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Subject: Re: Is Bd6 correct ? What programs plays it ?

Author: John Merlino

Date: 19:01:25 01/15/02

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On January 15, 2002 at 21:09:29, Benny Antonsson wrote:

>I was confused when I saw Alarm 0.89 play Bd6 in this position:
>[D]r1bqk1nr/pppp1p1p/2n3p1/1B6/1b1NP3/2P5/PP3PPP/RNBQK2R b KQkq - 0 1
>It seemes to cramp the black position? Is Be3 the problem after Bc5? Is Be7
>playable? What other programs play Bd6?

CM8000's opinion on a PIII-600:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.70	1148		1...Bc5 2.Nb3 Bd6 3.O-O
0:00	1/4	0.66	3634		1...Bc5 2.Be3 Nf6 3.Nd2 O-O
0:00	2/5	0.89	11012		1...Bc5 2.Be3 Qe7 3.Nd2 Nf6
0:00	2/5	0.74	19002		1...Bd6 2.O-O Qh4 3.f4 Nf6 4.e5
0:01	2/6	0.62	47375		1...Bd6 2.O-O a6 3.Be2 Nf6 4.Nd2
					O-O
0:03	3/7	0.76	164123		1...Bd6 2.Be3 a6 3.Be2 Nf6 4.Nd2
					Qe7
0:09	3/8	0.71	521921		1...Bd6 2.Be3 Nf6 3.Nd2 h5 4.f3
					a6 5.Nxc6 dxc6
0:12	3/8	0.61	740168		1...Be7 2.Bf4 Nxd4 3.cxd4 Nf6 4.Nd2
					c6 5.Be2 d5
0:27	4/9	0.69	1764272		1...Be7 2.Be3 Nf6 3.Nd2 Nxd4 4.cxd4
					c6 5.Bd3 d5 6.O-O dxe4 7.Nxe4
0:55	4/10	0.65	3604298		1...Be7 2.Bf4 Nxd4 3.Qxd4 Bf6 4.e5
					Bg7 5.O-O c6 6.Be2 d5
2:59	5/11	0.69	12544436	1...Be7 2.Bf4 Nf6 3.Nd2 Nxd4 4.cxd4
					c6 5.Be2 h5 6.O-O d5 7.e5

So it might play Bd6 in a very fast game, but not in longer time controls.

jm



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