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Subject: Re: Test Position: deFirmian-Miles -- Mate in 11

Author: pavel

Date: 18:14:45 11/13/01

Go up one level in this thread


On November 13, 2001 at 19:53:14, John Merlino wrote:

>Here's a position from a game the 1988 US Championship in Cambridge Springs. Of
>special interest, note the move number.
>
>[D]rn3r1k/ppBnN1p1/2p1p3/6Np/q2bP1b1/3B4/PPP3PP/R2Q1R1K w - - 0 17
>
>Chessmaster 8000 says Mate in 11 in 1:05 on a PIII-600. How does everybody else
>do?
>
>Time	Depth	Score	Positions	Moves
>----	----	----	----		----
>0:00	1/3	2.36	4894		17.Rxf8+ Nxf8 18.Nf7+ Kh7 19.e5+
>					g6 20.Qd2 Kg7 21.Rf1 Bf5 22.Nxf5+
>					exf5
>0:00	1/3	2.52	7750		17.Ng6+ Kg8 18.Rxf8+ Nxf8 19.Ne7+
>					Kh8 20.Nf7+ Kh7 21.e5+ g6 22.Qd2
>					Kg7 23.Rf1
>0:00	1/4	2.36	21760		17.Ng6+ Kg8 18.Rxf8+ Nxf8 19.Ne7+
>					Kh8 20.Nf7+ Kh7 21.e5+ g6 22.Qd2
>					Kg7 23.Rf1 Bf5 24.Nxf5+ exf5
>0:03	2/5	4.58	121477		17.Ng6+ Kg8 18.Rxf8+ Nxf8 19.Ne7+
>					Kh8 20.Qf1 Nbd7 21.Qf7 Nf6 22.e5
>					Bf5 23.exf6
>0:09	2/6	6.40	372629		17.Ng6+ Kg8 18.Rxf8+ Nxf8 19.Ne7+
>					Kh8 20.Qf1 Bf2 21.Qxf2 Nbd7 22.e5
>					g6 23.Nxg6+ Nxg6 24.Bxg6
>0:31	3/7	Mate14	1358318		17.Ng6+ Kg8 18.Rxf8+ Nxf8 19.Ne7+
>					Kh8 20.Nf7+ Kh7 21.e5+ g6 22.Qd2
>					Be3 23.Qxe3 Kg7 24.Qh6+ Kxf7 25.Bxg6+
>					Nxg6 26.Nxg6 Qa3 27.Qh7+ Ke8 28.Qg8+
>					Qf8 29.Qxf8+ Kd7 30.Qd8#
>0:39	3/7	Mate12	1738578		17.Rxf8+ Nxf8 18.Nf7+ Kh7 19.e5+
>					g6 20.Qd2 Be3 21.Qxe3 Kg7 22.Qh6+
>					Kxf7 23.Bxg6+ Nxg6 24.Nxg6 Qa3
>					25.Qh7+ Ke8 26.Qg8+ Qf8 27.Qxf8+
>					Kd7 28.Qd8#
>1:05	3/8	Mate11	2975456		17.Rxf8+ Nxf8 18.Qf1 Bf5 19.exf5
>					Nbd7 20.fxe6 g6 21.Qf7 Nf6 22.Nxg6+
>					Nxg6 23.Qxg6 Rf8 24.Qh6+ Kg8 25.Bh7+
>					Kh8 26.Qxf8+ Ng8 27.Qxg8#
>3:56	4/9	Mate11	10555931	17.Rxf8+ Nxf8 18.Qf1 Bf5 19.exf5
>					Nbd7 20.fxe6 g6 21.Qf7 Nf6 22.Nxg6+
>					Nxg6 23.Qxg6 Rf8 24.Nf7+ Rxf7 25.exf7
>					Bxb2 26.f8=Q+ Ng8 27.Qfxg8#




Analysis by Goliath Light 1.5:

