HIARCS converts its advantages into a decisive endgame. RYBKA fights hard, but ultimately, HIARCS' superior pawn structure and piece placement prove too strong.
The game was played between HIARCS (a chess engine) and RYBKA (another chess engine) on December 16, 2022. The game is a fascinating encounter between two of the strongest chess engines in the world. 2022-12-16-hiarcs-rybka.pgn
As the game approaches its conclusion:
35... Kf8 36. Qe2 Qe7 37. Rad1 Rd6
Around move 20, the game becomes particularly interesting: HIARCS converts its advantages into a decisive endgame
RYBKA sacrifices a pawn to open lines and create counterplay on the queenside. HIARCS, however, maintains its composure and gradually builds a strong initiative on the kingside. 2022-12-16-hiarcs-rybka.pgn
20... c4 21. Bc2 Nc5 22. b4 a5