Leanchess Versions Save

The world's smallest chess program

v1.9.5.2

4 years ago
  • Added LeanCRC
  • Optimized LeanChess960 (-3 bytes)

v1.9.5.1

4 years ago
  • Auto-restore square address in LeanChess960 (-2 bytes)

v1.9.5

4 years ago
  • Remove extraneous push/pop in BIOS (-1 byte)
  • Replace push/pop/push with assignment in DOS
  • Swap index registers' semantics

v1.9.4

4 years ago
  • Initialize max value as 0 (-1 byte)

v1.9.3

4 years ago
  • Swap registers' semantics (-2 bytes)
  • Unified square read and write in undo (-2 bytes)

v1.9.2

4 years ago
  • Reversed subroutine calls (-2 bytes)
  • Unified move initialization (-1 byte)
  • Fall through king's vectors (-1 byte)

v1.9.1

4 years ago
  • Unified pawns in Classic (-2 bytes)
  • Fall through init_db in Classic (-1 byte)
  • Unified square reads and writes (-1 byte)

v1.9

4 years ago
  • Moved zero vector check to end of loop (-4 bytes in Barebone)

v1.8

4 years ago
  • Derive pawn's vectors from bishop's (-3 bytes)
  • Save/restore vector with push/pop (-1 byte)

v1.7

4 years ago
  • Fixed pawn's vector check in Barebone (+3 bytes)
  • Invert vectors (-9 bytes)