Author: Eduard Nemeth
Date: 13:59:35 08/31/02
Go up one level in this thread
On August 31, 2002 at 07:25:51, Sune Larsson wrote:
>I have been playing out this position between Fritz 7, Tiger 14, Junior 7,
>Shredder PB, Yace and Aristarch. 2 games vs each opponent - 40 moves in 60 min -
>PIII 800 - 64 Mb hash. So far F7 and Tiger has showed the best and most solid
>play. Right now two other programs are trying their luck - CM 8777 and Hiarcs 8.
>
>One of these two has, so far, performed extremly well. Just 4 games left to
>complete the tournament.
>
>This has been a very interesting tournament with lots of exciting chess and
>crucial decisions in the ending. Like the one below. Shredder PB has lost
>two games in a similar way - pawn races - but this one is of a different
>quality - trading down to a lost pawn ending.
>
>
> [D]8/1pp5/p1p2k2/7p/P4P1P/1P3K2/2Pr2R1/8 b - - 0 13
>
>
> This is CM 8777 - Shredder PB. Black chose 13.-Rxg2?? (13.-Rd1!)
> and entered the eternal darkness.
>
> Test: Avoid 13.-Rxg2?? The pawn ending is lost. The whole game below.
>
>
>[Event "Nunn1 40/60'"]
>[Site "Kil"]
>[Date "2002.08.26"]
>[Round "1"]
>[White "CM 8777"]
>[Black "Shredder Paderborn"]
>[Result "1-0"]
>[SetUp "1"]
>[FEN "8/1ppr1kp1/p1p4p/8/8/5P2/PPP1RKPP/8 w - - 0 1"]
>[PlyCount "43"]
>[EventDate "2002.??.??"]
>
>{W=15.6 ply; 142kN/s
>B=19.7 ply; 281kN/s; 270 256 TBAs
>} 1. f4 {
>Both last book move 0.16/11 108} 1... Rd1 {0.24/15 86} 2. g4 {0.15/11 138} 2...
>Kf6 {(g6) 0.19/13 75} 3. h4 {(b3) 0.15/10 86} 3... g6 {0.00/15 165} 4. Kf3 {
>(b3) 0.10/11 118} 4... Rf1+ {-0.01/15 81} 5. Rf2 {(Kg3) 0.10/11 64} 5... Rh1 {
>-0.14/16 88} 6. Kg3 {0.00/11 80} 6... h5 {-0.20/16 89} 7. gxh5 {
>(Rg2) 0.00/12 98} 7... gxh5 {-0.39/14 5} 8. Rd2 {0.00/12 108} 8... Rb1 {
>(Rg1+) -0.73/17 100} 9. b3 {-0.02/12 105} 9... Rg1+ {-0.56/17 132} 10. Rg2 {
>(Kf3) -0.07/11 46} 10... Re1 {-0.82/15 14} 11. Kf2 {(Kf3) 0.00/12 65} 11... Rd1
>{(Rh1) -0.52/17 166} 12. a4 {(a3) 0.00/12 96} 12... Rd2+ {(Rh1) -1.57/20 89}
>13. Kf3 {(Kg3) 0.31/13 61} 13... Rxg2 $4 {-1.74/22 46} (13... Rd1 $1) 14. Kxg2
>{-0.01/17 18} 14... Kf5 {-1.26/20 130} 15. Kf3 {(Kg3) 1.37/19 96} 15... c5 {
>-1.50/21 91} 16. c4 {1.46/20 74} 16... a5 {(b6) 1.87/22 344} 17. Ke3 {
>4.71/20 47} 17... Kf6 {(b6) 4.68/24 308} 18. Ke4 {7.52/21 107} 18... Ke6 {
>5.08/21 242} 19. f5+ {(b4) 6.82/20 72} 19... Kf6 {9.19/25 265} 20. Kf4 {
>7.52/20 88} 20... b6 {12.88/22 120} 21. Ke4 {9.41/20 85} 21... c6 {12.91/24 160
>} 22. Kf4 {9.41/18 46} 1-0
>
>Sune
Chess Tiger 14 under CP 5.2 GUI:
00:01:00.7 -0,44 14 11791612 Rd1 Rg5 Rd2 Rxh5 Rxc2 Rh7 Rb2 Rxc7 Rxb3+ Kg4 Rb1 h5
Rg1+ Kf3 Rf1+ Ke3 Re1+ Kd4
00:01:53.5 -0,44 15 22008175 Rd1 Rg5 Rd2 Rxh5 Rxc2 Rh7 Rb2 Rxc7 Rxb3+ Kg4 Rb1 h5
Rg1+ Kf3 Rf1+ Ke3 Re1+ Kd4
Analysis by Aristarch 4.4 (UCI):
1...Txg2 2.Kxg2 Kf5 3.Kf3 c5
= (0.01) Tiefe: 15/28 00:00:35 9339kN
1...Txg2 2.Kxg2 Kf5 3.Kf3
= (0.03) Tiefe: 16/29 00:02:12 35637kN
1...Txg2 2.Kxg2 Kf5 3.Kf3 c5 4.a5
= (0.01) Tiefe: 17/31 00:09:05 146619kN, tb=38
Eduard
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