| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. S E Almgren vs H Steiner |
| 0-1 | 64 |
1948 |
USA-ch | C98 Ruy Lopez, Closed, Chigorin |
| 27. H Hesse vs S E Almgren |
| 1-0 | 33 |
1948 |
USA-ch | A09 Reti Opening |
| 28. Santasiere vs S E Almgren |
| 1-0 | 63 |
1948 |
USA Championship | A04 Reti Opening |
| 29. A Sandrin vs S E Almgren |
| 1-0 | 43 |
1948 |
USA-ch | E10 Queen's Pawn Game |
| 30. W Shipman vs S E Almgren |
| 1-0 | 36 |
1948 |
USA-ch | C86 Ruy Lopez, Worrall Attack |
| 31. S E Almgren vs W Janes |
| 0-1 | 46 |
1948 |
USA-ch | D18 Queen's Gambit Declined Slav, Dutch |
| 32. S E Almgren vs A Suraci |
| 1-0 | 40 |
1948 |
USA-ch | C01 French, Exchange |
| 33. S E Almgren vs G Kramer |
| 0-1 | 36 |
1948 |
USA-ch | C20 King's Pawn Game |
| 34. S E Almgren vs S Rubinow |
 | 0-1 | 28 |
1948 |
USA-ch | C18 French, Winawer |
| 35. S E Almgren vs I Heitner |
| 1-0 | 24 |
1948 |
USA-ch | B10 Caro-Kann |
| 36. N Whitaker vs S E Almgren |
| ½-½ | 64 |
1948 |
USA-ch | C53 Giuoco Piano |
| 37. P Poschel vs S E Almgren |
| ½-½ | 64 |
1948 |
USA-ch | E33 Nimzo-Indian, Classical |
| 38. Larry Evans vs S E Almgren |
| 1-0 | 60 |
1948 |
USA-ch | D82 Grunfeld, 4.Bf4 |
| 39. Shainswit vs S E Almgren |
| 1-0 | 47 |
1948 |
USA-ch | A46 Queen's Pawn Game |
| 40. S E Almgren vs F Howard |
| 1-0 | 55 |
1948 |
USA-ch | C39 King's Gambit Accepted |
| 41. S E Almgren vs Rossolimo |
| 0-1 | 36 |
1954 |
blind | E94 King's Indian, Orthodox |
| 42. S E Almgren vs A Kaufman |
| 0-1 | 42 |
1955 |
US Open | A07 King's Indian Attack |
| 43. G Drexel vs S E Almgren |
| 0-1 | 27 |
1955 |
US Open | D45 Queen's Gambit Declined Semi-Slav |
| 44. S E Almgren vs T Jenkins |
| 0-1 | 35 |
1955 |
US Open | D37 Queen's Gambit Declined |
| 45. A Spiller vs S E Almgren |
| 1-0 | 32 |
1955 |
US Open | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 46. S E Almgren vs R Koutz |
| 1-0 | 36 |
1955 |
US Open | B50 Sicilian |
| 47. S E Almgren vs J Blackstone |
| 0-1 | 67 |
1961 |
US Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 48. S M Poulsen vs S E Almgren |
| 0-1 | 20 |
1961 |
US Open | A06 Reti Opening |