Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: position analysis help

Author: Daniel Shawul

Date: 04:23:49 02/13/05

Go up one level in this thread


On February 13, 2005 at 07:14:54, Christian Koch wrote:

>On February 13, 2005 at 06:46:23, Daniel Shawul wrote:
>
>>On February 13, 2005 at 06:12:44, Christian Koch wrote:
>>
>>>On February 13, 2005 at 05:40:45, Daniel Shawul wrote:
>>>
>>>>the following position  occured in the game b/n DanChess and Yace at cct7
>>>>danchess played here c4!?
>>>>i am not sure if it really is the best move. Took over 5 minutes to find it with
>>>>a clear score (+46).
>>>>
>>>>
>>>>[D]r1bq1k1r/3nbppp/1n1Np3/8/4P1P1/4BP2/PPPQ3P/2KR1B1R w - - 0 1
>>>>
>>>>DanChess analysiz
>>>>13 14 9746 62835077 1. Kb1 Qc7 2. h4 Ne5 3. Nb5 Qc6 4. Qd4 Nbc4 5. Na7 Qd7 6.
>>>>Bxc4 Qxd4 7. Rxd4 Rxa7
>>>>13 14 12891 83403003 1. Kb1 Qc7 2. h4 Ne5 3. Nb5 Qc6 4. Qd4 Nbc4 5. Na7 Qd7 6.
>>>>Bxc4 Qxd4 7. Rxd4 Rxa7
>>>>13 60 31055 207412142 1. c4 Ne5 2. c5 Nbd7 3. Be2 Qc7 4. b4 Bxd6 5. Qxd6+ Qxd6
>>>>6. Rxd6 Rxa2 7. Re1 Ra1+ 8. Kd2 Ra7
>>>>
>>>>any other engine choosing c4?
>>>>
>>>>daniel
>>>
>>>Hell Daniel,
>>>
>>>here is the analysis from Shredder 9 UCI:
>>>
>>>
>>>r1bq1k1r/3nbppp/1n1Np3/8/4P1P1/4BP2/PPPQ3P/2KR1B1R w - -
>>>
>>>Engine: Shredder 9 UCI (384 MB)
>>>by Stefan Meyer-Kahlen
>>>
>>>9/19   0:01   -0.11    1.a3 Qc7 2.Bb5 Kg8 3.Bxb6 Nxb6 4.Be8 Bxd6
>>>                       5.Qxd6 Qb7 6.Bc6 (488.863) 272
>>>
>>>10/21  0:03   -0.04    1.a3 Qc7 2.Nb5 Qc6 3.Nd6 (857.189) 278
>>>
>>>11/31  0:08   -0.24    1.a3 Ba6 2.Bf4 Bxf1 (2.285.337) 280
>>>
>>>11/31  0:08   -0.23++  1.Kb1 (2.482.904) 280
>>>
>>>11/31  0:10   -0.09    1.Kb1 Qc7 2.Bb5 Ne5 3.Qd4 Nd5 4.exd5 Qxd6
>>>                       5.dxe6 Qxd4 6.Bxd4 Nxf3 (2.821.255) 279
>>>
>>>12/25  0:14   -0.08    1.Kb1 Qc7 2.Bb5 Ne5 3.Qd4 Nd5 4.exd5 Qxd6
>>>                       5.dxe6 Qxd4 6.Bxd4 Nxf3 7.Rhf1 (4.109.515) 283
>>>
>>>13/27  0:25   -0.16    1.Kb1 Qc7 2.Bb5 Ba6 3.Bxd7 Nxd7
>>>                       4.Nxf7 Kxf7 5.Qxd7 Rhc8 6.Qxc7 Rxc7
>>>                       7.f4 Bc4 (7.252.302) 286
>>>
>>>14/31  0:46   -0.15    1.Kb1 Qc7 2.Nxc8 Rxc8 3.Ba6 Rb8
>>>                       4.Qa5 Nc5 5.Be2 Nca4 (13.344.650) 284
>>>
>>>15/36  1:23   -0.07    1.Kb1 Qc7 2.Nxc8 Rxc8 3.Ba6 Rb8
>>>                       4.Qa5 Bd6 5.Rd3 (23.612.980) 284
>>>
>>>16/40  3:35   -0.12    1.Kb1 Qc7 2.Bg5 f6 3.Bf4 e5 (61.041.762) 283
