Theory
In the Carlsbad structure (pawns on a2/b2/c3 vs a7/b7/c6/d5), White often has only two queenside pawns facing Black’s three. Pushing b4-b5 anyway — the Minority Attack — isn’t about winning the pawn race. It’s about forcing a trade that leaves Black with a permanent weakness on c6 or an isolated a-pawn, either of which becomes a long-term target.
This is one of the clearest examples in chess of playing for a structural weakness rather than material or a direct attack. It rewards patience: the b5 push often takes five or six moves of preparation (Rb1, a4, b5) before it actually happens.
Model Games
Botvinnik’s Carlsbad games are the classical reference — watch specifically how he times b4-b5 only after securing the position against Black’s central counterplay (e5). Rushing the minority attack before neutralising Black’s counterplay is the single most common mistake club players make with this plan.
Practice Positions
Set up the Carlsbad structure and practice the preparation sequence Rb1-a4-b5 while identifying when Black’s e5 break becomes dangerous enough to require a different move order.