Tree path 3 levels King's Pawn Game › Modern Defense › Bishop Attack, Monkey's Bum
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B06

Modern Defense: Bishop Attack, Monkey's Bum

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Overview

Modern Defense: Bishop Attack, Monkey's Bum is a named branch in the Semi-Open Games group of chess theory, classified under ECO B06.

The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.

Play reaches this position via 1. e4 g6 2. Bc4 Bg7 3. Qf3 e6 4. d4 Bxd4, after 8 plies of opening development.

In the opening tree, this line branches off from Modern 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
B06
Group
Semi-Open Games (B)
Plies
8
Parent
Modern 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

4,059 games · White 33.9% / Draw 3.3% / Black 62.8%

MovesGamesW / D / B
Ne21,492
c31,187
Nc3449
Nh3393
Be3213
h465
Bh656
Bf448

Source: Lichess Opening Explorer · cached 2026-09-26 01:46:40

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