Author: Cliff Sears
Date: 17:28:34 11/15/04
Go up one level in this thread
On November 15, 2004 at 07:32:44, Andrew Platt wrote:
>On November 13, 2004 at 19:15:16, Cliff Sears wrote:
>
>>[d] 4rr1k/pppb2bp/2q1n1p1/4p3/8/1BPPBN2/PP2QPP1/2KR3R w - - 0 20
>>
>>Out of Crafty1917, Tiger14, Hiarcs8, Anaconda162, and AnMon 5.40 only AnMon
>>selects the move played by Steinitz
>>
>>Commentary from "The Mammoth Book of The World's Greatest Chess Games" by
>>Burgess, Nunn, and Emms states:
>>
>>""More attacking than defensive" - Steinitz. This subtle queen retreat, which
>>has many different purposes, is a move of star quality. Firstly White removes
>>the queen from the e-file, thus eliminating many of Black's tactical tricks
>>involving ...Nf4 and ...Nd4. There is also a much deeper aspect to 20 Qf1 which
>>becomes obvious very soon."
>
>I let Shredder 5 play two games against itself at two minutes a move. One from
>the starting point and one after Qf1. In the first case Shredder preferred Qc2
>and got a won position; in the second, white quickly lost it's advantage and the
>game ended in a draw. Whether this is Shredder not really understanding the
>position after Qf1 or whether this actually gives black drawing chances isn't
>clear.
>
>Here's the PGN:
>
>[Event "?"]
>[Site "?"]
>[Date ""]
>[Round ""]
>[White "?"]
>[Black "?"]
>[Result ""]
>[Eco ""]
>[Annotator ""]
>[Source ""]
>[SetUp "1"]
>[FEN "4rr1k/pppb2bp/2q1n1p1/4p3/8/1BPPBN2/PP2QPP1/2KR3R w - - 0 1"]
>
>1.Qc2 {+1.43 13 5:59m} ( 1.Qf1 Rf5 {-1.28 12 4:21m} 2.Kb1 {+1.28 12 1:17m}
>a5 {-1.34 12 2:43m} 3.Rh2 {+1.32 12 4:32m} a4 {-1.29 12 3:41m}
>4.Bxe6 {+1.04 13 2:43m} Bxe6 {-1.04 15 4:53m} 5.Qh1 {+1.08 13 3:59m}
>Bg8 {-1.04 13 2:48m} 6.Ng5 {+0.65 14 3:42m} Rxg5 {-0.65 15 4:42m}
>7.Bxg5 {+0.41 15 4:47m} e4 {-0.27 13 2:38m} 8.Bh6 {+0.03 12 2:18m}
>Qe6 {+0.45 12 2:48m} 9.c4 {-1.23 12 6:47m} Bxb2 {+1.18 13 4:43m}
>10.Kxb2 {-0.75 12 4:13m} a3+ {+1.14 12 4:28m} 11.Kc3 {-0.81 11 2:13m}
>exd3 {+0.81 11 2:15m} 12.Rh4 {-0.81 11 1:46m} Qe5+ {+0.81 12 4:07m}
>13.Rd4 {-0.96 12 2:17m} c5 {+0.99 12 3:38m} 14.Qh4 {-0.80 12 2:32m}
>cxd4+ {+0.67 12 1:56m} 15.Qxd4 {-0.64 15 2:05m} Qxd4+ {+0.72 12 6s}
>16.Kxd4 {-0.71 15 34s} Rd8+ {+0.60 17 1:55m} 17.Kc3 {-0.60 18 4:07m}
>Rc8 {+0.70 17 3:01m} 18.Rxd3 {-0.73 17 3:21m} Bxc4 {+0.58 17 3:05m}
>19.Rd2 {-0.57 16 1:47m} Bd5+ {+0.67 17 35s} 20.Kb4 {-0.67 19 1:44m}
