| 1489.9 | 1502.1 | 20 | 20 | Van Der Walt, AB (Bernize) | WCM | FMB | 1462.6 | 1473.1 | Free State Closed 2019 (Women) | 2 | 2019-09-27 | S | W | 0.5 | 0.57 | -0.07 | -1.3 | 0.58 | -0.08 | -1.6 |
| 1378.3 | 1381.5 | 20 | 20 | Van Der Walt, AB (Bernize) | WCM | FMB | 1385.1 | 1384.9 | Mangaung Metro Chess 9 - 10 March 2018 (B) | 4 | 2018-03-10 | S | W | 0.5 | 0.53 | -0.03 | -0.5 | 0.54 | -0.04 | -0.8 |
| 1339.2 | 1331.8 | 20 | 20 | Van Der Walt, AB (Bernize) | WCM | FMB | 1397.3 | 1400.9 | Mangaung Metro Chess 2 & 3 February 2018 (B) | 4 | 2018-02-03 | S | W | 0.5 | 0.47 | 0.03 | 0.5 | 0.46 | 0.04 | 0.8 |
| 1391.6 | 1391.6 | 20 | 20 | Van Der Walt, AB (Bernize) | WCM | FMB | 1423 | 1423 | Mangaung Metro Chess 19 & 20 January 2018 (B) | 3 | 2018-01-20 | S | B | 0.5 | 0.42 | 0.08 | 1.3 | 0.42 | 0.08 | 1.6 |
| 1295 | 1295 | 20 | 20 | Van Der Walt, Ab (Bernize) | WCM | FMB | 1336 | 1336 | Free State Closed 2017 (U20+Ladies) | 3 | 2017-10-07 | S | W | 0.5 | 0.44 | 0.06 | 1.2 | 0.06 | 0.44 | 8.8 |
| 1353 | 1353 | 20 | 20 | Van Der Walt, Ab (Bernize) | WCM | FMB | 1306 | 1306 | 2017 Inter-Regional (Under 16 Girls) | 5 | 2017-05-13 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | -0.07 | 0.57 | 11.4 |
| 1364 | 1364 | 20 | 20 | Van Der Walt, Ab (Bernize) | WCM | FMB | 1331 | 1331 | Sa Junior Closed Chess Championship 2017 (U16 Girls) | 3 | 2017-04-06 | S | B | 0 | 0.55 | -0.55 | -11 | -0.55 | 0.55 | 11 |
| 1335 | 1335 | 20 | 20 | Van Der Walt, Ab (Bernize) | WCM | FMB | 1336 | 1336 | Jacobsdal Chess Tournament 2017 (A) | 4 | 2017-03-04 | S | W | 1 | 0.5 | 0.5 | 8.4 | 0.5 | 0.5 | 10 |
| 1290 | 1290 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1420 | 1420 | Courteney Page Memorial Chess Tournament 2016 (Open) | 4 | 2016-09-03 | S | W | 0 | 0.32 | -0.32 | -5.4 | -0.32 | 0.32 | 6.4 |
| 1290 | 1290 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1420 | 1420 | Mangaung Metro Chess 14 15 October 2016 (U16) | 3 | 2016-10-15 | S | W | 1 | 0.32 | 0.68 | 11.4 | 0.68 | 0.32 | 6.4 |
| 1285 | 1285 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1336 | 1336 | Mangaung Metro Chess 22-23 July 2016 (U16) | 4 | 2016-07-23 | S | W | 0.5 | 0.43 | 0.07 | 1.2 | 0.07 | 0.43 | 8.6 |
| 1147 | 1147 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1360 | 1360 | Inter Provincial Trials 2016 (A Section) | 4 | 1900-01-01 | S | B | 1 | 0.23 | 0.77 | 12.8 | 0.77 | 0.23 | 4.6 |
| 1243 | 1243 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1380 | 1380 | Sa Junior Closed Chess Championship 2016 (U14 Girls) | 1 | 2016-03-20 | S | W | 0 | 0.32 | -0.32 | -6.4 | -0.32 | 0.32 | 6.4 |
| 1243 | 1243 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1380 | 1380 | Mangaung Metro - Jacobsdal 26 To 27 February 2016 (U16 U18) | 5 | 2016-02-27 | S | W | 0 | 0.32 | -0.32 | -5.4 | -0.32 | 0.32 | 6.4 |
| 1221 | 1221 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1387 | 1387 | Mangaung Metro Chess 5 To 6 February 2016 (U16) | 3 | 2016-02-06 | S | B | 0.5 | 0.28 | 0.22 | 3.7 | 0.22 | 0.28 | 5.6 |
| 1224 | 1224 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1343 | 1343 | 24 October 2015 Upington (A B Section) | 5 | 2015-10-24 | S | B | 0.5 | 0.34 | 0.16 | 2.7 | 0.16 | 0.34 | 6.8 |
| 1231 | 1231 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1350 | 1350 | Nc Trials 2015 (U14) | 5 | 2015-08-29 | S | B | 0.5 | 0.34 | 0.16 | 2.7 | 0.16 | 0.34 | 6.8 |
| 1229 | 1229 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1341 | 1341 | Kathu Tournament 30 May 2015 (A Section) | 5 | 2015-05-30 | S | B | 1 | 0.35 | 0.65 | 10.8 | 0.65 | 0.35 | 7 |
| 1213 | 1213 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1313 | 1313 | Inter Region 2015 (U14) | 5 | 2015-05-09 | S | W | 0 | 0.36 | -0.36 | -6 | -0.36 | 0.36 | 7.2 |
