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Subject: Solution!

Author: Ingo Bauer

Date: 12:28:17 09/24/04

Go up one level in this thread


Hi

Mark Ryan was right!

What really attracts me is that this kind of game (for both sides) is usually
called anti-computer startegy or blocking. Both Computers decided to play this
way but it looks so human.

To all those who suspected a human in that game - I have not asked "who was the
human", but you can see by your reaction that this really looks human!

To defend Fritz in this game I have to admit that Fritz played on a P4-2000Mhz
while had a computer about 1.7 times faster (XP@2500MHz).

I give three PGNs for this:

PGN with all evals and times which could be looked at by a human too:

[Event "90m + 30s"]
[Date "2004.09.24"]
[White "Fritz 8"]
[Black "Shredder 8"]
[WhiteElo "2493"]
[BlackElo "2640"]
[ECO "C49"]
[Result "0-1"]

1. e4 {0s} e5 {0s} 2. Nf3 {0s} Nc6 {0s} 3. Nc3 {0s} Nf6
{0s} 4. Bb5 {0s} Bb4 {0s} 5. O-O {0s} O-O {0s} 6. d3 {0s}
d6 {0s} 7. Bg5 {0s} Bxc3 {0s} 8. bxc3 {0s} Qe7 {0s} 9. Re1
{0s} Nd8 {0s} 10. d4 {0s} Ne6 {0s} 11. Bc1 {0s} c5 {0s}
12. a4 {0s} Rd8 {0s} 13. Bf1 {0s} Qc7 {0s} 14. d5 {0s} Nf8
{-0.01/20 5:06m} 15. a5 {+0.37/16 57s} h6 {+0.08/19 3:17m}
16. Nh4 {+0.43/16 5:19m} Qe7 {+0.26/21 0s} 17. a6 {+0.47/15
4:20m} b6 {+0.35/19 3:41m} 18. Bb5 {+0.53/15 2:59m} Ng4
{+0.42/20 3:16m} 19. g3 {+0.56/16 3:18m} Nf6 {-0.06/19
4:10m} 20. c4 {+0.62/15 0s} Bh3 {+0.02/20 3:46m} 21. f4
{+0.65/14 2:51m} Ng6 {+0.05/19 3:03m} 22. Nf5 {+0.62/15
4:21m} Qf8 {-0.25/20 0s} 23. Qd3 {+0.78/14 3:20m} Ng4
{-0.36/19 4:42m} 24. Bb2 {+0.93/15 5:16m} f6 {-0.36/19
2:36m} 25. Bc6 {+1.25/14 2:31m} Rab8 {-0.48/20 4:16m}
26. Rab1 {+1.18/15 0s} Ne7 {-0.08/20 2:53m} 27. Nxe7+
{+1.15/16 3:08m} Qxe7 {-0.14/24 0s} 28. f5 {+1.15/15 2:00m}
Rf8 {-0.03/20 48s} 29. Bc1 {+1.12/16 3:24m} Qf7 {+0.12/19
3:24m} 30. Qe2 {+1.18/16 0s} Rbd8 {+0.05/20 2:06m} 31. Bb5
{+1.18/15 1:53m} Kh7 {+0.08/20 2:55m} 32. Rb3 {+1.06/16
2:29m} Qh5 {+0.13/22 49s} 33. Bc6 {+1.15/17 3:56m} Rg8
{+0.12/21 23s} 34. Bd2 {+1.03/16 1:42m} Rh8 {+0.13/21
3:53m} 35. Rd3 {+1.03/16 5:02m} Rhg8 {+0.12/23 2:17m}
36. Rb1 {+1.18/15 1:33m} Rgf8 {+0.12/20 2:29m} 37. Rbb3
{+1.22/17 2:10m} Kg8 {+0.06/21 2:03m} 38. Rf3 {+1.22/16
