| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. C Schild vs Y Masserey |
| 0-1 | 57 | 1999 | Geneva Open | B07 Pirc |
| 127. Y Masserey vs V Paleologu |
| 1-0 | 42 | 2001 | Geneve Open | C68 Ruy Lopez, Exchange |
| 128. A Korotylev vs Y Masserey |
| 1-0 | 41 | 2001 | Geneve Open | E11 Bogo-Indian Defense |
| 129. Y Masserey vs D Garces |
| 1-0 | 41 | 2001 | Geneve Open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 130. Y Masserey vs E Arlandi |
| 0-1 | 34 | 2001 | Geneve Open | B82 Sicilian, Scheveningen |
| 131. A Leib vs Y Masserey |
| ½-½ | 64 | 2001 | Geneve Open | C07 French, Tarrasch |
| 132. A Vuilleumier vs Y Masserey |
| ½-½ | 28 | 2001 | Geneve Open | C11 French |
| 133. Y Masserey vs L Li |
| ½-½ | 23 | 2001 | Geneve Open | B33 Sicilian |
| 134. J Bernard vs Y Masserey |
| 1-0 | 39 | 2001 | Geneve Open | C12 French, McCutcheon |
| 135. Y Masserey vs D Sermek |
| ½-½ | 33 | 2001 | Valle d'Aosta Open | B18 Caro-Kann, Classical |
| 136. T Polak vs Y Masserey |
| 1-0 | 23 | 2001 | Valle d'Aosta Open | E00 Queen's Pawn Game |
| 137. A Volzhin vs Y Masserey |
| ½-½ | 59 | 2001 | Valle d'Aosta Open | C05 French, Tarrasch |
| 138. Y Masserey vs Romanishin |
| 0-1 | 49 | 2001 | Valle d'Aosta Open | C87 Ruy Lopez |
| 139. M Godena vs Y Masserey |
| ½-½ | 25 | 2001 | Valle d'Aosta Open | C05 French, Tarrasch |
| 140. A Moiseenko vs Y Masserey |
 | 1-0 | 21 | 2001 | Cappelle Open | E20 Nimzo-Indian |
| 141. V Meijers vs Y Masserey |
| 0-1 | 31 | 2001 | 100th Ann. Geneva CC | C01 French, Exchange |
| 142. Y Masserey vs J Gallagher |
| 0-1 | 38 | 2001 | 100th Ann. Geneva CC | B94 Sicilian, Najdorf |
| 143. Y Masserey vs Adianto |
| 0-1 | 76 | 2001 | Lausanne Master Open | B06 Robatsch |
| 144. Y Masserey vs N Mikic |
| 1-0 | 43 | 2001 | Biel MTO Open | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 145. A Kunte vs Y Masserey |
| 1-0 | 27 | 2001 | Biel MTO Open | A09 Reti Opening |
| 146. Y Masserey vs M Rufener |
| 1-0 | 21 | 2001 | Biel MTO Open | B46 Sicilian, Taimanov Variation |
| 147. Milov vs Y Masserey |
| 1-0 | 38 | 2001 | Biel MTO Open | E49 Nimzo-Indian, 4.e3, Botvinnik System |
| 148. Y Masserey vs H Rasch |
| 1-0 | 35 | 2001 | Biel MTO Open | B46 Sicilian, Taimanov Variation |
| 149. Y Masserey vs B Vuckovic |
| 1-0 | 47 | 2001 | Biel MTO Open | B01 Scandinavian |
| 150. N Rashkovsky vs Y Masserey |
| 1-0 | 51 | 2001 | Biel MTO Open | D12 Queen's Gambit Declined Slav |
Kibitzing
