Author: Harald Faber
Date: 13:39:24 10/30/03
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On October 30, 2003 at 04:01:23, Drexel,Michael wrote: >On October 30, 2003 at 01:37:08, Harald Faber wrote: > >>On October 28, 2003 at 17:38:43, John Merlino wrote: >> >>>About one opening move in the second game, I would like some insights into from >>>the strong players, if I could: >>> >>>1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O >>> >>>[D]rnbqk2r/ppp1bppp/8/3p4/3Pn3/3B1N2/PPP2PPP/RNBQ1RK1 b kq - 0 7 >>> >>>7...Bf5? >>> >>>My point is, if this move is so poor, why is it still in an opening book? >>>CM9000's book always plays the very common 7...Nc6 in this position. If its >>>opponent plays 7...Bf5, it will respond with either 8.c4 or 8.Re1 with equal >>>probability. >>> >>>Any thoughts would be appreciated.... >>> >>>jm >> >> >>Indeed a justified question. >>I just loaded the general.ctg. >>Black's move #6 shows Be7 active only with NORMAL book options. If the book >>options are set to OPTIMAL it leaves 6...Nc6 with 94.6% and 6...Bd6 with 5.3% >>playing preference. >>What is strange is that both with NORMAL and OPTIMAL there is only one active >>move for black after 6...Be7 7.O-O: It is 7...Nc6 with 100%. >> >>This leaves some open questions to the SSDF tester I'd say... > >No, it doesn't. >Hiarcs9 played 7...Bf5. >IIRC the move is marked as tournament move in the Hiarcs9.ctg books. > >Michael I have just checked it. This is absolutely strange. Book options: NORMAL: 7...Nc6 100% Book options: OPTIMAL: 7...Nc6 79.6%, 7...Bf5 20.3% Usually with OPTIMAL the book play is much narrower and with NORMAL wider. Absolutely strange.
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