2:18m} Qf7 {+0.04/22 47s} 39. Bc1 {+1.15/17 39s} Rc8
{+0.05/21 1:41m} 40. Ra3 {+1.28/17 2:29m} Rc7 {0.00/21
2:15m} 41. Bd2 {+0.97/17 3:59m} Qh5 {+0.04/20 1:42m}
42. Rab3 {+1.15/17 2:13m} Rd8 {+0.03/21 2:09m} 43. Bb7
{+1.12/17 3:11m} Re7 {+0.05/21 2:00m} 44. Bc1 {+1.28/16 0s}
Rf7 {+0.03/21 3:06m} 45. Rbd3 {+1.25/17 2:07m} Rfd7
{+0.04/20 1:42m} 46. Ra3 {+1.22/17 1:20m} Rf8 {+0.05/21
1:58m} 47. Rab3 {+1.28/17 1:58m} g5 {+0.07/19 1:30m}
48. Qe1 {+1.43/16 2:56m} Nxh2 {+0.59/18 2:05m} 49. Kxh2
{+0.81/15 2:12m} Bxf5+ {+0.68/20 0s} 50. Kg1 {+0.78/15
2:06m} Bg4 {+0.53/21 0s} 51. Rf2 {+1.22/14 1:02m} Rdf7
{+0.10/19 3:09m} 52. Rh2 {+0.87/15 0s} Qg6 {+0.81/18 55s}
53. Bc6 {+0.84/13 4s} f5 {+1.14/19 1:58m} 54. Ra3 {+0.78/14
0s} fxe4 {+1.36/17 34s} 55. Be3 {+0.50/15 46s} Kg7
{+1.39/18 47s} 56. Bf2 {+0.56/14 1:05m} Qf5 {+1.05/17
1:45m} 57. Re3 {+0.28/15 2:44m} h5 {+1.11/19 0s} 58. Rxe4
{+0.59/15 1:05m} Bf3 {+1.53/19 2:25m} 59. Re3 {+0.40/14 0s}
Qg4 {+1.34/19 2:33m} 60. Qf1 {+0.25/13 1:00m} h4 {+1.91/18
1:46m} 61. Qh3 {0.00/13 0s} Qxc4 {+2.16/18 1:51m} 62. gxh4
{+0.03/13 38s} g4 {+2.31/17 1:01m} 63. Qg3 {0.00/14 28s}
Qxc2 {+2.43/16 8s} 64. Re1 {-0.41/13 1:39m} Qc4 {+2.81/17
56s} 65. Rb1 {-1.00/12 10s} Kh8 {+2.79/17 1:34m} 66. Bb5
{-1.69/13 2:07m} Qxd5 {+2.94/19 0s} 67. Be3 {-1.88/12 54s}
Be4 {+4.57/15 1:13m} 68. Rd2 {-2.60/13 0s} Qe6 {+4.32/16
1:36m} 69. Rf1 {-3.03/11 54s} Rf3 {+4.44/17 0s} 70. Qe1
{-3.28/13 1:39m} Qb3 {+4.44/17 0s} 71. Rxd6 {-3.16/12
1:40m} Qxb5 {+4.49/16 23s} 72. Rxf3 {-3.16/11 34s} Rxf3
{+4.25/16 1:41m} 73. Bf2 {-3.19/11 1:06m} Qb1 {+4.11/16 4s}
74. Qxb1 {-3.28/13 55s} Bxb1 {+4.25/20 0s} 75. Re6
{-3.10/13 49s} e4 {+4.43/19 20s} 76. Re7 {-3.16/14 1:10m}
Bd3 {+5.37/20 1s} 77. Kg2 {-3.44/14 1:06m} Kg8 {+5.47/20
32s} 78. h5 {-3.53/14 36s} Rh3 {+5.34/19 33s} 79. h6
{-3.66/14 43s} Kf8 {+5.34/18 25s} 80. Rd7 {-3.60/14 44s} e3
{+5.95/19 30s} 81. Rxd3 {-3.88/15 38s} exf2 {+6.26/20 14s}
82. h7 {-3.94/15 47s} Rxh7 {+6.41/20 1:23m} 83. Kxf2
{-4.38/16 0s} Ke7 {+6.65/20 59s} 84. Rd1 {-4.53/15 0s} Rg7
{+7.16/21 1:27m} 85. Rd3 {-5.25/16 1:31m} g3+ {+7.95/22
1:28m} 86. Kg2 {-5.85/17 55s} Ke6 {+7.70/22 1:35m} 87. Rd8
{-5.78/17 0s} c4 {+8.42/22 1:59m} 88. Rc8 {-6.66/17 0s} Kd5
{Fritz 8 gibt auf +8.60/18 13s} 0-1


Plain PGN:

