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Subject: Re: Can Bob fix this?

Author: Slater Wold

Date: 11:46:14 10/06/03

Go up one level in this thread


On October 06, 2003 at 14:30:20, Dann Corbit wrote:

>On October 06, 2003 at 13:59:30, Slater Wold wrote:
>
>>On October 06, 2003 at 13:56:33, Dann Corbit wrote:
>>
>>>On October 06, 2003 at 13:51:29, Slater Wold wrote:
>>>
>>>>[D]8/6NK/8/1Bk5/P5q1/8/8/8 w - - 0 107
>>>>
>>>>A lot of engines, after a lot of time can see this is lost.
>>>>
>>>>Crafty cannot.
>>>>
>>>>Any ideas on how to fix this?  Other than waiting for Eugene to make the TB?  :)
>>>
>>>Are you sure that it is lost?
>>>
>>>What is the sequence of moves that wins for black?
>>
>
>This indicates that Rg8 loses.
>How about Kh6?

Another engines "proof":

------------ changing mode...
------------ changing mode...
00:00:00  d->04  +0.74  d5c4 d8d6 g1f2 g7g6
00:00:00  d->06  +0.87  d5c4 d8d6 d1d6 c7d6 c1d1 d6b6
00:00:00  d->07  +0.77  d5c4 g7g6 h5f3 e7f5 e3e4 d8d1 c1d1 f5d4
00:00:01  d->08  +0.70  d5c4 g7g6 h5f3 e7f5 c4d3 f5e7 d1d2 b7b5 d3a6
00:00:01  d->08  +0.71  d5e4!
00:00:01  d->08  +0.76  d5e4 d8d1 c1d1 f7f5 e4d3 g7g6 d3c4 g8g7 h5f3 e7c6 c4b5
00:00:03  d->09  +0.66  d5e4 f7f5 e4d3 g7g6 d3c4 g8g7 h5h4 d8d6 d1d6 c7d6
00:00:03  d->09  +0.67  d5c4!
00:00:03  d->09  +0.71  d5c4 g7g6 h5f3 d8d1 c1d1 e7f5 f3e4 f5d6 e4e5 f8d8
00:00:04  d->09  +0.72  c1c5!
00:00:05  d->09  +1.09  c1c5 c7b6 c5c3 e7d5 d1d5 d8d5 h5d5 f8d8 d5h5 g8f7
00:00:06  d->10  +0.79  c1c5?
00:00:06  d->10  +0.77  c1c5 c7b6 c5c3 e7d5 d1d5 d8d5 h5d5 f8d8 d5h5 d8d2 h5f5
00:00:08  d->10  +0.78  d5c4!
00:00:13  d->10  +0.80  d5c4 e7g6 d1d8 f8d8 c1d1 d8e8 h5h3 c7b6 h3f5 e8e3 c4f7
00:00:30  d->11  +0.64  d5c4 g7g6 h5f3 d8d1 c1d1 f8e8
00:00:31  d->11  +0.65  c1c5!
00:00:36  d->11  +1.65  c1c5!!
00:00:45  d->11  +1.77  c1c5 c7b8 d5e4 d8d1 h5d1 f8d8 d1e2 g7g6 b3b4 f7f5 e2c4
g8f8 e4d3 d8d4
00:01:01  d->12  +1.52  c1c5 c7b8 d5e4 g7g6 d1d8 f8d8 h5f3 b8d6 b3b4 b7b6 c5c4
d6d2 g4h5
00:02:07  d->13  +1.70  c1c5 c7b8 d5e4 g7g6 d1d8 b8d8 h5f3 d8d2 g1f1 f7f5 e4b7
d2d3 f1f2 d3b3
00:03:02  d->14  +1.59  c1c5 c7b8 d5e4 g7g6 h5e2 d8d1 e2d1 f8d8
00:09:14  d->15  +1.67  c1c5 c7b8 d5e4 g7g6 d1d8 b8d8 h5f3 d8d2 g2g4 f8b8 g1f1
d2h2 e4b7 f7f5 g4g5 g5f4
00:09:49  d->07   -1.31  h7g8 c5b4 b5e8 b4a5 e8f7 g4c8 g7e8 c8c5 e8c7 TBHits:193
00:09:50  d->08   -1.30  h7g8 g4c8 g7e8 c5d4 g8g7 c8f5 e8f6 d4e5 f6e8 f5f6
TBHits:321
00:09:50  d->08   -1.30  h7g8 g4c8 g7e8 c5d4 g8g7 c8f5 e8f6 d4e5 f6e8 f5f6
TBHits:329
00:09:53  d->09   -1.33  h7g8 g4g5 g8f7 g5f4 f7e6 f4e4 e6f6 e4d4 f6g6 d4g4 g6f6
g4d4 TBHits:1107
00:09:54  d->09   -1.33  h7g8 g4g5 g8f7 g5f4 f7e6 f4e4 e6f6 e4d4 f6g6 d4g4 g6f6
g4d4 TBHits:1424
------------ changing mode...
------------ changing mode...
00:00:00  d->07   -1.31  h7g8 c5b4 b5e8 b4a5 e8f7 g4c8 g7e8 c8c5 e8c7 TBHits:193
00:00:00  d->08   -1.30  h7g8 g4c8 g7e8 c5d4 g8g7 c8f5 e8f6 d4e5 f6e8 f5f6
TBHits:321
00:00:00  d->08   -1.30  h7g8 g4c8 g7e8 c5d4 g8g7 c8f5 e8f6 d4e5 f6e8 f5f6
TBHits:329
00:00:01  d->09   -1.33  h7g8 g4g5 g8f7 g5f4 f7e6 f4e4 e6f6 e4d4 f6g6 d4g4 g6f6
g4d4 TBHits:1107
00:00:01  d->09   -1.33  h7g8 g4g5 g8f7 g5f4 f7e6 f4e4 e6f6 e4d4 f6g6 d4g4 g6f6
