Tree path 6 levels King's Pawn Game › King's Knight Opening › Petrov's Defense › Petrov's Defense › Petrov's Defense › Karklins-Martinovsky Variation
- Chess Codex
- King's Pawn Game C20
- King's Knight Opening C40
- Petrov's Defense C42
- Petrov's Defense C42
- Petrov's Defense C42
- Karklins-Martinovsky Variation C42 you are here
Petrov's Defense: Karklins-Martinovsky Variation
Overview
Petrov's Defense: Karklins-Martinovsky Variation is a named branch in the Open Games group of chess theory, classified under ECO C42.
The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.
Play reaches this position via 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3, after 7 plies of opening development.
In the opening tree, this line branches off from Petrov's Defense, 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
- C42
- Group
- Open Games (C)
- Plies
- 7
- Parent
- Petrov's Defense
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
96,606 games · White 47.2% / Draw 6.9% / Black 45.9%
| Moves | Games | W / D / B |
|---|---|---|
| Nxe4 | 93,650 | |
| Nc6 | 994 | |
| Be7 | 791 | |
| Qe7 | 442 | |
| Bg4 | 315 | |
| Be6 | 107 | |
| c5 | 79 | |
| d5 | 69 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:39:10
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Submissions are reviewed before publishing.