Author: Dann Corbit
Date: 18:35:44 07/06/00
Go up one level in this thread
On July 06, 2000 at 20:34:43, Victor Valenzia wrote:
>This game between Fritz 6a and Chessmaster 5000 was fairly even until 29. Rf6?
>Fritz then played 29. Ne4, setting up a knight exchange, leading to a
>devastating passed pawn on the e-file for Fritz. I don't own CM6000 or CM7000,
>so I would be curious to know if these programs would have avoided 29. Rf6?
>
>[D]2kqr3/pp6/2pn2pp/3p4/3P4/PP3RN1/2P2QPP/6K1 w - - 0 1
It takes 11 minutes on my computer to find Re3, which is still down half a pawn.
On Dr. Hyatt's machine it would find that move at tournament time control of
40/2, I am sure. But I am not at all sure that move is much better.
What do you think is the righrt alternative?
PFGA: EPD record: 1
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (1)
11 14.59 -0.17 1. Rf6 Ne4 2. Nxe4 dxe4 3. Rxg6 e3
4. Qf5+ Kb8 5. Re6 Rxe6 6. Qxe6 Qxd4
7. Qg8+ Kc7 8. Qh7+ Kb6 9. Qxh6
11-> 19.64 -0.17 1. Rf6 Ne4 2. Nxe4 dxe4 3. Rxg6 e3
4. Qf5+ Kb8 5. Re6 Rxe6 6. Qxe6 Qxd4
7. Qg8+ Kc7 8. Qh7+ Kb6 9. Qxh6
12 44.91 -0.17 1. Rf6 Ne4 2. Nxe4 dxe4 3. Rxg6 e3
4. Qf5+ Kb8 5. Re6 Rxe6 6. Qxe6 Qxd4
7. Qg8+ Kc7 8. Qh7+ Kb6 9. Qxh6
12-> 59.09 -0.17 1. Rf6 Ne4 2. Nxe4 dxe4 3. Rxg6 e3
4. Qf5+ Kb8 5. Re6 Rxe6 6. Qxe6 Qxd4
7. Qg8+ Kc7 8. Qh7+ Kb6 9. Qxh6
13 1:16 -- 1. Rf6
13 3:26 -0.61 1. Rf6 Ne4 2. Nxe4 dxe4 3. Rf4 e3 4.
Qe2 Qd6 5. Qg4+ Kd8 6. Re4 Rxe4 7.
Qxe4 Qe7 8. Qxe7+ Kxe7 9. Kf1 Kd6
13 11:09 -0.50 1. Re3 Rg8 2. Qf4 g5 3. Qg4+ Kc7 4.
Qe2 Kb8 5. Re6 Nf7 6. Nf5 Rh8 7. c4
Qd7
13-> 12:27 -0.50 1. Re3 Rg8 2. Qf4 g5 3. Qg4+ Kc7 4.
Qe2 Kb8 5. Re6 Nf7 6. Nf5 Rh8 7. c4
Qd7
time=16:40 cpu=99% mat=0 n=179955245 fh=91% nps=179928
ext-> checks=8708731 recaps=582645 pawns=42099 1rep=596393
thrt:23648
predicted=0 nodes=179955245 evals=45453628
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=22% pawn=30% used=99%
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