Author: Richard Pijl
Date: 07:25:02 09/10/04
Go up one level in this thread
On September 10, 2004 at 09:38:48, Martin Baumung wrote:
>Hello,
>
>here's a test position I took from a game between ProDeo 1.0 and Little Goliath
>3.9
>
>[D]2rk1b1r/pR2pp1p/2np1n2/1N6/2qNP3/4BP2/P1PQ3P/4K2R b K - 0 19
>
>Little Goliath 3.9 played 19... Qc4xa2?? and lost.
>
>19... Qxa2 20. Nxa7 Nxa7 (20... Nxd4 21. Qxd4 21... Rc5 22. Qb4) (20... Na5 21.
>Qb4) (20... Qa1+ 21. Kf2 Qxh1 22. Ndxc6+ Ke8 23. Nxc8) 21. Rxa7
>Qc4 (21... Qxa7 22. Nc6+ Rxc6 23. Bxa7) 22. Qa5+ Ke8 23. Nb5 *
>
>Which engines are smart enough NOT to take the pawn?
>
The Baron changes to Ke8 in the end, but is certainly not happy about the
position (Xeon 2.8):
ply time nodes score pv
4(12)+ 0:00.11 17761 -1.19 Qc4xa2 (Nd4xc6) (Rc8xc6) (Rb7-b8) (Kd8-d7)
(Be3-f2)
(Rc6xc2)
4(12)& 0:00.11 19303 -1.13 Qc4xa2 Nd4xc6 Rc8xc6 Rb7-b8 Kd8-d7 Nb5-c3
Qa2-a1 Nc3-b1
4(12). 0:00.16 30677 -1.13 Qc4xa2 Nd4xc6 Rc8xc6 Rb7-b8 Kd8-d7 Nb5-c3
Qa2-a1 Nc3-b1
5(13)& 0:00.39 80722 -1.14 Qc4xa2 Nb5xa7 Nc6xd4 Be3xd4 Rc8xc2 Rb7-b8
Kd8-d7
5(13). 0:00.50 104004 -1.14 Qc4xa2 Nb5xa7 Nc6xd4 Be3xd4 Rc8xc2 Rb7-b8
Kd8-d7
6(16)& 0:01.42 317308 -0.90 Qc4xa2 Nd4xc6 Rc8xc6 Nb5-c3 Qa2-c4 Rb7-b8
Kd8-d7 Be3-d4 Bf8-h6
6(16). 0:01.72 385233 -0.90 Qc4xa2 Nd4xc6 Rc8xc6 Nb5-c3 Qa2-c4 Rb7-b8
Kd8-d7 Be3-d4 Bf8-h6
7(17)& 0:05.53 1275589 -0.86 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-b1 Qd2-c1
Qb1xc1 Be3xc1 Rc8-c7 Ra7-a8 Rc7-c8
7(17). 0:06.39 1474064 -0.86 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-b1 Qd2-c1
Qb1xc1 Be3xc1 Rc8-c7 Ra7-a8 Rc7-c8
8(19)& 0:16.47 4025741 -0.79 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-b1 Qd2-d1
Qb1xd1 Ke1xd1 Rh8-g8 Rh1-g1 Rg8xg1 Be3xg1
8(19). 0:18.50 4515434 -0.79 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-b1 Qd2-d1
Qb1xd1 Ke1xd1 Rh8-g8 Rh1-g1 Rg8xg1 Be3xg1
9(21)& 0:37.17 9310876 -1.03 Qc4xa2 Nb5xa7 Nc6xd4 Be3xd4 Rc8xc2 Qd2-g5
Rc2-c5 Rb7-b8 Kd8-d7 Bd4xc5 Qa2-a1
9(21). 0:48.06 12001847 -1.03 Qc4xa2 Nb5xa7 Nc6xd4 Be3xd4 Rc8xc2 Qd2-g5
Rc2-c5 Rb7-b8 Kd8-d7 Bd4xc5 Qa2-a1
10(23)- 1:40.72 24882492 -1.38 Qc4xa2 (Nb5xa7) (Nc6xd4) (Be3xd4) (Rc8xc2)
(Qd2-g5)
(Bf8-g7) (Rb7-b8) (Kd8-c7) (Rb8-b4)
(Nf6-g4)
10(23)& 2:08.86 32541579 -1.34 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-c4 Rh1-g1
(Qc4-c3) (Ke1-f2) (Qc3xd2) (Be3xd2)
(Rh8-g8)
10(23). 2:08.86 32541618 -1.34 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-c4 Rh1-g1
(Qc4-c3) (Ke1-f2) (Qc3xd2) (Be3xd2)
(Rh8-g8)
11(26)& 3:03.48 47799395 -1.67 Qc4xa2 Nb5xa7 Nc6xa7 Rb7xa7 Qa2-c4 Qd2-a5
Kd8-e8 Nd4-b5 Qc4xc2 Nb5-c7 Ke8-d7 Nc7-d5
Kd7-e8 Qa5-b5 Rc8-c6
11(26)& 9:13.41 144801163 -1.50 Kd8-e8 Nb5xa7 Qc4-a6 Na7xc8 Qa6xb7 Nd4xc6
Qb7xc8 Nc6-d4 Qc8-c4 Be3-g5 Bf8-g7
11(26). 12:25.88 197345039 -1.50 Kd8-e8 Nb5xa7 Qc4-a6 Na7xc8 Qa6xb7 Nd4xc6
Qb7xc8 Nc6-d4 Qc8-c4 Be3-g5 Bf8-g7
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