>>>
>>>best regards,
>>>Christian
>>
>>Thanks Christian.
>>DanChess (not cct version) still hangs on c4 after 35 minutes of analysis on
>>a slower hardware.
>>I think it is not a blunder ,at least from danchess's point of view.
>>
>>DanChess  WB2 29 MB:
>> 5   00:00  0.49   1. Kb1 Qc7 2. Qb4 Kg8 3. h4
>> 6   00:00  0.27   1. Kb1 Qc7 2. Nxc8 Qxc8 3. Bb5 Kg8 4. h4
>> 7   00:01  0.64   1. Kb1 Qc7 2. Nxc8 Qxc8 3. Bb5 Ra7 4. Qg2 Ra8
>> 8   00:02  0.67   1. Kb1 Qc7 2. Nxc8 Rxc8 3. Bb5 Rd8 4. Qa5 Ra8 5. Ba6
>> 9   00:03  0.48   1. Kb1 Qc7 2. Nxc8 Rxc8 3. Bb5 Rd8 4. Qa5 Ra8 5. Rxd7 Rxa5 6.
>>Rxc7 Rxb5 7. Bxb6 Rxb6
>>10   00:08  0.48   1. Kb1 Qc7 2. Nxc8 Rxc8 3. Bb5 Rd8 4. Qa5 Ra8 5. Rxd7 Rxa5 6.
>>Rxc7 Rxb5 7. Bxb6 Rxb6
>>11   00:24  0.39   1. Kb1 Qc7 2. Nxc8 Rxc8 3. h4 Bc5 4. Bg5 Kg8 5. Bb5 Ne5 6.
>>Qc3 Ra8
>>12   01:29  0.40   1. Kb1 Qc7 2. Bg5 f6 3. Be3 Kg8 4. Nxc8 Qxc8 5. Bb5 Bc5 6.
>>Bxc5 Nxc5 7. Qd6 Nca4
>>13   03:00  0.27   1. Kb1 Qc7 2. Bg5 f6 3. Be3 Kg8 4. Nxc8 Rxc8 5. Bb5 Ne5 6.
>>Qf2 Nbc4 7. h4 Ra8
>>13   04:11  0.55   1. c4 Qc7 2. b4 Ne5 3. Bc5 Nbd7 4. Nb5 Qd8 5. Bxe7+ Qxe7 6.
>>Be2 Kg8 7. c5 Bb7 8. Nd6
>>14   06:50  0.43   1. c4 Qc7 2. b4 Ne5 3. Bc5 Nbd7 4. Nb5 Qd8 5. Bxe7+ Qxe7 6.
>>Be2 Kg8 7. c5 Bb7 8. Nd6 Bc6
>>15   21:19  0.68   1. c4 Ne5 2. Kb1 Qc7 3. c5 Nbd7 4. Qf2 Kg8 5. Bb5 Ba6 6. a4
>>Nc6 7. Qg3 Bxb5 8. axb5 Bxd6 9. Qxd6
>>16   35:27  0.56   1. c4 Ne5 2. Kb1 Qc7 3. c5 Nbd7 4. Qf2 Kg8 5. h4 Ba6 6. Bxa6
>>Rxa6 7. Qe2 Ra8 8. f4 Ng6 9. Nb5
>>
>>regards
>>daniel
>
>Hi Daniel,
>
>here is the analysis from Shredder 9 UCI after 1.c4
>
>
>r1bq1k1r/3nbppp/1n1Np3/8/2P1P1P1/4BP2/PP1Q3P/2KR1B1R b - -
>
>Engine: Shredder 9 UCI (384 MB)
>by Stefan Meyer-Kahlen
>
>1/03   0:00   -0.72--  1...Bxd6 (5) 0
>
>1/07   0:00   -0.76    1...Bxd6 2.Qxd6+ Kg8 3.Bxb6 Qxb6
>                       4.Qxb6 Nxb6 (16) 1
>
>1/07   0:00   +0.16++  1...Rxa2 (24) 1
>
>1/07   0:00   +1.11++  1...Rxa2 (30) 1
>
>1/07   0:00   +2.00    1...Rxa2 (36) 2
>
>2/05   0:00   +1.76    1...Rxa2 2.Qc3 (126) 3
>
>3/13   0:00   +1.89    1...Rxa2 2.Kb1 Ra8 (695) 21
>
>4/10   0:00   +1.78    1...Rxa2 2.Kb1 Ra4 3.b4 (1.538) 32
>
>5/14   0:00   +1.53--  1...Rxa2 2.Kb1 (2.993) 63
>
>5/15   0:00   +1.34    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 (4.764) 75
>
>6/16   0:00   +1.09--  1...Rxa2 2.Kb1 (7.922) 101
>
>6/16   0:00   +1.06    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.Qc2 (10.307) 132
