Author: Andreas Guettinger
Date: 17:07:38 11/25/02
Go up one level in this thread
On November 25, 2002 at 12:56:59, Joachim Rang wrote:
>On November 24, 2002 at 23:56:30, Terry McCracken wrote:
>
>>[D]8/4p3/4Q3/8/8/k1p3PP/1q3P1K/8 w - - 0 1
>>
>>This is reposted as it was given little attention.
>>
>>
>>http://www.talkchess.com/forums/1/message.html?266990
>
>yep, Terry is right! You can easily try it for yourself, by let the engines play
>against themselves. Althoug many engines show a drawish score in the beginning,
>they realize after a few moves, that white is going to loose. But you have at
>least give the engines 1 minute per move:
>
>Here are a few winning lines:
>
>New game
>Shootout (Ruffian1)
>
>1.Qxe7+ Ka2 2.Qe6+ Kb1 3.Kg2 c2 4.Qe4 Qb5 5.Kh2 Kb2 6.Qd4+ Ka2 7.Qa7+ Kb1 8.Qh7
>Qd5 9.Kg1 Kb2 10.Qh8+ Ka2 11.Qh6 Qd1+ 12.Kg2 c1Q+- 0-1
>
>
>
>New game
>Shootout (ChessTiger14)
>
>1.Qxe7+ Ka2 2.Qe6+ Qb3 3.Qa6+ [3.Qe2+ c2 4.f4 Kb2 5.g4 Qd5 6.Qf2 Kc3 7.Qe3+ Qd3
>8.Qc5+ Kd2 9.Qb4+ Ke3 10.Qc5+ Kxf4 11.Qf2+ Ke4 12.Qf5+ Ke3 13.Qc5+ Kd2 14.Qb4+
>Ke2 15.Qe7+ Qe3 16.Qxe3+ Kxe3+-] 3...Kb2 4.Qf6 Kb1 5.Qf5+ c2 6.Qe4 Ka2 7.Qc6 Kb2
>8.Qf6+ Qc3 9.Qb6+ Kc1 10.Qe6 Kd2 11.Qd5+ Qd3 12.Qa5+ Ke2 13.Qc5 Qd1 14.Qe3+ Kf1
>15.Qe4 c1Q+- 0-1
>
>
>
>
>New game
>Shootout (Shredder62, Blitz:10')
>
>1.Qxe7+ Ka2 2.Qe6+ Kb1 3.Qe1+ Ka2 4.Qe6+ Kb1 5.Qe4+ c2 6.f4 Qc3 7.f5 Kc1 8.f6
>Qxf6 9.h4 Qf2+ 10.Kh3 Kd2 11.Qd5+ Ke1 12.Qe4+ Qe2 13.Qc6 Qf1+ 14.Kg4 Qd3 15.Kh3
>Qf5+ 16.Kh2 Ke2 17.Qe8+ Kf1 18.Qc6 Qf2+ 19.Kh3 Kg1 20.Kg4 Qe2+ 21.Kf5 Qf1+
>22.Kg6 c1Q 0-1
Here is the analysis of Hiarcs7 (1min/move), which ends in a draw:
1. Qxe7+ {H7: 04 1.Qxe7+ Kb3 Qb7+ Kc4 Qe4+ Kc5 Qe5+ Kc4 Kg2 Qb7+ f3 Qb2+
Kf1 = 225}
1... Ka2 {H7: 11 1...Ka2 Qf7+ Kb1 Kg2 = 0}
2. Qe6+ {H7: 11 2.Qe6+ Kb1 Qe1+ Ka2 g4 c2 Qa5+ Kb1 Qf5 Ka1 = 0}
2... Kb1 {H7: 10 2...Kb1 Qg6+ c2 g4 Ka1 Qa6+ Kb1 Qd3 Ka1 Qa6+ = 0}
3. Qe1+ {H7: 11 3.Qe1+ Ka2 Qe3 c2 Qe6+ Qb3 Qe1 Qb2 Qa5+ = 0}
3... Ka2 {H7: 12 3...Ka2 Qf1 c2 Qc4+ Qb3 Qc5 Kb1 Qf5 Kb2 Qe5+ Kb1 = 0}
4. Kg2 {H7: 12 4.Kg2 c2 Qe6+ Ka1 Qa6+ Qa2 Qc6 Qb1 Qa4+ Qa2 Qc6 = 0}
4... c2 {H7: 11 4...c2 Qe6+ Qb3 Qa6+ Kb2 Qf6+ Qc3 Qb6+ Qb3 Qf6+ = 0}
5. Qe6+ {H7: 12 5.Qe6+ Ka1 Qa6+ Kb1 Qg6 Ka1 Qa6+ = 0}
5... Qb3 {H7: 12 5...Qb3 Qc6 Kb2 Qf6+ Qc3 Qb6+ Qb3 Qf6+ = 0}
6. Qc6 {H7: 11 6.Qc6 Kb2 Qf6+ Qc3 = 0}
6... Kb2 {H7: 12 6...Kb2 Qf6+ Qc3 Qb6+ Qb3 Qf6+ = 0}
7. Qf6+ {H7: 10 7.Qf6+ Qc3 Qb6+ Qb3 Qf6+ = 0}
7... Qc3 {H7: 11 7...Qc3 Qb6+ Qb3 Qd4+ Qc3 Qb6+ = 0}
8. Qb6+ {H7: 11 8.Qb6+ Qb3 Qd4+ Qc3 Qb6+ = 0}
8... Qb3 {H7: 11 8...Qb3 Qd4+ Qc3 Qb6+ = 0}
9. Qd4+ {H7: 11 9.Qd4+ Qc3 Qb6+ = 0}
9... Qc3 {H7: 12 9...Qc3 Qb6+ = 0}
10. Qb6+ {H7: 11 10.Qb6+ Qb3 = 0}
10... Qb3 {H7: 12 10...Qb3 Qd4+ = 0}
11. Qd4+ {H7: 11 11.Qd4+ Qc3 = 0}
11... Qc3 {H7: 12 11...Qc3 Qb6+ = 0}
12. Qb6+ {H7: 14 12.Qb6+ = 0}
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