Author: Kurt Utzinger
Date: 02:42:09 01/31/04
Go up one level in this thread
On January 31, 2004 at 05:21:06, Mike S. wrote:
>On January 30, 2004 at 17:51:32, Kurt Utzinger wrote:
>
>>The position below is from a 90m+30s game between
>>Shredder8 and ChessTiger15 in which White easily
>>won with 45.Qf6 and an won pawn ending.
>
>Another one, where White even gives a bishop to being exchange queens and
>transpose into a won pawn endgame (KPP-KPP only). It occured in a game Crafty
>17.14 - Delfi 4.2, 40/10m P3/700 MHz. IIRC, only 4-piece tbs. were available.
>
>[D]8/8/2q1k3/1p2B3/3Q4/PKP5/1P6/8 w - - 0 86
>
>86.Qd6+!
>
>I don't know if it's the fastest way to mate (I guess so), but also Qd6+ is
>human-like IMO, because after the very simple
>
>86. Qd6+ Qxd6 87. Bxd6 Kxd6 88. a4
>
>it's very easy for White. So no need to deal with "endless" counter-checks from
>a black queen...
>
>Analysis by Crafty 19.06, P3/700 MHz:
>
>86.Kb4 Qb7 87.Qc5 Kf5 88.Qxb5 Qa8 89.Bd6+ Kg6 90.Qd3+ Kf6 91.Qd4+ Kf7 92.a4
> +- (7.84) Depth: 1/7 00:00:00
> +- (9.50) Depth: 10/25 00:00:10 3613kN, tb=9
>86.Qd6+ Qxd6 87.Bxd6 Kxd6 88.Kb4 Kc6 89.a4 Kb6 90.b3 Kc6 91.a5 Kd6 92.Kxb5 Kd5
>93.a6
> +- (10.58) Depth: 10/25 00:00:11 3747kN, tb=13
> +- (11.44) Depth: 13/32 00:00:22 8183kN, tb=223
>
>Regards,
>Mike Scheidl
Hi Mike
It's quite remarkable that Crafty 19.06 found the most
easiest and human-like win with Qd6+. Most engines are
simply unable to do so [exception = Deep Sjeng 1.5 UCI].
Kurt
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