Author: John Merlino
Date: 18:16:28 09/07/01
Go up one level in this thread
On September 07, 2001 at 17:19:07, José Carlos wrote:
> Last night, in one of my test games, Averno played ...Bxf4 in this position
>(against another program):
>
>[D]4R3/p2r3r/1pNbRp2/2p2k1p/2P2PpP/PP4P1/K7/8 b - - 0 1
>
> The game ended soon:
>
>57. gxf4 g3 58. Re2 Rhg7 59. Re1 g2 60. Rg1 Rd2+ 61. Ka1 Rf2
>62. Ree1 Kxf4 63. a4 Kg3 64. a5 Rc7 65. Nd8 bxa5 66. Kb1 Kxh4 67. Ka1 Kg3
>68. Kb1 h4 69. Ne6 Rc6 70. Nd8 Rb6 71. Ne6 Rxb3+
>{White resigns} 0-1
>
> 59. Re1 is a blunder, but I wonder if the sac is correct at all. It seems that
>59. Rg2 is good enough for white (Averno plays Bxf4 by eval, it doesn't see the
>pawn queening at all in search). Is my passed pawn eval too high here? What do
>other programs think?
>
> Thanks in advance.
>
> José C.
CM8000 feels that it is the best move:
Time Depth Score Positions Moves
0:00 1/4 -0.31 8145 1...Bxf4 2. gxf4 Kxf4 3. Re3 Rd2+
4. Kb1 f5 5. Kc1
0:00 2/5 -0.31 26411 1...Bxf4 2. gxf4 Kxf4 3. Re3 Rd2+
4. Kb1 f5 5. Kc1
0:01 2/6 -0.31 80798 1...Bxf4 2. gxf4 Kxf4 3. Rxf6+
Kg3 4. Re2 Kxh4 5. Rf1 Rd3 6. Ne5
0:03 3/7 -0.08 324830 1...Bxf4 2. gxf4 g3 3. Re1 Kxf4
4. R8e4+ Kf3 5. R1e3+ Kg2 6. Re2+
Kh1 7. Re1+ Kh2
0:07 4/8 -0.18 765472 1...Bxf4 2. gxf4 g3 3. Re1 Kg4
4. Kb2 Kxh4 5. Rh1+ Kg4 6. Rg8+
Rhg7
0:29 5/9 0.00 3180225 1...Bxf4 2. gxf4 Rd2+ 3. Kb1 Rhd7
4. Re3 Rd1+ 5. Kc2 R7d2+ 6. Kc3
Ra2 7. Nxa7 Rc1+ 8. Kd3 Rd1+ 9.
Kc3
1:22 6/10 -0.06 9189714 1...Bxf4 2. gxf4 g3 3. Re1 Kg4
4. R8e6 Kxh4 5. Rxf6 g2 6. Rg6
Rdg7 7. f5 Rxg6 8. fxg6
3:28 7/11 -0.16 23478436 1...Bxf4 2. gxf4 g3 3. Re1 Kg4
4. Ne7 Rd2+ 5. Kb1 Kxh4 6. Nd5
g2 7. Kc1 Rf2 8. Nxf6 Rg7
jm
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