1966 USSR Chess Championship
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The 1966 Soviet Chess Championship was the 34th edition of USSR Chess Championship. Held from 28 December 1966 to 2 February 1967 in Tbilisi. The tournament was won by Leonid Stein. The final were preceded by semifinals events at Irkutsk, Krasnodar and Oryol.

Table and results
| Player | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Soviet Union Leonid Stein | - | 0 | ½ | ½ | 1 | 1 | 1 | 0 | 1 | ½ | 1 | ½ | ½ | ½ | ½ | 1 | ½ | 1 | ½ | ½ | 1 | 13 |
| 2 | Soviet Union Efim Geller | 1 | - | ½ | ½ | ½ | 1 | ½ | ½ | 1 | ½ | ½ | ½ | ½ | 0 | 1 | ½ | ½ | ½ | ½ | 1 | 1 | 12½ |
| 3 | Soviet Union Aivars Gipslis | ½ | ½ | - | ½ | 1 | ½ | ½ | ½ | ½ | ½ | 0 | 1 | 1 | 1 | ½ | 1 | ½ | ½ | ½ | 1 | 0 | 12 |
| 4 | Soviet Union Viktor Korchnoi | ½ | ½ | ½ | - | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 1 | ½ | ½ | 1 | ½ | 1 | ½ | 1 | 12 |
| 5 | Soviet Union Mark Taimanov | 0 | ½ | 0 | ½ | - | ½ | 0 | ½ | ½ | 1 | 1 | 1 | 1 | ½ | ½ | 1 | ½ | 1 | ½ | ½ | 1 | 12 |
| 6 | Soviet Union Anatoly Lein | 0 | 0 | ½ | ½ | ½ | - | ½ | 1 | ½ | 1 | ½ | 1 | 1 | 1 | ½ | 0 | 1 | ½ | 1 | 0 | ½ | 11½ |
| 7 | Soviet Union Nikolai Krogius | 0 | ½ | ½ | ½ | 1 | ½ | - | ½ | 1 | ½ | ½ | ½ | ½ | 0 | 0 | ½ | 1 | ½ | ½ | 1 | 1 | 11 |
| 8 | Soviet Union Lev Polugaevsky | 1 | ½ | ½ | ½ | ½ | 0 | ½ | - | 0 | ½ | ½ | ½ | 0 | 0 | 1 | ½ | 0 | 1 | 1 | 1 | 1 | 10½ |
| 9 | Soviet Union David Bronstein | 0 | 0 | ½ | ½ | ½ | ½ | 0 | 1 | - | ½ | ½ | ½ | 1 | 0 | ½ | 1 | ½ | ½ | 1 | 1 | ½ | 10½ |
| 10 | Soviet Union Vassily Smyslov | ½ | ½ | ½ | ½ | 0 | 0 | ½ | ½ | ½ | - | 1 | 1 | 1 | ½ | 0 | ½ | ½ | 0 | ½ | ½ | 1 | 10 |
| 11 | Soviet Union Ratmir Kholmov | 0 | ½ | 1 | ½ | 0 | ½ | ½ | ½ | ½ | 0 | - | ½ | ½ | ½ | ½ | ½ | ½ | 1 | ½ | ½ | 1 | 10 |
| 12 | Soviet Union Vladimir Savon | ½ | ½ | 0 | ½ | 0 | 0 | ½ | ½ | ½ | 0 | ½ | - | ½ | 1 | 1 | ½ | ½ | ½ | 1 | 1 | ½ | 10 |
| 13 | Soviet Union Eduard Gufeld | ½ | ½ | 0 | ½ | 0 | 0 | ½ | 1 | 0 | 0 | ½ | ½ | - | ½ | 1 | ½ | 1 | ½ | ½ | ½ | 1 | 9½ |
| 14 | Soviet Union Viatcheslav Osnos | ½ | 1 | 0 | 0 | ½ | 0 | 1 | 1 | 1 | ½ | ½ | 0 | ½ | - | ½ | 0 | ½ | ½ | ½ | 0 | ½ | 9 |
| 15 | Soviet Union Evgeni Vasiukov | ½ | 0 | ½ | ½ | ½ | ½ | 1 | 0 | ½ | 1 | ½ | 0 | 0 | ½ | - | 1 | 0 | 1 | ½ | 0 | ½ | 9 |
| 16 | Soviet Union Bukhuti Gurgenidze | 0 | ½ | 0 | ½ | 0 | 1 | ½ | ½ | 0 | ½ | ½ | ½ | ½ | 1 | 0 | - | ½ | ½ | 0 | 1 | 1 | 9 |
| 17 | Soviet Union Alexey Suetin | ½ | ½ | ½ | 0 | ½ | 0 | 0 | 1 | ½ | ½ | ½ | ½ | 0 | ½ | 1 | ½ | - | 0 | ½ | ½ | ½ | 8½ |
| 18 | Soviet Union Vladimir Liberzon | 0 | ½ | ½ | ½ | 0 | ½ | ½ | 0 | ½ | 1 | 0 | ½ | ½ | ½ | 0 | ½ | 1 | - | ½ | 0 | ½ | 8 |
| 19 | Soviet Union Iivo Nei | ½ | ½ | ½ | 0 | ½ | 0 | ½ | 0 | 0 | ½ | ½ | 0 | ½ | ½ | ½ | 1 | ½ | ½ | - | 1 | 0 | 8 |
| 20 | Soviet Union Yuri Nikolaevsky | ½ | 0 | 0 | ½ | ½ | 1 | 0 | 0 | 0 | ½ | ½ | 0 | ½ | 1 | 1 | 0 | ½ | 1 | 0 | - | 0 | 7½ |
| 21 | Soviet Union Vladimir Doroshkievich | 0 | 0 | 1 | 0 | 0 | ½ | 0 | 0 | ½ | 0 | 0 | ½ | 0 | ½ | ½ | 0 | ½ | ½ | 1 | 1 | - | 6½ |