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Subject: Re: How many engines select Qb4?

Author: Ingo Bauer

Date: 12:27:47 11/13/04

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Hello

I dont know how many Engines are selecting this move but S8 without any
"special" setting is! (XP@2200MHz - 256 MB Hash)


[D]2r4k/pb2q2P/1p6/3Pp3/4p3/1P2R3/PBrQ2PP/5RK1 w - -

Engine: Shredder 8 (256 MB)
by Stefan Meyer-Kahlen

10/33  0:01   -0.13    1.d6 Qg7 2.Qxc2 Rxc2 3.Rg3 Qxg3
                       4.hxg3 e3 5.Bxe5+ Kxh7 6.Rf7+ Kg6 (591.410) 457

10/33  0:01   -0.12++  1.Qb4 Rxg2+ 2.Kxg2 Rc2+ 3.Kg1 Rxb2
                       4.Qxe7 Rxa2 (886.493) 460

10/33  0:01   +0.23++  1.Qb4 Rxg2+ 2.Kxg2 Rc2+ 3.Kg1 Rxb2
                       4.Qxe7 Rxa2 (913.010) 460

10/33  0:04   +7.65    1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxg7 5.Rxe4 Rc1+ 6.Kf2 Rc2+
                       7.Ke3 Rxe4+ 8.Qxe4 Re2+ 9.Kxe2 Kf7
                       10.h8Q (2.106.304) 454

11/33  0:05   +7.90++  1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxg7 5.Rxe4 Rc1+ 6.Kf2 Rc2+
                       7.Ke3 Rxe4+ 8.Qxe4 Re2+ 9.Kxe2 Kf7
                       10.h8Q Ba6+ 11.Kd1 (2.459.317) 451

11/36  0:05   +8.40++  1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxg7 5.Rxe4 Rc1+ 6.Kf2 Rc2+
                       7.Ke3 Rxe4+ 8.Qxe4 Re2+ 9.Kxe2 Kf7
                       10.h8Q Ba6+ 11.Kd1 (2.645.581) 452

11/36  0:07   +9.43    1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Rxe4 Rxg2+ 6.Kf1 Rxg7
                       7.Rxe8 Rf7+ 8.Ke2 Bxd5 (3.547.018) 450

12/37  0:11   +9.68++  1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Rxe4 Rxg2+ 6.Kf1 Rxg7
                       7.Rxe8 Kh6 8.Re7 Bxd5 9.Rxa7 (4.717.062) 422

12/37  0:13   +9.96    1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Rxe4 Rc1+ 6.Kf2 Rxe4
                       7.Qxe4+ Kxg7 8.Qg4+ Kh6 9.Qf4+ Kg6
                       10.Qxc1 Bxd5 (5.681.579) 427

13/39  0:19   +10.02   1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Rxe4 Rc1+ 6.Kf2 Rxe4
                       7.Qxe4+ Kxg7 8.Qg4+ Kh6 9.Qf4+ Kg6
                       10.Qxc1 Bxd5 (8.468.178) 424

14/43  0:35   +10.27++ 1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Bc3 Rc1+ 6.Kf2 Bc8
                       7.Rxe4 Kh6 8.Rxe8 Kg6 9.Rxc8 Rxc3
                       10.Qxc3 (15.227.140) 427

14/43  0:40   +10.77++ 1.Qb4 Re8 2.Rf8+ Qxf8 3.Bxe5+ Qg7
                       4.Bxg7+ Kxh7 5.Bc3 Rc1+ 6.Kf2 Bc8
                       7.Rxe4 Kh6 8.Rxe8 Kg6 9.Rxc8 Rxc3
                       10.Qxc3 (17.519.939) 428

14/46  1:37   +13.75   1.Qb4 R2c5 2.Rxe4 a5 3.Rxe5 axb4
                       4.Rxe7+ Rc3 5.Rxb7 Rd8 6.Rff7 Rdc8
                       7.Rbc7 R8xc7 8.Rxc7 b5 9.Bxc3+ bxc3 (43.875.664) 451

15/44  2:00   +14.00++ 1.Qb4 R2c5 2.Rxe4 a5 3.Rxe5 axb4
                       4.Rxe7+ Rc3 5.Rxb7 Rd8 6.Rff7 Rdc8
                       7.Rbc7 Rg8 (54.229.572) 450

15/45  2:14   +14.50++ 1.Qb4 R2c5 2.Rxe4 a5 3.Rxe5 axb4
                       4.Rxe7+ Rc3 5.Rxb7 Rd8 6.Rff7 Rdc8
                       7.Rbc7 R8xc7 8.Rxc7 b5 9.Bxc3+ bxc3
                       10.Rxc3 b4 11.Rc7 (60.627.383) 450

