Author: John Merlino
Date: 13:09:39 05/12/04
Go up one level in this thread
On May 12, 2004 at 02:37:56, Will Singleton wrote:
>[d]rn2k1r1/p4ppp/1pp1p3/8/P1NP2Q1/2B3P1/1P6/R3KB1q w Qq - 0 16
>
>This is Amateur-Djinn, from ICC today.
>
>16. O-O-O! Nd7 (16... Qd5 17. Bb4 h5 18. Qh4 +-) 17. d5! cxd5 18. Bh3 Qxd1+ 19.
>Qxd1! dxc4 20. Qd6 {game over}
>
>Djinn didn't play 18...Qxd1 in the game, but then we wouldn't have the
>opportunity to look at 19.Qxd1. And if 16.O-O-O is too hard, then try 17.d5 and
>19.Qxd1.
>
>Here's the position from 17.d5, Amateur, on a p4 2.8ghz:
>
>[d]r3k1r1/p2n1ppp/1pp1p3/8/P1NP2Q1/2B3P1/1P6/2KR1B1q w q - 0 17
>
>12 111 5543 19661523 d5 cxd5 Bh3 Qh2 Nd6 Ke7
>13 109 7269 25641213 d5 cxd5 Bh3 Qh2 Nd6 Ke7 Nxf7 Nc5 Bb4 Re8 Ng5 Kd7 Rxd5 Kc6
>Nf3 Qh1 Rd1
>14 200 19349 67027183 d5 cxd5 Bh3 Qxd1 Qxd1 dxc4 Qd6 Rd8
>
>Note: the move 19.Qxd1 (not Kxd1) is critical in the above line.
Here's what CM_SKR says on an AMD 2500+ for each of the three positions you ask
about:
16. The King is pretty happy with Qf4
Time Depth Score Positions Moves
0:00 1/3 0.85 1823 16.Qf4 f6 17.O-O-O Nd7
0:00 1/4 1.15 4592 16.Qf4 f6 17.O-O-O Nd7 18.Be2
0:00 1/5 1.12 18201 16.Qf4 f6 17.O-O-O Nd7 18.Re1 Kf7
0:00 1/6 0.89 54606 16.Qf4 f6 17.Qg4 Ke7 18.Qf4 Rd8
19.O-O-O
0:01 1/7 1.12 197245 16.Qf4 f6 17.Qc7 Nd7 18.O-O-O Rd8
19.Be2 Qh6+ 20.Bd2 Qh2
0:03 1/8 0.97 711348 16.Qf4 Nd7 17.Nd6+ Ke7 18.Bb4 f6
19.Ne4+ Kd8 20.O-O-O g5
0:07 1/8 1.09 1809117 16.a5 b5 17.Nd6+ Ke7 18.Ne4 Qh6
19.Bb4+ Kd8 20.Bd2 f5
0:10 1/9 1.18 2596916 16.a5 b5 17.Nd6+ Ke7 18.Qf4 Na6
19.Ne4 Rgd8 20.O-O-O Kf8 21.Bxb5
Qxd1+ 22.Kxd1 cxb5
0:20 1/10 1.10 5361855 16.a5 b5 17.Nd6+ Ke7 18.Qf4 Na6
19.Ne4 Rgd8 20.O-O-O f5 21.Bd3 Qh5
0:38 1/10 1.21 10621921 16.Qf4 f6 17.Qc7 Nd7 18.O-O-O Qd5
19.Re1 Rf8 20.Bh3 f5 21.b3 Ke7
1:17 1/11 1.40 21411519 16.Qf4 Nd7 17.Bb4 f6 18.O-O-O c5
19.dxc5 Qh6 20.Qxh6 gxh6 21.c6
Nc5 22.Nd6+ Ke7
3:49 1/12 1.81 64823123 16.Qf4 f6 17.Qc7 Nd7 18.O-O-O Qd5
19.Ne5 Nxe5 20.dxe5 Qf3 21.Qd7+
Kf8 22.Bc4 Qe3+ 23.Bd2 Qxe5 24.Bxe6
17. The King never considers d5, and eventually decides upon Qe2 over Be2
Time Depth Score Positions Moves
0:00 1/3 0.70 2377 17.Qf4 Qh5 18.Bg2 Rc8
0:00 1/4 0.04 6589 17.Qf4 Qh6 18.Qxh6 gxh6 19.Bg2 Rc8
0:00 1/4 0.86 8762 17.Bd3 Nf6 18.Rxh1 Nxg4 19.Rxh7
0:00 1/5 0.63 26279 17.Bd3 Qd5 18.Qf4 Nf6 19.Qc7 Kf8
