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Subject: Many possible moves appear to be equal value 4 engines used

Author: Cliff Sears

Date: 09:03:39 11/27/04

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New game
8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 b - - 0 1

Analysis by Ruffian 1.0.1:

1. µ (-1.06): 1...Kd6-e6 2.Rf4-d4 Ke6-f6 3.Rc1-d1 Bh7-g6
2. µ (-1.03): 1...Kd6-c7 2.Kc3-b3 Rd7-d8 3.Kb3-a4 Bh7-g6 4.Rf4-d4 Rd8-e8
5.Ka4-a3 Kc7-b8 6.Ka3-b3 Bg6-f7 7.Bd3-e2 Kb8-c8
3. µ (-1.03): 1...Bh7-g6 2.Rf4-d4 Kd6-c7 3.Kc3-b3 Rd7-e7 4.Bd3-e2 Bg6-f7
5.Be2-d3 Kc7-c8 6.Bd3-e2 Re7-e8 7.Be2-d3 Bf7-e6 8.Bd3-e2
4. µ (-1.03): 1...Rd7-e7 2.Rf4-d4 Kd6-c7 3.Kc3-b2 Bh7-g6 4.Kb2-b3 Bg6-f7
5.Bd3-e2 Kc7-c8 6.Be2-d3 Re7-e8 7.Bd3-e2 Bf7-e6 8.Be2-d3
5. µ (-1.03): 1...Kd6-e7 2.Rc1-d1 Bh7-g6 3.Kc3-b3 Ke7-d8 4.Bd3-e2 Kd8-c8
5.Rf4-d4 Rd7-e7 6.Rd1-c1 Bg6-f7 7.Be2-d3 Bf7-e6 8.Bd3-e2
6. µ (-1.03): 1...Rd7-d8 2.Rf4-d4 Kd6-c7 3.Kc3-b3 Bh7-g6 4.Kb3-a3 Rd8-e8
5.Bd3-e2 Bg6-f7 6.Ka3-b3 Kc7-c8 7.Be2-d3 Bf7-e6 8.Bd3-e2
7. µ (-1.01): 1...Rd7-g7 2.Rf4-d4 Kd6-c7 3.Kc3-b3 Bh7-g6 4.Bd3-e2 Kc7-c8
5.Rc1-c5 Re5-e8 6.Rc5-c1 Bg6-f7 7.Be2-d3 Bf7-e6 8.Bd3-e2
8. µ (-1.00): 1...Rd7-f7 2.Rf4-d4 Kd6-c7 3.Kc3-b3 Bh7-g6 4.Bd3-e2 Rf7-e7
5.Rc1-c5 Kc7-b8 6.Rc5-c1 Bg6-f7 7.Rc1-d1 Re7-e8 8.Rd1-c1
9. µ (-1.00): 1...Rd7-c7 2.Kc3-b3 Bh7-g6 3.Rf4-d4 Rc7-e7 4.Bd3-c4 Kd6-e6
5.Bc4-e2 Ke6-f6 6.Rc1-d1 Re7-e8 7.Be2-d3 Re5-e7 8.Rd4-f4
10. = (-0.20): 1...Re5-e6 2.Bd3xf5 Bh7xf5 3.Rf4xf5 Rd7-h7 4.Kc3-d3 Re6-e4
5.Rc1-b1 Kd6-e6 6.Rf5-f8 Rh7-e7 7.Rf8-h8 Re7-f7 8.Rh8xh5 Rf7xf2
11. = (-0.18): 1...Re5-e8 2.Bd3xf5 Bh7xf5 3.Rf4xf5 Re8-e5 4.Rf5-f6+ Re5-e6
5.Rf6xe6+ Kd6xe6 6.Kc3-d4 Rd7-f7 7.Rc1-c2 Rf7-f5 8.Rc2-d2 Ke6-d6 9.e3-e4 Rf5-e5

New game
8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 b - - 0 1

Analysis by AnMon5.40:

