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Subject: Re: Good test move....Bxh7+

Author: Richard Pijl

Date: 00:53:20 01/31/05

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On January 30, 2005 at 20:36:47, Rob Basham wrote:

>[D]2b1nrk1/pr3ppp/1q2p3/2p1N1P1/2P5/1P2Q3/P1B2P1P/2KR2R1 w - - 0 1
>
>Junior5 takes 2 min. 33 sec. to find Bxh7+..!
>
>Saitek RISC takes 7 ply.......3 min. 38 sec.

The Baron 1.6.0b1 takes less than a second on a Xeon 2.8:

 ply       time        nodes   score  pv
  4(12).   0:00.05     10038   +1.19  Qe3-h3 g7-g6 Rg1-f1 f7-f5
  5( 8)&   0:00.06     13073   +1.39  Qe3-h3 g7-g6 Bc2-e4 Rb7-b8 Be4-c6
  5(13).   0:00.11     28587   +1.39  Qe3-h3 g7-g6 Bc2-e4 Rb7-b8 Be4-c6
  6(11)&   0:00.14     34811   +1.25  Qe3-h3 g7-g6 Bc2-e4 Rb7-c7 Rd1-d8
                                      Bc8-b7
  6(14).   0:00.48    129036   +1.25  Qe3-h3 g7-g6 Bc2-e4 Rb7-c7 Rd1-d8
                                      Bc8-b7
  7(12)&   0:00.58    153790   +1.39  Qe3-h3 g7-g6 Bc2-e4 Rb7-e7 Ne5-c6
                                      Re7-c7 Nc6-d8
  7(15)+   0:00.72    193966   +1.87  Bc2xh7 (Kg8xh7) (Qe3-h3) (Kh7-g8) (Rg1-g4)

  7(15).   0:00.75    201603   +3.26  Bc2xh7 (Kg8xh7) (Qe3-h3) (Kh7-g8) (Rg1-g4)

  8(15)+   0:00.84    223444   +4.89  Bc2xh7 (Kg8xh7) (Qe3-h3) (Kh7-g8) (Rg1-g4)

  8(16)+   0:00.92    242887   +7.14  Bc2xh7 (Kg8xh7) (Qe3-h3) (Kh7-g8) (Rg1-g4)

  8(18)&   0:01.80    509058  +10.46  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Rb7-d7 Rg4-h4 Rd7xd1 Kc1xd1 Qb6-d8 Kd1-e2
                                      Qd8-d2 Ke2xd2
  8(18).   0:01.98    564361  +10.46  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Rb7-d7 Rg4-h4 Rd7xd1 Kc1xd1 Qb6-d8 Kd1-e2
                                      Qd8-d2 Ke2xd2
  9(19)&   0:04.72   1438023  +12.65  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3
  9(19).   0:05.69   1749711  +12.65  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3
 10(21)&   0:13.66   4251824  +12.61  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 Bc8-a6 (g5-g6)
 10(21).   0:15.73   4943567  +12.61  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 Bc8-a6 (g5-g6)
 11(23)&   0:30.59   9921186  +12.55  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6
 11(23).   0:37.77  12300593  +12.55  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6
 12(24)&   1:15.94  24254423  +13.90  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6 Kg8-f7 (Ng6xf8)

 12(24).   1:27.95  27854220  +13.90  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6 Kg8-f7 (Ng6xf8)

 13(27)&   3:06.58  58401025  +13.90  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6 Kg8-f7 Ng6xf8
 13(27).   3:30.97  66201834  +13.90  Bc2xh7 Kg8xh7 Qe3-h3 Kh7-g8 Rg1-g4
                                      Qb6-a5 Rg4-h4 Qa5-a3 Kc1-b1 Rb7xb3 a2xb3
                                      Qa3xb3 Qh3xb3 f7-f6 Ne5-g6 Kg8-f7 Ng6xf8



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