PLAYER PAGE
Alexander Van Heerden
1100152485West Rand (GWR)Personal
Main rating
| Rating | 1361.6 |
| K-factor | 32 |
| Floor | 928.6 |
| Highest | 1442.1 (2025-09-30) |
| Min/Max +/- allowed | 117 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1236.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1361.6 |
| K-factor | 32 |
| Floor | 928.6 |
| Highest | 1442.1 (2025-09-30) |
| Min/Max +/- allowed | 117.4 |
Standard rating
| Rating | 1368.2 |
| K-factor | 32 |
| Floor | 939 |
| Highest | 1445 (2025-09-30) |
| Min/Max +/- allowed | 117 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1236.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1368.2 |
| K-factor | 32 |
| Floor | 939 |
| Highest | 1445 (2025-09-30) |
| Min/Max +/- allowed | 117 |
Rapid rating
| Rating | 1179.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1179.7 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | MCA Welcome JHB 2026 (Intermediate) | Standard | 2026-02-07 | 2026-02-07 | Johannesburg Metro (GJM) | 5 | 1375.4 | 5 | 1.5 | 1158.9 | 0 | Details |
| 2 | Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1419.7 | 5 | 0.5 | 1163 | 0 | Details |
| 3 | West Rand Closed 2025 (U16) | Standard | 2025-10-18 | 2025-10-18 | West Rand (GWR) | 5 | 1441.6 | 5 | 3 | 1434.1 | 0 | Details |
| 4 | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1441.6 | 5 | 3 | 1390.9 | 0 | Details |
| 5 | West Rand Trials 2025 (U16) | Standard | 2025-09-06 | 2025-09-06 | West Rand (GWR) | 5 | 1411.1 | 5 | 3.5 | 1539.4 | 0 | Details |
| 6 | West Rand Women's Day Open 2025 (Rooks) | Standard | 2025-08-09 | 2025-08-09 | West Rand (GWR) | 5 | 1423.6 | 5 | 3 | 1323.7 | 0 | Details |
| 7 | 2025 D2 Schools League Finals (U15) | Standard | 2025-07-26 | 2025-07-26 | West Rand (GWR) | 5 | 1399.9 | 5 | 4 | 1512.9 | 0 | Details |
| 8 | 2025 D2 Schools Individuals (U15 Open) | Standard | 2025-05-10 | 2025-05-10 | West Rand (GWR) | 5 | 1372.3 | 5 | 4 | 1521 | 0 | Details |
| 9 | MCA Summer March 2025 (Intermediate) | Standard | 2025-03-08 | 2025-03-08 | Johannesburg Metro (GJM) | 5 | 1320.2 | 0 | 0 | 0 | 0 | Details |
| 10 | West Rand Juniors 2025 (U16) | Standard | 2025-03-08 | 2025-03-08 | West Rand (GWR) | 5 | 1320.2 | 5 | 4 | 1580.1 | 0 | Details |
| 11 | JMC Crawford Ruimsig 2025 (C) | Standard | 2025-03-01 | 2025-03-01 | Johannesburg Metro (GJM) | 5 | 1320.2 | 5 | 2.5 | 1357 | 0 | Details |
| 12 | 2025 West Rand Open (Rooks) | Standard | 2025-02-08 | 2025-02-08 | West Rand (GWR) | 5 | 1266.5 | 5 | 3.5 | 1531.8 | 0 | Details |
| 13 | JMC Kick Off 2025 (D) | Standard | 2025-02-02 | 2025-02-02 | Johannesburg Metro (GJM) | 5 | 1266.5 | 5 | 2.5 | 1222.9 | 0 | Details |
| 14 | Gauteng Inter-Region at UJ 2024 (U16 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1249.9 | 5 | 2.5 | 1341.3 | 0 | Details |
| 15 | 2024 West Rand Closed (U16) | Standard | 2024-10-12 | 2024-10-12 | West Rand (GWR) | 5 | 1251.1 | 5 | 2 | 1237 | 0 | Details |
