| 1244.9 | 1246 | 20 | 20 | Van Der Merwe, W (Willem) | | GSV | 1338.8 | 1340.6 | Overvaal Open 2022 (D) | 2 | 2022-08-06 | S | B | 0 | 0.35 | -0.35 | -5.8 | 0.35 | -0.35 | -7 |
| 1244.9 | 1246 | 20 | 20 | Van Der Merwe, W (Willem) | | GSV | 1338.8 | 1340.6 | Overvaal Open 2022 (D) | 3 | 2022-08-06 | S | W | 0 | 0.43 | -0.43 | -7.1 | 0.43 | -0.43 | -8.6 |
| 1187.8 | 1187.4 | 20 | 20 | Van Der Merwe, W (Willem) | | GSV | 1262.3 | 1277 | Eureka Open 2022 (G+H) | 4 | 2022-07-30 | S | W | 0 | 0.46 | -0.46 | -7.6 | 0.44 | -0.44 | -8.8 |
| 979.9 | 951.3 | 20 | 20 | Van Der Merwe, W (Willem) | | GSV | 1192.7 | 1188.8 | LS Vryheidsmonument Chess Open 2022 (D) | 2 | 2022-05-07 | S | W | 0.5 | 0.29 | 0.21 | 3.5 | 0.27 | 0.23 | 4.6 |
| 1145.9 | 1133.6 | 20 | 20 | Van Der Merwe, W (Willem) | | GSV | 1208.5 | 1208.6 | Lux Deo NG Kerk Chess Open 2022 (D) | 3 | 2022-04-09 | S | W | 0 | 0.47 | -0.47 | -7.8 | 0.45 | -0.45 | -9 |
