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Subject: Re: Mate Test Suite

Author: Gian-Carlo Pascutto

Date: 03:20:32 09/18/02

Go up one level in this thread

On September 17, 2002 at 22:57:26, Dann Corbit wrote:

>Which engine finds the checkmate in this one:
>[D]r3nr1k/ppqbNpp1/7p/2p1p3/2B4Q/P4P2/1PP4P/2KR2R1 w - -
>?
>
>Not just the key move -- the checkmate sequence.

Analysis by Sjeng 13.1:

1.Ng6+ fxg6 2.Qe7 Rxf3 3.Rxd7 Qc6 4.Rxb7
  µ  (-0.78)   Depth: 5/21   00:00:01  90kN
1.Ng6+ fxg6 2.Qe7 Rxf3 3.Rxd7 Qb6 4.Rxb7 Qd6 5.Rxa7 Rxa7 6.Qxa7
  ³  (-0.67)   Depth: 6/25   00:00:01  184kN
1.Rxg7
  ³  (-0.28)   Depth: 6/25   00:00:02  355kN
1.Rxg7 Kxg7 2.Rg1+ Bg4 3.Nf5+ Kg6 4.Qxh6+ Kxf5 5.fxg4+ Ke4 6.Bd3+ Kd5 7.Qxf8
  +-  (3.43)   Depth: 6/25   00:00:02  420kN
1.Rxg7 Kxg7 2.Rg1+ Bg4 3.Nf5+ Kg6 4.Qxh6+ Kxf5 5.fxg4+ Ke4 6.Bd3+ Kd5 7.Qxf8
  +-  (3.43)   Depth: 6/25   00:00:02  428kN
1.Rxg7
  +-  (3.93)   Depth: 7/30   00:00:03  631kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bf5 5.Qe7
  +-  (12.88)   Depth: 7/30   00:00:04  1756kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bf5 5.Qe7
  +-  (12.88)   Depth: 7/30   00:00:05  2373kN
1.Rxg7
  +-  (13.38)   Depth: 8/30   00:00:09  3547kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bc6 5.Qe7 Kh8 6.Ng6+ Kh7 7.Qxf7+ Ng7
8.Nxe5
  +-  (15.42)   Depth: 8/30   00:00:11  5040kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bc6 5.Qe7 Kh8 6.Ng6+ Kh7 7.Qxf7+ Ng7
8.Nxe5
  +-  (15.42)   Depth: 8/30   00:00:13  6304kN
1.Rxg7
  +-  (15.92)   Depth: 9/32   00:00:23  9936kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bc6 5.Qh5 Nd6 6.Rxd6 Bd5 7.Qxh6+ Kg8
8.Bxd5 Rxf8 9.Bxb7
  +-  (18.90)   Depth: 9/32   00:00:27  12996kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Bc6 5.Qh5 Nd6 6.Rxd6 Bd5 7.Qxh6+ Kg8
8.Bxd5 Rxf8 9.Bxb7
  +-  (18.90)   Depth: 9/32   00:00:30  16503kN
1.Rxg7
  +-  (19.40)   Depth: 10/34   00:01:04  31889kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Nf6 5.Nxd7 Ng8 6.Rg1+ Kh7 7.Bxf7 Rc8
8.Qe4+ Kh8 9.Qxe5+ Kh7 10.Nxc5
  +-  (20.59)   Depth: 10/34   00:01:14  41223kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Nf6 5.Nxd7 Ng8 6.Rg1+ Kh7 7.Bxf7 Rc8
8.Qe4+ Kh8 9.Qxe5+ Kh7 10.Nxc5
  +-  (20.59)   Depth: 10/34   00:01:22  51590kN
1.Rxg7
  +-  (21.09)   Depth: 11/37   00:02:58  95480kN
1.Rxg7 Qb6 2.Rg6 Qxg6 3.Nxg6+ Kg7 4.Nxf8 Nf6 5.Nxd7 Nxd7 6.Rxd7 Rf8 7.Qg3+ Kh7
8.Rxf7+ Rxf7 9.Bxf7 h5 10.Qg8+ Kh6 11.Qg6#
  +-  (#11)   Depth: 11/37   00:04:08  170570kN

(Pascutto, Gent 18.09.2002)

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