15/47  3:46   +15.56   1.Qb4 Qg7 2.Rg3 R2c5 3.Rxg7 Bxd5
                       4.Bxe5 Bxb3 (104.734.922) 462

16/48  4:20   +15.56   1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qxc8 Bf7 9.Qd7 b5 (119.610.587) 458

17/49  6:03   +15.81++ 1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qxc8 Bf7 9.Qd7 b5
                       10.Qxa7 Kg6 11.Qb6+ (166.687.736) 458

17/51  6:57   +16.31++ 1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qxc8 Bf7 9.Qd7 Kh7 (191.604.661) 459

17/51  8:33   +16.96   1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qg4+ Kh7 9.Qd7+ Kg6
                       10.Qxc8 Bxb3 11.Rxb3 (241.165.021) 469

18/53  14:20  +17.21++ 1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qg4+ Kh7 9.Qd7+ Kg6
                       10.Qxc8 Bxb3 11.Rxb3 (417.515.925) 485

18/53  16:37  +17.71++ 1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Bxd5 6.Qxe5+ Kxh7
                       7.Qf5+ Kg7 8.Qg4+ Kh7 9.Qd7+ Kg6
                       10.Qxc8 Bxb3 11.Rxb3 (484.008.885) 485

18/53  29:08  +20.89   1.Qb4 Qg7 2.Rg3 Qxg3 3.hxg3 Rxb2
                       4.Qe7 Rb1 5.Rxb1 Ba6 6.d6 Bb5
                       7.Qxe5+ Kxh7 8.Qxe4+ Kh6 9.Qe6+ Kg7
                       10.Qxc8 a6 11.Rf1 Bxf1 12.Qc7+ Kf6
                       13.Kxf1 (858.603.991) 491

best move: Qd2-b4 time: 29:19.500 min  n/s: 491.269  CPU 97.9%   n/s(1CPU):
501.806  nodes: 864.383.665

Convinving score, isn't it?

Bye
Ingo


>Fritz 8 and Crafty 19.17 select this move, HIARCS 6 "d6", Anaconda 162 "Bb2-a3"
>
>
>Zukertort,J (2600) - Blackburne,J (2570) [A13]
>GCG_004 London, 1883
>[Fritz 5.00 (30s)]
>
>1.c2-c4 e7-e6 Opening = A13 - Reti Eröffnung /Reti Opening 2.e2-e3 Ng8-f6
>3.Ng1-f3 b7-b6 4.Bf1-e2 Bc8-b7 5.0-0 d7-d5N [5...Bf8-e7 6.d2-d4 c7-c5 7.Nb1-c3
>c5xd4 8.Nf3xd4 0-0 9.b2-b3 a7-a6 10.Bc1-b2 Qd8-c7 11.Ra1-c1 d7-d6 12.Be2-f3
>Nb8-d7 13.Bf3xb7 Qc7xb7 14.Qd1-f3 Qb7xf3 ½-½ Grathwohl,R-Wohlfahrt,H/BL2-S
>1995/BL2] 6.d2-d4 Bf8-d6 [6...Bf8-d6] 7.Nb1-c3 0-0 8.b2-b3 Nb8-d7 9.Bc1-b2
>Qd8-e7 10.Nc3-b5 Nf6-e4² [10...d5xc4 11.b3xc4 e6-e5 12.Nb5xd6 c7xd6 13.Bb2-a3=]
>11.Nb5xd6= [11.c4xd5 e6xd5 12.Ra1-c1 c7-c5²] 11...c7xd6 12.Nf3-d2 Nd7-f6
>13.f2-f3 Ne4xd2 14.Qd1xd2 d5xc4 15.Be2xc4 d6-d5 16.Bc4-d3 Rf8-c8 17.Ra1-e1
>Rc8-c7 18.e3-e4 Ra8-c8 19.e4-e5 Nf6-e8 20.f3-f4 g7-g6 21.Re1-e3 f7-f5 22.e5xf6
>Ne8xf6 23.f4-f5 Nf6-e4 [23...g6xf5? 24.Bd3xf5 Rc7-c6 25.Qd2-e1+-] 24.Bd3xe4
>d5xe4 25.f5xg6³ [25.f5-f6!? Qe7-f7 26.Re3-c3=] 25...Rc7-c2 26.g6xh7+ Kg8-h8
>27.d4-d5+ e6-e5 1-0



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