1

I was watching a YouTube video which explains the 1. e4 Nc6 2. Nf3 line of the Nimzowitsch Defence. In that video, the presenter was talking as if after 9... Nd4, white did not have any good move.

[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[StartPly "18"]

1. e4 Nc6 2. Nf3 f5 3. exf5 d5 4. Nh4 e5 5. Qh5+ g6 6. fxg6 Nf6 7. g7+ Nxh5 8. gxh8=Q Qxh4 9. Qxh7 Nd4 10. Na3

However, I find that 10.Na3 is a better move for white than 10. Qxc7 which was presented in the video. It prevents both 10... Qe4+ and also 10... Nc2+.

Please share your opinions.

  • 2
    After 10.Na3 Black simply plays 10...Bxa3 and wins the rook... – AlwaysLearningNewStuff Jan 1 '16 at 16:30
  • I'm seeing 10...Bf5 and White's in for a hard day. After 10...Bxa3 I can't find a continuation for Black after Qg8+ and then Qxd5. – Tony Ennis Jan 1 '16 at 17:12
  • Qg8+ Bf8 -+......... – limits Jan 1 '16 at 17:30
3

White loses if plays Na3, because Black is threatening with mate via Qe4. Black gains access to e4 with Bf5 move.

r1b1kb2/ppp4Q/8/3pp2n/3n3q/8/PPPP1PPP/RNB1KB1R w KQq - 1 10

1. Na3 Bf5 $19 {Black is threatening with Qe4, which leads to mate or tons of material gain} 2. Bb5+ {To clear escaping square f1 for King, with tempo} (2. Qxc7?? Qe4+ 3. Kd1 Bg4 4. f3 Bxf3 5. gxf3 Qxf3 6. Ke1 Qe4 7. Kd1 Be7 {White is defenseless, Bh4 coming}) c6 3. Qxb7 Qe4+ 4. Kf1 cxb5
5. Qxa8+ Kf7 6. Qxa7+ Be7 {White has no defense}

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