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1. Nf3 
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I am White in this game, and I start with a safe, solid, non-committal opening, which waits to see how Black will continue. | 
   
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1... d5 
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Black's move is more committal since pawns cannot move backward, and now Black has committed a pawn to the centre.  | 
   
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2. g3 
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I like to develop my kingside quickly and castle safely. My knight and fianchettoed bishop will be good defenders of my king, and also good attackers if Black messes up. | 
   
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2... d4 
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This move surprised me a lot, and I have never even considered anyone playing this kind of move against me. Black has overextended his pawn, which slightly weakens his position. | 
   
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3. Bg2 
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Now my fianchettoed bishop will be stronger since Black can no longer block it with d5. | 
   
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3... Nf6 
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If Black was going to overextend his center early, then he should've at least followed up with c5 to support the weakened d-pawn, and then try for Nc6 e5. | 
   
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4. c3 
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Maybe this move wasn't quite necessary, but I was impatient to try and take advantage of Black's questionable d4. I challenge the pawn with a less valuable pawn, so if Black trades, I'll have an extra centre pawn, plus an open c-file and big lead in development. | 
   
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4... d3 
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This was the best move since c5 loses a pawn. 4...c5? then 5.cxd4 cxd4 6.Qa4  Nc6 7.Nxd4!! and I have an overwhelming attack on the c6-knight. | 
   
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5. exd3 Qxd3 
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Now Black is forced to bring out his queen early, allowing me to gain development tempo. | 
   
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6. Ne5 
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I can get my knight to a better square while gaining tempo. | 
   1 comment
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6... Qb5 
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I think it was better to undevelop the queen and then try to recover the tempo loss, because now Black's queen is subject to harassment. | 
   
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7. d4 Nbd7 
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I think it was better to develop the kingside and castle quickly | 
   
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8. Nd3 
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My knight has moved 3 times, but it is very strong on d3, and now I have a nice grip on the center squares. | 
   
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8... Nb6 
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This is a terrible move, and leaves Black very behind in development, and I can gain tempo chasing the oddly placed pieces.  | 
   
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9. a4 
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My a-pawn can reach a6 with tempo, for an early attack on the undeveloped queenside, so now Black has no counterplay and must defend. | 
   
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9... Qf5 10. a5 Qe6+ 11. Qe2 
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I think it's good to trade queens and go into an endgame, where my king is already placed toward the centre, and my advantage is easier to exploit.  | 
   
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11... Qxe2+ 12. Kxe2 Nbd7 
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If Nbd5, then c4 traps the knight. | 
   
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13. a6 c6 
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Rb8 was another idea, but Black wanted the knight to go back to b8 to defend c6.  | 
   
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14. Nb4 
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I bring another attacker toward the queenside with tempo, since I'm threatening axb7 Bxb7 Bxc6 winning a pawn. | 
   
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14... Nb8 
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Black's knight has moved 4 times, and ended up exactly where it started. Black's faulty opening play has left him with a defensive underdeveloped position, while all my pieces will find good squares. | 
   
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