1. ³ (-0.29): 1...Bh7-g6 2.Kc3-b3 Rd7-e7
2. ³ (-0.29): 1...Kd6-e7 2.Kc3-b3 Ke7-e8
3. ³ (-0.29): 1...Rd7-d8 2.Kc3-b3 Rd8-e8 3.Rf4-d4
4. ³ (-0.29): 1...Rd7-c7 2.Kc3-b3 Bh7-g6 3.Rc1-h1
5. ³ (-0.27): 1...Kd6-e6 2.Kc3-b3 d5-d4
6. ³ (-0.27): 1...Rd7-e7 2.Kc3-c2
7. = (-0.25): 1...Rd7-f7 2.Kc3-b3 Rf7-e7 3.b4-b5
8. = (-0.25): 1...Rd7-g7 2.Kc3-b3 Bh7-g6

New game
8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 b - - 0 1

Analysis by Chess Tiger 14.0:

1. µ (-1.02): 1...Bh7-g6 2.Rf4-d4 Rd7-e7 3.Rc1-d1 Re7-c7 4.Rd1-d2 Bg6-f7
5.Rd2-c2 Bf7-e6 6.Rc2-d2 Rc7-e7 7.Rd2-d1 Re7-e8 8.Rd1-c1 Be6-f7 9.Rc1-d1 Re8-e7
10.Rd1-d2
2. µ (-1.02): 1...Rd7-e7 2.Rf4-d4 Bh7-g6 3.Rc1-d1
3. µ (-1.02): 1...Rd7-g7 2.Rf4-d4 Bh7-g6 3.Bd3-c2 Re5-e6 4.Bc2-b1 Kd6-e5
5.Bb1-d3 Rg7-e7 6.Kc3-d2 Re7-e8 7.Rc1-c5 Re8-e7
4. µ (-1.02): 1...Rd7-d8 2.Rf4-d4 Bh7-g6 3.Rc1-d1 Re5-e6 4.Rd1-c1 Kd6-e5
5.Kc3-d2 Rd8-e8 6.Kd2-c3 Ke5-d6 7.Kc3-c2 Re6-e5 8.Kc2-d2 Re8-e6 9.Kd2-c3 Bg6-f7
5. µ (-1.02): 1...Rd7-c7 2.Kc3-d4 Rc7-e7 3.Kd4-c3 Re7-e6 4.Rf4-d4 Re6-e7
5.Rc1-c2
6. µ (-1.02): 1...Kd6-e6 2.Rf4-d4 Ke6-f6 3.Bd3-c2 Re5-e6 4.Bc2-d3 Bh7-g6
5.Rc1-c2 Kf6-e5 6.Rc2-c1 Rd7-d8 7.Kc3-d2
7. µ (-1.02): 1...Rd7-f7 2.Rf4-d4 Rf7-e7 3.Rc1-c2 Re7-e6 4.Rc2-d2 Re6-e8
5.Rd2-d1 Bh7-g6 6.Rd1-c1 Re8-e7 7.Rc1-d1 Re7-c7 8.Rd1-d2 Bg6-f7 9.Rd2-d1 Bf7-e6
8. µ (-1.02): 1...Kd6-e7 2.Rf4-d4 Ke7-f6 3.Bd3-c2

New game
8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 b - - 0 1

Analysis by Anaconda 1.6.2:

1. µ (-1.08): 1...Rd7-e7
2. µ (-0.95): 1...Bh7-g6
3. µ (-0.90): 1...Kd6-e6
4. µ (-0.86): 1...Rd7-f7
5. µ (-0.85): 1...Rd7-d8
6. µ (-0.83): 1...Rd7-c7
7. µ (-0.79): 1...Rd7-g7
8. ³ (-0.65): 1...Kd6-e7
9. ³ (-0.63): 1...Kd6-c7






On November 27, 2004 at 10:23:18, Ross Boyd wrote:

>On November 27, 2004 at 10:21:20, Torstein Hall wrote:
>
>>On November 27, 2004 at 10:20:48, Torstein Hall wrote:
>>
>>>THis is a position from the game Simen Agdestein against Berge Østenstad from
>>>1988. Agdestein played the exelent move 51...Re4. Is there any program that
>>>would shose his move?
>>>
>>>8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 [D] b - - 0 51
>>>
>>>Torstein
>[D]8/1p1r3b/p1pk4/P2prp1p/1P3RpP/2KBP1P1/5P2/2R5 b - - 0 51



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