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Critical Lines This collection demonstrates the use of a critical line to secure a positional advantage. In these games, a line with violent tactics secures "only" a positional advantage with best play from the disadvantaged side. 2 games, 1985-1993 Immortal Games 2 games, 1929-1948 Interesting Daily Puzzles 15 games, 1925-2004 Interesting Pawn Play « Les pions sont l'âme des échecs. » "The pawns are the soul of chess." - Francois-Andre Danican Philidor (1726-1795) 3 games, 1966-2008 Knight and Pawn Endgames 1 game, 1941 Named Mates These games are finished by a named mate (not always appearing on the board). 32 games, 1750-2010 Tactical Strokes This game collection exemplifies chess tactics. 3 games, 1978-2008