0:00 1/6 0.86 88813 17.Bd3 Nf6 18.Qxe6+ fxe6 19.Rxh1
Rh8 20.Ne5 Rc8
0:00 1/7 0.70 180997 17.Bd3 Qd5 18.Qf4 Nf6 19.Bb4 Rd8
20.Qc7 Nd7
0:01 1/7 0.78 396603 17.Be2 Qd5 18.Qf4 Nf6 19.Bb4 Rd8
20.Qc7 Nd7 21.Qxa7
0:02 1/8 0.83 642592 17.Be2 Qd5 18.Qf4 Nf6 19.Bb4 Rd8
20.Qc7 Qd7
0:06 1/9 0.99 1756946 17.Be2 Qd5 18.Bb4 Kd8 19.Nd6 Kc7
20.Nxf7 Qf5 21.Bd6+ Kb7 22.Qf4
Qxf4+ 23.Bxf4
0:16 1/10 1.01 4301195 17.Be2 Qd5 18.Bb4 Nf6 19.Qf4 Rd8
20.Nd6+ Rxd6 21.Qxd6 Qxd6 22.Bxd6
Kd7 23.Bf4 Nd5
1:17 1/11 0.98 21299147 17.Be2 Qd5 18.Bb4 Nf6 19.Qf4 Qd7
20.Nd6+ Kf8 21.Nb5+ c5 22.dxc5
Qc6 23.Kb1 bxc5
2:38 1/11 1.26 44917545 17.Qe2 Rd8 18.Bg2 Qh6+ 19.Bd2 Qg6
20.Bxc6 Qxg3 21.Rf1 Rf8 22.Bf4
Qb3 23.Nd6+ Ke7
3:54 1/12 1.29 65222502 17.Qe2 Qd5 18.Bg2 Qg5+ 19.Kb1 O-O-O
20.Bxc6 Kc7 21.d5 Qxg3 22.Qe4 Nf6
23.Be5+ Kc8
19. The King needs 1:36 to switch to Qxd1
0:00 1/3 0.41 625 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Qh4
0:00 1/4 0.24 1939 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Qc7
Ne5+ 22.Bd2
0:00 1/5 0.51 6532 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
Nc5 22.Bg2
0:00 1/6 0.52 21655 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Qc7
a6 22.Kc2
0:00 1/7 0.79 81295 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
Nc5 22.b4 Nd7 23.Qh4
0:00 1/8 0.73 178629 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
Nc5 22.b4 Nd3 23.Qc7 Nf2
0:02 1/9 1.01 727087 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
a5 22.Bg2 Ke7 23.b4 Rc8 24.Qf4 axb4
0:04 1/10 0.97 1269742 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
a5 22.Bg2 Ke7 23.b4 Rc8 24.Bc6
0:10 1/11 1.13 3059696 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
a5 22.Bg2 Ke7 23.b4 Rc8 24.Bc6
Nc5 25.Qh4+ f6 26.Qxh7 axb4 27.Bxb4
0:23 1/12 1.12 6992140 19.Kxd1 dxc4 20.Qxc4 Rd8 21.Kc2
g5 22.Bxe6 fxe6 23.Qxe6+ Kf8 24.Qf5+
Ke7 25.Bb4+ Nc5 26.Bxc5+ bxc5 27.Qxc5+
Ke8 28.Qxa7 Rd7 29.Qe3+ Kf7 30.b4
1:11 2/13 1.18 21693821 19.Kxd1 dxc4 20.Qxc4 Nc5 21.Bd4
Rc8 22.b4 Rd8 23.bxc5 e5 24.Qb5+
Kf8 25.cxb6 Rxd4+ 26.Kc2 axb6 27.Qxe5
1:36 2/13 1.32 29051297 19.Qxd1 dxc4 20.Qd6 Rd8 21.Bb4
Nc5 22.Qc6+ Ke7 23.Bxc5+ bxc5 24.Qxc5+
Rd6 25.Qxa7+ Kf6 26.Qf2+ Ke7 27.Qc5
Rd8 28.Bf1 f6 29.Bxc4
2:52 3/14 1.61 51150154 19.Qxd1 dxc4 20.Qd6 Rd8 21.Bg2
Nb8 22.Qc7 Nd7 23.Qxa7 h5 24.Qc7
Ke7 25.Kc2 Ke8 26.Qxc4
jm
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