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Subject: Re: Test Move ...Qa8 wins...!

Author: Jonas Cohonas

Date: 07:56:05 04/18/02

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On April 18, 2002 at 09:53:06, Vincent Diepeveen wrote:

>On April 18, 2002 at 09:44:40, Art Basham wrote:
>
>00:02 0 0 256518 (0) 11 MATE09 Qd8-a8 Bd5xa8 Na5-b7 d6-d5 Nb7-d6 d5-d4 e3-e4
>Ba8-c6 a6-a7 Bc6-a4 a7-a8Q Ba4-c6 Qa8-g8 Bc6xe4 Nd6xe4 d4-d3 Ne4-g3
>
>Not sure it's a mate in 9 as i lately care SHIT whether it
>wins in 9 moves or 15 moves, but it's a mate for sure :)
>
>>I wonder what program is the first to find
>>1. Qa8...?!
>>
>>[D]3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - bm Qa8; id Quick-03;

New game
3Q4/3p4/P2p4/N2b4/8/4P3/5p1p/5Kbk w - - 0 1

Analysis by Shredder 6.02:

1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3
  -+  (-2.96)   Depth: 1/2   00:00:00
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3
  +-  (2.14)   Depth: 1/2   00:00:00
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3
  -+  (-2.96)   Depth: 2/4   00:00:00
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nb3
  -+  (-2.46)   Depth: 2/4   00:00:00
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nb3
  -+  (-2.72)   Depth: 3/6   00:00:00
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bb7 4.axb7 d5 5.b8Q
  -+  (-2.46)   Depth: 3/6   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bh3
  -+  (-2.32)   Depth: 3/6   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bh3
  µ  (-1.35)   Depth: 3/6   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Ke2
  µ  (-1.11)   Depth: 3/6   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Ke2
  -+  (-2.68)   Depth: 4/8   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Ke2
  -+  (-2.68)   Depth: 4/8   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Ke2
  -+  (-2.68)   Depth: 5/10   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-2.93)   Depth: 6/12   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.13)   Depth: 6/12   00:00:00
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.13)   Depth: 7/14   00:00:00  191kN
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.13)   Depth: 8/16   00:00:00  254kN
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.13)   Depth: 9/18   00:00:00  319kN
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.38)   Depth: 10/20   00:00:01  706kN
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.88)   Depth: 10/20   00:00:01  832kN
1.Qg5 Be4 2.Ke2 Bg2 3.Qf4 f1Q+ 4.Qxf1 Bxf1+ 5.Kxf1 Bxe3 6.Nc4 Bc5 7.Nd2 d5
  -+  (-3.89)   Depth: 10/20   00:00:01  959kN
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bc5 6.Nd2 d5
  -+  (-3.13)   Depth: 10/20   00:00:01  1119kN, tb=2
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bc5 6.Nd2 d5 7.Ke2
  -+  (-3.13)   Depth: 10/20   00:00:01  1141kN, tb=2
1.Qf8 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bc5 6.Nd2 d5 7.Ke2
  -+  (-3.13)   Depth: 11/22   00:00:02  1220kN, tb=2
1.Qf6 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bf2
  -+  (-3.12)   Depth: 11/22   00:00:02  1603kN, tb=3
1.Qf6 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bf2
  -+  (-2.77)   Depth: 11/22   00:00:02  1693kN, tb=3
1.Qf6 Bg2+ 2.Ke2 f1Q+ 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bg1 6.Nxd6 Bf2 7.Nf5 d5
8.Kxf2
  -+  (-1.48)   Depth: 11/22   00:00:03  2069kN, tb=8
1.Qf6 Bg2+ 2.Ke2 f1N 3.Qxf1 Bxf1+ 4.Kxf1 Bxe3 5.Nc4 Bg1 6.Nxd6 Bf2 7.Nf5 d5
8.Kxf2
  µ  (-1.23)   Depth: 12/24   00:00:04  2641kN, tb=10
1.Qf6 Bg2+ 2.Ke2 d5 3.Qxf2 d4 4.exd4 Bxf2 5.Nc6
  µ  (-0.73)   Depth: 12/24   00:00:04  2871kN, tb=16
1.Qf6 Be4 2.Ke2 Kg2 3.Qg7+ Kh3 4.Qxd7+ Kg3 5.Qg7+ Kh3 6.Qh6+ Kg2 7.Qg5+ Kh3
8.Qh6+ Kg2 9.Qg5+ Kh3 10.Qh6+ Kg2
  =  (0.05)   Depth: 12/24   00:00:12  8358kN, tb=53
1.Qf6 Be4 2.Ke2 Kg2 3.Qg7+ Kh3 4.Qxd7+ Kg3 5.Qg7+ Kh3 6.Qh6+ Kg2 7.Qg5+ Kh3 8.a7
f1Q+
  =  (0.04)   Depth: 13/25   00:00:17  11714kN, tb=69
1.Qa8 Bxa8 2.Nb7 Bxb7 3.axb7 d5
  ²  (0.26)   Depth: 13/25   00:00:22  15289kN, tb=98
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qa6
  +-  (3.22)   Depth: 13/25   00:00:23  15317kN, tb=99
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qa6
  +-  (3.23)   Depth: 13/25   00:00:23  15340kN, tb=99
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qa6
  +-  (3.23)   Depth: 14/26   00:00:23  15366kN, tb=99
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qg8 Bxe4
  +-  (4.07)   Depth: 15/27   00:00:32  22167kN, tb=173
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qg8 Bxe4
  +-  (6.21)   Depth: 15/27   00:00:32  22194kN, tb=173
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qg8 Bxe4
  +-  (6.21)   Depth: 15/27   00:00:32  22222kN, tb=173
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qg8 Bb5+ 8.Nxb5
  +-  (6.04)   Depth: 16/28   00:00:38  27404kN, tb=268
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q d3 7.Qxa4 d2 8.Nf5
  +-  (6.83)   Depth: 17/29   00:01:05  49705kN, tb=829
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bb7 4.axb7 d4 5.b8Q dxe3
  +-  (7.33)   Depth: 17/29   00:01:05  49711kN, tb=829
1.Qa8 Bxa8 2.Nb7 d5 3.Nd6 Bc6 4.a7 d4 5.e4 Ba4 6.a8Q Bc6 7.Qg8
  +-  (#9)   Depth: 17/29   00:01:13  55576kN, tb=1488

(, Dual MP 1600+ 18.04.2002)

jonas




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