Author: Dieter Buerssner
Date: 15:01:55 02/01/03
Go up one level in this thread
On February 01, 2003 at 15:53:28, Ernst Walet wrote:
> -+ (-6.74) Depth: 23/45 00:03:59 60944kN, tb=166905
>1...Kb7 2.Ka1 Bc7
> -+ (-#81) Depth: 23/47 00:09:02 145434kN, tb=253189
>1...Kb7 2.Kc2 Bd8 3.bxa4 Kb6
> -+ (-#64) Depth: 23/47 00:33:46 658477kN, tb=629801
>1...Bd8 2.bxa4 b3 3.Kxb3
> -+ (-#43) Depth: 23/47 00:38:27 735578kN, tb=743916
>1...axb3 2.Kxb3 Bc7 3.Kb2 b3 4.a4 Bb6 5.Kc3
> -+ (-#40) Depth: 23/48 01:04:23 1244863kN, tb=1416638
>
>(Athlon XP 2400+, 1024MB hash, 3, 4 and 5 piece EGTB's 01.02.2003)
Yace on P4 2.53 GHz, 200M hash is a bit slower to find a mate, but finds a
shorter mate after 12 minutes (I used a special version, that will use 4 vs. 1
TBs, which the normal version won't use).
9679778 1:23.8 4.03 21. 1...Kb7 2. Kc2 Kc6 3. Kd3 Kd6 4. Ke4 Bc7 5. Kf5
a3 6. Kf4 Ke6+ 7. Kf3 Ke7 8. Ke4 Ke6 9. Kf3 Ke7
10. Ke4 Ke6 11. Kf3 {350}
12999968 1:50.7 4.43 22++ 1...Kb7 2. Kc2 Kc6 3. Kd3 Kd6 4. Ke4 axb3 5.
Kf5 Bd8 6. a4
16855712 2:21.6 5.43 22++ 1...Kb7 2. Kc2 Kc6 3. Kd3 Kd6 4. Ke4 axb3 5. a3
21606319 2:57.4 10.43 22++ 1...Kb7 2. Kc2 axb3+ 3. Kxb3
114982841 11:55.4 Mat23 22t 1...Kb7 2. Kc2 axb3+ 3. axb3 Kc6 4. Kd3 Kd6 5.
Ke4 Ke6 6. Kf4 Bd8 7. Kf3H Ke5H 8. Ke3H Bg5+H
9. Kd3H Bf4H 10. Ke2H Kd4H 11. Kf2H Kc3H {HT}
{350}
And a bit later, a nicer PV:
191295360 24:34.5 Mat23 27t 1...Kb7 2. Kc2 axb3+ 3. axb3 Kc6 4. Kd3 Kd6 5.
Ke4 Ke6 6. Kf4 Bd8 7. Kf3 Ke5 8. Ke3 Bg5+ 9.
Kd3 Bh6 10. Ke2 Kd4 11. Kf3 Kc3 12. Ke4 Kxb3
13. Kd5 Kc3 14. Ke5 Kxc4 {EGTB} 15. Kf5 b3 16.
Kg6! Be3 17. Kg7 b2 18. Kg8 b1=Q 19. Kf7! Qb6
20. Kg7 Qc6 21. Kh7 Qf6 22. Kg8 Bd4 23. Kh7
Qg7#! {1431}
Regards,
Dieter
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