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1. e4 
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Here's a game I played in the first round of the Casual section in the 35th Tournament. I already had four points, and my opponent had two wins and no losses. So this game decided who passed to the next round, and it has a lot of pressure. I started with this common move. | 
   
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1... e6 
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The French Defense. It requires a long and precise defense... If Black doesn't play accurately, White will soon have the initiative. | 
   
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2. d4 
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White tries to claim the center. | 
   
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2... a5 
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?? A bad move and an outright loss of tempo. Blunder. | 
   
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3. Nf3 h6 
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? A prophilactic move,since it prevents Ng5, but with no sense of opportunity. Black should develop his pieces first. | 
   
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4. Bc4 
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(?) The " Italian" development of the Bishop. I later realized this was a bad square for the clerk. | 
   
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4... d5 
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! White necessarily loses tempo. This opening principle is valid in this situation : one should develop Knights before Bishops. This move would have lost his power with Nc3. | 
   
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5. exd5 exd5 6. Bd3 f6 
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? A move that weakens Black's Kingside and stops ... 0-0 . | 
   
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7. O-O 
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Natural. | 
   
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7... Nc6 8. Re1+ Nge7 
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The Knight is now pinned. | 
   
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9. Bb5 
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Another  piece gets pinned. | 
   1 comment
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9... Qd6 
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? | 
   
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10. Nc3 h5 
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? | 
   
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11. h3 
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White doesn't want a minority attack on his rock. | 
   
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11... g6 12. Nh4 
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Notice that this move is possible because Black's Kingside is full of holes. | 
   
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12... Bg7 
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?? It would have been better Rg8, to defend the g-pawn. | 
   
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13. Nxg6 
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The multiple pins start to pay off, because Black can't capture with ... Nxg6. | 
   
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13... Rh7 14. Nxe7 
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!! A grand move. The second pin pays dividends, because Black can't recapture the Knight with his own Knight and won't trade his Queen for the Rook and the Knight. | 
   
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14... Bd7 15. Nc8+ 
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!! the move that forces the Queen to be traded for one Rook. | 
   
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15... Qe6 16. Rxe6+ Bxe6 17. Qe2 Rxc8 18. Qxe6+ 
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!! | 
   
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