Author: John Merlino
Date: 11:06:45 09/11/04
Go up one level in this thread
On September 11, 2004 at 13:18:08, Dan Andersson wrote: >[D]r1bq1rk1/pp3pp1/2p1n2p/4PN2/1b6/2NB3P/PP3PP1/R2QR1K1 w - - 1 21 > Rizzitano 2485 - Wolfe 2353, Cambridge 1984 > The position is from 'Understanding Your Chess' by James Rizzitano. He played >21. Qg4!! without realizing the bishop was hanging. One kindly interpretation >might be to argue that his pattern recognition overrode any calculation effort >:) I can recommend the book for both humans and as a source of test positions >for both find and avoid moves. > > Here is output from one engine: >Engine UCI 62 MB 933MHz Cu-Mine: > 5- 00:00 0,25 Nf5d6 Ne6d4 Nd6xc8 Ra8xc8 Qd1h5 > 5 00:00 0,35 Nf5d6 Ne6f4 Bd3c4 Bb4xc3 b2xc3 Qd8h4 > 5+ 00:00 0,35 Qd1d2 Ne6g5 > 5 00:01 0,54 Qd1d2 Ne6c7 Ra1d1 Nc7d5 Qd2c1 > 6 00:01 0,41 Qd1d2 Qd8g5 Qd2xg5 Ne6xg5 Ra1d1 Bc8xf5 Bd3xf5 Rf8d8 > 6+ 00:01 0,41 Nf5d6 Ne6f4 > 6 00:02 0,41 Qd1d2 Qd8g5 Qd2xg5 Ne6xg5 Ra1d1 Bc8xf5 Bd3xf5 Rf8d8 > 7 00:03 0,19 Qd1d2 Qd8g5 Qd2xg5 Ne6xg5 Kg1h2 Bb4xc3 b2xc3 Bc8xf5 Bd3xf5 >Rf8d8 > 7+ 00:05 0,19 Bd3c4 Bb4xc3 > 7 00:06 0,19 Qd1d2 Qd8g5 Qd2xg5 Ne6xg5 Kg1h2 Bb4xc3 b2xc3 Bc8xf5 Bd3xf5 >Rf8d8 > 7+ 00:06 0,19 Qd1f3 Ne6g5 > 7 00:07 0,48 Qd1f3 Bb4xc3 b2xc3 Ne6g5 Qf3e3 Bc8xf5 Bd3xf5 Qd8d5 Re1d1 > 8 00:10 0,41 Qd1f3 Ne6g5 Qf3e3 Qd8b6 Qe3xb6 a7xb6 a2a3 Bc8xf5 Bd3xf5 >Bb4xc3 b2xc3 > 9 00:16 0,32 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bb4c5 Nf5xh6+ g7xh6 Qe3g3 f7f6 >h4xg5 f6xg5 > 9+ 00:24 0,32 Re1e4 Ne6c5 > 9 00:32 0,32 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bb4c5 Nf5xh6+ g7xh6 Qe3g3 f7f6 >h4xg5 f6xg5 >10 00:51 0,35 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bb4c5 Nf5xh6+ g7xh6 Qe3g3 Qb6d8 >h4xg5 h6xg5 >10+ 00:57 0,35 Re1e4 Qd8a5 >10 01:00 0,35 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bb4c5 Nf5xh6+ g7xh6 Qe3g3 Qb6d8 >h4xg5 h6xg5 >10+ 01:11 0,35 Qd1d2 Bb4xc3 >10 01:35 0,35 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bb4c5 Nf5xh6+ g7xh6 Qe3g3 Qb6d8 >h4xg5 h6xg5 >11 02:23 0,44 Qd1f3 Ne6g5 Qf3e3 Qd8b6 h3h4 Bc8xf5 Bd3xf5 Qb6xe3 Re1xe3 >Bb4c5 h4xg5 Bc5xe3 f2xe3 h6xg5 >12 04:18 0,41 Qd1f3 Ne6g5 Qf3g3 Bc8xf5 Bd3xf5 Qd8a5 