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  1. Donation !~TONY~!
    1...c5!
    16 Sep '08 17:57 / 1 edit
    During a game I had last night, I attempted to enter a Sveshnikov after 1. e4 c5 2. Nf3 Nc6, but then was confronted by 3. c3. I continued in normal fashion with 3...Nf6 4. e5 Nd5 5. d4 cxd4, and white played 6. Bb5. I had never ever seen this move, only being familiar with 6. Bc4 and 6. cxd4. I immediately began to search for some kind of refutation, and I found something quite nice in my opinion. Can anyone else find it? Black to move in the diagram below. Give me all the lines you think are necessary to prove an advantage for Black:

  2. Standard member paultopia
    High Priest
    16 Sep '08 18:08 / 1 edit
    Um... I guess Qa5 maybe? after Qa5 Bxc6 bxc6 Nxd4 Ba6 white's king is stuck in the center and black has a really strong knight? while any other response runs up against dxc3. Also the possibility to snap up the e5 pawn in the right moment?
  3. Donation !~TONY~!
    1...c5!
    16 Sep '08 18:17
    6...Qa5 7. Bxc6 bxc6 8. Qxd4 Ba6 9. Nbd2 followed by c4 at some point is probably okay for White.
  4. Standard member Korch
    Chess Warrior
    16 Sep '08 18:20 / 2 edits
    Originally posted by paultopia
    Um... I guess Qa5 maybe? after Qa5 Bxc6 bxc6 Nxd4 Ba6 white's king is stuck in the center and black has a really strong knight? while any other response runs up against dxc3. Also the possibility to snap up the e5 pawn in the right moment?
    After 6...Qa5 7. Bxc6 bxc6 8. Qxd4 Ba6 white can play 8.Nbd2 with c4 and 0-0 with at least defendable position (upd. !~TONY~! managed to point out it first). Stronger seems to be 7....dxc3! with complications advantageous for Black.
  5. Donation !~TONY~!
    1...c5!
    16 Sep '08 18:25
    Originally posted by Korch
    After 6...Qa5 7. Bxc6 bxc6 8. Qxd4 Ba6 white can play 8.Nbd2 with c4 and 0-0 with at least defendable position (upd. ~!TONY!~ managed to point out it first). Stronger seems to be 7....dxc3! with complications advantageous for Black.
    Yep, that's the important finesse.

    6. Bb5? Qa5! 7. Bxc6 dxc3! 8. Qxd5 cxb2+ 9. Qxa5 bxc1=Q+ 10. Ke2 Qxh1 11. Be4 e6 12. Qc3 Qxg2 -+

    This was what I calculated on move 6, and this was what got played in the game. I also noticed 11...Qc1! (getting the queen out and threatening Qb2+), which appears to be stronger than 11....e6, but I can't remember why I rejected it at this particular moment.