Author: Dieter Buerssner
Date: 16:31:04 03/13/03
Go up one level in this thread
On March 13, 2003 at 17:16:05, Thomas Lagershausen wrote:
>2b1r3/5pkp/6p1/4P3/QppqPP2/5RPP/6BK/8 b - - 39...c3!
>
>and the black pawns are unstoppable after 40.Qxe8? Qd7! 41.Qxd7 Bxd7
>
>I don´t know any program that finds 39...c3!
With some patience, Yace finds c3 (after 5 1/2 min). Not with a positive score
yet, but I believe with more patience, the score will rise.
It might even be not that difficult to find it much faster for my engine, by
givin some things a higher value. But probably, I would make the engine weaker
in general, while perhaps it would show some nice results in some test
positions.
P4, 2.53 GHz:
72260313 1:33.8 -0.24 13. 1...Rd8 2. Qxb4 Qxe4 3. Qb6 Rd2 4. Rf2 Rxf2 5.
Qxf2 Qf5 6. Qd4 Be6 7. h4 {HT} {0}
129437756 2:53.0 -0.17 14t 1...Rd8 2. Qxb4 Qxe4 3. Qb6 Rd3 4. Rxd3 Qxd3 5.
Qf6+ Kg8 6. Qc6 Be6 7. Qd6 Qxd6 8. exd6 c3 9.
Be4 Kf8 {0}
245095369 5:39.8 -0.16 14t+ 1...c3 2. Qxe8 Qd7 3. Qxd7 Bxd7 4. Rf1 c2 5. e6
Bb5 6. Re1 b3 7. exf7 Kxf7 8. Kg1 b2 9. e5 c1=Q
10. Bf1 {421}
273297580 6:22.5 0.00 14t 1...c3 2. Qxe8 Qd7 3. Qxd7 Bxd7 4. e6 Bb5 5.
Bf1 c2 6. Bxb5 c1=Q 7. e7 Qc2+ 8. Kh1 Qb1+ 9.
Kg2 Qc2+ 10. Kf1 Qd1+ 11. Kf2 Qd2+ 12. Kg1 Qc1+
13. Kg2 Qc2+ {71}
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