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Subject: What a difference a day makes...

Author: Peter Stayne

Date: 13:07:04 10/11/03

It took 6 hours for deep fritz 7 to find the right move, and almost 30 to find
out that it, in fact, wins. Can other engines do better?

(My PC config is in my profile)

[D]8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - 0 1

Analysis by Deep Fritz 7:

1.Nxe3 c4+ 2.Kd5 Ba5 3.Kxc4 Nb8 4.Ba4 Kg7 5.Nd5
  -+  (-2.09)   Depth: 8/28   00:00:00  658kN
1.Nxe3 c4+ 2.Kc6 Be7 3.Nd5 Bd8 4.Nxc3 Nb8+ 5.Kd6 Kg7 6.Be2 Nf7+ 7.Ke6 Ng5+
  -+  (-2.12)   Depth: 9/24   00:00:00  1025kN
1.Nxe3--
  -+  (-2.41)   Depth: 10/24   00:00:01  2358kN
1.Nxe3 Ba5 2.Ke7
  -+  (-2.41)   Depth: 10/24   00:00:01  2373kN
1.Nxe3 Ba5 2.Be2 c4 3.Kd5 Kg6 4.Bxc4 Nb8 5.Bb5 Bc7 6.Nc2
  -+  (-2.47)   Depth: 11/29   00:00:02  5635kN
1.Nxe3 Ba5 2.Be2 Nb8 3.Bd3+ Kg8 4.Ke7 Nc6+ 5.Ke8 Nd4 6.Nc2 Bc7 7.g4 Kg7
  -+  (-2.56)   Depth: 12/29   00:00:05  13097kN
1.Kc6!
  -+  (-2.53)   Depth: 12/30   00:00:07  18313kN
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Ne2 7.Ke5 Nd4
8.Nf5+ Kg6 9.Nxd4+
  -+  (-2.47)   Depth: 12/30   00:00:07  19182kN
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Ne2 7.Ke5 Nd4
8.Nf5+ Kg6 9.Nxd4+
  -+  (-2.47)   Depth: 13/30   00:00:10  27062kN
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Ne2 7.Ke5 Nd4
  -+  (-2.28)   Depth: 14/37   00:00:22  56228kN
1.Kc6 Nf7 2.Nxe3 Nd8+ 3.Kb6 Nb8 4.Bf3 Ne6 5.d8Q Nxd8 6.Be4+ Kg7 7.Kc7 Ne6+
8.Kxb8 Kf6 9.Kb7 Ke5 10.Bc2
  -+  (-2.50)   Depth: 15/36   00:00:42  103686kN
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Ne2 7.Ke5 Kf7
8.Nf5 Kg6 9.Be4 Kg5
  -+  (-2.56)   Depth: 16/47   00:01:37  238010kN, tb=2
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Nh1 7.Nf5+ Kg6
8.Nd6+ Kh5 9.Kd5 Nf2 10.Kc4 Kh4
  -+  (-2.47)   Depth: 17/39   00:03:34  528782kN, tb=16
1.Kc6 Nb8+ 2.Kc7 Nxd7 3.Kxd7 Ne4 4.Nxe3 Nxg3 5.Bc2+ Kg7 6.Ke6 Nh1 7.Nc4 Nf2
8.Nd6 h5 9.Nf5+ Kg6
  -+  (-2.47)   Depth: 18/47   00:07:34  1124864kN, tb=80
1.Kc6 Nf7 2.Nxe3 Ba3 3.Kb6 Nb4 4.Bb3 c4 5.Bxc4 Nd8 6.Kb5 Kg7 7.Bb3 Nbc6 8.g4
  -+  (-2.62)   Depth: 19/51   00:18:53  2806641kN, tb=283
1.Kc6 Nf7 2.Nxe3 Ba3 3.Kb6 Nb4 4.Bb3 c4 5.Bxc4 Nd8 6.Kb5 Kg7 7.Ka4 c2 8.Nxc2
  -+  (-2.62)   Depth: 20/57   00:46:22  6916695kN, tb=1221
1.Kc6--
  -+  (-2.91)   Depth: 21/57   01:49:19  16301390kN, tb=4747
1.Kc6 Nb8+ 2.Kc7
  -+  (-2.91)   Depth: 21/76   02:07:38  19108928kN, tb=7924
1.d8R!
  -+  (-2.87)   Depth: 21/76   05:01:41  45224500kN, tb=24358
1.d8R!
  -+  (-2.72)   Depth: 21/76   05:32:49  49867822kN, tb=30201
1.Nf6+!
  -+  (-2.69)   Depth: 21/76   06:01:57  54192138kN, tb=31185
1.Nf6+!
  -+  (-2.53)   Depth: 21/76   06:09:00  55216198kN, tb=31894
1.Nf6+!
  -+  (-2.22)   Depth: 21/76   06:18:11  56574826kN, tb=33787
1.Nf6+!
  -+  (-1.94)   Depth: 22/62   07:09:05  64109519kN, tb=44538
1.Nf6+!
  -+  (-1.66)   Depth: 22/62   07:33:49  67774553kN, tb=55540
1.Nf6+!
  µ  (-1.09)   Depth: 22/62   08:08:31  72968132kN, tb=79872
1.Nf6+ Kg7 2.Nh5+ Kg6 3.Bc2+ Kxh5 4.d8Q Kg4 5.Kc6 Ba3 6.Qd1+ Kxg3 7.Qg1+ Kf4
8.Qh2+ Kf3 9.Bd1+ Ke4 10.Qg2+ Kf4
  +-  (2.97)   Depth: 22/78   29:10:14  266947722kN, tb=609977

(Stayne, Home 11.10.2003)

Re: What a difference a day makes... Christophe Drieu 11:21:30 10/12/03
Shredder in half the time!! Peter Stayne 05:39:36 10/12/03
- Re: Shredder in half the time!! Ernst Walet 11:18:10 10/12/03
  - Re: Shredder in half the time!! Peter Stayne 15:22:33 10/12/03
Re: What a difference a day makes... Christophe Drieu 23:35:22 10/11/03
- Re: What a difference a day makes... Peter Stayne 00:21:04 10/12/03
Number crunching? or positional? Peter Stayne 21:16:41 10/11/03
- Re: Number crunching? or positional? Uri Blass 02:28:45 10/12/03

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