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Subject: Re: A doomed bishop

Author: Matthew White

Date: 00:45:09 06/03/03

Go up one level in this thread


On June 03, 2003 at 02:58:30, Peter Fendrich wrote:

>On June 02, 2003 at 15:45:51, Matthew White wrote:
>
>>On June 02, 2003 at 05:11:34, Peter Fendrich wrote:
>>
>>>From a game at ICC between TerraPi (Terra) and HenrikM this position arised:
>>>[D]1k1r3r/pp4b1/3q2p1/3p3p/3P1p2/1Q2pP1P/PP2P1BP/K1RR4 w - h6
>>>
>>>The last move was 22...h5 with the threat h4 and completely lock in the white
>>>bishop. A very nice maneuver by HenrikM.
>>>Terra is absolutely unaware of this threat and after 23.Rc3 h4 the white 'lost'
>>>a piece and later on the game.
>>>My question is: does any engine know how to handle this position and how?
>>>
>>>/Peter
>>SOS 3 Plays h4
>
>Yes, but for what reason? In depth 5,6,8,9,10 and 16 SOS selects other moves
>without seeing the diabolic move h5h4 from black.
>/Peter
>
True, though black does win a pawn in its continuations. h5h4 may have occurred
deeper in some lines... I am not sure.

Matt
>>
>>SOS_Arena 3  UCI 258 MB:
>>D1  00:00  0.53   Qb3b5
>>D2  00:00  -0.26   Qb3b5 Rd8c8
>>D3  00:00  -0.45   h3h4 Rd8c8 Qb3d3
>>D4  00:00  -0.41   h3h4 Rd8c8 Qb3d3
>>D5  00:00  -0.57   Qb3d3 Rd8c8
>>D6  00:00  -0.64   Qb3b5 Rd8c8 Rc1c5 Rc8xc5 d4xc5 Qd6e5
>>D7  00:00  -0.64   h3h4 Rd8c8 Rc1c5 Rc8xc5 d4xc5 Qd6a6 c5c6
>>D8  00:00  -0.71   Qb3a4 Rd8c8 h3h4 Qd6b6 Rc1xc8 Rh8xc8 Bg2h3 Rc8c6 Bh3d7
>>D9  00:00  -0.76   Ka1b1 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Rc8xc5 d4xc5
>>D10  00:00  -0.79   Qb3a4 Rd8c8 Rc1c5 Rc8xc5 d4xc5 Qd6xc5 Qa4xf4 Kb8a8
>>D11  00:01  -0.79   h3h4 Rd8c8 Rc1c5 Rc8xc5 d4xc5 Qd6xc5 Qb3xd5 Qc5c2 Qd5d6
>>Kb8a8 Qd6d8
>>D11  00:01  -0.68   h3h4 Rd8c8 Rc1c5 Rc8xc5 d4xc5 Qd6xc5 Qb3xd5 Qc5c2 Qd5d6
>>Kb8a8 Qd6d8
>>D12  00:03  -0.72   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6e6 Rd1c1 Bg7f8 Rc5xc8 Rd8xc8
>>Qb4e1 Rc8xc1 Qe1xc1
>>D13  00:05  -0.77   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6e6 Rd1c1 Bg7f8 Rc5xc8 Rd8xc8
>>Qb4e1 Rc8xc1 Qe1xc1 Bf8d6 Qc1c2
>>D14  00:08  -0.77   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6e6 Rd1c1 Bg7f8 Rc5xc8 Rd8xc8
>>Qb4e1 Rc8xc1 Qe1xc1 Bf8d6 Qc1c2
>>D15  00:35  -1.01   h3h4 Rd8c8 Qb3d3 Qd6b6 Rc1c3 Rc8xc3 b2xc3 Rh8c8 Rd1b1 Qb6c6
>>Rb1b3
>>D16  01:08  -1.07   a2a3 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5c3 g6g5
>>h3h4 g5xh4 Bg2h3 Rc8xc3 b2xc3 Rd8g8
>>D17  01:21  -1.07   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4
>>D17  01:27  -1.06   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4
>>D17  01:29  -1.05   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4
>>D17  01:32  -1.04   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4
>>D17  01:33  -1.03   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4
>>D17  01:36  -1.02   h3h4 Rd8c8 Rc1c5 Rh8d8 Qb3b4 Qd6b6 Qb4xb6 a7xb6 Rc5xc8
>>Rd8xc8 Ka1b1 Rc8c4 Bg2h3 Bg7xd4 b2b3 Rc4b4 Rd1g1 Bd4f6 Rg1xg6 Bf6xh4



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