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. Qf3/8...Rb8/9. Bd3
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Two Knights:Colman Defence rd bd qd kd bd rd pd pd pd pd pd nd nd pd nl bl ql pl pl pl pl pl pl pl rl nl bl kl rl
Two Knights:Colman Defence
9. Bd3
This bishop retreat, while unnatural due to it blocking in the d-pawn, gives added protection of the e4 square, which White's knight may soon occupy. This makes this a tough move for Black to face.
Theory table
.
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8 9.Bd3
9
10
11
12
13
1
Bd3Be7
O-OO-O
Re1Rb4
Nc3Rf4
∞
2
...h6
Ne4Nd5
b3g6
Qg3
+=
3
...Bd6
Nc3O-O
+=
4
...Rb4
Nc3Be7
+=
References
Two Knights Defence