Tree path 9 levels King's Pawn Game › King's Knight Opening › Normal Variation › Italian Game › Two Knights Defense › Open Variation › Scotch Game: Scotch Gambit, Dubois Réti Defense › Italian Game: Scotch Gambit, Max Lange Attack › Italian Game: Two Knights Defense, Keidansky Variation
C56

Italian Game: Two Knights Defense, Keidansky Variation

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Overview

Italian Game: Two Knights Defense, Keidansky Variation is a named branch in the Open Games group of chess theory, classified under ECO C56.

The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.

It begins with 18 plies and takes 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4 to reach the canonical position.

In the opening tree, this line branches off from Italian Game: Scotch Gambit, Max Lange Attack, part of the broader King's Pawn Game system.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.

ECO code
C56
Group
Open Games (C)
Plies
18
Parent
Italian Game: Scotch Gambit, Max Lange Attack

This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

3,858 games · White 35.4% / Draw 4.1% / Black 60.5%

MovesGamesW / D / B
Nd4+1,488
Qxd5897
Nxa7+592
Qf3498
Nc3144
Nb4+109
g332
Nb8+25

Source: Lichess Opening Explorer · cached 2026-09-26 03:20:07

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