残局
学习核心残局技巧
King & Rook vs King
Learn the box method to checkmate with King and Rook against a lone King — a fundamental endgame skill requiring patience and coordination.
King & Two Bishops vs King
Learn to checkmate with two bishops by creating diagonal barriers, coordinating your pieces, and driving the lone king into a corner.
King & Two Rooks vs King
Learn the Lawnmower checkmate — the simplest mating technique in chess, using two rooks to systematically push the enemy king to the edge.
King, Bishop & Knight vs King
Master the hardest basic checkmate: coordinate bishop and knight to drive the lone king into the corner matching the bishop's color.
Key Squares
Learn how to identify and use key squares — the critical squares that, once occupied by the king, guarantee pawn promotion regardless of the defender's play.
Knight Stopping a Pawn
Learn how a knight can blockade a passed pawn, and why the knight must take the right path to reach the blockade square in time.
King & Queen vs King
Learn the box method to checkmate with King and Queen against a lone King — the most fundamental endgame technique.
Queen vs Rook
Learn the winning technique in Queen vs Rook — use the king march and queen forks to win the rook. One wrong king move throws away the entire win.
Lucena Position
Learn the most important rook endgame winning technique — building a bridge with the rook to escort the pawn to promotion.
Direct Opposition
Learn how to use the direct opposition — facing the enemy king with one square between — to force the opposing king aside and promote a pawn.
Outflanking
Learn how to outflank the opposing king — approaching from the side when direct opposition fails — to win a King and Pawn endgame.
Pawn Breakthrough
Learn how to break through a pawn barrier by capturing to create connected passed pawns that outrun the opposing king.
Philidor Position
Learn the most important rook endgame drawing technique — the Philidor defense uses the rook on the 6th rank and perpetual checks from behind.
Queen vs Pawn on 7th Rank
Learn the winning technique against a center pawn on the 7th rank — combine queen checks with king approach to win the pawn and deliver checkmate.
Rook Behind Passed Pawn
Learn Tarrasch's rule — the rook belongs behind passed pawns, both your own and your opponent's.
Rook Cutting Off the King
Learn how to use a rook to create an impassable barrier on a file, preventing the opposing king from approaching a passed pawn.
Rook Pawn Draw
Learn why rook pawns (a- and h-pawns) are special — the defending king in the corner forces stalemate.
Rule of the Square
Learn the geometric shortcut to instantly determine whether a king can catch a passed pawn.
Shouldering (Body Check)
Learn the shouldering technique where the king physically blocks the opponent's king from reaching the pawn, allowing it to promote.
Stalemate Trap: Queen vs f-Pawn
Learn how the f-pawn (and c-pawn) creates a miraculous stalemate defense against a queen. With correct play, Black forces a draw despite being down a queen for a pawn.
The Trebuchet
Learn the trebuchet — a critical pawn endgame pattern where the side that pushes their pawn first wins the race to promotion.
Triangulation
Learn how to lose a tempo with your king to force your opponent into zugzwang — the key technique of triangulation.
Vancura Position
Learn the Vancura defensive technique — use lateral rook checks to hold a draw against a rook pawn on the 6th rank.
Wrong Bishop + Rook Pawn
Learn why a bishop and rook pawn cannot win when the bishop doesn't control the promotion square — the defender draws by reaching the corner.
Rook vs Bishop
Learn when K+R vs K+B is winning and how to exploit a trapped bishop on the edge of the board.
Back-Rank Defense
Learn the back-rank checking technique — hold a draw against a passed pawn by checking the advancing king from behind.
Bishop vs Knight (Open Position)
Learn why the bishop dominates the knight in open positions with pawns on both flanks.
Connected Passed Pawns vs Rook
Learn when two connected passed pawns can overpower a rook — one of the most important pawn endgame principles.