Author: Bruce Moreland
Date: 17:11:10 11/21/00
Go up one level in this thread
On November 21, 2000 at 19:12:13, Brian Richardson wrote: >On November 21, 2000 at 18:27:28, Eduard Nemeth wrote: > >>[D]8/2K5/1p6/1P4k1/5p2/8/6P1/8 w - - 0 1 >> >>Here a correct analysis: >> >>1. Kc6 Kg4 2. Kd6 Kh4 3. Ke6 Kg5 4. Ke5 Kg4 5. Kf6 Kh4 6. Kf5 Kg3 7. Kg5 f3 8. >>gxf3 Kxf3 9. Kf5 ++- >> >>1.Kxb6 is draw. >> >>By me this winning only Fritz, without TBs ! >> >>Eduard > >Crafty v17.12 finds the right move, but not the full mate after 1:15 on my >PIII733 at a pretty remarkable depth 23: > > 23 1:05 7.12 1. Kxb6 Kg4 2. Kc6 Kg3 3. b6 Kxg2 4. > b7 f3 5. b8=Q f2 6. Qg8+ Kh1 7. Qc4 > Kg1 8. Qc5 Kg2 9. Qg5+ Kh1 10. Qh6+ > Kg2 11. Qg7+ Kh2 12. Qh7+ Kg1 13. Qg6+ > Kh2 14. Qh5+ Kg1 15. Qg4+ Kh1 16. Qf3+ > Kg1 17. Qg3+ Kf1 18. Qe5 > 23 1:15 ++ 1. Kc6!! > 23 1:23 8.19 1. Kc6 Kg4 2. Kd6 Kh4 3. Ke6 Kg5 4. > Ke5 Kg6 5. Kxf4 Kf6 6. g4 Ke6 7. Kg5 > Kd5 8. Kg6 Kc5 9. g5 Kxb5 10. Kf7 Kc4 > 11. g6 <HT> > 23-> 1:31 8.19 1. Kc6 Kg4 2. Kd6 Kh4 3. Ke6 Kg5 4. > Ke5 Kg6 5. Kxf4 Kf6 6. g4 Ke6 7. Kg5 > Kd5 8. Kg6 Kc5 9. g5 Kxb5 10. Kf7 Kc4 > 11. g6 <HT> I don't know what's beyond the hash table cutoff, but that looks like a huge bonus for an unstoppable pawn. What does Crafty think of the Reti study: [D]7K/8/k1P5/7p/8/8/8/8 w - - 0 1 White to move draws. I might have this slightly wrong, because I'm constructing it from memory. bruce
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