| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. L Alster vs G Szilagyi |
| ½-½ | 37 | 1956 | Steinitz Memorial | D21 Queen's Gambit Accepted |
| 127. J Rejfir vs L Alster |
| 1-0 | 42 | 1956 | Steinitz Memorial | A21 English |
| 128. L Alster vs Filip |
| ½-½ | 20 | 1956 | Steinitz Memorial | E85 King's Indian, Samisch, Orthodox Variation |
| 129. L Alster vs J Sefc |
 | 0-1 | 51 | 1956 | Steinitz Memorial | D50 Queen's Gambit Declined |
| 130. M Ujtelky vs L Alster |
| ½-½ | 22 | 1956 | Steinitz Memorial | A15 English |
| 131. L Alster vs Ragozin |
| ½-½ | 41 | 1956 | Steinitz Memorial | D87 Grunfeld, Exchange |
| 132. Pachman vs L Alster |
| ½-½ | 24 | 1956 | Steinitz Memorial | E75 King's Indian, Averbakh, Main line |
| 133. L Alster vs I Balanel |
| 1-0 | 62 | 1956 | Steinitz Memorial | D30 Queen's Gambit Declined |
| 134. J Fichtl vs L Alster |
| 1-0 | 51 | 1956 | Steinitz Memorial | B77 Sicilian, Dragon, Yugoslav Attack |
| 135. J Jezek vs L Alster |
| ½-½ | 22 | 1956 | Steinitz Memorial | B50 Sicilian |
| 136. Uhlmann vs L Alster |
| ½-½ | 16 | 1956 | Steinitz Memorial | E43 Nimzo-Indian, Fischer Variation |
| 137. R G Wade vs L Alster |
| 0-1 | 32 | 1956 | Steinitz Memorial | E94 King's Indian, Orthodox |
| 138. L Alster vs A Beni |
| 0-1 | 40 | 1956 | Steinitz Memorial | E63 King's Indian, Fianchetto, Panno Variation |
| 139. L Alster vs Stahlberg |
| 1-0 | 41 | 1956 | Steinitz Memorial | B56 Sicilian |
| 140. L Alster vs Pilnik |
| ½-½ | 27 | 1956 | Steinitz Memorial | A56 Benoni Defense |
| 141. F Pithart vs L Alster |
| 0-1 | 27 | 1956 | Steinitz Memorial | A04 Reti Opening |
| 142. R Dworzynski vs L Alster |
| ½-½ | 41 | 1956 | Steinitz Memorial | B43 Sicilian, Kan, 5.Nc3 |
| 143. L Alster vs F Zita |
| ½-½ | 45 | 1956 | Steinitz Memorial | B17 Caro-Kann, Steinitz Variation |
| 144. L Alster vs Flohr |
| 0-1 | 37 | 1956 | Steinitz Memorial | B28 Sicilian, O'Kelly Variation |
| 145. L Alster vs M Bely |
| 0-1 | 42 | 1956 | Moscow Olympiad qual-4 | A22 English |
| 146. Kostantinos Pavlatos vs L Alster |
| 1-0 | 27 | 1956 | Moscow Olympiad qual-4 | B41 Sicilian, Kan |
| 147. L Alster vs J Enevoldsen |
| 1-0 | 37 | 1956 | Moscow Olympiad Final-A | A70 Benoni, Classical with 7.Nf3 |
| 148. L Alster vs B Soos |
| 1-0 | 58 | 1956 | Moscow Olympiad Final-A | E61 King's Indian |
| 149. I Aloni vs L Alster |
| ½-½ | 48 | 1956 | Moscow Olympiad Final-A | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 150. L Alster vs M Bely |
| 0-1 | 41 | 1956 | Moscow Olympiad Final-A | D15 Queen's Gambit Declined Slav |
Kibitzing
