Random triples
| Subject | Object |
|---|---|
| gptkb:Korchnoi_vs._Petrosian_1966 | positional play |
| gptkb:Tal_vs._Petrosian,_1963 | gptkb:Defense |
| gptkb:Korchnoi_vs._Petrosian_1974 | gptkb:Defense |
| gptkb:Korchnoi_vs._Petrosian_1977 | positional play |
| gptkb:Petrosian_vs._Karpov,_1979 | gptkb:Defense |
| gptkb:Petrosian_vs_Korchnoi,_1966 | Solid defense |
| gptkb:Fischer_vs._Petrosian_1970 | gptkb:Defense |