petrosian's notable move

4 triples
GPTKB property

Random triples
Subject Object
gptkb:Korchnoi_vs._Petrosian_1966 1...c5
gptkb:Fischer_vs._Petrosian,_1971 Defensive maneuver
gptkb:Korchnoi_vs_Petrosian_1969 Pawn structure manipulation
gptkb:Fischer_vs_Petrosian 1.c5