Author: CLiebert
Date: 03:41:06 07/12/99
Me be the following game between crafty 16-11 and comet b04
would be helpful to improve king safety.
The evaluations of crafty are very "interesting", look at this game...
[Event "Crafty 16-11 5m/300"]
[Site "Henstedt"]
[Date "1999.07.12"]
[Round "11.2"]
[White "Comet B04"]
[Black "Crafty 16.11"]
[Result "1-0"]
[PlyCount "71"]
[EventDate "1999.07.11"]
[Source "Lbt."]
1. d4 {0} 1... Nf6 {0} 2. Nf3 {0} 2... d5 {0} 3. c4 {0} 3... c6 {0} 4. Nc3 {0}
4... e6 {0} 5. e3 {0} 5... Nbd7 {0} 6. Bd2 {0.32/7 7} 6... dxc4 {0.15/9 10} 7.
Bxc4 {0.50/8 12} 7... Bd6 {0.21/9 12} 8. Qe2 {(0-0) 0.58/7 7} 8... O-O {
0.23/9 8} 9. O-O {0.40/7 6} 9... Nb6 {(Db6) 0.22/9 9} 10. Bd3 {(Lb3) 0.54/7 5}
10... Nbd5 {(Te8) 0.27/8 8} 11. e4 {(Se5) 0.77/6 5} 11... Nxc3 {(Sf4) 0.37/9 8}
12. bxc3 {0.84/8 6} 12... Be7 {0.40/10 8} 13. Rfb1 {(e5) 1.04/8 6} 13... Re8 {
0.29/9 7} 14. e5 {1.20/8 6} 14... Nd7 {(Sd5) 0.33/10 7} 15. a4 {(De4) 1.30/7 5}
15... Nf8 {(Da5) 0.29/9 7} 16. a5 {1.34/7 5} 16... Ng6 {0.29/9 8} 17. Be4 {
1.25/7 5} 17... a6 {(Dc7) 0.43/8 6} 18. Rb6 {(Lc1) 1.38/7 5} 18... Nf8 {
(Dc7) 0.40/8 6} 19. Qd3 {(Lc1) 1.34/7 5} 19... Qd7 {(Dc7) 0.37/8 6} 20. Ng5 {
(Lg5) 1.48/7 6} 20... Bd8 {0.46/9 6} 21. Bxh7+ {(Tb4) 1.85/7 5} 21... Kh8 {
0.13/10 7} 22. Qh3 {2.08/7 5} 22... Bxg5 {0.13/10 5} 23. Bd3+ {(Le4+) 2.08/7 4}
23... Bh6 {0.64/10 7} 24. Bxh6 {(g4) 2.08/6 0} 24... gxh6 {0.09/9 5} 25. Qxh6+
{2.08/5 1} 25... Kg8 {0.97/9 5} 26. Qg5+ {(Te1) 2.08/6 6} 26... Kh8 {0.00/9 5}
27. Qh4+ {(Df6+) 1.96/6 5} 27... Kg8 {0.00/10 5} 28. Re1 {(Dg5+) 2.06/6 5}
28... Ng6 {(Dd5) 0.00/7 5} 29. Qh6 {2.09/6 1} 29... Re7 {(Sf8) 0.49/9 4} 30.
Re3 {2.76/6 5} 30... c5 {2.91/8 10} 31. Rh3 {4.98/6 4} 31... Qa4 {12.17/8 15}
32. Rb1 {2.88/5 5} 32... Qb5 {(Td7) #4/7 20} 33. Bxg6 {#3/4 0} 33... Qf1+ {
(Dxb1+) #3/8 4} 34. Rxf1 {(Kxf1) #2/1 0} 34... fxg6 {#2/9 3} 35. Qxg6+ {
(Dh8+) #1/2 0} 35... Rg7 {(Kf8) #1/11 3} 36. Qe8# {#0/1 0} 1-0
Also interesting: the crafty-history between 16.9 and 16.11:
16.9 tuning to king safety. King in center of board was way too high
*
* which made the bonus for castling way too big. more fine-tuning
*
* on the new 'tropism' code (that tries to coordinate piece
attacks *
* on the king). it understands closeness and (now) open files for
*
* the rooks/queens. modified blocked center pawn code so that an
*
* 'outpost' in front of an unmoved D/E pawn is made even stronger
*
* since it restrains that pawn and cramps the opponent.
*
*
*
* 16.10 all scores are back to 16.6 values except for king safety, as
*
* these values played well. king safety is quite a bit different
*
* and now has two fine-tuning paramaters that can be set in the
*
* crafty.rc file (try help ksafety for more details, or see the
new *
* crafty.doc for more details. suffice it to say that you can now
*
* tune it to be aggressive or passive as you wish.
*
*
*
* 16.11 adjustment to king safety asymmetry to make Crafty a bit more
*
* cautious about starting a king-side attack. new "ksafe tropism"
*
* command allows the tropism scores (pulling pieces toward
opponent *
* king) to be adjusted up or down (up is more aggressive).
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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