C47

Leonhardt Defense, Four Knights

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7

Opening moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7. This position is classified under ECO code C47.

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About This Opening

ECO Code

C47

Category Volume C

Opening Family

Four Knights Game

Position (FEN)

r1b1k2r/ppppqppp/2n2n2/4N3/1b1PP3/2N5/PPP2PPP/R1BQKB1R w KQkq - 1 6

Lichess Stats

Across 8 rapid and classical games on Lichess (1600+ rated), White wins 25%, Black wins 50%, and 25% end in a draw from this position. The most common continuation is Nxc6, played in 50% of games, followed by Qd3 and Bg5.

Observation period: 2026-07.

Small sample: 8 games. These percentages are descriptive and are too uncertain to compare opening strength.

25%

50%

White wins 25% Draws 25% Black wins 50%

8 rapid and classical games on Lichess (1600+)

Top Continuations

Nxc6

Qd3

Bg5

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