>Bxg2 {+0.67 19 3:45m} 21.Kxa3 {-0.77 17 1:26m} Bc6 {+0.72 17 1:54m}
>22.Rd6 {-0.67 17 1:48m} Kg8 {+0.67 18 1:40m} 23.Rf6 {-0.59 18 2:45m}
>Bd5 {+0.58 18 2:22m} 24.Kb2 {-0.59 17 4:08m} Bf7 {+0.56 17 2:43m}
>25.Rd6 {-0.56 17 1:59m} Ra8 {+0.56 17 1:41m} 26.a3 {-0.57 18 1:45m}
>Be8 {+0.53 19 3:02m} 27.Rf6 {-0.52 19 1:50m} Bc6 {+0.52 20 1:49m}
>28.Kb3 {-0.52 20 3:23m} Be4 {+0.51 16 1:15m} 29.Kc4 {-0.51 17 1:28m}
>Re8 {+0.51 16 1:51m} 30.a4 {-0.49 14 8s} Ra8 {+0.47 17 1:50m}
>31.a5 {-0.47 18 3:17m} Rd8 {+0.44 15 1:28m} 32.Kc5 {-0.40 15 1:26m}
>Bg2 {+0.41 14 1:10m} 33.Kb6 {-0.33 17 1:35m} Bd5 {+0.29 18 1:36m}
>34.Kc7 {-0.29 18 1:10m} Ra8 {+0.29 18 1:29m} 35.f4 {-0.29 18 1:54m}
>Be4 {+0.23 18 1:14m} 36.Re6 {-0.23 19 2:59m} Bf3 {+0.37 18 1:29m}
>37.Rf6 {-0.31 18 1:50m} Bd5 {+0.31 18 2:54m} 38.Kd7 {-0.28 17 1:34m}
>Bf7 {+0.30 17 1:24m} 39.Ke7 {-0.21 18 2:28m} Re8+ {+0.21 18 2:40m}
>40.Kd7 {-0.02 17 1:07m} Re3 {+0.27 17 1:36m} 41.Rd6 {-0.02 15 54s}
>Rh3 {+0.36 15 1:24m} 42.Bg5 {-0.32 16 1:35m} Bc4 {+0.31 16 1:28m}
>43.Ke7 {-0.31 16 1:14m} Re3+ {+0.31 16 52s} 44.Kf6 {-0.31 18 1:01m}
>Rd3 {+0.31 18 1:09m} 45.Rxd3 {-0.31 20 1:07m} Bxd3 {+0.31 26 46s}
>46.Bh6 {-0.32 23 57s} Bc4 {+0.32 23 18s} 47.Ke7 {-0.32 24 1:08m}
>Be2 {+0.33 24 2:03m} 48.Kf6 {-0.33 24 2:12m} Bd3 {+0.33 23 56s}
>49.Ke6 {-0.34 23 1:01m} Be4 {+0.34 23 59s} 50.Ke5 {-0.34 23 21s}
>Bh1 {+0.34 24 1:12m} 51.Ke6 {-0.34 23 51s} Bf3 {+0.34 24 51s}
>52.Ke7 {-0.34 24 1:12m} Be4 {+0.34 24 58s} 53.Kf6 {-0.35 24 1:01m}
>Bf5 {+0.35 24 59s} 54.Ke7 {-0.37 24 1:20m} Bh3 {+0.37 24 47s}
>55.Kf6 {-0.37 24 52s} Bg4 {+0.38 24 1:05m} 56.Bg5 {-0.37 23 31s}
>Bf3 {+0.37 22 35s} 57.Bh6 {-0.37 22 39s} Bh5 {+0.38 23 42s} 58.Ke6 {-0.38 24
>37s}
>Bg4+ {+0.38 24 44s} 59.Kf6 {-0.38 25 1:07m} Bh3 {+0.37 24 39s}
>60.Bg7 {-0.36 22 22s} Be6 {+0.37 22 32s} 61.Bh6 {-0.37 24 2:31m}
>Ba2 {+0.37 24 3:03m} 62.Bg5 {-0.37 24 2:19m} Bb1 {+0.37 24 2:31m}
>63.Bh6 {-0.38 25 2:36m} Bc2 {+0.38 26 2:56m} 64.Ke6 {-0.38 26 4:47m}
>Bb3+ {+0.38 25 2:58m} 65.Kf6 {-0.38 25 2:13m} Bd5 {+0.38 25 1:55m}
>66.Ke5 {-0.39 25 3:08m} Bc4 {+0.39 25 3:35m} 67.Kf6 {-0.39 25 4:18m}
>Bb3 {+0.39 24 2:13m} 68.Bg7 {-0.38 24 2:02m} Bc2 {+0.36 24 4:30m}
>69.Bh6 {-0.36 25 3:58m} Bd1 {+0.36 24 2:23m} 70.Bg5 {-0.37 24 1:55m}
>Ba4 {+0.37 24 2:30m} 71.Bh6 {-0.15 24 1:52m} Bd7 {+0.15 24 2:53m}
>72.Ke7 {-0.32 24 2:01m} Bc6 {+0.32 24 1:57m} 73.Kf6 {-0.32 25 1:45m}
