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Subject: Re: Will any engine even consider the sacrifice 13) Bxh7 here?

Author: Tord Romstad

Date: 01:50:37 12/30/03

Go up one level in this thread


On December 30, 2003 at 03:29:45, ludicrous wrote:

>[Event "Blitz:5'"]
>[Site "Manila"]
>[Date "2003.12.30"]
>[Round "?"]
>[White "XXX"]
>[Black "Reyes, Michael"]
>[Result "*"]
>[ECO "C02"]
>[PlyCount "24"]
>
>1. e4 e6 2. d4 d5 3. e5 c5 4. Nc3 Nc6 5. Be3 cxd4 6. Bxd4 Bb4 7. Bb5 Nge7 8. a3
>Bxc3+ 9. Bxc3 O-O 10. Nf3 Qb6 11. a4 a6 12. Bd3 Bd7
>
>Only Junior 7 seems to even look at it

Gothmog 0.4.4a on a Pentium IV 2.4 GHz plays Bxh7 after 0.73 seconds.  After 11
plies and 48 seconds, the score is +1.12 for white:

 1        0.05     0.00         90 O-O
 2       -0.11     0.00        362 O-O d4
 3        0.08     0.02       1787 a5 Qc5 O-O
 4        0.11     0.05       5346 Ng5 Ng6 Qh5 h6
 5        0.27     0.20      15479 Ng5 Ng6 Qh5 h6 a5
 6    <=  0.25     0.41      35112 Ng5 Ng6 Qh5 h6 a5 Qc5
 6    <=  0.23     0.42      35721 Ng5 Ng6 Qh5 h6 a5 Qc5
 6    <=  0.20     0.43      38140 Ng5 Ng6 Qh5 h6 a5 Qc5
 6    >=  0.14     0.50      49037 Ng5 Ng6 Qh5 h6 a5 Qc5
 6    <=  0.14     0.53      53895 Ng5 Ng6 Qh5 h6 a5 Qc5
 6        0.14     0.53      53895 Ng5 Ng6 Qh5 h6 a5 Qc5
 7    >=  0.14     0.73      74462 Bxh7+ Kxh7 Ng5+ Kh6 Qg4 Nf5 Bd2
 7    >=  0.16     0.73      74962 Bxh7+ Kxh7 Ng5+ Kh6 Qg4 Nf5 Bd2
 7    >=  0.22     0.75      78684 Bxh7+ Kxh7 Ng5+ Kh6 Qg4 Nf5 Bd2
 7    >=  0.36     0.83      89949 Bxh7+ Kxh7 Ng5+ Kh6 Qg4 Nf5 Bd2
 7    >=  0.61     0.97     111858 Bxh7+ Kxh7 Ng5+ Kh6 Qg4 Nf5 Bd2
 7    <=  0.98     1.12     134936 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Nh7+ Kf7 Ng5+
                                   Kf8
 7    <=  0.97     1.12     135631 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Nh7+ Kf7 Ng5+
                                   Kf8
 7    <=  0.94     1.13     136708 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Nh7+ Kf7 Ng5+
                                   Kf8
 7    <=  0.86     1.13     138444 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Nh7+ Kf7 Ng5+
                                   Kf8
 7    <=  0.70     1.17     145214 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 a5 Qc5 Qh7+ Kf8 Qh8+ Ng8 O-O
 7    <=  0.61     1.18     147464 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 a5 Qb5 Qf7+ Kh8 Nxe6 Bxe6 Qxe6
 7        0.61     1.18     147464 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 a5 Qb5 Qf7+ Kh8 Nxe6 Bxe6 Qxe6
 8    >=  0.61     1.95     270265 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 a5 Qb5 Qf7+ Kh8 Nxe6 Bxe6 Qxe6
 8    >=  0.62     1.98     275014 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 O-O
 8    >=  0.69     2.10     298963 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qxf7+ Kh8
                                   Qh5+ Kg8 O-O
 8    >=  0.83     2.47     363468 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 O-O
 8    <=  1.06     2.69     398668 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 O-O
 8    <=  1.05     2.70     400684 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 O-O
 8    <=  1.02     2.71     404539 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 O-O
 8    >=  0.95     2.85     431750 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 8    >=  0.97     2.87     436422 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 8    <=  1.00     2.88     439156 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 8    <=  0.98     2.89     441737 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 8    <=  0.97     2.89     444056 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 8        0.97     2.89     444056 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfd8 Qh7+ Kf8 Qh8+
                                   Ng8 Nh7+ Ke7 Qxg7 Bc8 Ng5
 9    <=  0.95     4.19     643968 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 O-O Ne7
 9    <=  0.94     4.23     654631 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 O-O Ne7
 9    >=  0.92     8.63    1304477 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 Nf6 Red8
 9    >=  0.94     8.83    1339240 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 Nf6 Red8
 9        0.94     8.83    1339240 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 Nf6 Red8
10    >=  0.94    15.82    2442557 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 Nf6 Red8 O-O
10    >=  0.95    17.73    2764938 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Qh5+ Kg8 Qh7+ Kf8 Qh8+ Ng8 Qh5 Nh6 Nh7+
                                   Ke7 Qg5+ Kf7 Nf6 Red8 O-O
10    >=  1.02    21.22    3364643 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
10    <=  1.14    22.83    3620616 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
10    <=  1.12    22.90    3638651 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
10    >=  1.11    26.37    4210834 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
10    >=  1.12    27.13    4362407 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
10        1.12    27.13    4362407 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3
11    >=  1.12    43.06    6880844 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3 Nf7+
                                   Kh7
11    <=  1.12    48.62    7784154 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3 Nf7+
11        1.12    48.62    7784154 Bxh7+ Kxh7 Ng5+ Kg8 Qh5 Rfe8 Qxf7+ Kh8
                                   Rd1 d4 Rd3 Nf5 Rh3+ Nh6 Qxd7 dxc3 Nf7+

Tord



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