Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Mate in 16?

Author: Heiner Marxen

Date: 06:16:23 04/13/04

Go up one level in this thread


On April 13, 2004 at 04:47:15, Jouni Uski wrote:

>According to Ruffi mate in 16:
>Ruffian  UCI 61 MB:
> 1   00:00 -6,09   d3d4 e5xd4
> 1   00:00 -5,05   f5f6 Be7xf6
> 1   00:00 -3,79   Bd2h6 Rb2xe2 Rg1xg7+
> 1   00:00 -3,21   Kh1g2
> 1   00:00 -3,15   Kh1h2
> 2   00:00 -3,44   Kh1h2 b5b4
> 3   00:00 -3,20   Kh1h2 b5b4 Kh2h3
> 4   00:00 -3,39   Kh1h2 b5b4 Kh2h3 b4b3
> 5   00:00 -3,39   Kh1h2 b5b4 Kh2g3 b4b3 Kg3h3
> 6   00:00 -3,55   Kh1h2 b5b4 Kh2g3 b4b3 Kg3h3 Kg8h8
> 6   00:00 -3,43   Rg1g2 Be7f6 Kh1h2 Kg8f8 Bd2g5 Kf8e8
> 6   00:00 -2,92   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h7 Qg3h2+
>Be7h4 Qh2xh4+ Kh7g8 Qh4g3+
> 7   00:00 -2,26   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Be7g5 Qg3xg5+
>Kg8f8 Qg5h6+ Kf8e8 Kh1h2 Rb2xd2
> 8   00:00 -0,39   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Be7g5 Qg3xg5+
>Kg8f8 Qg5h6+ Kf8e8 Qh6h8+ Ke8e7 Bd2g5+ Ke7f7 Be2d1 Rb2b1 Qh8h5+ Kf7g8
> 9   00:00  0,00   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Be7g5 Qg3xg5+
>Kg8f8 Qg5h6+ Kf8g8 Qh6g5+
>10   00:01  0,00   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h2+
>11   00:02  0,00   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h2+
>12   00:05  0,00   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h2+
>13   00:10  0,00   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h2+
>14   00:23  0,12   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h3+
>Kh8g8 Qh3g4+ Kg8h8 Qg4h5+ Kh8g8 Qh5g6+ Kg8h8 Bd2h6 Rb2b1+ Nf3g1 Rb1xg1+ Kh1xg1
>Ra2a1+ Be2f1 Be7f8 Qg6f6+ Kh8h7 Qf6xf8
>15+  00:37  0,47   Rg1xg7+
>15   01:36  7,67   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h3+
>Kh8g8 Qh3g4+ Kg8h8 Qg4h5+ Kh8g8 Qh5g6+ Kg8h8 Bd2h6 Rb2b1+ Nf3g1 Rb1xg1+ Kh1xg1
>Ra2a1+ Kg1g2 Ra1g1+ Kg2xg1 Be7f8 Bh6xf8 Bd7xf5 e4xf5 b5b4
>16+  02:20  8,02   Rg1xg7+
>16   03:50  14,76   Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h3+
>Kh8g8 Qh3g4+ Be7g5 Qg4xg5+ Kg8f8 Qg5h6+ Kf8g8 Qh6g6+ Kg8h8 Bd2g5 Qc7d8 Bg5xd8
>Ra2a1+ Nf3g1 Ra1xg1+ Kh1xg1 Rb2b1+ Kg1f2 Rb1f1+ Be2xf1 b5b4 Qg6xd6
>17+  05:58  15,11   Rg1xg7+
>17   13:09  M16  Rg1xg7+ Kg8xg7 Qd1g1+ Kg7h8 Qg1h2+ Kh8g8 Qh2g3+ Kg8h8 Qg3h3+
>Kh8g8 Qh3g4+ Be7g5 Qg4xg5+ Kg8f8 Qg5h6+ Kf8g8 Qh6g6+ Kg8h8 Bd2g5 Qc7d8 Bg5xd8
>Ra2a1+ Nf3g1 Ra1xg1+ Kh1xg1 Rb2b1+ Be2f1 Rb1xf1+ Kg1xf1 Bd7c8 Bd8f6+
>
>We need King or Chest verification :-)
>
>Jouni

(Standard) Chest needs several minutes for "no mate in 9", already.
May be the special mate mode of ChestUCI can help, but it won't prove
a shortest depth, of course.

Cheers,
Heiner



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.