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Subject: Re: Deep on BS2830

Author: Dann Corbit

Date: 14:00:29 03/16/04

Go up one level in this thread


On March 16, 2004 at 16:55:34, Dann Corbit wrote:

>On March 16, 2004 at 15:25:16, Slater Wold wrote:
>
>>From the thread http://www.talkchess.com/forums/1/message.html?354588.
>>
>>
>>EPD Kit revision date: 1996.04.21
>>unable to open book file [./book.bin].
>>book is disabled
>>unable to open book file [./books.bin].
>>hash table memory =   96M bytes.
>>pawn hash table memory =   24M bytes.
>>EGTB cache memory =   16M bytes.
>>6 piece tablebase files found
>>18165kb of RAM used for TB indices and decompression tables
>>book learning disabled
>>result learning disabled
>>position learning disabled
>>pondering disabled.
>>
>>Crafty v19.11 SE [Standard]
>>SE code disabled
>>
>>White(1): setboard
>[D]2r1r3/p3bk1p/1pnqpppB/3n4/3P2Q1/PB3N2/1P3PPP/3RR1K1 w - -
>>White(1): st 999999
>>search time set to 999999.04.
>>White(1): go
>>              clearing hash tables
>>              time surplus   0.00  time limit 16666:39 (16666:39)
>>              depth   time  score   variation (1)
>>                5     0.08   1.04   1. Qh4 Kg8 2. Qh3 f5 3. Rc1
>>                5     0.09   1.13   1. Qh3 Na5 2. Ba4 Nc6 3. Rc1
>>                5->   0.09   1.13   1. Qh3 Na5 2. Ba4 Nc6 3. Rc1
>>                6     0.13   1.02   1. Qh3 Na5 2. Ba4 Nc6 3. Rc1 a6
>>                6->   0.27   1.02   1. Qh3 Na5 2. Ba4 Nc6 3. Rc1 a6
>>                7     0.36   1.12   1. Qh3 Na5 2. Ba4 Red8 3. Bd2 Rh8 4.
>>                                    Qg4
>>                7->   0.74   1.12   1. Qh3 Na5 2. Ba4 Red8 3. Bd2 Rh8 4.
>>                                    Qg4
>>                8     0.89   1.08   1. Qh3 Na5 2. Ba4 Red8 3. Re2 Nc7 4.
>>                                    Rc1 Kg8
>>                8->   1.56   1.08   1. Qh3 Na5 2. Ba4 Red8 3. Re2 Nc7 4.
>>                                    Rc1 Kg8
>>                9     2.31   1.17   1. Qh3 Na5 2. Ba4 Rh8 3. Re2 Bf8 4.
>>                                    Bxf8 Rcxf8 5. Rde1 Nf4
>>                9->   3.09   1.17   1. Qh3 Na5 2. Ba4 Rh8 3. Re2 Bf8 4.
>>                                    Bxf8 Rcxf8 5. Rde1 Nf4
>>               10     6.00   1.21   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. dxe5 g5
>>                                    7. Bg7
>>               10->   8.49   1.21   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. dxe5 g5
>>                                    7. Bg7
>>               11    13.05   1.20   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. Qg4+ Kf7
>>                                    7. dxe5 Ne6 8. Rd7
>>               11->  19.91   1.20   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. Qg4+ Kf7
>>                                    7. dxe5 Ne6 8. Rd7
>>               12    31.52   1.16   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. dxe5 g5
>>                                    7. Qg4+ Kf7 8. Qf5+ Kg8 9. Bxg5 Bxg5
>>                                    10. Qxg5+
>>               12->  52.91   1.16   1. Qh3 Na5 2. Rxe6 Qxe6 3. Ne5+ fxe5
>>                                    4. Qf3+ Nf4 5. Bxe6+ Kxe6 6. dxe5 g5
>>                                    7. Qg4+ Kf7 8. Qf5+ Kg8 9. Bxg5 Bxg5
>>                                    10. Qxg5+
>>               13     4:32   1.48   1. Qh3 Rh8 2. Rc1 a5 3. Rc2 b5 4. Rce2
>>                                    Nd8 5. Nd2 Qd7 6. Ne4 a4 7. Bc2
>>               13->   5:03   1.48   1. Qh3 Rh8 2. Rc1 a5 3. Rc2 b5 4. Rce2
>>                                    Nd8 5. Nd2 Qd7 6. Ne4 a4 7. Bc2
>>               14     7:40   1.41   1. Qh3 Rh8 2. Rc1 a6 3. Re2 Na5 4.
>>                                    Bc2 Nc4 5. Rce1 Rc6 6. a4 Rhc8 7. b3
>>                                    Na3
>>               14->   9:32   1.41   1. Qh3 Rh8 2. Rc1 a6 3. Re2 Na5 4.
>>                                    Bc2 Nc4 5. Rce1 Rc6 6. a4 Rhc8 7. b3