| 1036 | 1036 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1382 | 1382 | 13 14 Feb Duineveld (B-Section) | 5 | 1900-01-01 | S | W | 0 | 0.11 | -0.11 | -1.8 | -0.11 | 0.11 | 2.2 |
| 1036 | 1036 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1382 | 1382 | Kimberley 17 18 October 2014 (B Section) | 6 | 2014-10-18 | S | B | 0 | 0.11 | -0.11 | -1.8 | -0.11 | 0.11 | 2.2 |
| 1229 | 1229 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1252 | 1252 | Northern Cape Trials 2014 (U14) | 6 | 2014-08-16 | S | B | 0.5 | 0.47 | 0.03 | 0.5 | 0.03 | 0.47 | 9.4 |
| 1229 | 1229 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1252 | 1252 | Upington Duineveld 1Augustus 2014 (A Section) | 2 | 2014-08-01 | S | B | 0 | 0.47 | -0.47 | -7.8 | -0.47 | 0.47 | 9.4 |
| 1257 | 1257 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1258 | 1258 | Sa School Individual Chess Championship 2014 U13 G | 4 | 2014-07-11 | S | B | 0.5 | 0.5 | 0 | 0 | 0 | 0.5 | 10 |
| 1263 | 1263 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1288 | 1288 | 27 June 2014 Newton Tournament (B- Section) | 5 | 2014-06-28 | S | B | 0.5 | 0.47 | 0.03 | 0.5 | 0.03 | 0.47 | 9.4 |
| 1217 | 1217 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1332 | 1332 | Northern Cape Individual School Championship (U13 Girls) | 5 | 2014-05-17 | S | W | 0.5 | 0.34 | 0.16 | 2.7 | 0.16 | 0.34 | 6.8 |
| 1309 | 1309 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1314 | 1314 | 11 12 April 2014 Northern Cape Tournament (B Section) | 4 | 2014-04-12 | S | W | 0 | 0.49 | -0.49 | -8.1 | -0.49 | 0.49 | 9.8 |
| 1235 | 1235 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1341 | 1341 | Inter Provincial Trials (U14) | 5 | 2014-03-01 | S | B | 1 | 0.36 | 0.64 | 10.6 | 0.64 | 0.36 | 7.2 |
| 1255 | 1255 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1309 | 1309 | Duineveld Open (B Section) | 5 | 2014-02-08 | S | B | 0 | 0.42 | -0.42 | -7 | -0.42 | 0.42 | 8.4 |
| 1203 | 1203 | 20 | 20 | Van Der Walt, Ab (Bernize) | | NC | 1296 | 1296 | Kimberley Newton 24 25 January 2014 (B Section) | 6 | 2014-01-25 | S | B | 1 | 0.37 | 0.63 | 10.5 | 0.63 | 0.37 | 7.4 |
| 1143 | 1143 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1242 | 1242 | Interprovincial Trials 2013 Hopetown U12 | 6 | 2013-04-20 | S | W | 1 | 0.36 | 0.64 | 10.6 | 0.64 | 0.36 | 7.2 |
| 1143 | 1143 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1242 | 1242 | South African Junior Closed 2013 U12 Girls | 8 | 2013-04-05 | S | W | 0 | 0.36 | -0.36 | -7.2 | -0.36 | 0.36 | 7.2 |
| 1129 | 1129 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1213 | 1213 | Piet Van Zyl Open 2013 | 4 | 2013-03-21 | S | W | 0 | 0.38 | -0.38 | -6.3 | -0.38 | 0.38 | 7.6 |
| 1232 | 1232 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1296 | 1296 | Northern Cape Trials 2012 U12 | 5 | 2012-09-01 | S | B | 0.5 | 0.42 | 0.08 | 1.3 | 0.08 | 0.42 | 8.4 |
| 1232 | 1232 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1276 | 1276 | 3 4 Augustus 2012 Hopetown U12 | 2 | 2012-08-03 | S | W | 1 | 0.38 | 0.62 | 10.3 | 0.62 | 0.38 | 7.6 |
| 1232 | 1232 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1256 | 1256 | 20 Julie Prieska Toernooi U16 | 4 | 2012-07-21 | S | W | 0 | 0.44 | -0.44 | -7.3 | -0.44 | 0.44 | 8.8 |
| 1232 | 1232 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1241 | 1241 | Sa Nasional Open Section Ladies Tournament | 2 | 2012-08-10 | S | W | 0 | 0.49 | -0.49 | -9.8 | -0.49 | 0.49 | 9.8 |
| 1294 | 1294 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1232 | 1232 | Minichess 2012 U16 | 5 | 2012-06-22 | S | B | 0 | 0.51 | -0.51 | -8.5 | -0.51 | 0.51 | 10.2 |
| 1262 | 1262 | 20 | 20 | Van Der Walt, Ab (Bernize) | WUM | NC | 1302 | 1302 | 2012 Kuruman Toernooi A Seksie | 4 | 2012-06-02 | S | B | 1 | 0.44 | 0.56 | 9.3 | 0.56 | 0.44 | 8.8 |