1.Rxf8+ Nxf8 2.Qf1 Na6 3.Nf7+ Kh7 4.e5+ g6 5.b3
  +-  (1.69)   depth: 6/21   00:00:00
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.Nf7+ Kh7 4.e5+ g6 5.Qf4 Qb4
  +-  (1.73)   depth: 6/23   00:00:00  152kN
1.Qe1
  +-  (1.84)   depth: 6/23   00:00:00  230kN
1.Qe1 Rf6 2.Nf7+ Rxf7 3.Rxf7 Bxb2
  +-  (1.97)   depth: 6/23   00:00:00  232kN
1.Qe1 Rf6 2.Nf7+ Rxf7 3.Rxf7 Bxb2
  +-  (1.97)   depth: 7/23   00:00:00  313kN
1.Qe1 Rf6 2.Nf7+ Rxf7 3.Rxf7 Bxb2
  +-  (1.67)   depth: 7/23   00:00:00  512kN
1.Qe1 Bxb2 2.Ng6+ Kg8 3.Nxf8 Nxf8 4.Rb1 Qxa2
  +-  (1.68)   depth: 7/24   00:00:00  587kN
1.Rxf8+
  +-  (1.79)   depth: 7/24   00:00:00  692kN
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.e5 Bf5 4.Nf7+ Kh7 5.c3 Bb6 6.Bxf5+ exf5 7.Qxf5+ g6
8.Nxg6 Nxg6 9.Qxd7 Bxc7 10.Qxc7
  +-  (3.68)   depth: 7/27   00:00:01  1104kN
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.e5 Bf5 4.Nf7+ Kh7 5.c3 Bb6 6.Bxf5+ exf5 7.Qxf5+ g6
8.Nxg6 Nxg6 9.Qxd7 Bxc7 10.Qxc7
  +-  (3.68)   depth: 8/27   00:00:01  1462kN
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.e5 Bf5 4.Nf7+ Kh7 5.c3 Bb6 6.Bxf5+ exf5 7.Qxf5+ g6
8.Nxg6 Nxg6 9.Qxd7 Bxc7 10.Qxc7
  +-  (3.98)   depth: 8/31   00:00:01  2056kN
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.e5 Bf5 4.Nf7+ Kh7 5.c3 Bb6 6.Bxf5+ exf5 7.Qxf5+ g6
8.Nxg6 Nxg6 9.Qxd7 Bxc7 10.Qxc7
  +-  (4.78)   depth: 8/31   00:00:02  3230kN
1.Rxf8+ Nxf8 2.Qf1 Bf6 3.Nf7+ Kh7 4.e5+ Bf5 5.Bxf5+ exf5 6.Qxf5+ g6 7.Qxf6 Qxc2
  +-  (6.78)   depth: 8/32   00:00:03  4653kN
1.Rxf8+ Nxf8 2.Qf1 Bf6 3.Nf7+ Kh7 4.e5+ Bf5 5.Bxf5+ exf5 6.Qxf5+ g6 7.Qxf6 Qxc2
  +-  (6.78)   depth: 9/32   00:00:04  5505kN
1.Rxf8+ Nxf8 2.Qf1 Bf6 3.Nf7+ Kh7 4.e5+ Bf5 5.Bxf5+ exf5 6.Qxf5+ g6 7.Qxf6 Qxc2
  +-  (7.08)   depth: 9/32   00:00:04  6946kN
1.Rxf8+ Nxf8 2.Qf1 Bf2 3.Qxf2 Nbd7 4.e5 Bf5 5.b3 Qb4 6.Nf7+ Kh7 7.Bxf5+
  +-  (7.78)   depth: 9/32   00:00:05  8893kN
1.Ng6+
  +-  (7.89)   depth: 9/32   00:00:05  9117kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1
  +-  (7.88)   depth: 9/34   00:00:07  13393kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1
  +-  (7.88)   depth: 10/34   00:00:08  13586kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1
  +-  (8.18)   depth: 10/34   00:00:08  14329kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1
  +-  (8.98)   depth: 10/34   00:00:08  14633kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.fxe6+ g6
8.exd7 Nxd7
  +-  (11.40)   depth: 10/36   00:00:19  31492kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.fxe6+ g6
8.exd7 Nxd7
  +-  (11.40)   depth: 11/36   00:00:20  33373kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.fxe6+ g6
8.exd7 Nxd7
  +-  (11.70)   depth: 11/36   00:00:22  37394kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.fxe6+ g6
8.exd7 Nxd7
  +-  (12.50)   depth: 11/36   00:00:23  39159kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.f6+ g6
8.Qf4
  +-  (15.75)   depth: 11/40   00:00:57  118794kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.f6+ g6
8.Qf4
  +-  (15.75)   depth: 12/40   00:01:00  126126kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.f6+ g6
8.Qf4
  +-  (16.05)   depth: 12/40   00:01:08  139265kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf5 4.Ne7+ Kh8 5.exf5 Nbd7 6.Nf7+ Kh7 7.f6+ g6
8.Qf4
  +-  (16.85)   depth: 12/40   00:01:11  143061kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Ne7+ Kh8 4.Nf7+ Kh7 5.e5+ g6 6.Qc1 Be3 7.Qxe3 Kg7
8.Qh6+ Kxf7 9.Bxg6+ Nxg6 10.Qxg6+ Kxe7 11.Bd6+ Kd8 12.Qg8+
  +-  (#15)   depth: 12/40   00:03:00  433256kN
1.Rxf8+ Nxf8 2.Nf7+ Kh7 3.e5+ g6 4.Qc1 Be3 5.Qxe3 Kg7 6.Qh6+ Kxf7 7.Bxg6+ Nxg6
8.Qxg6+ Kxe7 9.Bd6+ Kd8 10.Qg8+
  +-  (#13)   depth: 12/40   00:03:00  433256kN

