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Endgame Tablebases

Tablebases contain perfect play for all positions with a limited number of pieces.

What Are Tablebases?

Databases computed by retrograde analysis showing the objective result (win/draw/lose) and optimal moves for every legal position.

Available Tablebases

PiecesNameNotes
Up to 6NalimovClassic, widely supported
Up to 7SyzygyModern, compressed format
Up to 8LomonosovComplete but not publicly available

How to Use

Online

Local

Download Syzygy files and configure your engine to use them.

Practical Applications

  1. Verify your analysis — Check if your assessment is correct
  2. Learn perfect technique — Study tablebase moves to understand patterns
  3. Resolve debates — Some theoretical positions were only proven by tablebases

Limitations

  • Only useful for low piece counts
  • Don't replace understanding with lookup
  • Time controls may not allow consultation