Talk:Marshall Defense
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[edit] old talk
I'm not convinced about "White gets a clear advantage with 3.cxd5 Nxd5 4.Nf3! Bf5 5.Qb3." There are only 5 games in Chesslab with this line of play after 1997. White won in 4 and had a draw in the 5th. Crafty version 19.19 rates this as a slight advantage for white with an evaluation of +0.10 after 10 minutes of calculations.
The alternate of 3.cxd5 Nxd5 4.e4?! Nf6 5.Nc3 e5! 6.dxe5 Qxd1+ 7.Kxd1 Ng4! still leads to 8.Nd5 Nxf2+ 9.Ke1 Nxh1 10.Nxc7+ with Crafty version 19.19 indicating a substantial lead of +0.99 for white. Both kings lose their ability to castle. The one game in Chesslab gives a win for white.
It looks to me like 4.e4 is the better move over 4.Nf3. Does anyone have a different analysis?
- 8...Kd7! 84.69.246.59 20:19, 10 February 2007 (UTC)
[edit] 3...Qxd5
Seems 3...Qxd5 is a better move, then Nxd5. Idea from centercounter (1.e4 d5 2. exd5 Qd5) with Qxd5, however here in the Marshall Defence the d4 Nf6 is helping Black.
3...Qxd5 4. Nc3 Qa5 5. Nf3 [5. Bd2 Qb6 6. Nf3 Bg4] 5...Bg4 6. Qb3 Nbd7 7. Qxb7!? Rb8 8. Qc6 Bxf3 9. gxf3+/= [9. Qxf3? e5!=][9. exf3? Rb6 with Re6+ -+] ChessCreator (talk) 17:25, 15 January 2008 (UTC)
