Author: Mike S.
Date: 11:14:15 03/26/03
Go up one level in this thread
On March 26, 2003 at 10:22:08, Norman bates wrote:
>Since you find it so hard to believe a top program can be beat two games
>straight. What a weird Bunch you all are, you believe that edward nemeth can do
>it, but doubt everyone else.
There are different kinds of wins. Against a chess programm with an average
strength of 2x00 Elo, it is possible to win in a way, a human master of the same
strength would not allow to be beaten by. For example, a master will think twice
before accepting a large material sacrifice, even if he can't calculate it to
the end. But it will be obvious to him that it will most probably be a trap
developed in home preparation, especially if played in the opening. Programs
cannot decline such offers unless they can't calculate until they see the
disadvantage. This is necessary, because if not, they'd never punish the
simplest blunders. (The only exception I know is the trojan sacrifice, for which
it IMO makes sense for programs to avoid it under certain conditions, because
it's such a common trap idea which often worked good and - more or less - easy
against progs.)
But it's not hard to believe that top programs can be beat, even with less than
2000 Elo :o), not at all:
[Event "P3/700"]
[Site "Wien"]
[Date "2001.??.??"]
[Round "?"]
[White "Scheidl, M."]
[Black "Fritz 7 NoMMX"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "39"]
[EventDate "2001.??.??"]
{131072kB, CDG.CTG. P3/700
} 1. e4 {0} Nf6 {0} 2. e5 {1} Nd5 {0} 3. Nf3 {1} d6
{0} 4. Bc4 {1} Nb6 {0} 5. Bxf7+ $6 {1} Kxf7 {-0.69/10 9} 6. Ng5+ {1} Kg8 {
-1.28/11 8} 7. Qf3 {4} Qe8 {-1.38/12 6} 8. e6 {1} g6 {-1.50/12 19} 9. Nf7 {2#}
Qc6 $2 {-1.69/12 18} (9... Bxe6) (9... Nc6) 10. Nh6+ {2} Kg7 {-2.81/11 9} 11.
Qf7+ {2} Kxh6 {-4.16/7 0} 12. d3+ {4} Kh5 {2.34/12 4} 13. g4+ {10} Kh4 {
8.31/13 42} 14. Rg1 {2} Qd5 {#13/11 35} 15. Nd2 {23} Bh6 {#10/9 4} 16. Nf3+ {14
} Qxf3 {#9/12 0} 17. Qxf3 {2} Bxc1 {#8/10 2} 18. g5 {15} Bxe6 {#6/8 0} 19. Qe4+
{16} Kh5 {#5/7 0} 20. Qxe6 {13} (20. Qe2+ $1 Kh4 21. Qxe6 {#3}) 1-0
[Event "40/10:00"]
[Site "Wien"]
[Date "2001.??.??"]
[Round "?"]
[White "Chess Tiger 14.0"]
[Black "Scheidl, M."]
[Result "0-1"]
[ECO "C65"]
[PlyCount "28"]
[EventDate "2001.??.??"]
{96MB, Tiger.ctg. PII/333
} 1. e4 {0} e5 {4} 2. Nf3 {0} Nc6 {2} 3. Bb5 {0} Nf6
{2} 4. O-O {0} Bc5 {5} 5. Nxe5 {0} Nd4 {5} 6. Bc4 {1.10/11 24} Nxe4 {4} 7. Nxf7
{5.64/10 29} Qh4 {6} 8. g3 {4.76/12 87} Qh3 {6} 9. Nxh8 {3.70/11 135} d5 {10}
10. Be2 {2.86/10 11} Nxe2+ {20} 11. Qxe2 {1.32/12 0} Bg4 {6} 12. Qd3 {
-2.10/11 58} Ng5 {12} 13. Ng6 {-6.36/11 77} hxg6 {41} 14. Qxg6+ {-6.54/10 0}
Nf7 {50} 0-1
[Event "40/20:00 P133"]
[Site "Wien"]
[Date "1998.??.??"]
[Round "?"]
[White "Scheidl, M."]
[Black "Genius 4"]
[Result "1-0"]
[ECO "B02"]
[Annotator "Scheidl,M"]
[PlyCount "25"]
[EventDate "1998.??.??"]
1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 Nb6 5. Bxf7+ Kxf7 6. Ng5+ Kg6 7. Qf3 Kxg5
$4 {Genius4 spielt diesen Zug auch bei Turnierbedenkzeit (P133 3:10).} 8. Qf7
g6 9. d3+ Kh5 10. Qf4 h6 11. g3 Bg4 12. h3 Qd7 13. hxg4# 1-0
[Event "40/10:00 P133"]
[Site "Wien"]
[Date "1998.??.??"]
[Round "?"]
[White "Scheidl, M."]
[Black "Nimzo 3.5"]
[Result "1-0"]
[ECO "E51"]
[BlackElo "2425"]
[PlyCount "47"]
[EventDate "1998.??.??"]
1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd2 c5 7. Rc1 cxd4 8. exd4
b6 9. Bd3 dxc4 10. Bb1 Nc6 11. Bg5 h6 12. h4 Bb7 13. Qd2 Na5 14. Bxh6 gxh6 15.
Qxh6 Bxc3+ 16. Rxc3 Be4 17. Bxe4 Re8 18. Ng5 Qc7 19. Rf3 Qe7 20. Rxf6 Qb4+ 21.
Kf1 Qe1+ 22. Kxe1 a6 23. Bh7+ Kh8 24. Nxf7# 1-0
[Event "60/15:00"]
[Site "Wien"]
[Date "1997.??.??"]
[Round "?"]
[White "Fritz 5.00/P133"]
[Black "Scheidl, M."]
[Result "0-1"]
[ECO "C65"]
[Annotator "Spanisch-Kill"]
[PlyCount "40"]
[EventDate "1997.??.??"]
{23552kB, f5book.ctg
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. Nxe5 Nd4
6. Bc4 Nxe4 7. Nxf7 Qh4 8. g3 Qh3 9. Nxh8 d5 10. Be2 Nxe2+ 11. Qxe2 Bg4 12. Qd3
Ng5 13. Qb5+ c6 14. Re1+ Kf8 15. Qxc5+ Kg8 16. f3 Nxf3+ 17. Kf2 Qxh2+ 18. Ke3
Qxg3 19. Qxd5+ (19. Qe7 Nxe1+ 20. Kd4 Qf4+ 21. Qe4 Qxe4+ 22. Kc5 Qc4+ 23. Kd6
Qb4+ 24. Ke5 Re8#) (19. Kd3 Nxe1+ 20. Kd4 Qf2+ 21. Kc3 Qxc5+ 22. Kb3 Qc4+ 23.
Ka3 Nxc2#) 19... cxd5 20. Kd3 Nxe1+ 0-1
Regards,
M.Scheidl
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