[Event "90m + 30s"]
[Date "2004.09.24"]
[White "Fritz 8"]
[Black "Shredder 8"]
[WhiteElo "2493"]
[BlackElo "2640"]
[ECO "C49"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3
d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Ne6 11. Bc1 c5
12. a4 Rd8 13. Bf1 Qc7 14. d5 Nf8 15. a5 h6 16. Nh4 Qe7
17. a6 b6 18. Bb5 Ng4 19. g3 Nf6 20. c4 Bh3 21. f4 Ng6
22. Nf5 Qf8 23. Qd3 Ng4 24. Bb2 f6 25. Bc6 Rab8 26. Rab1
Ne7 27. Nxe7+ Qxe7 28. f5 Rf8 29. Bc1 Qf7 30. Qe2 Rbd8
31. Bb5 Kh7 32. Rb3 Qh5 33. Bc6 Rg8 34. Bd2 Rh8 35. Rd3
Rhg8 36. Rb1 Rgf8 37. Rbb3 Kg8 38. Rf3 Qf7 39. Bc1 Rc8
40. Ra3 Rc7 41. Bd2 Qh5 42. Rab3 Rd8 43. Bb7 Re7 44. Bc1
Rf7 45. Rbd3 Rfd7 46. Ra3 Rf8 47. Rab3 g5 48. Qe1 Nxh2
49. Kxh2 Bxf5+ 50. Kg1 Bg4 51. Rf2 Rdf7 52. Rh2 Qg6 53. Bc6
f5 54. Ra3 fxe4 55. Be3 Kg7 56. Bf2 Qf5 57. Re3 h5 58. Rxe4
Bf3 59. Re3 Qg4 60. Qf1 h4 61. Qh3 Qxc4 62. gxh4 g4 63. Qg3
Qxc2 64. Re1 Qc4 65. Rb1 Kh8 66. Bb5 Qxd5 67. Be3 Be4
68. Rd2 Qe6 69. Rf1 Rf3 70. Qe1 Qb3 71. Rxd6 Qxb5 72. Rxf3
Rxf3 73. Bf2 Qb1 74. Qxb1 Bxb1 75. Re6 e4 76. Re7 Bd3
77. Kg2 Kg8 78. h5 Rh3 79. h6 Kf8 80. Rd7 e3 81. Rxd3 exf2
82. h7 Rxh7 83. Kxf2 Ke7 84. Rd1 Rg7 85. Rd3 g3+ 86. Kg2
Ke6 87. Rd8 c4 88. Rc8 Kd5 0-1


Original PGN from the Chessbase server:

[Event "90m + 30s"]
[Date "2004.09.24"]
[White "Fritz 8"]
[Black "Shredder 8"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2493"]
[BlackElo "2640"]
[Annotator ",IB"]
[PlyCount "176"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {
[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. Bb5 {
[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} O-O {
[%emt 0:00:00]} 6. d3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 7. Bg5 {
[%emt 0:00:00]} Bxc3 {[%emt 0:00:00]} 8. bxc3 {[%emt 0:00:00]} Qe7 {
[%emt 0:00:00]} 9. Re1 {[%emt 0:00:00]} Nd8 {[%emt 0:00:00]} 10. d4 {
[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 11. Bc1 {[%emt 0:00:00]} c5 {
[%emt 0:00:00]} 12. a4 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 13. Bf1 {
[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 14. d5 {[%emt 0:00:00]} Nf8 {
[%eval 1,20] [%emt 0:05:06]} 15. a5 {[%eval 37,16] [%emt 0:00:57]} h6 {
[%eval -8,19] [%emt 0:03:17]} 16. Nh4 {[%eval 43,16] [%emt 0:05:19]} Qe7 {
[%eval -26,21] [%emt 0:00:00]} 17. a6 {[%eval 47,15] [%emt 0:04:20]} b6 {
[%eval -35,19] [%emt 0:03:41]} 18. Bb5 {[%eval 53,15] [%emt 0:02:59]} Ng4 {
[%eval -42,20] [%emt 0:03:16]} 19. g3 {[%eval 56,16] [%emt 0:03:18]} Nf6 {
[%eval 6,19] [%emt 0:04:10]} 20. c4 {[%eval 62,15] [%emt 0:00:00]} Bh3 {
[%eval -2,20] [%emt 0:03:46]} 21. f4 {[%eval 65,14] [%emt 0:02:51]} Ng6 {
[%eval -5,19] [%emt 0:03:03]} 22. Nf5 {[%eval 62,15] [%emt 0:04:21]} Qf8 {
[%eval 25,20] [%emt 0:00:00]} 23. Qd3 {[%eval 78,14] [%emt 0:03:20]} Ng4 {
[%eval 36,19] [%emt 0:04:42]} 24. Bb2 {[%eval 93,15] [%emt 0:05:16]} f6 {
[%eval 36,19] [%emt 0:02:36]} 25. Bc6 {[%eval 125,14] [%emt 0:02:31]} Rab8 {
[%eval 48,20] [%emt 0:04:16]} 26. Rab1 {[%eval 118,15] [%emt 0:00:00]} Ne7 {
[%eval 8,20] [%emt 0:02:53]} 27. Nxe7+ {[%eval 115,16] [%emt 0:03:08]} Qxe7 {
[%eval 14,24] [%emt 0:00:00]} 28. f5 {[%eval 115,15] [%emt 0:02:00]} Rf8 {
[%eval 3,20] [%emt 0:00:48]} 29. Bc1 {[%eval 112,16] [%emt 0:03:24]} Qf7 {
[%eval -12,19] [%emt 0:03:24]} 30. Qe2 {[%eval 118,16] [%emt 0:00:00]} Rbd8 {
[%eval -5,20] [%emt 0:02:06]} 31. Bb5 {[%eval 118,15] [%emt 0:01:53]} Kh7 {
[%eval -8,20] [%emt 0:02:55]} 32. Rb3 {[%eval 106,16] [%emt 0:02:29]} Qh5 {
[%eval -13,22] [%emt 0:00:49]} 33. Bc6 {[%eval 115,17] [%emt 0:03:56]} Rg8 {
[%eval -12,21] [%emt 0:00:23]} 34. Bd2 {[%eval 103,16] [%emt 0:01:42]} Rh8 {
[%eval -13,21] [%emt 0:03:53]} 35. Rd3 {[%eval 103,16] [%emt 0:05:02]} Rhg8 {
[%eval -12,23] [%emt 0:02:17]} 36. Rb1 {[%eval 118,15] [%emt 0:01:33]} Rgf8 {
[%eval -12,20] [%emt 0:02:29]} 37. Rbb3 {[%eval 122,17] [%emt 0:02:10]} Kg8 {
[%eval -6,21] [%emt 0:02:03]} 38. Rf3 {[%eval 122,16] [%emt 0:02:18]} Qf7 {
[%eval -4,22] [%emt 0:00:47]} 39. Bc1 {[%eval 115,17] [%emt 0:00:39]} Rc8 {
[%eval -5,21] [%emt 0:01:41]} 40. Ra3 {[%eval 128,17] [%emt 0:02:29]} Rc7 {
[%eval 0,21] [%emt 0:02:15]} 41. Bd2 {[%eval 97,17] [%emt 0:03:59]} Qh5 {
[%eval -4,20] [%emt 0:01:42]} 42. Rab3 {[%eval 115,17] [%emt 0:02:13]} Rd8 {
[%eval -3,21] [%emt 0:02:09]} 43. Bb7 {[%eval 112,17] [%emt 0:03:11]} Re7 {
[%eval -5,21] [%emt 0:02:00]} 44. Bc1 {[%eval 128,16] [%emt 0:00:00]} Rf7 {
[%eval -3,21] [%emt 0:03:06]} 45. Rbd3 {[%eval 125,17] [%emt 0:02:07]} Rfd7 {
[%eval -4,20] [%emt 0:01:42]} 46. Ra3 {[%eval 122,17] [%emt 0:01:20]} Rf8 {
[%eval -5,21] [%emt 0:01:58]} 47. Rab3 {[%eval 128,17] [%emt 0:01:58]} g5 {