>>                                    Na3
>>               15    16:30   1.60   1. Qh3 Rh8 2. Re2 a5 3. Rde1 Nd8 4.
>>                                    Nd2 Qd7 5. Qf3 Re8 6. Ne4 a4 7. Bxd5
>>                                    Qxd5 8. Ng5+ Kg8 9. Qxd5 exd5 10. Rxe7
>>                                    Rxe7 11. Rxe7 fxg5 12. Bxg5
>>               15->  21:29   1.60   1. Qh3 Rh8 2. Re2 a5 3. Rde1 Nd8 4.
>>                                    Nd2 Qd7 5. Qf3 Re8 6. Ne4 a4 7. Bxd5
>>                                    Qxd5 8. Ng5+ Kg8 9. Qxd5 exd5 10. Rxe7
>>                                    Rxe7 11. Rxe7 fxg5 12. Bxg5
>>               16    42:36   1.63   1. Qh3 Rh8 2. Re2 Rhg8 3. Rde1 Nd8
>>                                    4. Re5 Nc7 5. Bd2 Kg7 6. R5e4 g5 7.
>>                                    Qh5 Kh8 8. Bc4 Nd5
>>               16->  55:53   1.63   1. Qh3 Rh8 2. Re2 Rhg8 3. Rde1 Nd8
>>                                    4. Re5 Nc7 5. Bd2 Kg7 6. R5e4 g5 7.
>>                                    Qh5 Kh8 8. Bc4 Nd5
>>               17   143:39   1.44   1. Qh3 Rh8 2. Rc1 Rc7 3. Rc2 Nd8 4.
>>                                    Rxc7 Qxc7 5. Nd2 Qd7 6. Ne4 Nc6 7.
>>                                    Nc3 Nc7 8. d5 Nd4 9. dxe6+ Ncxe6 10.
>>                                    Bd5 Re8
>>               17-> 252:22   1.44   1. Qh3 Rh8 2. Rc1 Rc7 3. Rc2 Nd8 4.
>>                                    Rxc7 Qxc7 5. Nd2 Qd7 6. Ne4 Nc6 7.
>>                                    Nc3 Nc7 8. d5 Nd4 9. dxe6+ Ncxe6 10.
>>                                    Bd5 Re8
>>               18   376:09   1.49   1. Qh3 Rh8 2. Re2 Qd7 3. Rde1 Nd8 4.
>>                                    Ne5+ fxe5 5. Qf3+ Ke8 6. Rxe5 Nc7 7.
>>                                    d5 b5 8. dxe6 Qc6 9. Qe3 a5 10. Qd4
>>                                    a4
>>               18-> 540:45   1.49   1. Qh3 Rh8 2. Re2 Qd7 3. Rde1 Nd8 4.
>>                                    Ne5+ fxe5 5. Qf3+ Ke8 6. Rxe5 Nc7 7.
>>                                    d5 b5 8. dxe6 Qc6 9. Qe3 a5 10. Qd4
>>                                    a4
>>?              19   1140:15   1/43*  1. Qh3
>>White(1): ?
>>              time=1140:24  cpu=99%  mat=0  n=163024280135  fh=82%  nps=2.38M
>>              ext-> chk=-825806097 cap=389804029 pp=35791230 1rep=839174211 mate
>>=85617013
>>              predicted=0  nodes=163024280135  evals=3022961873  50move=0
>>              endgame tablebase-> probes=0  hits=0
>>              hashing-> 1474%(raw) 1473%(depth)  99%(sat)  94%(pawn)
>>              hashing-> 0%(exact)  1157%(lower)  304%(upper)
>
>Here is the old CAP record:
>2r1r3/p3bk1p/1pnqpppB/3n4/3P2Q1/PB3N2/1P3PPP/3RR1K1 w - - acd 14; acn
>1313815153; bm Rxe6; ce 84; id "BS2830.05"; pm Qh3; pv Qh3 Rh8 Nd2 Na5 Ne4 Qd7
>Ba4 Nc6 Qf3 Rhe8 Ng5+ Kg8 Nxe6 Bxa3 Bb3 Rxe6 Bxd5; c0 "Sturua-Kutirow, 4/97-39
>Rochochade Europa, 1976";
>
>And the new one constructed from your data:
>2r1r3/p3bk1p/1pnqpppB/3n4/3P2Q1/PB3N2/1P3PPP/3RR1K1 w - - acd 18; acn
>163024280135; bm Rxe6; ce 149; id "BS2830.05"; pm Qh3 Rh8 Re2 Qd7 Rde1 Nd8 Ne5+
>fxe5 Qf3+ Ke8 Rxe5 Nc7 d5 b5 dxe6 Qc6 Qe3 a5 Qd4 a4; c0 "Sturua-Kutirow, 4/97-39
>Rochochade Europa, 1976";
>
>The burning question is, who is right?  The GM or the computer.

This is the game in question:

[Event "Olympiad"]
[Site "Erevan ARM"]
[Date "1996.??.??"]
[Round "3"]
[White "Sturua, Zurab"]
[Black "Kutirov, Rolando"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2505"]
[ECO "D42o"]
[Opening "QGD"]
[Variation "semi-Tarrasch (3...c5) "]
[Annotator ""]
[Source ""]
[Remark "IX"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3
Nc6 9.O-O O-O 10.Re1 Nf6 11.a3 b6 12.Bc2 Ba6 13.Bg5 Rc8 14.Qd2 Bc4 15.Qf4
Bd5 16.Qh4 g6 17.Nxd5 Nxd5 18.Rad1 Qd6 19.Bb3 f6 20.Qg4 Kf7 21.Bh6 Rfe8
22.Rxe6 Qxe6 23.Re1 Qd6 24.Bf4 Qd8 25.Qe6+ Kg7 26.Bxd5 g5 27.Qf7+ 1-0



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