>
>7/18   0:00   +0.88    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.Bb5 Ne5
>                       5.Rhf1 (31.308) 199
>
>8/18   0:00   +0.90    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.c6 Ndc5
>                       5.Bb5 Nb3 (70.292) 236
>
>9/18   0:00   +1.15++  1...Rxa2 2.Kb1 (92.767) 237
>
>9/20   0:00   +1.20    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.Bb5 Ne5
>                       5.Qc2 Bd7 6.Rhf1 (119.262) 254
>
>10/21  0:00   +0.95--  1...Rxa2 2.Kb1 (224.670) 271
>
>10/25  0:01   +0.95    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.c6 Ndc5 (333.093) 280
>
>11/25  0:02   +0.84    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.c6 Ndc5
>                       5.Bb5 Ra8 6.Qd4 Qxd6 7.Qxd6 Bxd6 (727.068) 283
>
>12/28  0:06   +0.72    1...Rxa2 2.Kb1 Ra7 3.c5 Na4 4.Bb5 Naxc5
>                       5.Qb4 Ba6 6.Bxc5 Nxc5 7.Nxf7 Nd3
>                       8.Nxd8 Nxb4 (1.917.270) 291
>
>13/26  0:10   +0.47--  1...Rxa2 2.Kb1 (3.135.924) 291
>
>13/33  0:22   -0.03--  1...Rxa2 2.Kb1 (6.330.495) 284
>
>13/33  0:26   -0.29    1...Rxa2 2.Kb1 Ra7 3.c5 Na8 4.Bb5 Nb8
>                       5.Qc3 (7.575.994) 288
>
>13/33  0:28   -0.28++  1...Qc7 (8.131.571) 288
>
>13/33  0:29   +0.07++  1...Qc7 (8.431.398) 288
>
>13/34  0:38   +0.54    1...Qc7 2.Kb1 Ba6 3.b3 Qc6 4.Bg2 Bxc4
>                       5.bxc4 Nxc4 6.Nxc4 Qxc4 7.Bd4 Kg8 (10.916.744) 280
>
>14/30  0:57   +0.64    1...Qc7 2.Kb1 Ba6 3.Bf4 e5 4.Bg5 f6
>                       5.Be3 Nc5 6.Qb4 (15.794.251) 274
>
>15/31  1:18   +0.61    1...Qc7 2.Kb1 Ba6 3.Bf4 e5 4.Bg5 f6
>                       5.Be3 Rd8 6.Qa5 Bxd6 7.Qxa6 Kg8
>                       8.Be2 Nc5 (21.656.932) 276
>
>16/37  2:03   +0.64    1...Qc7 2.Kb1 Ba6 3.Bf4 e5 4.Be3 Rd8
>                       5.Qa5 Bxd6 6.Qxa6 Bc5 7.Bg5 Ra8
>                       8.Qb5 Kg8 9.Be2 (34.533.642) 279
>
>17/37  4:04   +0.46    1...Qc7 2.Kb1 Ba6 3.Bf4 e5 4.Be3 Kg8
>                       5.b3 Rb8 6.Ka1 f6 7.Be2 Qc6 8.Rhf1 (67.392.211) 275
>
>18/40  7:59   +0.50    1...Qc7 2.Kb1 Ba6 3.Bf4 e5 4.Be3 Rb8
>                       5.Nf5 Bc5 6.b4 Kg8 7.Bxc5 Nxc5 8.b5 Nba4
>                       9.Qd6 Qxd6 10.Rxd6 g6 11.Ne7+ Kg7 (133.800.843) 279

That is a helpful analysis. I will do the same with danchess
best
daniel



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.