[Scid-users] Scid.eco B98n Sicilian Najdorf bug...
Hello Alexander, I have looked at the B98n Sicilian Najdorf line and seen this: 1) In Batsford Chess Openings 2 Second Edition page 320-321 the line is 8...QC7 9 O-O-O Nbd7 with the alternative moves of a) 10 Be2 b5! 11 Bxf6 Nxf6 12 e5 Bb7 13 ef Bxf3 14 Bxf3 Bxf6 15 Bxa8 d5 16 Bxd5 Bxd4 b) 10 Qg3 h6 11 Bh4 g5 12 fg Nh5 13 Qe3 Qc5 14 Kb1 hg 15 Bf2 Ne5 16 Qd2 Qc7 c) 10 Bd3 b5 11 Rhe1 Bb7 12 Qg3 b4 13 Nd5 ed 14 e5 de 15 fe Nh5 16 Qh4 Bxg5+ d) 10 Bd3 h6 11 Bh4 g5 12 e5 gh 13 ef Nxf6 14 Rhe1 Bd7 15 Re3 Qb6 16 Bc4 O-O-O e) 10 10 Bd3 h6 11 Bh4 g5 12 fg Ne5 13 Qe2 Nfg4 14 Nf3 hg 15 Bg3 Nxf3 16 gf Ne5 with the footnotes 13-36 on page 321 for a-e above... 2) In Modern Chess Openings 14th Edition on page 245 the Old Main line is 9 O-O-O Nbd7 continued with the alternatives a) 10 g4 b5 11 Bxf6 Nxf6 12 g5 Nd7 13 f5 Nc5?! 14 f6 gxf6 15 gxf6 Bf8 16 Rg1 Bd7 17 Rg7 Bxg7 b) 10 Bd3 b5 11 Rhe1 Bb7 12 Qg3 b4 13 Nd5 exd5 14 e5! dxe5 15 fxe5 Nh5! 16 Qh4 Bxg5 17 Qxg5 g6 c) 10 Bd3 h6 11 Bf4 g5 12 fxg5 Ne5 13 Qe2 Nfg4 14 Nf3 hxg5 15 Bg3 Nxf3 16 Qxf3! Ne5 17 Bxe5 dxe5 d) 10 Qg3 b5! 11 Bxf6 Bxf6 12 Bxb5! O-O! 13 Bxd7 Bxd7 14 e5 dxe5 15 Ne4 exd4 16 Nxf6+ Kh8 17 Nh5 Rg8 with the footnotes a-y on page 245-247 covering other moves... 3) In Nunn's Chess Openings the 6 Bg5 Main Line on page 257 is 9 O-O-O Ndb7 Bd3 h6 Bh4 g5 fxg5 Ne5 Qe2 Nfg4 Nf3 hxg5 Bg3 Bd7 h3 Nxf3 with the footnotes 13-48 on page 257-259 covering alternative moves after 9 O-O-O Nbd7 , so : B98n Sicilian: Najdorf, 8...Qc7 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 * B98n Sicilian: Najdorf, 8...Qc7 9.O-O-O 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nc6 * in scid.eco should be B98n Sicilian: Najdorf, 8...Qc7 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 * instead... Best wishes, Hans Eriksson -- SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ ___ Scid-users mailing list Scid-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scid-users
Re: [Scid-users] Scid.eco B98n Sicilian Najdorf bug...
Hans Eriksson wrote: Hi! I have looked at the B98n Sicilian Najdorf line and seen this: [...] with the footnotes 13-48 on page 257-259 covering alternative moves after 9 O-O-O Nbd7 , so : B98n Sicilian: Najdorf, 8...Qc7 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 * B98n Sicilian: Najdorf, 8...Qc7 9.O-O-O 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nc6 * in scid.eco should be B98n Sicilian: Najdorf, 8...Qc7 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 * Some other user came up (by PM) with the following solution to the problem: B98n Sicilian: Najdorf, 8...Qc7 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 * B98n Sicilian: Najdorf, 8...Qc7 9.O-O-O 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O * How about this? 9...Nbd7 should then probably be included in the second B98n? (I can do only formal checking here, both of your solution give valid epd files after conversion. The rest of these details here is a bit beyond me ;) Many thanks for the huge amount of work to both contributors! -- Kind regards,/ War is Peace. |Freedom is Slavery. Alexander Wagner| Ignorance is Strength. | | Theory : G. Orwell, 1984 / In practice: USA, since 2001 -- SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ ___ Scid-users mailing list Scid-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scid-users
