| Nov 5, 2023 | Herman C. Van Riemsdijk | 1–0 | Bengt Hammar | Round 11: Herman C. Van Riemsdijk - Bengt Hammar | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Nov 2, 2023 | Christoph Frick | 1–0 | Herman C. Van Riemsdijk | Round 8: Christoph Frick - Herman C. Van Riemsdijk | Rapport-Jobava System | |
| Nov 1, 2023 | Herman C. Van Riemsdijk | ½–½ | Hector Giacomini | Round 7: Herman C. Van Riemsdijk - Hector Giacomini | Caro-Kann Defense: Panov Attack | |
| Oct 30, 2023 | Antonio Martorelli | ½–½ | Herman C. Van Riemsdijk | Round 6: Antonio Martorelli - Herman C. Van Riemsdijk | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 20, 2023 | Herman C. Van Riemsdijk | ½–½ | Jose Costa Fernandes Jr. | Rodada 5: Herman C. Van Riemsdijk - Jose Costa Fernandes Jr. | King's Indian Defense: Averbakh Variation, Benoni Defense, Exchange Variation | |
| Aug 19, 2023 | Jose Frederic De Saboya E Silva | ½–½ | Herman C. Van Riemsdijk | Rodada 4: Jose Frederic De Saboya E Silva - Herman C. Van Riemsdijk | English Opening: Symmetrical Variation | |
| Aug 19, 2023 | Herman C. Van Riemsdijk | 1–0 | Jorge Alberto Duardes Boabaid | Rodada 3: Herman C. Van Riemsdijk - Jorge Alberto Duardes Boabaid | Sicilian Defense: Najdorf Variation | |
| Aug 18, 2023 | Eduardo De Aquino Gambale | ½–½ | Herman C. Van Riemsdijk | Rodada 2: Eduardo De Aquino Gambale - Herman C. Van Riemsdijk | Ruy Lopez: Closed, Chigorin Defense | |
| Aug 18, 2023 | Herman C. Van Riemsdijk | 1–0 | Petrov Ferreira Baltar | Rodada 1: Herman C. Van Riemsdijk - Petrov Ferreira Baltar | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jun 19, 2023 | Alexandr Fier | 1–0 | Herman C. Van Riemsdijk | Round 3: Alexandr Fier - Herman C. Van Riemsdijk | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jan 19, 2023 | John Stark | 0–1 | Herman C. Van Riemsdijk | Round 9: John Stark - Herman C. Van Riemsdijk | Italian Game: Two Knights Defense | |
| Jan 19, 2023 | Herman C. Van Riemsdijk | 0–1 | Samy Shoker | Round 8: Herman C. Van Riemsdijk - Samy Shoker | Modern Defense: Pseudo-Austrian Attack | |
| Jan 18, 2023 | Robert W Smith | ½–½ | Herman C. Van Riemsdijk | Round 7: Robert W Smith - Herman C. Van Riemsdijk | Sicilian Defense | |
| Jan 17, 2023 | Herman C. Van Riemsdijk | ½–½ | Elshan Moradiabadi | Round 6: Herman C. Van Riemsdijk - Elshan Moradiabadi | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jan 17, 2023 | Gary W Lane | ½–½ | Herman C. Van Riemsdijk | Round 5: Gary W Lane - Herman C. Van Riemsdijk | Scotch Game: Classical Variation | |
| Jan 16, 2023 | Herman C. Van Riemsdijk | ½–½ | Daniel Vanheirzeele | Round 4: Herman C. Van Riemsdijk - Daniel Vanheirzeele | Sicilian Defense: O'Kelly Variation, Venice System, Gambit Line | |
| Jan 15, 2023 | Herman C. Van Riemsdijk | ½–½ | Ben Hague | Round 3: Herman C. Van Riemsdijk - Ben Hague | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| Jan 14, 2023 | Felix Xie | 1–0 | Herman C. Van Riemsdijk | Round 2: Felix Xie - Herman C. Van Riemsdijk | Benko Gambit Accepted: King Walk Variation | |
| Jan 14, 2023 | Herman C. Van Riemsdijk | 1–0 | Stephen G Lukey | Round 1: Herman C. Van Riemsdijk - Stephen G Lukey | French Defense: MacCutcheon Variation, Janowski Variation | |
| Jan 10, 2023 | Daniel Hanwen Gong | ½–½ | Herman C. Van Riemsdijk | NZCongress R9: Daniel Hanwen Gong - Herman C. Van Riemsdijk | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jan 9, 2023 | Nadia Braganza | 0–1 | Herman C. Van Riemsdijk | NZCongress R8: Nadia Braganza - Herman C. Van Riemsdijk | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 8, 2023 | Herman C. Van Riemsdijk | ½–½ | Leonard J McLaren | NZCongress R7: Herman C. Van Riemsdijk - Leonard J McLaren | Sicilian Defense: Kalashnikov Variation | |
| Jan 7, 2023 | David Junyang Zhu | 0–1 | Herman C. Van Riemsdijk | NZCongress R6: David Junyang Zhu - Herman C. Van Riemsdijk | Benko Gambit Accepted: Modern Variation | |
| Jan 6, 2023 | Herman C. Van Riemsdijk | 0–1 | Elshan Moradiabadi | NZCongress R5: Herman C. Van Riemsdijk - Elshan Moradiabadi | Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation | |
| Jan 5, 2023 | Samy Shoker | ½–½ | Herman C. Van Riemsdijk | NZCongress R4: Samy Shoker - Herman C. Van Riemsdijk | King's Indian Attack: Double Fianchetto | |
| Jan 4, 2023 | Herman C. Van Riemsdijk | 1–0 | Joshua Langford | NZCongress R3: Herman C. Van Riemsdijk - Joshua Langford | Caro-Kann Defense: Maróczy Variation | |
| Jan 3, 2023 | Timothy Huy Minh Ha | 0–1 | Herman C. Van Riemsdijk | NZCongress R2: Timothy Huy Minh Ha - Herman C. Van Riemsdijk | Catalan Opening: Open Defense, Classical Line | |
| Jan 2, 2023 | Herman C. Van Riemsdijk | ½–½ | Cohen Young | NZCongress R1: Herman C. Van Riemsdijk - Cohen Young | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |