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Up Topic The Rybka Lounge / Test Positions / middle game, passed pawn
- - By mdt (**) Date 2010-12-30 22:49
r4bk1/1p1Qrppp/1B4q1/P1PP4/4p3/7P/4B1P1/1R5K w - - 0 32

32. Qb5  ~+0.20 (unless Qb5 Re5 Qd7 transposition)
32. Qa4  ~+0.60
32. Qg4! ~+1.50

variation from:
[Event "Ch World (match) (PCA)"]
[Date "1995.01.10"]
[White "Viswanathan Anand"]
[Black "Garry Kasparov"]
[Result "1-0"]

31... Re7 instead of Rg5
Parent - - By dragon49 (****) Date 2011-01-18 04:08
New game
r4bk1/1p1Qrppp/1B4q1/P1PP4/4p3/7P/4B1P1/1R5K w - - 0 1


Analysis by Stockfish 2.0 JA 64bit:

1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6
  -/+  (-0.72)   Depth: 6/7   00:00:00  3kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 Bd6
  -/+  (-0.96 --)   Depth: 7/8   00:00:00  3kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5
  -/+  (-1.21 --)   Depth: 7/8   00:00:00  5kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5
  -/+  (-1.21)   Depth: 7/8   00:00:00  5kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5 5.Be2 Bc5 6.Bc4+ Kf8 7.Kh2
  -/+  (-1.17)   Depth: 8/13   00:00:00  13kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5 5.Be2 Bc5 6.Bc4+ Kf8 7.Bc7
  -/+  (-0.88 !)   Depth: 9/13   00:00:00  30kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.a6 Rxa6 4.Bc8 Ra8 5.Bxb7 Ra2
  -/+  (-0.96)   Depth: 9/13   00:00:00  35kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.a6 bxa6 4.d6 Rd5 5.Rd1 Rxd1+ 6.Bxd1 Rb8 7.d7 Be7 8.Kh2
  -/+  (-1.09)   Depth: 10/15   00:00:00  49kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.a6 bxa6 4.d6 Rd5 5.Rd1 Rxd1+ 6.Bxd1 Rb8 7.d7 Be7 8.Kh2
  -/+  (-0.84 !)   Depth: 11/15   00:00:00  61kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Rb4 Re8 5.Bb5 Ree5 6.a6 bxa6 7.Bxa6 Rd2
  -/+  (-0.96)   Depth: 11/15   00:00:00  183kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5 5.Be2 Kf7 6.c7 Kf6 7.Ba6 Ree8 8.Bb7 Ke6
  -/+  (-0.84)   Depth: 12/16   00:00:00  220kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5 5.Be2 Kf7 6.c7 Kf6 7.Ba6 Ree8 8.Bb7 Bd6 9.a6
  -/+  (-0.76)   Depth: 13/17   00:00:00  263kN
1.Qg4 Qxg4 2.Bxg4 Re5 3.c6 bxc6 4.dxc6 f5 5.Be2 Kf7 6.c7 Bd6 7.Ba6 Ree8
  -/+  (-0.92 --)   Depth: 14/14   00:00:00  488kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd4 5.c6 Rxc4 6.cxb7 Rb8 7.d7 Be7 8.a6 Ra4 9.Bc7
  =/+  (-0.60 !)   Depth: 14/17   00:00:00  845kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd4 5.c6 Rxc4 6.cxb7 Rb8 7.d7 Be7 8.a6 Ra4 9.Bc7
  =/+  (-0.44 !)   Depth: 14/17   00:00:00  961kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd4 5.c6 Rxc4 6.cxb7 Rb8 7.d7 Be7 8.a6 Ra4 9.Bc7 Rxa6 10.Bxb8 Ra2
  =/+  (-0.32)   Depth: 14/20   00:00:00  1054kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Bc7 Re5 5.Bb6
  =  (0.00)   Depth: 15/9   00:00:00  1875kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Rg6 5.Kf2 Bxd6 6.cxd6 Rxd6 7.Ke3 Rc8 8.Rb4
  +/=  (0.56 !)   Depth: 16/15   00:00:01  3734kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd2 5.a6 bxa6 6.Rf1 Rd4 7.Bxf7+ Kh8 8.Bc7 a5 9.Kg1 Rd2 10.Re1 a4 11.Rxe4 a3 12.Be6
  +/=  (0.64)   Depth: 16/23   00:00:01  5256kN
1.Qg4 Qxg4 2.hxg4 g5 3.d6 Re6 4.Bc4 Rh6+ 5.Kg1 Bxd6 6.cxd6 Rxd6 7.Re1 Re8 8.Bc5 Rd2 9.Be3 Rc2 10.Bd5 Re5 11.Bxb7 Rxa5 12.Bb6 Raa2 13.Bxe4
  +/-  (0.76)   Depth: 17/25   00:00:02  10233kN
1.Qg4 Qxg4 2.hxg4 h6 3.d6 Re5 4.Rd1 Rg5 5.a6 bxa6 6.d7 Bxc5 7.d8Q+ Rxd8 8.Bxd8 Rg6 9.Rd7 Kf8 10.Bh4 Kg8 11.Rd8+ Kh7 12.Re8 e3 13.Bd3
  +/-  (0.72)   Depth: 18/25   00:00:03  16112kN
1.Qg4 Qxg4 2.hxg4 h6 3.d6 Re5 4.Rd1 Rg5 5.a6 bxa6 6.d7 Bxc5 7.d8Q+ Rxd8 8.Bxd8 Rg6 9.Rd7 Kf8 10.Bh4 Kg8 11.Rd8+ Kh7 12.Re8 e3 13.Bd3
  +/-  (0.84 !)   Depth: 19/25   00:00:03  18257kN
1.Qg4 Qxg4 2.hxg4 h6 3.d6 Re5 4.Rd1 Rg5 5.a6 bxa6 6.d7 Bxc5 7.d8Q+ Rxd8 8.Bxd8 Rg6 9.Rd7 Kf8 10.Bh4 Kg8 11.Rd8+ Kh7 12.Re8 e3 13.Bd3
  +/-  (0.96 !)   Depth: 19/25   00:00:04  20077kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 Rce8 10.a6 bxa6 11.Bxa6 Rd7 12.Bb5
  +/-  (0.88)   Depth: 19/25   00:00:04  22081kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 Rce8 10.Bb6 Re5 11.Bc4 R8e7 12.a6 bxa6 13.Bc7
  +/-  (1.09 !)   Depth: 20/25   00:00:05  27652kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re8 7.Be3 Rd7 8.Bb5 Rd1+ 9.Kh2 Rf8 10.Rxe4 Rd5 11.Bc4 Rxa5 12.Re7 Ra4 13.Bd5 b5 14.Kg3 b4 15.Bc5 Ra5
  +/-  (1.13)   Depth: 20/30   00:00:06  31073kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 h6 10.Rc4 Ra8 11.Bc3 Kh7 12.Rxe4 Rc7 13.Bc4 Kg6 14.Bb4 Rc6 15.Rd4 Re8+ 16.Kf4
  +/-  (1.21)   Depth: 21/31   00:00:09  46286kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 h6 10.Bc4 Rd8 11.Rb5 Red7 12.Be5
  +-  (1.41 !)   Depth: 22/23   00:00:15  79628kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 h6 10.Bc4 Rd8 11.Rb5 Red7 12.Be5 Kf8 13.Kxe4 f6 14.Bb2 Re7+ 15.Kf3 Red7 16.Rb3 Ke8 17.Re3+ Re7
  +-  (1.41)   Depth: 22/34   00:00:15  82318kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 e3 7.Bxe3 Rd7 8.Bb6 h6 9.Kf2 g6 10.Re4 Rc8 11.Be3 Ra8 12.Bxh6 Rxa5 13.Re8+ Kh7 14.Bf4 Kg7 15.g5 Rdd5
  +/-  (1.37)   Depth: 23/30   00:00:18  94805kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 e3 7.Bxe3 Rd7 8.Bb6 h6 9.Kf2 g6 10.Re4 Rc8 11.Be3 Ra8 12.Bxh6 Rxa5 13.Re8+ Kh7 14.Be3 Kg7 15.g5 Ra2 16.Bf4 f5 17.gxf6+ Kf7 18.Rc8 Kxf6
  +-  (1.41)   Depth: 24/36   00:00:21  114mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re6 7.Kf2 Rc8 8.Bd4 Re7 9.Ke3 h6 10.Bc4 Rd7 11.Bb3 Rc1 12.Kxe4 Re1+ 13.Kd3 Ra1 14.Ba4 Ra3+ 15.Kc4 Re7
  +/-  (1.33 --)   Depth: 25/30   00:00:22  122mN
1.Qg4 Qxg4 2.hxg4 Re5
  +/-  (1.25 --)   Depth: 25/30   00:00:23  126mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd2 5.Rf1 Kh8 6.Rxf7 e3 7.d7 e2 8.Bxe2 Rxe2 9.d8Q Rxd8 10.Bxd8 Bxc5 11.Rxb7 Bd6 12.Kg1 Kg8 13.Kf1 Ra2 14.Kg1 Be5
  +/-  (1.09 --)   Depth: 25/30   00:00:25  136mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re8 7.Be3 Rd7 8.Bb5 Rd1+ 9.Kf2 Re7 10.Bc6 Ra1 11.Rxb7 Rxb7 12.Bxb7 Rxa5 13.Bxe4 f6 14.Kf3 h6 15.Kf4 Re5
  +-  (1.45)   Depth: 25/30   00:00:33  180mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re8 7.Kf2 Rc6 8.Bc4 Re7 9.Ke3 Rc8 10.Bd4 Rd7 11.Kxe4 Kf8 12.Bb5 Re7+ 13.Kf3 Re1 14.Bd3
  +-  (1.53 !)   Depth: 26/27   00:00:50  271mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 Re8 7.Kf2 Rc6 8.Bc4 Re7 9.Ke3 Rc8 10.Bd4 Rd7 11.Kxe4 Re8+ 12.Be5 Rd1 13.Kf5 Rc1 14.Bf4 Rc2 15.Bd5 Rc5
  +/-  (1.37 --)   Depth: 26/30   00:00:51  274mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6 Rxd6 6.Rb4 e3 7.Bxe3 Rd7 8.Bb6 h6 9.Bf3 f6 10.Rb5 Re8 11.Rd5 Rde7 12.Bd4 Rf7 13.Rb5 Rd7 14.Bd5+ Kh7 15.Kf2 Kg6 16.Kf3
  +-  (1.49)   Depth: 26/31   00:00:52  283mN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Kg1 Bxd6 5.cxd6
  +-  (1.57 !)   Depth: 27/9   00:01:14  406mN
Parent - By dragon49 (****) Date 2011-01-18 04:15
New game
r4bk1/1p1Qrppp/1B4q1/P1PP4/4p3/7P/4B1P1/1R5K w - - 0 1


Analysis by Deep Rybka 4 SSE42 x64:

1.Qa4 Re5 2.d6 Rg5 3.g4 Rd5 4.Rb4 Qh6 5.Qb3 Qc1+
  =  (-0.12)   Depth: 6   00:00:00  3kN
1.Qa4 Re5 2.d6 Rg5 3.Rg1 Qe6 4.d7 Rd5 5.Rd1 Be7 6.a6 Rxd1+
  =  (-0.02)   Depth: 7   00:00:00  10kN
1.Qa4 Re5 2.d6 Rg5 3.Rg1 Qe6 4.d7 Rd5 5.Rd1 Be7 6.a6 Rxd1+ 7.Qxd1 bxa6
  =  (0.08)   Depth: 8   00:00:00  23kN
1.Qa4 Re5 2.d6 Rg5 3.Rg1 Qe6 4.Bc4 Qe5 5.Qd7 Rf5 6.Qxb7 Re8 7.d7 Re7
  =  (0.20 !)   Depth: 9   00:00:00  73kN
1.Qa4 Re5 2.d6 Rd5 3.Qc2 Rg5 4.Bc4 h6 5.Re1 Re5 6.Qf2 Rf5 7.Qd4
  =  (0.23)   Depth: 9   00:00:00  110kN
1.Qa4 Re5 2.d6 Rd5 3.Qc2 Rg5 4.Bc4 h6 5.Re1 Re5 6.Qf2 Qf6 7.Qxf6
  +/=  (0.35 !)   Depth: 10   00:00:00  173kN
1.Qa4 e3 2.Qb3 Qg5 3.d6 Re6 4.Re1 Qh4 5.Rf1 Qe4 6.d7 Be7 7.Rd1 Rxb6 8.axb6 Qe5 9.Qc4 Bf6
  +/=  (0.36)   Depth: 10   00:00:00  230kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rae8 5.d6
  +/=  (0.27)   Depth: 11   00:00:01  530kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rae8 5.d6
  +/=  (0.27)   Depth: 12   00:00:02  568kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Re5 5.d6 Qg6 6.Qxg6 fxg6 7.Bf3 Rb8 8.Bc7
  +/=  (0.39 !)   Depth: 13   00:00:03  831kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rf4 5.c6 bxc6 6.Bxe3 Rd8 7.Bxf4 Qxf4 8.Qf3 Qe5 9.dxc6 Rxd1+ 10.Bxd1 Bd6 11.g3 Qxa5 12.Kg2 Qe5 13.Qd3 g6
  +/=  (0.47)   Depth: 13   00:00:04  1086kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rf4 5.c6 bxc6 6.Bxe3 Rd8 7.Bxf4 Qxf4 8.Qf3 Qe5 9.dxc6 Rxd1+ 10.Bxd1 Bd6 11.g3 Qxa5 12.Kg2 Qe5 13.Bc2 g6 14.Bb3 Qb2+ 15.Kf1
  +/=  (0.37)   Depth: 14   00:00:05  1482kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rf4 5.c6 bxc6 6.Bxe3 Rd8 7.Bxf4 Qxf4 8.Qf3 Qe5 9.dxc6 Rxd1+ 10.Bxd1 Bd6 11.g3 Qxa5 12.Kg2 Qe5 13.Bc2 g6 14.Bb3 Qb2+ 15.Kf1
  +/=  (0.37)   Depth: 15   00:00:06  1708kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.Qd3 Rf4 5.c6 bxc6 6.Bxe3 Rd8 7.Bxf4 Qxf4 8.Qf3 Qe5 9.dxc6 Rxd1+ 10.Bxd1 Bd6 11.g3 Qxa5 12.Kg2 Qe5 13.Bc2 g6
  +/=  (0.37)   Depth: 16   00:00:19  6117kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.d6 Rf4 5.c6 Rf2 6.Bg4 Qf4 7.Qxe3 Rf1+ 8.Rxf1[] Qxf1+ 9.Qg1[] Qxg1+ 10.Kxg1 bxc6 11.d7 Be7 12.Bf3 Kf8 13.Bxc6
  +/=  (0.49 !)   Depth: 17   00:00:32  9786kN
1.Qa4 e3 2.Qb3 Re4 3.Rd1 Qg5 4.d6 Rf4 5.c6 Rf2 6.Bg4 Qf4 7.Qxe3 Rf1+ 8.Rxf1[] Qxf1+ 9.Qg1[] Qxg1+ 10.Kxg1 bxc6 11.d7 Be7 12.Bf3 Kf8 13.Bxc6 Rb8 14.Kf2 Rxb6 15.axb6 Bc5+
  +/=  (0.64 !)   Depth: 17   00:00:47  13658kN
1.Qa4 Re5 2.d6[] Bxd6 3.Qd4 Re6 4.cxd6 Rxd6 5.Qb2 Rd7 6.Bg4 Re7 7.Qb4 e3 8.Qxe7 Qxb1+ 9.Kh2 Qb5 10.Qxe3
  +/-  (0.97)   Depth: 17   00:02:17  42707kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Bc4 Rh6+ 5.Kg1[] Bxd6 6.cxd6 Rxd6 7.Re1 Rd7 8.Rxe4 Rc8 9.Kf2 h6 10.Ke2 Kh7 11.Rf4 Kg8 12.Kf3
  +/-  (1.04 !)   Depth: 17   00:02:31  46577kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Bc4 Rh6+ 5.Kg1[] Bxd6 6.cxd6 Rxd6 7.Re1 Rd7 8.Rxe4 Rc8 9.Kf2 h6 10.Ke2 Kh7 11.Rf4 Kg8 12.Kf3
  +/-  (1.10)   Depth: 17   00:02:39  48531kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Rd1 Rf6 5.Bc4 e3 6.Re1 Bxd6 7.cxd6 Rxd6 8.Rxe3 Rd7 9.Bb5 Rd5 10.Be2 Rd7 11.Kh2 h6 12.Kg3 g6 13.Bb5 Rd5 14.Bc4 Rd7 15.Bd3 Rc8 16.Kf4
  +/-  (1.18)   Depth: 18   00:02:58  54206kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Rd1 Rf6 5.Bc4 e3 6.Re1 Bxd6 7.cxd6[] Rxd6 8.Rxe3 Rd7 9.Bb5 Rd5 10.Be2 Rd7 11.Kh2 h6 12.Kg3 g6 13.Bb5 Rd5 14.Bc4 Rd7 15.Bd3 Rc8 16.Kf4
  +/-  (1.30 !)   Depth: 19   00:03:48  69025kN
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Rd1 Rf6 5.Bc4 e3 6.Re1 Bxd6 7.cxd6[] Rxd6 8.Rxe3 Rd7 9.Re5 Kh8 10.Kh2 f6 11.Re3 Rc8 12.Be6
  +-  (1.45 !)   Depth: 19   00:05:08  92527kN, tb=2
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Re6 4.Rd1 Rg6 5.Bc4 e3 6.Rf1 Rxg4 7.Bxf7+ Kh8 8.Re1 Rh4+ 9.Kg1[] Rd4 10.Bh5 Bxd6 11.cxd6 Rxd6 12.Rxe3 Rd7 13.Bg4 Rf7 14.Bf3 Raf8 15.Kf2 h6 16.Kg3
  +-  (1.45)   Depth: 19   00:05:11  93373kN, tb=2
1.Qg4 Qxg4 2.hxg4 Re5 3.d6 Rd5 4.Bc4 Rd2 5.Rf1 Kh8 6.Rxf7 Rd4 7.Bb5 Rb4 8.Be2 Rb2 9.Bc4 e3 10.d7 e2 11.Bxe2 Rxe2 12.d8Q Rxd8 13.Bxd8 Bxc5 14.Rxb7 Kg8 15.Kh2 Ra2 16.Kh3
  +/-  (1.38)   Depth: 20   00:06:14  112mN, tb=3
Up Topic The Rybka Lounge / Test Positions / middle game, passed pawn

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