g4d4 TBHits:1424
00:00:03  d->10   -1.34  h7g8 c5d6 g8f7 g4f4 f7g6 d6e5 g7e8 f4g4 g6f7 g4e6
TBHits:2227
00:00:06  d->10   -1.33  h7h6! TBHits:3146
00:00:09  d->10   -1.32  h7h6 g4f4 h6g6 c5d6 g7e8 d6e6 b5c6 f4f5 g6h6 f5c5 e8g7
e6e5 c6g2 c5d4 TBHits:4345
00:00:14  d->10   -1.32  h7h6 g4f4 h6g6 c5d6 g7e8 d6e6 b5c6 f4f5 g6h6 f5c5 e8g7
e6e5 c6g2 c5d4 TBHits:6485
00:00:22  d->11   -1.33  h7h6 g4f4 h6g6 c5d6 g7e8 d6e6 e8g7 e6e5 g7e8 f4f5 g6g7
e5e6 b5c4 e6e7 c4b5 f5g5 g7h6 TBHits:9242
00:00:22  d->11   -1.33  h7h6 g4f4 h6g6 c5d6 g7e8 d6e6 e8g7 e6e5 g7e8 f4f5 g6g7
e5e6 b5c4 e6e7 c4b5 f5g5 g7h6 TBHits:9426
00:00:37  d->12   -1.40  h7h6 c5d6 g7h5 g4e6 h6g5 d6e5 g5h4 e6e7 h4h3 e7a3 h3h4
a3b4 h4h3 b4c3 h3h4 c3d4 h4g5 d4g1 h2h1 TBHits:16283
00:00:38  d->12   -1.39  g7e8! TBHits:16561
00:01:00  d->12   -1.40  h7h6 c5d6 g7h5 g4e6 h6g5 d6e5 g5h4 e6e7 h4h3 e7a3 h3h4
a3b4 h4h3 b4c3 h3h4 c3d4 h4g5 d4g1 h2h1 TBHits:27834
00:01:00  d->12   -1.39  h7g8! TBHits:28391
00:01:02  d->12   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6g6 h4h3 g6f7 TBHits:29135
00:01:02  d->12   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6g6 h4h3 g6f7 TBHits:29183
00:01:10  d->13   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6f7 h4f2 f7g6 d6e7 g7e8 f2f4 g6h5 TBHits:34830
00:01:11  d->13   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6f7 h4f2 f7g6 d6e7 g7e8 f2f4 g6h5 TBHits:35697
00:01:32  d->14   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6f7 h4f2 f7g6 d6d5 b5d7 f2g3 g6f6 g3e5 f6g6 d5c5 d7e6 TBHits:51583
00:01:35  d->14   -1.33  h7g8 c5d6 g8f7 g4f3 f7g6 f3e4 g6f7 e4f4 f7g6 f4g3 g6f6
g3h4 f6f7 h4f2 f7g6 d6d5 b5d7 f2g3 g6f6 g3e5 f6g6 d5c5 d7e6 TBHits:53320
00:02:38  d->15   -1.37  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 TBHits:100027
00:02:44  d->15   -1.37  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 TBHits:104529
00:04:53  d->16   -1.37  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g8h7 f6g5 h7g8 d5e5 g8f7
TBHits:199540
00:04:57  d->16   -1.37  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g8h7 f6g5 h7g8 d5e5 g8f7
TBHits:202017
00:05:24  d->17   -1.67  h7g8? TBHits:220157
00:05:34  d->17   -3.25  h7g8?? TBHits:225235
00:09:48  d->17   -1.74  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g7e8 f6e7 e8g7 d5e5 g7e8
e7a7 g8f8 a7h7 b5e2 h7h6 f8g8 e5e6 e8g7 e6f6 g7h5 f6e7 e2d1 h6e6 g8h7 e6d5 a4a5
TBHits:370290
00:10:19  d->17   -1.74  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g7e8 f6e7 e8g7 d5e5 g7e8
e7a7 g8f8 a7h7 b5e2 h7h6 f8g8 e5e6 e8g7 e6f6 g7h5 f6e7 e2d1 h6e6 g8h7 e6d5 a4a5
TBHits:389604
00:10:36  d->18   -2.04  h7g8? TBHits:400670
00:10:36  d->18   -3.25  h7g8?? TBHits:400740
00:19:03  d->18   -4.05  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g7e8 f6e7 e8g7 d5e5 g7e8
e7a7 g8f8 a7b7 e8g7 TBHits:648630
00:20:39  d->18   -4.05  h7g8 g4g6 b5e8 g6f6 e8b5 c5d5 g7e8 f6e7 e8g7 d5e5 g7e8
e7a7 g8f8 a7b7 e8g7 TBHits:699240
00:21:30  d->19   -4.35  h7g8? TBHits:727181
00:22:06  d->19   -5.35  h7g8?? TBHits:743638
00:25:55  d->19   -10.20  h7g8??? TBHits:832038



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