Author: Dieter Buerssner
Date: 14:15:13 01/04/04
Go up one level in this thread
On January 03, 2004 at 17:06:58, Dan Andersson wrote:
> The engine finds the key move reasonably fast. And it finds an interesting try
>for a defence at depth 16.
>16 04:10 1,40 g5g4 Kb6b5 g4g3 Bb3a4 g3g2 a7a8Q g2g1Q Qa8h8+ Qg1g7 Qh8h4+
>Qg7g5+ Qh4xg5+ Kf6xg5 Rb7xf7 e6e5 Ba4b3 Ra1b1 Kb5b4 Ne3f5 Kb4c3 e5e4 Bb3c2 Rb1c1
>Rf7f8
Indeed an interesting defence.
I tried a game after g4 Kb5. P4 2.53 GHz, ponder on (yes, ponder on, on one
computer - I think, it is not worse to judge the result than ponder off -
especially in late endgame positions with many TB-hits), both engines with 100
MB hash and all 5-men TBs. It ended draw:
[Event "40 Moves in 120 min; Rest in 60 min"]
[Site "Engine Match"]
[Date "2004.01.04"]
[Round "1"]
[White "YaceX"]
[Black "Shredder 6"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/PR3p2/4pk2/1K6/6p1/1B2n3/8/r7 b - -"]
1... g3 {+1.67/16 4:46m} 2. Ba4 {-1.13/15 5:52m} g2
{+1.63/15 0s} 3. a8=Q {-1.13/14 6:32m} g1=Q {+1.78/12
1:23m} 4. Qh8+ {-1.18/13 4:08m} Qg7 {+1.42/12 0s} 5. Qh4+
{-1.18/12 4:40m} Qg5+ {+1.36/12 3:13m} 6. Qxg5+ {-1.12/15
3:29m} Kxg5 {+1.70/17 0s} 7. Rxf7 {-1.10/15 3:04m} e5
{+1.53/15 32s} 8. Bb3 {-1.07/14 2:34m} Rc1 {+1.55/16 1:51m}
9. Be6 {-1.07/15 3:49m} e4 {+1.24/16 8:38m} 10. Rf8
{-1.07/15 0s} Rc7 {+1.37/16 5:25m} 11. Rf7 {-1.05/15 0s}
Rc2 {+1.34/15 6:13m} 12. Rf8 {-1.05/14 0s} Rc1 {+1.28/15
4:20m} 13. Rf7 {-1.04/14 4:08m} Nd1 {+1.29/14 17s} 14. Kb4
{-0.93/14 4:04m} Ne3 {+1.38/13 2:36m} 15. Kb5 {-1.00/14
1:24m} Rc2 {+1.24/15 2:50m} 16. Rf8 {-1.02/15 1:15m} Nd1
{+1.16/14 4:44m} 17. Rf5+ {-0.99/13 2:31m} Kh4 {+1.16/14
4:47m} 18. Re5 {-0.83/14 0s} Kg3 {+1.04/14 5:29m} 19. Ka6
{-0.86/14 0s} Re2 {+1.00/16 3:07m} 20. Rg5+ {-0.82/15 33s}
Kh4 {+0.03/19 5:45m} 21. Rg4+ {0.00/17 0s} Kh5 {+0.03/19
6:23m} 22. Rg1 {0.00/16 0s} Ne3 {+0.05/18 4:09m} 23. Bf7+
{0.00/16 1:11m} Kh6 {+0.05/18 4:26m} 24. Bg6 {0.00/17
1:07m} Nc4 {+0.01/19 1:23m} 25. Kb5 {0.00/17 3:45m} Na3+
{+0.01/19 2:22m} 26. Kb4 {0.00/17 3:42m} Nc2+ {+0.01/19
2:57m} 27. Kc4 {0.00/17 5:56m} e3 {+0.01/19 2:36m} 28. Bxc2
{0.00/17 5:43m} Rxc2+ {+0.01/34 0s} 29. Kd3 {0.00/126 0s}
Rd2+ {0.00/4 0s} 30. Kxe3 {0.00/126 0s} Rd5 {0.00/4 0s}
31. Kf3 {0.00/126 0s} Kh5 {0.00/4 0s} 1/2-1/2
Yace gets smaller score after a while in the root position, with a different
line:
332938257 6:51.1 0.28 17. 53...g4 54.Rc7 g3 55.Rc1 Ra3 56.Bc4 g2 57.Bb5
Ke5 58.Kb7 Nf1 59.Rxf1 gxf1=Q 60.Bxf1 f5 {HT}
{230}
But after 56. Bc4 56...Nxc4+ seems to win fast.
Regards,
Dieter
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