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Subject: Re: WCSAC.0053

Author: Andreas Guettinger

Date: 11:42:12 05/08/05

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On May 08, 2005 at 14:24:21, Steven Edwards wrote:

>On May 08, 2005 at 14:01:16, Andreas Guettinger wrote:
>>On May 07, 2005 at 20:13:38, Steven Edwards wrote:
>
>>>WCSAC.0053:
>>>
>>>[D] 3qk2r/1pp1nppp/1p6/r7/8/5Q2/PP3PPP/R1B1R1K1 w - -
>>>
>>>Book: Bg6
>>>
>>>Toolkit: Bf4 c6 Qg3 Kd7 Rad1+ Rd5 Rxd5+ cxd5 Qxg7 f5 Bc7 Kxc7 Rxe7+ Kc8 Rc7+
>>>Qxc7 Qxh8+ Qd8 Qxh7 (+1.715)
>>
>>Are you sure the castling flags of the fen you gave are right? Black cannot
>>castle anymore? Or else it should be:
>>
>>FEN: 3qk2r/1pp1nppp/1p6/r7/8/5Q2/PP3PPP/R1B1R1K1 w k -
>
>That's interesting; in the test suites the castling flags should be turned on if
>legal for the position.  Many other positions in the same file have castling
>flags, but not this one.  I'll have to look into this.


Hiarcs9.6:
with black castling:

 5 +0.77  Qe4 Rd5 Bf4 Qd7 Rac1 (0.64)
 5 +0.79  b4 (1.17)
 5 +1.26  b4 Rb5 Ba3 Kf8 Qxb7 (1.34)
 6 +0.93  b4 (1.48)
 6 +0.79  b4 Rb5 Ba3 c6 Rad1 Rd5 (1.69)
 6 +0.81  Bg5 (2.64)
 6 +1.57  Bg5 f6 Rad1 Qc8 Qh5+ Kf8 Qe2 (2.83)
 7 +1.89  Bg5 (3.67)
 7 +1.96  Bg5 Rxg5 Rad1 Qc8 Qe3 Rxg2+ Kxg2 (3.92)
 8 +2.28  Bg5 (6.38)
 8 +2.35  Bg5 Rxg5 Rad1 Qc8 Qe3 O-O Qxg5 f6 Qh5 (6.60)
 9 +2.12  Bg5 Rxg5 Rad1 Qa8 Qe3 O-O Qxg5 Ng6 a3 h6 (11.65)
10 +2.33  Bg5 Rxg5 Rad1 Qc8 Qe3 O-O Qxg5 Ng6 (29.78)
11 +2.21  Bg5 Rxg5 Rad1 Qa8 Qe3 O-O Qxg5 Ng6 Rd7 Qxa2 Rxc7 Qxb2 Rxb7 (90.38)
12 +2.32  Bg5 Rxg5 Rad1 Qc8 Qe3 O-O Qxg5 Nf5 f4 h6 Qg4 (241.83)
13 +2.36  Bg5 Rxg5 Rad1 Qc8 Qe3 O-O Qxg5 Nf5 Qg4 f6 Qc4+ Kh8 f4 Nd6 Qc2 (665.02)


 without black castling:

 5 +1.54  Qxb7 Rf5 Be3 (0.65)
 5 +1.55  Bf4 (0.74)
 5 +1.57  Bf4 (0.77)
 5 +1.79  Bf4 Kf8 Qg3 Nd5 Qg5 Qxg5 (0.97)
 5 +1.81  Bh6 (1.12)
 5 +2.39  Bh6 Rg8 Rad1 Rd5 Rxe7+ Qxe7 (2.08)
 6 +2.06  Bh6 (2.40)
 6 +0.77  Bh6 Kf8 Rad1 Qe8 Bf4 c6 (2.77)
 6 +0.78  Bf4 (3.07)
 6 +1.68  Bf4 Kf8 Qxb7 Nd5 Rad1 (3.41)
 6 +1.70  Bg5 (3.93)
 6 +1.84  Bg5 Rxg5 Rad1 Qc8 Qe3 Rxg2+ Kxg2 Qe6 Qxe6 (4.00)
 7 +2.16  Bg5 (4.30)
 7 +4.01  Bg5 Rxg5 Rad1 Qxd1 Rxd1 Nc6 Qh3 Ke7 (5.10)
 8 +4.33  Bg5 (6.22)
 8 +4.53  Bg5 Rxg5 Rad1 Rg6 Rxd8+ Kxd8 Qxf7 (6.99)
 9 +4.85  Bg5 (11.50)
 9 +4.85  Bg5 Rxg5 Rad1 Qxd1 Rxd1 f5 Qxb7 Kf7 Qxc7 Rg6 f4 (12.55)
10 +4.68  Bg5 Rxg5 Rad1 Qxd1 Rxd1 f6 Qxb7 Kf7 Qxc7 b5 Re1 Re8 (23.01)
10 +4.69  Bh6 (57.48)
10 +4.84  Bh6 gxh6 Rad1 Qxd1 Rxd1 Nc6 Re1+ Kf8 Qh3 Rg8 Qc8+ Kg7 Qxb7 Nd4 Qxc7
(67.14)
11 +4.95  Bh6 gxh6 Rad1 Qxd1 Rxd1 Nc6 Qh3 Kf8 Qxh6+ Ke7 Qh4+ Ke8 Qf6 Rf8 b4 Re5
Qg7 (144.16)
11 +4.96  Bg5 (156.28)
11 +5.00  Bg5 Rxg5 Rad1 Rg6 Rxd8+ Kxd8 Qxf7 Re8 Rd1+ Rd6 Rxd6+ cxd6 Qxg7 Nf5
(168.72)
12 +4.86  Bg5 Rxg5 Rad1 Qxd1 Rxd1 f6 Qxb7 Kf7 Qxc7 b5 Re1 Re8 Qd7 Rd5 (272.11)
12 +4.87  Bh6 (377.39)
12 +4.98  Bh6 gxh6 Rad1 Qxd1 Rxd1 Nc6 Qh3 Kf8 Qxh6+ Ke7 Qg7 Rd8 (478.47)

regards
Andy



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