C23

Vienna Game: Knight Pivot

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Ne2 d5 6. exd5 Nxd5 7. O-O Nxc3 8. bxc3 Bd6 9. Ng3

Opening moves: 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Ne2 d5 6. exd5 Nxd5 7. O-O Nxc3 8. bxc3 Bd6 9. Ng3. This position is classified under ECO code C23.

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About This Opening

ECO Code

C23

Category Volume C

Position (FEN)

r1bqk2r/ppp2ppp/2nb4/4p3/2B5/2PP2N1/P1P2PPP/R1BQ1RK1 b kq - 2 9

Lichess Stats

Across 5 rapid and classical games on Lichess (1600+ rated), White wins 20%, Black wins 60%, and 20% end in a draw from this position. The most common continuation is O-O, played in 80% of games, followed by h6.

Observation period: 2026-07.

Small sample: 5 games. These percentages are descriptive and are too uncertain to compare opening strength.

20%

60%

White wins 20% Draws 20% Black wins 60%

5 rapid and classical games on Lichess (1600+)

Top Continuations

O-O

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