| 16 | 2024 West Rand Trials (U16) | Standard | 2024-09-07 | 2024-09-07 | West Rand (GWR) | 5 | 1265.5 | 5 | 2 | 1158.1 | 0 | Details |
| 17 | Chess Power House Spring Rapid 2024 | Rapid | 2024-09-01 | 2024-09-01 | Johannesburg Metro (GJM) | 7 | 1265.5 | 7 | 2 | 1335.1 | 0 | Details |
| 18 | JMC Closed 2024 (D) | Standard | 2024-08-09 | 2024-08-11 | Johannesburg Metro (GJM) | 5 | 1264.1 | 5 | 3 | 1262.8 | 0 | Details |
| 19 | D2 School League Finals 2024 (U15) | Standard | 2024-07-20 | 2024-07-20 | West Rand (GWR) | 5 | 1259.2 | 5 | 2 | 1122.3 | 0 | Details |
| 20 | JMC Trinityhouse Randpark Ridge 2024 (D) | Standard | 2024-07-13 | 2024-07-13 | Johannesburg Metro (GJM) | 5 | 1259.2 | 5 | 4 | 1457.8 | 0 | Details |
| 21 | JMC NG Weltevreden Church 2024 | Rapid | 2024-06-29 | 2024-06-29 | Johannesburg Metro (GJM) | 7 | 1259.2 | 7 | 2.5 | 1212.7 | 0 | Details |
| 22 | JMC Trinityhouse Little Falls 2024 (C) | Standard | 2024-06-02 | 2024-06-02 | Johannesburg Metro (GJM) | 5 | 1249 | 5 | 2 | 1303.2 | 0 | Details |
| 23 | JMC Crawford International Sandton 2024 (C) | Standard | 2024-05-11 | 2024-05-11 | Johannesburg Metro (GJM) | 5 | 1280.7 | 5 | 2 | 1304.1 | 0 | Details |
| 24 | 2024 D2 Schools Individuals (U15 Boys) | Standard | 2024-05-04 | 2024-05-04 | West Rand (GWR) | 5 | 1280.7 | 5 | 2 | 1093.3 | 0 | Details |
| 25 | JMC Unika School Tournament 2024 (D) | Standard | 2024-03-02 | 2024-03-02 | Johannesburg Metro (GJM) | 5 | 1241.6 | 5 | 3.5 | 1457.8 | 0 | Details |
| 26 | 2024 West Rand Open (Rooks) | Standard | 2024-02-03 | 2024-02-03 | West Rand (GWR) | 5 | 1210.8 | 5 | 3.5 | 1444.7 | 0 | Details |
| 27 | Gear Up Mzansi Rapid 2024 (Junior) | Rapid | 2024-02-17 | 2024-02-17 | Johannesburg Metro (GJM) | 5 | 1210.8 | 5 | 2 | 1134.1 | 0 | Details |
| 28 | 2024 Gauteng Inter-Region Chess Championship (U14C) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1227 | 5 | 2 | 1151.1 | 0 | Details |
| 29 | ThinkChess Academy 2023 (B) | Standard | 2023-09-09 | 2023-09-09 | Johannesburg Metro (GJM) | 5 | 1205.9 | 5 | 3.5 | 1312.5 | 0 | Details |
| 30 | 2023 Gauteng Top Schools (U13 Mixed) | Standard | 2023-08-18 | 2023-08-18 | West Rand (GWR) | 5 | 1221.1 | 5 | 2 | 1142.2 | 0 | Details |
| 31 | JMC Trinity Little Falls 2023 (D) | Standard | 2023-07-02 | 2023-07-02 | Johannesburg Metro (GJM) | 5 | 1205.3 | 5 | 3 | 1302.3 | 0 | Details |
| 32 | JNW Open - Trinityhouse Little Falls 2023 (C) | Standard | 2023-06-24 | 2023-06-24 | Johannesburg Metro (GJM) | 5 | 1171.4 | 5 | 3 | 1338.5 | 0 | Details |
| 33 | JNW Open - Trinityhouse Little Falls 2023 (D) | Standard | 2023-05-13 | 2023-05-13 | Johannesburg Metro (GJM) | 5 | 1197.3 | 5 | 2 | 1072 | 0 | Details |
| 34 | JMC 1 St Peters 2023 (D) | Standard | 2023-03-18 | 2023-03-18 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 3 | 1180.8 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 5 |
| Wins | 1 |
| Draws | 1 |
| Losses | 3 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 1 |
| Score | 1.5 |
| Percent | 30 |
