Rat Defense: Harmonist
ECO: B00Semi-Open Games1.e4 d6 2.f4
no master games reached this exact line · estimated data
How it's played
Start
1.2.
About the Rat Defense: Harmonist
The Rat Defense: Harmonist is a line of the Rat Defense, catalogued under ECO code B00 in the Semi-Open Games section of the Encyclopaedia of Chess Openings.
It arises after 1.e4 d6 2.f4, with White playing the move that gives the line its name.
The Rat Defense has 11 named lines in our opening book; the ones closest to this position are listed below.
Other lines of the Rat Defense
- Rat Defense: Petruccioli AttackB00 · 1.e4 d6 2.h4
- Rat Defense: Spike AttackB00 · 1.e4 d6 2.g4
- Rat Defense: Antal DefenseB00 · 1.e4 d6 2.d4 Nd7
- Rat Defense: Balogh DefenseA82 · 1.e4 d6 2.d4 f5
- Rat Defense: English RatA41 · 1.d4 d6 2.c4 e5
- Rat Defense: Small Center DefenseC00 · 1.d4 e6 2.e4 d6
- Rat Defense: Accelerated GurgenidzeB06 · 1.e4 g6 2.d4 d6 3.Nc3 c6
- Rat Defense: English Rat, Lisbon GambitA41 · 1.d4 d6 2.c4 e5 3.dxe5 Nc6