(Mahamood, home 13.11.2001)


=====================================================
Mahamood,P - Goliath Light 1.5
rn3r1k/ppBnN1p1/2p1p3/6Np/q2bP1b1/3B4/PPP3PP/R2Q1R1K w - - 0 1

Analysis by Junior 6.0:

1.Qxg4 Rxf1+ 2.Rxf1 hxg4
  -+  (-4.74)   depth: 3   00:00:00
1.Qd2 Rxf1+ 2.Rxf1 Bxb2
  =  (0.10)   depth: 3   00:00:00
1.Qb1 Rxf1+ 2.Bxf1 e5
  =  (0.24)   depth: 3   00:00:00
1.Qc1 Rxf1+ 2.Bxf1 e5
  ²  (0.29)   depth: 3   00:00:00
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Ne7+ Kh8
  ²  (0.64)   depth: 3   00:00:00  1kN
1.Ng6+ Kg8 2.Rxf8+ Nxf8 3.Qf1 Bf6 4.e5 Bxg5 5.Qxf8+
  ±  (0.93)   depth: 6   00:00:00  16kN
1.Qc1!
  ±  (0.94)   depth: 6   00:00:00  22kN
1.Qc1! Na6 2.Ng6+ Kg8
  +-  (1.94)   depth: 6   00:00:00  37kN
1.Rxf8+!
  +-  (1.95)   depth: 6   00:00:00  51kN
1.Rxf8+ Nxf8 2.Qf1 Nbd7 3.Nf7+ Kh7 4.h3 Bxh3 5.gxh3
  +-  (2.15)   depth: 6   00:00:00  56kN
1.Rxf8+!
  +-  (2.45)   depth: 9   00:00:00  241kN
1.Rxf8+! Nxf8 2.Qf1 Nbd7 3.e5 Bf5 4.Bxf5 g6 5.Bxg6 Bxb2 6.Rb1 Qxa2 7.Nf7+ Kg7
8.Bxh5
  +-  (4.36)   depth: 9   00:00:00  553kN
1.Rxf8+!
  +-  (4.66)   depth: 12   00:00:01  1423kN
1.Rxf8+! Nxf8 2.Nf7+ Kh7 3.e5+ g6 4.Qd2
  +-  (#13)   depth: 12   00:00:20  14470kN
1.Rxf8+ Nxf8 2.Nf7+ Kh7 3.e5+ g6 4.Qd2
  +-  (#13)   depth: 12   00:00:24  17139kN

(Mahamood, home 13.11.2001)





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