411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Bd3/8...Nd5/9. Nf3
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Two Knights Defence
Two Knights Defence
9. Nf3
White retreats the knight to f3, and prepares to castle on the next turn. White also attacks the e5 pawn, therefore Black almost always defends the pawn with 9...Bd6.
Theory table
910Nf3
Bd60-0
0-0
References