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Subject: Ktulu 5.1 blunder?

Author: David Dahlem

Date: 09:19:02 11/25/04


[D]5q1k/7p/1p1P1p1b/1Pp5/2Pp4/p2P2PQ/r4B2/4R1K1 b - - 0 36

In this position, Ktulu 5.1 played Bd2, and lost in a few moves.

Analysis by Ktulu 5.1 - P3/933/32mb hash - Arena GUI:

Ktulu needs over 16 minutes to find 36...Be3. What do other engines think about
this position?

  11	00:03	 -1.96	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Qf5 Bg7 5.Qd5 Rf1 6.Kg2 a2
7.d7 a1Q 8.d8Q Qd1
  12	00:05	 -1.96	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Qf5 Bg7 5.Qd5 Rf1 6.Kg2 a2
7.d7 a1Q 8.d8Q Qd1
  13	00:11	 -1.79	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Rb7 Rb1 5.Qf5 Bg7 6.Rxb6 a2
7.Ra6 a1Q 8.Rxa1 Rxa1
  14	00:27	 -0.69	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Rb7 Bg7 5.Rxb6 Rd1 6.Ra6
Rxd3 7.Qf5 Rd2 8.Kg2 Bh6
  15	01:13	 -0.82	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Rb7 Bg7 5.Rxb6 Ra2 6.Qf5 Re2
7.Ra6 a2 8.b6 Rb2 9.d7 Qd8 10.b7 Rxb7
  16	02:31	  0.00	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Qd7 a2 5.Re8 Rf1 6.Rxf8+
Bxf8 7.Qc8 Rxf2+ 8.Kh3 Kg7
  17	07:22	 +0.91	1. ... Bd2 2.Re7 Ra1+ 3.Kh2 Bh6 4.Qd7 a2 5.Re8 Rf1 6.Rxf8+
Bxf8 7.Kg2 a1Q 8.Qe8 Kg7 9.d7 Rh1 10.d8Q Qf1+ 11.Kf3 Qxd3+ 12.Kg4 Qd1+ 13.Kf4
Qd2+ 14.Be3 Bd6+ 15.Qxd6
  17	16:14	 0.00	1. ... Be3 2.Bxe3 dxe3 3.Qe6 Qh6 4.Qe8+ Kg7 5.Qd7+ Kh8 6.Qc8+
Kg7 7.Qd7+

Here is the complete game...

[Event "SlowChess Blitz Gauntlet"]
[Site "?"]
[Date "2004.11.25"]
[Round "1"]
[White "SlowChess Blitz"]
[Black "Ktulu 5.1"]
[Result "1-0"]
[ECO "B06"]
[Opening "Modern"]
[Time "10:09:54"]
[Variation "1.e4 g6 2.Nc3 Bg7"]
[TimeControl "600+10"]

1.e4 g6 2.Nc3 Bg7 3.g3 d6 4.Bg2 e5 5.d3 Ne7 6.f4 {+0.12/10 25} Nbc6 {-0.04/13
31} 7.fxe5 {+0.16/11 24} dxe5 {+0.10/14 21} 8.Be3 {+0.08/11 27} Qd6 {+0.39/14
79} 9.Nf3 {+0.04/10 27} Nd4 {+0.32/12 26} 10.O-O {+0.12/9 27} O-O {+0.33/13 35}
11.Qd2 {+0.08/9 27} c5 {+0.34/12 16} 12.Nd5 {+0.08/9 27} Nxd5 {+0.49/14 12}
13.exd5 {+0.04/10 10} Nf5 {+0.49/14 14} 14.c4 {+0.04/10 25} f6 {+0.41/14 15}
15.Bf2 {+0.04/10 25} Bh6 {+0.82/15 21} 16.Qe2 {+0.12/10 25} Bd7 {+0.87/15 37}
17.Rad1 {+0.08/10 25} Nd4 {+1.03/14 16} 18.Nxd4 {+0.16/11 25} exd4 {+0.98/15 14}
19.b4 {+0.12/12 25} b6 {+0.98/15 11} 20.Qf3 {+0.12/11 17} Rab8 {+0.90/15 44}
21.Kh1 {+0.16/10 22} Rbe8 {+0.81/14 18} 22.Rfe1 {+0.08/11 22} a5 {+1.14/14 12}
23.b5 {+0.12/11 22} Bg5 {+0.97/16 33} 24.Kg1 {+0.04/11 22} a4 {+0.92/16 16}
25.Kh1 {-0.08/10 22} a3 {+1.11/16 10} 26.Kg1 {-0.08/11 21} Bh6 {+1.07/15 10}
27.Kh1 {-0.12/11 22} Kh8 {+0.92/14 10} 28.Kg1 {-0.16/11 22} Bg5 {+0.99/15 11}
29.h4 {-0.12/11 22} Bh6 {+1.36/15 13} 30.h5 {-0.16/10 22} gxh5 {+1.95/15 10}
31.Rxe8 {-0.44/11 15} Rxe8 {+1.28/17 35} 32.Bh3 {-0.44/11 15} Bxh3 {+1.63/15 13}
33.Qxh5 {-0.83/12 15} Qf8 {+1.65/16 27} 34.Qxh3 {-0.24/11 15} Re2 {+1.29/15 11}
35.Re1 {0.00/11 14} Rxa2 {+1.96/14 12} 36.d6 {0.00/10 13} Bd2 {+0.86/13 56}
37.Re7 {+3.26/10 31} Ra1+ {-0.24/12 65} 38.Kh2 {+3.96/11 15} Bh6 {-1.72/14 13}
39.Qf5 {+4.20/11 14} Bg7 {-4.25/13 7} 40.Qe6 {+4.96/10 14} a2 {-4.92/14 15}
41.d7 {+4.96/9 15} Rh1+ {-6.74/12 9} 42.Kxh1 {+9.84/12 13} a1=Q+ {-10.15/13 7}
43.Be1 {+9.72/12 15} Qaa8+ {-10.69/14 58} 44.Kh2 {+10.96/13 15}  {Black resigns}
1-0

Regards
Dave





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