PLAYER PAGE
Zian Van Der Merwe
1160319183John Taolo Gaetswewe (NCJ)Personal
Main rating
| Rating | 1163.5 |
| K-factor | 36 |
| Floor | 737 |
| Highest | 1237 (2025-09-01) |
| Min/Max +/- allowed | 157 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1024.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1163.5 |
| K-factor | 36 |
| Floor | 737 |
| Highest | 1237 (2025-09-01) |
| Min/Max +/- allowed | 157.3 |
Standard rating
| Rating | 1160.6 |
| K-factor | 36 |
| Floor | 744.7 |
| Highest | 1244.7 (2025-09-01) |
| Min/Max +/- allowed | 155.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1024.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1160.6 |
| K-factor | 36 |
| Floor | 744.7 |
| Highest | 1244.7 (2025-09-01) |
| Min/Max +/- allowed | 155.6 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-05-05) |
| 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 (2025-05-05) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-05-05) |
| 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 (2025-05-05) |
| 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 | Northern Cape Closed 2026 (U12 Open) | Standard | 2026-08-21 | 2026-08-22 | ZF Mgcawu (NZF) | 5 | 1163.5 | 5 | 3 | 1090.4 | -16 | Details |
| 2 | Inter Regional Chess Championship 2026 (Team U12) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1206 | 5 | 1.5 | 1050.3 | -26.4 | Details |
| 3 | 2025 Mzansi Individual Championships (U10 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1237 | 0 | 0 | 0 | 0 | Details |
| 4 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1237 | 6 | 1 | 993.6 | -28.6 | Details |
| 5 | JTG Open Tournament 4 2025 (C) | Standard | 2025-07-26 | 2025-07-26 | John Taolo Gaetswewe (NCJ) | 5 | 1199.4 | 5 | 3.5 | 1385.1 | 18.8 | Details |
| 6 | 2025 Hotazel College Rated Chess Tournament (U11) | Standard | 2025-05-10 | 2025-05-10 | John Taolo Gaetswewe (NCJ) | 5 | 1198.8 | 4 | 0 | 775 | -33 | Details |
| 7 | JTG Open Tournament 2 2025 (C) | Standard | 2025-04-12 | 2025-04-12 | John Taolo Gaetswewe (NCJ) | 5 | 1200 | 5 | 2 | 1116.9 | -7.5 | 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 | 10 |
| Wins | 4 |
| Draws | 1 |
| Losses | 5 |
| White | 4 |
| Black | 6 |
| White wins | 2 |
| Black wins | 2 |
| Score | 4.5 |
| Percent | 45 |
| Dp | -42.5 |
| AOR | 1112.9 |
| Performance | 1070.4 |
Game statistics (History)
| Games | 30 |
| Wins | 10 |
| Draws | 2 |
| Losses | 18 |
| White | 13 |
| Black | 17 |
| White wins | 6 |
| Black wins | 4 |
| Score | 11 |
| Percent | 36.7 |
| Dp | -113.3 |
| AOR | 1189.2 |
| Performance | 1075.8 |
Rankings (Main)
| National | |
| Overall | 15930 |
| Gender | 12125 |
| Age group | 2492 |
| Gender/Age | 1789 |
| Provincial | |
| Overall | 541 |
| Gender | 429 |
| Age group | 55 |
| Gender/Age | 37 |
| Regional | |
| Overall | 87 |
| Gender | 66 |
| Age group | 17 |
| Gender/Age | 11 |
Rankings (Standard)
| National | |
| Overall | 12078 |
| Gender | 9084 |
| Age group | 1881 |
| Gender/Age | 1329 |
| Provincial | |
| Overall | 491 |
| Gender | 387 |
| Age group | 51 |
| Gender/Age | 34 |
| Regional | |
| Overall | 86 |
| Gender | 66 |
| Age group | 16 |
| Gender/Age | 11 |
Rankings (Rapid)
| 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 |
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 | 10 |
| Score | 4.5 |
| Percent | 45 |
| Aor | 1112.9 |
| Dp | -42.5 |
| Prat | 1070.4 |
Performance (12 months)
| Games | 16 |
| Score | 5.5 |
| Percent | 34.4 |
| Aor | 1174.4 |
| Dp | -132.8 |
| Prat | 1041.6 |
Performance (History)
| Games | 30 |
| Score | 11 |
| Percent | 36.7 |
| Aor | 1189.2 |
| Dp | -113.3 |
| Prat | 1075.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Pienaar, J (Jo-Gean) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Inter Regional Chess Championship 2026 (Team U12) | Details |
| Standard | 1 | Pienaar, J (Jo-Gean) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | Inter Regional Chess Championship 2026 (Team U12) | Details |