Course

Opposite-Coloured Bishops

Why extra pawns so often fail to win when the bishops are on opposite colours.

Premium course Preview the syllabus below, then start a 7-day trial to train every level. Unlock all 26 courses →

Level 1 — The Straight Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 2 — The Cross-Counter Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 3 — The Heavy Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 4 — The Quiet Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 5 — The Patient Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 6 — The Distant Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 7 — The Narrow Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 8 — The Wide Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 9 — The Hidden Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 10 — The Bold Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 11 — The Steady Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 12 — The Sharp Fortress

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 13 — The Long Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 14 — The Short Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 15 — The Central Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 16 — The Flanking Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 17 — The Timely Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 18 — The Forcing Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 19 — The Deep Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 20 — The Clean Fortress Break

Test whether the king can break the blockade, or whether opposite-coloured bishops make the extra pawn irrelevant.

Level 21 — Course Practice

Face every course position without guidance. Reveal a hint only when you need one.