Ra1d1 Bb4xc3 Qg3xc3 >Qa5xc3 b2xc3 g7g6 Bf5c2 Ra8d8 Rd1xd8 Rf8xd8 Re1b1 >13 09:05 0,35 Qd1f3 Ne6g5 Qf3g3 Bc8xf5 Bd3xf5 Qd8a5 Ra1d1 Ra8d8 Rd1xd8 >Rf8xd8 h3h4 Ng5e6 Bf5xe6 f7xe6 Qg3g6 Bb4xc3 Qg6xe6+ Kg8h7 b2xc3 Qa5xc3 >14 21:09 0,35 Qd1f3 Ne6g5 Qf3g3 Bc8xf5 Bd3xf5 Qd8a5 Ra1d1 Ra8d8 Rd1xd8 >Rf8xd8 h3h4 Ng5e6 Bf5xe6 f7xe6 Qg3g6 Bb4xc3 Qg6xe6+ Kg8h7 b2xc3 Qa5xc3 >14+ 35:57 0,35 Qd1g4 Qd8xd3 >14+ 38:08 0,67 Qd1g4 Qd8xd3 >14 42:53 0,89 Qd1g4 Qd8xd3 Nf5xh6+ Kg8h8 Nh6f5 a7a5 a2a3 Ne6g5 Qg4xg5 >Bc8xf5 Re1d1 Qd3c2 a3xb4 Rf8e8 Rd1d2 >15 01:01:24 0,83 Qd1g4 Kg8h8 Nf5xg7 Ne6c5 Bd3f5 Bb4xc3 b2xc3 Rf8g8 Qg4d4 >Qd8g5 Bf5xc8 Ra8xc8 Qd4xc5 Rg8xg7 g2g4 h6h5 f2f3 h5xg4 h3xg4 >16 01:30:44 0,83 Qd1g4 Kg8h8 Nf5xg7 Ne6c5 Bd3f5 Bb4xc3 b2xc3 Rf8g8 Qg4d4 >Qd8g5 Bf5xc8 Ra8xc8 Qd4xc5 Rg8xg7 g2g3 b7b6 Qc5a3 f7f6 >17 02:37:08 0,86 Qd1g4 Kg8h8 Nf5xg7 Ne6c5 Bd3f5 Bb4xc3 b2xc3 Rf8g8 Qg4d4 >Qd8g5 Bf5xc8 Ra8xc8 Qd4xc5 Rg8xg7 g2g3 Rc8a8 Ra1d1 Qg5h4 Rd1d7 Qh4xh3 Rd7xb7 > >MvH Dan Andersson CM9_SKR on a P4-2.4 does very well here, finding Qg4 in under five minutes: Time Depth Score Positions Moves 0:01 1/7 0.37 287900 21.Qd2 Qg5 22.Qxg5 Nxg5 23.Rad1 Rd8 24.Bc2 Rxd1 25.Rxd1 0:04 1/8 0.23 630644 21.Qd2 Qg5 22.Qxg5 Nxg5 23.Rad1 Rd8 24.Bc2 Bd7 0:05 1/8 0.29 829889 21.Re4 Bxc3 22.bxc3 Ng5 23.Rd4 Bxf5 24.Rxd8 Raxd8 25.Bxf5 Rxd1+ 26.Rxd1 0:10 1/8 0.36 1669620 21.Nd6 Qg5 22.Qf3 Qf4 23.Qe4 Qxe4 24.Rxe4 Bxc3 25.bxc3 Rd8 0:20 1/9 0.19 3245164 21.Nd6 Nf4 22.Qf3 Qg5 23.Kf1 Be6 24.Rad1 Nd5 25.Bc2 0:22 1/9 0.29 3741580 21.Qd2 Qg5 22.Qxg5 Nxg5 23.Rad1 Bxf5 24.Bxf5 Rad8 25.a3 Rxd1 26.Rxd1 Bxc3 27.bxc3 0:30 1/9 0.42 5092892 21.Bc2 Nf4 22.Qg4 Qg5 23.Qxg5 hxg5 24.Nd6 Be6 25.a3 Bc5 26.Nxb7 0:34 1/9 0.48 5763042 21.Qf3 Ng5 22.Qg3 Bxf5 23.Bxf5 Qa5 24.Rad1 Bxc3 25.Qxc3 Qxc3 26.bxc3 Rad8 0:48 2/10 0.45 7939387 21.Qf3 Ng5 22.Qe2 Bxf5 23.Bxf5 Qa5 24.h4 Bxc3 25.bxc3 Ne6 26.Qc2 Rad8 1:34 2/11 0.39 16814366 21.Qf3 Ng5 22.Qe2 Bxf5 23.Bxf5 Qa5 24.h4 Ne6 25.Qc4 Bxc3 26.bxc3 Qd5 4:26 2/11 1.26 49626048 21.Qg4 Kh8 22.Qxb4 Qxd3 23.Nd6 Qd4 24.Qxd4 Nxd4 25.Rad1 c5 26.Nce4 b6 5:56 2/12 1.25 67051006 21.Qg4 Kh8 22.Rad1 a5 23.a3 Bc5 24.Ne4 Ba7 25.Bc4 Qc7 26.Bxe6 fxe6 jm
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