| Dp | -170 |
| AOR | 1328.9 |
| Performance | 1158.9 |
Game statistics (History)
| Games | 169 |
| Wins | 83 |
| Draws | 11 |
| Losses | 75 |
| White | 85 |
| Black | 84 |
| White wins | 41 |
| Black wins | 42 |
| Score | 88.5 |
| Percent | 52.4 |
| Dp | 20.1 |
| AOR | 1285.2 |
| Performance | 1305.3 |
Rankings (Main)
| National | |
| Overall | 4132 |
| Gender | 3471 |
| Age group | 646 |
| Gender/Age | 533 |
| Provincial | |
| Overall | 1399 |
| Gender | 1169 |
| Age group | 242 |
| Gender/Age | 200 |
| Regional | |
| Overall | 102 |
| Gender | 85 |
| Age group | 15 |
| Gender/Age | 13 |
Rankings (Standard)
| National | |
| Overall | 3572 |
| Gender | 2994 |
| Age group | 557 |
| Gender/Age | 461 |
| Provincial | |
| Overall | 1269 |
| Gender | 1060 |
| Age group | 217 |
| Gender/Age | 181 |
| Regional | |
| Overall | 97 |
| Gender | 81 |
| Age group | 12 |
| Gender/Age | 11 |
Rankings (Rapid)
| National | |
| Overall | 5202 |
| Gender | 3961 |
| Age group | 729 |
| Gender/Age | 553 |
| Provincial | |
| Overall | 984 |
| Gender | 751 |
| Age group | 143 |
| Gender/Age | 102 |
| Regional | |
| Overall | 32 |
| Gender | 24 |
| Age group | 10 |
| Gender/Age | 7 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 5 |
| Score | 1.5 |
| Percent | 30 |
| Aor | 1328.9 |
| Dp | -170 |
| Prat | 1158.9 |
Performance (12 months)
| Games | 45 |
| Score | 26.5 |
| Percent | 58.9 |
| Aor | 1327.1 |
| Dp | 75.6 |
| Prat | 1402.7 |
Performance (History)
| Games | 169 |
| Score | 88.5 |
| Percent | 52.4 |
| Aor | 1285.2 |
| Dp | 20.1 |
| Prat | 1305.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Williams, J (Joshua) | 4 | 3 | 1 | JNW Open - Trinityhouse Little Falls 2023 (D) | JMC Trinityhouse Little Falls 2024 (C) | Details |
| Overall | 2 | Venter, C (Christiaan) | 3 | 2 | 1 | JMC NG Weltevreden Church 2024 | West Rand Trials 2025 (U16) | Details |
| Overall | 3 | Pillay, L (Leeyah) | 3 | 1 | 2 | JNW Open - Trinityhouse Little Falls 2023 (C) | 2024 West Rand Trials (U16) | Details |
| Overall | 4 | Mlilo, S (Sibongisiwe) | 2 | 1 | 1 | JMC Crawford International Sandton 2024 (C) | JMC NG Weltevreden Church 2024 | Details |
| Overall | 5 | Perry-Fisher, IE (Iain Eric) | 2 | 1 | 1 | 2024 West Rand Trials (U16) | 2024 West Rand Closed (U16) | Details |
| Standard | 1 | Williams, J (Joshua) | 4 | 3 | 1 | JNW Open - Trinityhouse Little Falls 2023 (D) | JMC Trinityhouse Little Falls 2024 (C) | Details |
| Standard | 2 | Pillay, L (Leeyah) | 3 | 1 | 2 | JNW Open - Trinityhouse Little Falls 2023 (C) | 2024 West Rand Trials (U16) | Details |
| Standard | 3 | Fourie, C (Caitlin) | 2 | 1 | 1 | West Rand Trials 2025 (U16) | West Rand Closed 2025 (U16) | Details |
| Standard | 4 | Sibanda, S (Sibusiso) | 2 | 1 | 1 | JNW Open - Trinityhouse Little Falls 2023 (C) | 2025 West Rand Open (Rooks) | Details |
| Standard | 5 | Miya, MT (Minentle Tshegofatso) | 2 | 1 | 1 | West Rand Juniors 2025 (U16) | West Rand Closed 2025 (U16) | Details |