| page 2 of 38; games 26-50 of 940 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. P Harms vs F Surmann |
 | 0-1 | 38 |
1947 |
Lueneburg GER | C89 Ruy Lopez, Marshall |
| 27. Yanofsky vs Ed Lasker |
| 1-0 | 53 |
1947 |
US Open | C89 Ruy Lopez, Marshall |
| 28. Boleslavsky vs Pirc |
| ½-½ | 23 |
1948 |
Saltsjobaden izt | C89 Ruy Lopez, Marshall |
| 29. Konstantinopolsky vs L Abramov |
| ½-½ | 28 |
1948 |
URS-ch01 corr4851 | C89 Ruy Lopez, Marshall |
| 30. Simagin vs Averbakh |
| 1-0 | 37 |
1948 |
Moscow Team Ch | C89 Ruy Lopez, Marshall |
| 31. O'Kelly vs I V Rohacek |
| 1-0 | 47 |
1949 |
Trencianske Teplice (Slovakia) | C89 Ruy Lopez, Marshall |
| 32. Bannik vs Simagin |
| 1-0 | 56 |
1949 |
Vilnius | C89 Ruy Lopez, Marshall |
| 33. Smyslov vs Sokolsky |
| ½-½ | 56 |
1949 |
USSR Championship | C89 Ruy Lopez, Marshall |
| 34. O'Kelly vs W Kuppe |
| ½-½ | 43 |
1949 |
OLdenburg | C89 Ruy Lopez, Marshall |
| 35. Boleslavsky vs Bronstein |
| ½-½ | 25 |
1950 |
Cm ( f ) | C89 Ruy Lopez, Marshall |
| 36. Euwe vs J H Donner |
| 1-0 | 42 |
1950 |
Amsterdam NED ch | C89 Ruy Lopez, Marshall |
| 37. Geller vs Suetin |
| 0-1 | 35 |
1950 |
USSR Championship | C89 Ruy Lopez, Marshall |
| 38. Levenfish vs Nezhmetdinov |
| 0-1 | 41 |
1950 |
USSR ch sf | C89 Ruy Lopez, Marshall |
| 39. Puc vs O'Kelly |
| ½-½ | 44 |
1950 |
Bled (Slovenia) | C89 Ruy Lopez, Marshall |
| 40. Suetin vs G Borisenko |
| 1-0 | 58 |
1950 |
USSR Championship | C89 Ruy Lopez, Marshall |
| 41. Boleslavsky vs Szabo |
| ½-½ | 33 |
1950 |
Budapest | C89 Ruy Lopez, Marshall |
| 42. A Tarnowski vs Szabo |
| 0-1 | 53 |
1950 |
Szczawno Zdroj | C89 Ruy Lopez, Marshall |
| 43. N Bergqvist vs M Zapata Vinces |
| 1-0 | 68 |
1950 |
Dubrovnik olm | C89 Ruy Lopez, Marshall |
| 44. M Kupferstich vs A Maccioni |
| ½-½ | 23 |
1950 |
Dubrovnik olm | C89 Ruy Lopez, Marshall |
| 45. M T Mora Iturralde vs M Karff |
| 1-0 | 73 |
1950 |
Moscow, WCH Woman RUS | C89 Ruy Lopez, Marshall |
| 46. Konstantinopolsky vs G Borisenko |
| ½-½ | 38 |
1950 |
USSR Championship | C89 Ruy Lopez, Marshall |
| 47. Averbakh vs V Liublinsky |
| 1-0 | 43 |
1950 |
USSR Championship | C89 Ruy Lopez, Marshall |
| 48. R Dundas vs V Maher |
| 0-1 | 22 |
1950 |
IRL-ch | C89 Ruy Lopez, Marshall |
| 49. Julio Bolbochan vs Rossolimo |
| ½-½ | 15 |
1950 |
Mar del Plata | C89 Ruy Lopez, Marshall |
| 50. L Stolzenberg vs W Shipman |
| 0-1 | 33 |
1950 |
US Open | C89 Ruy Lopez, Marshall |
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| page 2 of 38; games 26-50 of 940 |
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