| page 1 of 2; games 1-25 of 42 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Lein vs Tal |
 | 1-0 | 92 |
1955 |
Vilnius | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 2. A Lein vs Geller |
| ½-½ | 24 |
1955 |
USSR | B50 Sicilian |
| 3. A Lein vs Lutikov |
 | 1-0 | 46 |
1955 |
URS-ch sf | B32 Sicilian |
| 4. A Lein vs Taimanov |
| ½-½ | 47 |
1955 |
USSR | B63 Sicilian, Richter-Rauzer Attack |
| 5. A Lein vs Bronstein |
| ½-½ | 17 |
1961 |
Ch URS | B28 Sicilian, O'Kelly Variation |
| 6. A Lein vs Averbakh |
| 0-1 | 55 |
1961 |
29th USSR Championship | B57 Sicilian |
| 7. A Lein vs Jansa |
| 0-1 | 30 |
1961 |
Moscow | B46 Sicilian, Taimanov Variation |
| 8. A Lein vs Taimanov |
| ½-½ | 34 |
1961 |
Baku | B31 Sicilian, Rossolimo Variation |
| 9. A Lein vs Spassky |
 | 0-1 | 29 |
1964 |
Memorial M.Chigorin | B44 Sicilian |
| 10. A Lein vs Tal |
 | ½-½ | 43 |
1964 |
Kiev URS ch | B40 Sicilian |
| 11. A Lein vs Suetin |
| 1-0 | 41 |
1965 |
Ch URS | B48 Sicilian, Taimanov Variation |
| 12. A Lein vs Taimanov |
| ½-½ | 33 |
1967 |
Tbilisi | B28 Sicilian, O'Kelly Variation |
| 13. A Lein vs Tal |
| 0-1 | 56 |
1967 |
Kharkov | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 14. A Lein vs Gipslis |
| ½-½ | 23 |
1967 |
Ch URS | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 15. A Lein vs Y Sakharov |
| 1-0 | 72 |
1968 |
Ch URS, Alma-Ata | B25 Sicilian, Closed |
| 16. A Lein vs Tal |
 | 0-1 | 42 |
1969 |
Tbilisi | B23 Sicilian, Closed |
| 17. A Lein vs Bronstein |
| ½-½ | 24 |
1969 |
Tbilisi | B42 Sicilian, Kan |
| 18. A Lein vs Stein |
| ½-½ | 60 |
1971 |
Ch URS | B84 Sicilian, Scheveningen |
| 19. A Lein vs Vasiukov |
| 1-0 | 71 |
1972 |
USSR Championship | B40 Sicilian |
| 20. A Lein vs Minev |
| 1-0 | 37 |
1972 |
Novi Sad | B33 Sicilian |
| 21. A Lein vs Matulovic |
| ½-½ | 42 |
1973 |
Novi Sad | B49 Sicilian, Taimanov Variation |
| 22. A Lein vs I Bilek |
| 1-0 | 41 |
1976 |
Rome (Italy) | B33 Sicilian |
| 23. A Lein vs Fedorowicz |
| 1-0 | 92 |
1977 |
Lone Pine (USA) | B58 Sicilian |
| 24. A Lein vs C Garcia-Palermo |
| 1-0 | 36 |
1977 |
open | B40 Sicilian |
| 25. A Lein vs Browne |
| ½-½ | 50 |
1977 |
Ch USA | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
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| page 1 of 2; games 1-25 of 42 |
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Secrets of Opening Surprises
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