Fifty Moves Lab - Chess Endgame Analysis & Statistics

Fifty Moves LabChess endgame insights, statistics, and articlesTournaments & Rankings

Candidates Tournament 2026 — Endgame analysis of all 8 participants based on their classical games played before the tournament start.

Women's Candidates Tournament 2026 — Endgame analysis of all 8 participants based on their classical games played before the tournament start.

Endgame Frequency: ChessBase — How often each endgame type occurs in professional classical chess.

Endgame Mistakes: Lichess — 1.2 million tablebase-verified endgame mistakes from one month of Lichess games: who errs, where, and why.

Endgame Frequency: Lichess — How often each endgame type occurs in online chess, with breakdown by rating.

Opening to Endgame — Which endgame types arise from each opening? Based on GM-level classical games.

Top Players' Endgames — How the world's top-rated players (2700+) actually play the endgame, ranked by engine and tablebase analysis.

Statistics

Endgame Frequency: Lichess — How often each endgame type occurs in online chess, with breakdown by rating.

Endgame Frequency: ChessBase — How often each endgame type occurs in professional classical chess.

Opening to Endgame — Which endgame types arise from each opening? Based on GM-level classical games.