| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. G Halvax vs J Schiestl |
| 1-0 | 56 | 2019 | Austrian Bundesliga 2018/19 | E73 King's Indian |
| 127. F Blohberger vs G Halvax |
| ½-½ | 26 | 2019 | Vienna Open | A06 Reti Opening |
| 128. G Halvax vs D Gretz |
| 0-1 | 40 | 2019 | Austrian Bundesliga 2019/20 | A80 Dutch |
| 129. G Halvax vs A Diermair |
| 0-1 | 52 | 2019 | Austrian Bundesliga 2019/20 | A70 Benoni, Classical with 7.Nf3 |
| 130. I Hausner vs G Halvax |
| 0-1 | 42 | 2019 | Austrian Bundesliga 2019/20 | A00 Uncommon Opening |
| 131. G Halvax vs F Baenziger |
| 1-0 | 31 | 2019 | Austrian Bundesliga 2019/20 | B90 Sicilian, Najdorf |
| 132. G Halvax vs A Csonka |
| 1-0 | 65 | 2020 | Austrian Bundesliga 2019/20 | E11 Bogo-Indian Defense |
| 133. L Engel vs G Halvax |
| ½-½ | 50 | 2020 | Austrian Bundesliga 2019/20 | B45 Sicilian, Taimanov |
| 134. G Halvax vs Plachetka |
| 1-0 | 35 | 2020 | Austrian Bundesliga 2019/20 | B45 Sicilian, Taimanov |
| 135. G Halvax vs Smirin |
| 0-1 | 56 | 2020 | FIDE Online Olympiad | E73 King's Indian |
| 136. T Kantans vs G Halvax |
| 1-0 | 58 | 2020 | FIDE Online Olympiad | B31 Sicilian, Rossolimo Variation |
| 137. G Halvax vs Bologan |
| 0-1 | 29 | 2020 | FIDE Online Olympiad | A41 Queen's Pawn Game (with ...d6) |
| 138. S Severino vs G Halvax |
| ½-½ | 43 | 2020 | FIDE Online Olympiad | D30 Queen's Gambit Declined |
| 139. G Halvax vs J Tin |
| 0-1 | 53 | 2020 | FIDE Online Olympiad | E11 Bogo-Indian Defense |
| 140. M Parligras vs G Halvax |
| 1-0 | 33 | 2020 | FIDE Online Olympiad | D38 Queen's Gambit Declined, Ragozin Variation |
| 141. A Kozak vs G Halvax |
| 1-0 | 57 | 2021 | 19th Spilimbergo Open | B45 Sicilian, Taimanov |
| 142. M Novkovic vs G Halvax |
| ½-½ | 30 | 2021 | Austrian Bundesliga 2021/22 | D35 Queen's Gambit Declined |
| 143. G Halvax vs M Sebenik |
| 1-0 | 50 | 2021 | Austrian Bundesliga 2021/22 | E73 King's Indian |
| 144. G Halvax vs L Leisch |
| 0-1 | 77 | 2021 | Austrian Bundesliga 2021/22 | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 145. G Nagy vs G Halvax |
| ½-½ | 30 | 2021 | Austrian Bundesliga 2021/22 | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 146. P Acs vs G Halvax |
| ½-½ | 56 | 2022 | Austrian Bundesliga 2021/22 | B31 Sicilian, Rossolimo Variation |
| 147. G Halvax vs H Schneider-Zinner |
| ½-½ | 30 | 2022 | Austrian Bundesliga 2021/22 | D33 Queen's Gambit Declined, Tarrasch |
| 148. A Moosbrugger vs G Halvax |
| 0-1 | 21 | 2022 | Austrian Bundesliga 2021/22 | A07 King's Indian Attack |
| 149. G Halvax vs I Neyman |
| 1-0 | 35 | 2022 | Austrian Bundesliga 2021/22 | E15 Queen's Indian |
| 150. L Deglmann vs G Halvax |
| 0-1 | 69 | 2022 | Austrian Bundesliga 2021/22 | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
Kibitzing
