.Rxf7 Bd6 10.Qh5 Rxf7 11.Qxf7+ Kh8 12.Qh5+ Kg8 13.Qg6+ Kh8 14.Qh6+ Kg8 15.Nxe6 Qxc3 16.Qg6+
+/- (1.31 !) Depth: 13 00:00:04 1838kN
1.Rfe1 Qd7 2.Bh6 Bf8 3.Bg5 Re8 4.Bf6 Qc7 5.Re3 Nd7 6.b4 Nxf6 7.exf6 g6
+/- (1.31) Depth: 13 00:00:04 2108kN
1.Rfe1 g6 2.h4 Kh7 3.h5 Rg8 4.Kg1 Nd7 5.Bd2
+/- (1.36) Depth: 14 00:00:07 3056kN
1.Rfe1 g6 2.h4 Kg7 3.h5 Rh8 4.h6+ Kh7 5.Re3 Qb7 6.Kg1 Kg8
+- (1.42) Depth: 15 00:00:10 4657kN
1.Rfe1 g6 2.h4 Kg7 3.h5 Rh8 4.h6+ Kh7 5.Re3 Qb7 6.Kg1 Kg8 7.Qg3 Qd5 8.b4 Na4 9.Rd2 Qc4
+/- (1.40) Depth: 16 00:00:12 5599kN
1.Rf3 b4 2.Re1 bxc3 3.Bh6 Bf8[] 4.Bxg7 Rxd4 5.Qxd4
+- (1.54 !) Depth: 16 00:00:25 11535kN
1.Rf3 b4 2.Re1 bxc3 3.Bh6
+- (1.69 !) Depth: 16 00:00:28 12704kN
1.Rf3 b4 2.Re1 bxc3 3.Bh6
+- (2.09 !) Depth: 16 00:00:39 17226kN
1.Rf3 a5 2.Re1 Rd5 3.Bh6 g6[] 4.Ref1 Qxe5 5.Rxf7 Qh5[] 6.Qxh5 Rxh5 7.Rg7+ Kh8[] 8.Rxe7 Rxh6[] 9.Nxb5 Rh7 10.Rxh7+ Kxh7 11.Rf7+ Kh6 12.Ra7 a4 13.Nd6 Rf8 14.Nf7+ Kg7 15.Ng5+ Kg8 16.Kg1
+- (2.48) Depth: 16 00:01:22 37723kN
1.Rf3 a5 2.Re1 Rd5 3.Rh3 g6 4.Bg5 Rxd4 5.cxd4 Ne4 6.Bh4 Nc3 7.Rc1 b4 8.Be1 a4 9.Bxc3
+- (2.60 !) Depth: 17 00:01:38 45409kN
1.Rf3 a5 2.Re1 Rd5 3.Rh3 g6 4.Bg5 Rxd4 5.cxd4 Ne4 6.Bh4
+- (2.75 !) Depth: 17 00:01:48 48852kN
1.Rf3 a5 2.Re1[] Rd7 3.Nxb5 Qb8 4.Nd6 Bxd6 5.exd6 f5 6.Qg6 Rf8 7.Rh3 Ne4 8.Qxe6+ Rdf7 9.Re2 Qe8 10.Qxe8 Rxe8 11.Rhe3 Rd8 12.g4 Rff8 13.Rd3 Nc5 14.Rd5
+- (3.13) Depth: 17 00:02:41 72265kN

(, Microsoft 07.06.2010)
yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: Test Position: Bring the bazooka

Post by yanquis1972 »

M ANSARI, provided you don't have large pages set (unless you know a way of clearing hash in CB GUI without unloading the engine) could you run that position a few times and see if d16 is normal on 8 cores? my latest run (4CPU) has d18 & this is without any latching onto b4 as can be the case.

i'm curious because while i noticed no advantage in 'luck' with 12 cores perhaps there is more than mere processing power/scaling to an 8+ core advantage.
yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: Test Position: Bring the bazooka

Post by yanquis1972 »

Analysis by Rybka 4 x64:

1.Bg3 Qb7 2.Kg1 Rf8 3.Rf4 Qd5 4.Qe2 Nd7 5.Rf3 Rfd8
+/- (0.91 ++) Depth: 6 00:00:00 3kN
+/- (0.84) Depth: 7 00:00:00 5kN
1.Rf3 b4 2.c4 Rd7 3.Bg3 Qb7 4.Bh4 Bxh4 5.Qxh4 Qe4 6.Rh3 Qxh4 7.Rxh4 Rcd8 8.Kg1
+/- (0.99) Depth: 7 00:00:00 15kN
+/- (1.04) Depth: 9 00:00:00 57kN
1.Bg3 Rf8 2.Rf3 Qd7 3.Rdf1 Qd5 4.Re3 f6 5.exf6 Rxf6 6.Rd1 Rf7 7.Nxe6 Nxe6 8.Rxe6 Qg5 9.Qxg5 Bxg5 10.h4 Bf6 11.Rxa6 Rxc3 12.Kh2 Re7
+/- (0.96) Depth: 10 00:00:01 128kN
+- (1.71) Depth: 19 00:06:30 43717kN
1.Rf3 b4 2.Re1[] bxc3 3.Bh6 Bf8 4.Bxg7
+- (1.83 ++) Depth: 19 00:09:45 65855kN
+- (2.38 ++) Depth: 19 00:13:45 88660kN