>Bb5 {+0.32 25 1:40m} 74.Ke7 {-0.16 25 2:00m} Bf1 {+0.00 26 2:41m}
>75.Ke6 {+0.00 26 1:39m} Bd3 {+0.00 23 4s} 76.Kf6 {+0.00 27 1:38m}
>Be2 {+0.00 24 1:19m} 77.Ke6 {+0.00 25 1:36m} Bd3 {+0.00 25 3:31m}
>78.Kf6 {+0.00 27 1:34m} {? - ?, ? ?} ) Nf4 {-1.48 13 3:17m} 2.Ng5 {+1.36 13
>2:27m}
>h5 {-1.18 13 4:16m} 3.f3 {+1.01 13 3:17m} a5 {-0.81 13 5:15m}
>4.a4 {+0.86 12 5:14m} b6 {-1.18 12 3:49m} 5.Kb1 {+1.45 12 2:27m}
>Ne6 {-1.26 12 3:58m} 6.Ne4 {+1.70 13 2:37m} Re7 {-1.67 13 2:37m}
>7.Rde1 {+1.73 13 2:57m} Nf4 {-1.73 13 2:00m} 8.g3 {+1.99 14 719:30m}
>Ne6 {-2.00 13 1:52m} 9.g4 {+1.89 14 3:29m} Be8 {-1.66 11 14s}
>10.gxh5 {+2.57 14 5:11m} gxh5 {-1.82 12 16s} 11.Ng3 {+1.67 13 2:37m}
>Qxf3 {-1.64 14 4:49m} 12.Nxh5 {+1.57 13 3:01m} Bxh5 {-1.64 14 5:45m}
>13.Qd2 {+1.49 13 2:31m} Kg8 {-1.52 13 2:37m} 14.Bd1 {+1.52 13 1:41m}
>Qd5 {-1.45 14 3:38m} 15.Rxh5 {+1.45 14 4:41m} Nf4 {-1.63 13 4:45m}
>16.Bxf4 {+1.44 11 1:02m} Rxf4 {-1.69 13 4:31m} 17.d4 {+1.61 12 2:30m}
>Kf8 {-1.71 12 4:22m} 18.Qh2 {+1.87 12 2:44m} Qe6 {-2.05 12 6:47m}
>19.dxe5 {+2.00 12 2:29m} Ref7 {-2.09 12 2:10m} 20.Qh1 {+2.17 12 2:10m}
>Ke7 {-2.43 12 2:26m} 21.Rg5 {+2.46 13 3:20m} Bh6 {-2.69 13 4:47m}
>22.Rg3 {+2.69 13 41s} Rg7 {-2.92 13 4:59m} 23.Rd3 {+3.01 13 3:12m}
>Rg6 {-3.01 13 4:47m} 24.Qb7 {+3.01 12 1:54m} Qc6 {-2.96 12 2:05m}
>25.Qc8 {+2.96 13 126:42m} Rf8 {-2.98 13 4:00m} 26.Qh3 {+2.98 7 0s}
>Qe6 {-2.98 13 2:12m} 27.Qh4+ {+2.84 12 6:21m} Bg5 {-2.97 11 18s}
>28.Qh7+ {+2.99 12 2:13m} Rf7 {-3.22 13 4:34m} 29.Qh1 {+3.22 13 4:21m}
>Rf4 {-3.25 11 2:22m} 30.Bc2 {+3.55 11 1:03m} Rh6 {-3.89 11 5:42m}
>31.Qb7 {+4.28 11 32s} Qc6 {-4.42 11 1:38m} 32.Qc8 {+4.42 12 4:15m}
>Qe8 {-6.41 12 13:27m} 33.Qxc7+ {+6.41 13 4:01m} Kf8 {-6.41 12 2:33m}
>34.Rd7 {+6.69 11 1:56m} Rf7 {-7.26 11 5:56m} 35.Rxf7+ {+6.51 12 4:47m}
>Qxf7 {-7.69 12 2:57m} 36.Qc8+ {+7.69 13 3:25m} Kg7 {-7.69 12 3:02m}
>37.Rg1 {+7.67 13 3:12m} Rg6 {-9.04 12 3:59m} 38.Bxg6 {+12.17 11 2:14m}
>Kxg6 {-10.60 11 1:03m} 39.Qc6+ {+11.89 12 1:13m} Kf5 {-12.71 13 3:28m}
>40.Rf1+ {+13.46 13 2:58m} Bf4 {-13.92 13 4s} 41.e6 {+13.92 13 2:38m}
>Qg6 {-14.55 13 2:34m} 42.Qd7 {+15.00 12 2:30m} Qxe6 {-15.77 12 2:25m}
>43.Rxf4+ {+17.85 12 1:44m} Kxf4 {-23.29 17 2:01m} 44.Qxe6 {+25.69 17 46s}
> *
>
>Andy.
Thanks for your input. Interesting way to look at this position!
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