← All 36 Pawn Structures & Strategy Guides · Tactics & Mates · Opening Codex · Endgame Atlas · GM Style Atlas

P05 · Volume II · closed · c6–e6–f5 light-square barrier · e5 dark-square hole · b5/a6 trade diagonal

Good vs Bad Bishop (Capablanca's Rule)

Capablanca's Pawn-Color Axiom & Three Prescriptions to Cure a Hemmed-In Bishop

Formulated with crystal clarity by World Champion José Raúl Capablanca, the law of bishop-pawn harmony states: when you retain one bishop, place your own pawns on squares of the OPPOSITE color; when your opponent retains one bishop, fix their pawns on squares of the SAME color. A Bad Bishop entombed behind three or more fixed central pawns of its own color loses long-range scope and turns its surrounding opposite-colored squares into undefended holes.

Coach Otto: Count your central pawns on your bishop’s color! If three or more match, Otto looks to trade that bishop outside the chain or move it in front of the pawns right away!

Skeleton FEN: 6k1/pp4pp/2p1p3/3p1p2/2PP4/1P4P1/P3PP1P/6K1 w - - 0 1

Endgame Simplification Verdict

Good Bishop vs Bad Bishop (or Good Knight vs Bad Bishop) is one of the highest-converting endgame imbalances in chess—especially with pawns on both wings, where the bad bishop cannot defend its own blocked pawns while the good piece raids both flanks.

Open Anatomical Model Lines & 15% Skeleton X-Ray

  • [PLANA · EXECUTION] Canonical Instructional Model (+0.60 · White Strategic Edge) — FEN: r3brk1/pp4pp/2p1pn2/3p1p2/2PPn3/1P1N1NP1/P3PPBP/R4RK1 w - - 7 16 · Nfe5 Nd7 Nxd7 Bxd7 Ne5 Be8 f3

    16. Nfe5! — Having already traded off Black’s good dark-squared bishop via 10.Ba3!, White plants a knight on dark-square e5 while Black’s light-squared bishop suffocates behind c6, e6, and f5.

  • [PLANB · COUNTERPLAN] Canonical Instructional Model (+0.18 · Equalized) — FEN: rn2kbnr/pp1b1ppp/1q2p3/2ppP3/3P4/2P2N2/PP2BPPP/RNBQK2R b KQkq - 4 6 · Bb5 c4 Bxc4 Bxc4 dxc4 d5 exd5

    6... Bb5! — Classic Bad-Bishop Redemption (Prescription #1): step outside the d5–e6 light-square pawn chain onto b5 to force an immediate trade for White’s good light-squared bishop.

Structural Owner Plans & Pawn Levers

  • Trade off the opponent’s “good” bishop (just as 10.Ba3! removed Black’s dark-squared bishop in Plan A), leaving them stranded exclusively with their hemmed-in bishop.
  • Fix enemy central pawns permanently onto the color of their remaining bishop so they can never advance onto the opposite color.
  • Arrange your own pawns on the opposite color of your bishop to keep diagonals wide open while invading the holes their bad bishop can never touch.

Defender Counterplans & Antidotes

  • Prescription #1 (Trade It Off): Route the bad bishop to b5, a6, or g4 (...Bb5! / ...Ba6!) to swap it for the opponent’s good bishop.
  • Prescription #2 (Step Outside the Chain): Develop the bishop to f5, g4, or h5 BEFORE pushing e6 to lock the door behind it.
  • Prescription #3 (Re-Color Your Pawns): Execute pawn breaks (...c5, ...f6, or ...e5) that move your own central pawns off the bishop’s color complex.

FAQ

What is Capablanca's Rule for pawn placement with a single bishop?

When you have a single bishop on the board, keep your own pawns on squares of the opposite color so your bishop’s diagonals stay open and your pawns guard the color your bishop cannot reach. If your opponent also has a bishop, try to fix their pawns onto the color of their bishop.

Is an active bishop outside its pawn chain still considered “bad”?

Strictly speaking it remains structurally “bad” if its own pawns share its color (and may become vulnerable to attack at the base), yet dynamically it is an active piece! Only a bishop trapped BEHIND its own same-colored pawns suffers true paralysis.

Should I trade queens when my opponent has a bad bishop?

Almost always yes—provided you retain a way to create a second weakness on the other wing. Removing queens strips the defender of tactical counterplay and exposes their blocked pawns to king and rook infiltration.

Sister Structures, Origin Openings, Target Endgames & Legends

S15 · French Locked Pawn Chain (Nimzowitsch’s Pawn-Chain Axiom in Pure Form: White’s e5 Kingside Wedge vs Black’s ...c5, ...f6 & ...Ba6!) · S18 · Stonewall Formation (Four Light-Squared Jagged Stones (c6–d5–e6–f5) Gripping e4 at the Cost of the Dark Square e5) · P06 · The Bishop Pair (Dual-Color Diagonal Supremacy, Steinitz’s Knight-Restriction Barrier & When to Trade Them)