Three Knights Opening

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Three Knights Game
a b c d e f g h
8
Chessboard480.svg
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
c6 black knight
e5 black pawn
e4 white pawn
c3 white knight
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
c1 white bishop
d1 white queen
e1 white king
f1 white bishop
h1 white rook
8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
a b c d e f g h
Moves 1.e4 e5 2.Nf3 Nc6 3.Nc3
ECO C46
Parent Open Game

The Three Knights Game is a chess opening which most commonly begins with the moves:

1. e4 e5
2. Nf3 Nc6
3. Nc3

In the Three Knights Game, Black chooses to break symmetry in order to avoid the main lines of what is often considered the drawish Four Knights Game after the usual 3...Nf6.

The relevant ECO code is C46.


Black's third move[edit]

After tries such as 3...d6 or 3...Be7, White can play 4.d4, leaving Black with a cramped position resembling Philidor's Defense. If Black plays 3...Bc5 instead, White can eliminate Black's outpost at e5: 4.Nxe5 Nxe5 5.d4 Bd6 6.dxe5 Bxe5. Since tournament praxis shows the line seems to favor White, Black usually plays 3...Bb4 or 3...g6. Continuations then are typically 3...Bb4 4.Nd5 and 3...g6 4.d4 exd4 5.Nd5.

Another alternative for Black is 3...f5!? – the Winawer Defense (or Gothic Defense). Then 4.Bb5 transposes into the Schliemann variation of the Ruy Lopez with 4.Nc3.

The Three Knights is almost never seen at master level nowadays, as Black players have sought more active tries, even within the Four Knights.

Reversed knight position[edit]

The similar position with Black having moved ...Nf6 is called Petrov's Three Knights Game, although it too usually leads to the Four Knights Game.

Example game[edit]

Rosenthal vs. Steinitz, 1873:
1.e4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nge7 7.Bc4 d6 8.0-0 0-0 9.f4 Na5 10.Bd3 d5 11.exd5 Nxd5 12.Nxd5 Qxd5 13.c3 Rd8 14.Qc2 Nc4 15.Bxc4 Qxc4 16.Qf2 c5 17.Nf3 b6 18.Ne5 Qe6 19.Qf3 Ba6 20.Rfe1 f6 21.Ng4 h5 22.Nf2 Qf7 23.f5 g5 24.Rad1 Bb7 25.Qg3 Rd5 26.Rxd5 Qxd5 27.Rd1 Qxf5 28.Qc7 Bd5 29.b3 Re8 30.c4 Bf7 31.Bc1 Re2 32.Rf1 Qc2 33.Qg3 Qxa2 34.Qb8+ Kh7 35.Qg3 Bg6 36.h4 g4 37.Nd3 Qxb3 38.Qc7 Qxd3 0–1

See also[edit]

References[edit]