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Subject: Re: Can any program find this thematic move?

Author: Mike Byrne

Date: 15:33:55 05/08/04

Go up one level in this thread


On May 08, 2004 at 16:30:36, Dana Turnmire wrote:

>[Event "?"]
>[Site "Saint Vincent "]
>[Date "2000.??.??"]
>[Round "?"]
>[White "Franco"]
>[Black "Colovic"]
>[Result "*"]
>[d]4rrk1/1bqn1pbn/p5pp/2pPp3/NpP2P2/1P2B1NP/P2Q1RB1/5RK1 w - -
>
>The thematic move is 1.f5!
>
>Or has this thematic move been discredited with computer analysis also?
>
>All programs I have tested (CM9000, CM9 SKR, Genius 7, Ruffian, and Arasan 6.1
>all give 1.Ne4.

Crafty v19.12 SE [Kasparov] (2 cpus)
SE code enabled

White(1): st 180
search time set to 180.00.
White(1): 4rrk1/1bqn1pbn/p5pp/2pPp3/NpP2P2/1P2B1NP/P2Q1RB1/5RK1 w - -
White(1): go
              clearing hash tables
              time surplus   0.00  time limit 3:00 (3:00)
              time surplus   0.00  time limit 3:00 (3:00)
              depth   time  score   variation (1)
starting thread 1
                1     0.00  -0.80   1. d6
                1->   0.00  -0.80   1. d64
                2     0.00     +1   1. d6!!
                2     0.02     +3   1. d6!!
                2     0.02   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                2->   0.02   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                3     0.02   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                3->   0.03   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                4     0.03   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                4->   0.05   1.47   1. d6 Qb8 2. Bxb7 Qxb7 3. Nxc5
                5     0.08   1.21   1. d6 Qc8 2. Bxb7 Qxb7 3. Bxc5 Rb8
                                    <HT>
                5->   0.09   1.21   1. d6 Qc8 2. Bxb7 Qxb7 3. Bxc5 Rb8
                                    <HT>
                6     0.16   1.25   1. d6 Qb8 2. Bxb7 exf4 3. Rxf4 Qxb7
                                    4. Nxc5
                6->   0.25   1.25   1. d6 Qb8 2. Bxb7 exf4 3. Rxf4 Qxb7
                                    4. Nxc5
                7     0.41   1.10   1. d6 Qc8 2. Bxb7 Qxb7 3. Nxc5 Qc6
                                    4. Nxd7 Qxd7
                7     0.88   1.33   1. f5 Qc8 2. fxg6 fxg6 3. Ne4 Rxf2
                                    4. Rxf2 Rf8 5. Naxc5 Nxc5 6. Bxc5
                7->   0.88   1.33   1. f5 Qc8 2. fxg6 fxg6 3. Ne4 Rxf2
                                    4. Rxf2 Rf8 5. Naxc5 Nxc5 6. Bxc5 (s=2)
                8     1.61   1.48   1. f5 g5 2. d6 Qc8 3. Bxb7 Qxb7 4.
                                    Nxc5 Nxc5 5. Bxc5
                8     3.67   1.63   1. Ne4 exf4 2. Bxf4 Qa5 3. Nd6 Rb8
                                    4. Nxb7 Rxb7 5. Bxh6
                8->   3.67   1.63   1. Ne4 exf4 2. Bxf4 Qa5 3. Nd6 Rb8
                                    4. Nxb7 Rxb7 5. Bxh6 (s=2)
                9     5.72   1.59   1. Ne4 exf4 2. Bxf4 Qa5 3. Nd6 Rb8
                                    4. Bxh6 Bxh6 5. Qxh6 Ne5
                9->   5.86   1.59   1. Ne4 exf4 2. Bxf4 Qa5 3. Nd6 Rb8
                                    4. Bxh6 Bxh6 5. Qxh6 Ne5
               10    10.66   1.64   1. Ne4 exf4 2. Bxf4 Be5 3. Bxh6 Bd4
                                    4. Kh1 Bxf2 5. Qxf2 Rxe4 6. Bxe4
               10    18.42   1.87   1. f5 g5 2. d6 Qc8 3. Bxb7 Qxb7 4.
                                    Nxc5 Qc6 5. Nxd7 Qxd7 6. Qxb4
               10->  18.42   1.87   1. f5 g5 2. d6 Qc8 3. Bxb7 Qxb7 4.
                                    Nxc5 Qc6 5. Nxd7 Qxd7 6. Qxb4 (s=2)
               11    35.09   1.89   1. f5 g5 2. Ne4 Nhf6 3. Naxc5 Nxe4
                                    4. Nxe4 a5 5. f6 Bh8 6. c5 Rd8
               11->  48.88   1.89   1. f5 g5 2. Ne4 Nhf6 3. Naxc5 Nxe4
                                    4. Nxe4 a5 5. f6 Bh8 6. c5 Rd8 (s=2)
               12     2:05   2.12   1. f5 a5 2. Ne4 gxf5 3. Rxf5 Bc8 4.
                                    d6 Qa7 5. Bxh6 Nb6 6. R5f2 Nxa4 7.
                                    bxa4
               12->   2:15   2.12   1. f5 a5 2. Ne4 gxf5 3. Rxf5 Bc8 4.
                                    d6 Qa7 5. Bxh6 Nb6 6. R5f2 Nxa4 7.
                                    bxa4
              time=3:00  cpu=188%  mat=-1  n=129795956  fh=90%  nps=720K
              ext-> chk=1131638 cap=523325 pp=299628 1rep=99475 mate=2654
              predicted=0  nodes=129795956  evals=69067007  50move=0
              endgame tablebase-> probes=0  hits=0
              SMP->  split=361  stop=44  data=5/128  cpu=5:39  elap=3:00



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