
Engine Technology
MasterInChess uses the latest Stockfish engine version implemented across the MICOS programs. As of 20 October 2026, MICOS uses Stockfish 19.
Engine used for this comparison: Stockfish 18
Updated: 22 June 2026
Example 1 – Evaluation Comparison
MICOS GAP: Evaluation -0.96, Best Move d5.
Chess.com: Evaluation -0.97.

Lichess: Evaluation -0.90, Best Move d5

Example 2 – Mate in Five
MICOS GAP: Mate in 5, Best Move Qh5+.

Chess.com: Mate in 5.

Lichess: Mate in 5, Best Move Qh5+


MICOS™ is the proprietary chess classification system developed by MasterInChess and protected by international copyright law.
You are welcome to use and share MICOS for personal, educational and non-commercial purposes. Commercial use or integration requires permission from MasterInChess.
