petrosian's match duration
4
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:Fischer_vs._Petrosian_1970 | several weeks |
| gptkb:Korchnoi_vs_Petrosian_1969 | 3 months |
| gptkb:Fischer_vs._Petrosian_1971 | two months |
| gptkb:Korchnoi_vs._Petrosian_1966 | 2 months |