Author: Andreas Stabel
Date: 07:06:12 05/05/03
Go up one level in this thread
On May 05, 2003 at 09:59:27, Joachim Rang wrote:
>On May 05, 2003 at 09:40:48, Enrique Irazoqui wrote:
>
>>This is a study that Grigoriev published in 1931 as "white to move and win". I
>>think it is a mate in 28, but I'm not sure. I find the first move and the
>>maneuvre beautiful.
>>
>>[d]8/1p3p2/1p2p3/7p/2P1P3/k6P/6P1/4K3 w - - 0 1
>>
>>Grigoriev,N - Study
>>Mate in 28?, 1931
>>[El País, 3-5-2003]
>>
>>1.e5 Kb4 2.h4 Kxc4 3.g4 Kd4 4.gxh5 Kxe5 5.h6 Kf6 6.h5 b5 7.Kd2 b4 8.Kc2 e5 9.Kb3
>>e4 10.Kxb4 e3 11.Kc3 b5 12.Kd3 b4 13.Kxe3 b3 14.Kd3 Kg5 15.h7 b2 16.Kc2 b1Q+
>>17.Kxb1 Kxh5 18.h8Q+ Kg5 19.Qg7+ Kf5 20.Qxf7+ Ke4 21.Qe6+ Kf3 22.Qf5+ Ke3 23.Kc2
>>Kd4 24.Qe6 Kc5 25.Kc3 Kb5 26.Qd6 Ka5 27.Kc4 Ka4 28.Qb4# 1-0
>>
>>Enrique
>
>yes very beautiful. I found the idea without a comp and relized that whit will
>win any pawn race, but I overlooked the possibility for black not to advance its
>b pawns and to walk straight to the kingside. The beautiful move 6.h5! secures
>the win for white. I'm interested how long does todays programs need to find the
>solution?
Ruffian 1.01:
18--> 16.61 -1.62 1. h4 f5 2. exf5 exf5 3. Kd2 Kb4 4. Kd3 b5 5. cxb5
Kxb5 6. Kd4 Kc6 7. Ke5 b5 8. Kxf5 b4 9. Ke4 b3
10. Kd3
19/29 17.23 -- h4
19/34 20.03 -2.17 1. h4 f5 2. exf5 exf5 3. Kd2 Kb4 4. Kd3 b5 5. cxb5
Kxb5 6. Kd4 Ka5 7. Ke5 b5 8. Kxf5 b4 9. Ke4 b3
10. Kd3 b2 11. Kc2
19/34 23.11 x.xx e5
19/34 24.45 -1.73 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 e4 10. Kxb4
19--> 24.51 -1.73 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 e4 10. Kxb4
20/36 26.33 -1.87 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kd3 e5 9. Kc4 e4 10. h7
Kg7 11. Kd4
20--> 28.34 -1.87 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kd3 e5 9. Kc4 e4 10. h7
Kg7 11. Kd4
21/36 31.73 -1.87 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kd3 e5 9. Kc4 b5+ 10. Kd3
b3 11. Kc3 e4 12. Kxb3 e3
21--> 34.64 -1.87 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kd3 e5 9. Kc4 b5+ 10. Kd3
b3 11. Kc3 e4 12. Kxb3 e3
22/41 40.44 -2.12 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Ke3 e5 9. Kd3 b3 10. Kc3
e4 11. Kxb3 e3
22--> 48.16 -2.12 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Ke3 e5 9. Kd3 b3 10. Kc3
e4 11. Kxb3 e3
23/44 1:00 -2.16 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Ke3 e5 9. Kd3 b5 10. Kd2
e4 11. Ke3 b3 12. h7 Kg7
23--> 1:11 -2.16 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Ke3 e5 9. Kd3 b5 10. Kd2
e4 11. Ke3 b3 12. h7 Kg7
24/44 2:06 ++ e5
24/45 2:41 -1.70 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 b5 10. Kxb4
e4 11. Kc3
24--> 2:56 -1.70 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 b5 10. Kxb4
e4 11. Kc3
25/50 4:04 -1.70 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 b5 10. Kxb4
25--> 4:30 -1.70 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 b5 10. Kxb4
26/51 9:21 ++ e5
26/51 17:57 -0.67 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 e4 10. Kxb4
b5 11. Kc3 e3 12. Kd3 b4 13. Kxe3 b3
26--> 18:39 -0.67 1. e5 Kb4 2. h4 Kxc4 3. g4 Kd4 4. gxh5 Kxe5 5. h6
Kf6 6. h5 b5 7. Kd2 b4 8. Kc2 e5 9. Kb3 e4 10. Kxb4
b5 11. Kc3 e3 12. Kd3 b4 13. Kxe3 b3
Regards
Andreas Stabel
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