[%eval -7,19] [%emt 0:01:30]} 48. Qe1 {[%eval 143,16] [%emt 0:02:56]} Nxh2 {
[%eval -59,18] [%emt 0:02:05]} 49. Kxh2 {[%eval 81,15] [%emt 0:02:12]} Bxf5+ {
[%eval -68,20] [%emt 0:00:00]} 50. Kg1 {[%eval 78,15] [%emt 0:02:06]} Bg4 {
[%eval -53,21] [%emt 0:00:00]} 51. Rf2 {[%eval 122,14] [%emt 0:01:02]} Rdf7 {
[%eval -10,19] [%emt 0:03:09]} 52. Rh2 {[%eval 87,15] [%emt 0:00:00]} Qg6 {
[%eval -81,18] [%emt 0:00:55]} 53. Bc6 {[%eval 84,13] [%emt 0:00:04]} f5 {
[%eval -114,19] [%emt 0:01:58]} 54. Ra3 {[%eval 78,14] [%emt 0:00:00]} fxe4 {
[%eval -136,17] [%emt 0:00:34]} 55. Be3 {[%eval 50,15] [%emt 0:00:46]} Kg7 {
[%eval -139,18] [%emt 0:00:47]} 56. Bf2 {[%eval 56,14] [%emt 0:01:05]} Qf5 {
[%eval -105,17] [%emt 0:01:45]} 57. Re3 {[%eval 28,15] [%emt 0:02:44]} h5 {
[%eval -111,19] [%emt 0:00:00]} 58. Rxe4 {[%eval 59,15] [%emt 0:01:05]} Bf3 {
[%eval -153,19] [%emt 0:02:25]} 59. Re3 {[%eval 40,14] [%emt 0:00:00]} Qg4 {
[%eval -134,19] [%emt 0:02:33]} 60. Qf1 {[%eval 25,13] [%emt 0:01:00]} h4 {
[%eval -191,18] [%emt 0:01:46]} 61. Qh3 {[%eval 0,13] [%emt 0:00:00]} Qxc4 {
[%eval -216,18] [%emt 0:01:51]} 62. gxh4 {[%eval 3,13] [%emt 0:00:38]} g4 {
[%eval -231,17] [%emt 0:01:01]} 63. Qg3 {[%eval 0,14] [%emt 0:00:28]} Qxc2 {
[%eval -243,16] [%emt 0:00:08]} 64. Re1 {[%eval -41,13] [%emt 0:01:39]} Qc4 {
[%eval -281,17] [%emt 0:00:56]} 65. Rb1 {[%eval -100,12] [%emt 0:00:10]} Kh8 {
[%eval -279,17] [%emt 0:01:34]} 66. Bb5 {[%eval -169,13] [%emt 0:02:07]} Qxd5 {
[%eval -294,19] [%emt 0:00:00]} 67. Be3 {[%eval -188,12] [%emt 0:00:54]} Be4 {
[%eval -457,15] [%emt 0:01:13]} 68. Rd2 {[%eval -260,13] [%emt 0:00:00]} Qe6 {
[%eval -432,16] [%emt 0:01:36]} 69. Rf1 {[%eval -303,11] [%emt 0:00:54]} Rf3 {
[%eval -444,17] [%emt 0:00:00]} 70. Qe1 {[%eval -328,13] [%emt 0:01:39]} Qb3 {
[%eval -444,17] [%emt 0:00:00]} 71. Rxd6 {[%eval -316,12] [%emt 0:01:40]} Qxb5
{[%eval -449,16] [%emt 0:00:23]} 72. Rxf3 {[%eval -316,11] [%emt 0:00:34]} Rxf3
{[%eval -425,16] [%emt 0:01:41]} 73. Bf2 {[%eval -319,11] [%emt 0:01:06]} Qb1 {
[%eval -411,16] [%emt 0:00:04]} 74. Qxb1 {[%eval -328,13] [%emt 0:00:55]} Bxb1
{[%eval -425,20] [%emt 0:00:00]} 75. Re6 {[%eval -310,13] [%emt 0:00:49]} e4 {
[%eval -443,19] [%emt 0:00:20]} 76. Re7 {[%eval -316,14] [%emt 0:01:10]} Bd3 {
[%eval -537,20] [%emt 0:00:01]} 77. Kg2 {[%eval -344,14] [%emt 0:01:06]} Kg8 {
[%eval -547,20] [%emt 0:00:32]} 78. h5 {[%eval -353,14] [%emt 0:00:36]} Rh3 {
[%eval -534,19] [%emt 0:00:33]} 79. h6 {[%eval -366,14] [%emt 0:00:43]} Kf8 {
[%eval -534,18] [%emt 0:00:25]} 80. Rd7 {[%eval -360,14] [%emt 0:00:44]} e3 {
[%eval -595,19] [%emt 0:00:30]} 81. Rxd3 {[%eval -388,15] [%emt 0:00:38]} exf2
{[%eval -626,20] [%emt 0:00:14]} 82. h7 {[%eval -394,15] [%emt 0:00:47]} Rxh7 {
[%eval -641,20] [%emt 0:01:23]} 83. Kxf2 {[%eval -438,16] [%emt 0:00:00]} Ke7 {
[%eval -665,20] [%emt 0:00:59]} 84. Rd1 {[%eval -453,15] [%emt 0:00:00]} Rg7 {
[%eval -716,21] [%emt 0:01:27]} 85. Rd3 {[%eval -525,16] [%emt 0:01:31]} g3+ {
[%eval -795,22] [%emt 0:01:28]} 86. Kg2 {[%eval -585,17] [%emt 0:00:55]} Ke6 {
[%eval -770,22] [%emt 0:01:35]} 87. Rd8 {[%eval -578,17] [%emt 0:00:00]} c4 {
[%eval -842,22] [%emt 0:01:59]} 88. Rc8 {[%eval -666,17] [%emt 0:00:00]} Kd5
{Fritz 8 gibt auf [%eval -860,18] [%emt 0:00:13]} 0-1




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