Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4/9. Ng3/9...Bg4/10. f3/10...e4

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...Nc6‎ | 3. Bc4‎ | 3...Nf6‎ | 4. Ng5‎ | 4...d5‎ | 5. exd5‎ | 5...Nd4‎ | 6. c3‎ | 6...b5‎ | 7. Bf1‎ | 7...Nxd5‎ | 8. Ne4‎ | 8...Qh4‎ | 9. Ng3‎ | 9...Bg4‎ | 10. f3
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Two Knights Defence:Fritz variation
a b c d e f g h
8a8 black rookb8 black kingc8 black kingd8 black kinge8 black kingf8 black bishopg8 black kingh8 black rook8
7a7 black pawnb7 black kingc7 black pawnd7 black kinge7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black pawnc5 black kingd5 black knighte5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 black knighte4 black pawnf4 black kingg4 black bishoph4 black queen4
3a3 black kingb3 black kingc3 white pawnd3 black kinge3 black kingf3 white pawng3 white knighth3 black king3
2a2 white pawnb2 white pawnc2 black kingd2 white pawne2 black kingf2 black kingg2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 black kingh1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

r3kb1r/p1p2ppp/8/1p1n4/3np1bq/2P2PN1/PP1P2PP/RNBQKB1R w

Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4 Qh4 9. Ng3 Bg4 10. f3 e4

Two Knights Defence:Fritz variation

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9...e4

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Hans Berliners move. This position has been the subject of World Correspondence Championship games. Black has the advantage in development but White has extra material in many lines. It seems White's position is better but finding the correct moves is not easy and many times Black comes out better.

Theory Table

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For explanation of theory tables, see theory table and for notation, see algebraic notation..

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 6.Bf1 Nd4 7.c3 Nxd5 8.Ne4 Qh4 9. Ng3 Bg4 10.f3 e4
11 12 13 14
1 cxd4
Bd6		 Bxb5+
Kd8		 O-O
exf3		 Rxf3
Rb8		 ~
2 ...
...		 ...
...		 Kf2
f5		 Bc6
f4		 Bxd5
fxg3+		 Ke2
exf3+		 gxf3
Re8+		 Kd3
Bf5+		 Kc3
Bb4+		 Kc4
c5		 Bxa8
Qxd4		 Kb3
Qd3+		 Nc3
Be6+		 Ka4
Qa6#

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References

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Wikipedia has related information at Two Knights Defence

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