PLAYER PAGE
Chelsey Jantjies
2090320275Namakwa (NCN)Personal
Main rating
| Rating | 1141.5 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-05-13) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 948.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1141.5 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-05-13) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1147.8 |
| K-factor | 36 |
| Floor | 709.1 |
| Highest | 1209.1 (2025-09-01) |
| Min/Max +/- allowed | 163.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1147.8 |
| K-factor | 36 |
| Floor | 709.1 |
| Highest | 1209.1 (2025-09-01) |
| Min/Max +/- allowed | 163.7 |
Rapid rating
| Rating | 1173.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-06-01) |
| 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 | 1173.3 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-06-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-06-01) |
| 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 (2025-06-01) |
| 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 | Namakwa Toernooi 1.2 Junie 2026 (U18) | Standard | 2026-06-20 | 2026-06-20 | Namakwa (NCN) | 5 | 1176.8 | 5 | 2 | 1002.3 | -35.3 | Details |
| 2 | 2025 Mzansi Inter Provincial Team Championships (U18 Girls) | Standard | 2025-12-15 | 2025-12-16 | Nelson Mandela Bay (ENM) | 5 | 1194.2 | 5 | 0 | 877.9 | -30.4 | Details |
| 3 | Northern Cape Closed 202 (U18 Girls) | Standard | 2025-08-22 | 2025-08-23 | ZF Mgcawu (NZF) | 5 | 1199.5 | 5 | 2.5 | 1242 | 3.9 | Details |
| 4 | Namakwa Toernooi 3 2025 (U18) | Rapid | 2025-08-09 | 2025-08-09 | Namakwa (NCN) | 10 | 1199.5 | 10 | 3.5 | 1065.1 | -12.7 | Details |
| 5 | 2025 Namakwa Skaak Toernoei 2.0 (U16) | Standard | 2025-05-10 | 2025-05-10 | Namakwa (NCN) | 5 | 1200 | 5 | 0.5 | 860.9 | -32.7 | 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 | 2 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 2 |
| White wins | 2 |
| Black wins | 0 |
| Score | 2 |
| Percent | 40 |
| Dp | -85 |
| AOR | 1087.3 |
| Performance | 1002.3 |
Game statistics (History)
| Games | 30 |
| Wins | 7 |
| Draws | 3 |
| Losses | 20 |
| White | 14 |
| Black | 16 |
| White wins | 6 |
| Black wins | 1 |
| Score | 8.5 |
| Percent | 28.3 |
| Dp | -184.2 |
| AOR | 1203 |
| Performance | 1018.9 |
Rankings (Main)
| National | |
| Overall | 18128 |
| Gender | 4507 |
| Age group | 2586 |
| Gender/Age | 615 |
| Provincial | |
| Overall | 622 |
| Gender | 134 |
| Age group | 103 |
| Gender/Age | 19 |
| Regional | |
| Overall | 93 |
| Gender | 19 |
| Age group | 24 |
| Gender/Age | 5 |
Rankings (Standard)
| National | |
| Overall | 13313 |
| Gender | 3374 |
| Age group | 1997 |
| Gender/Age | 488 |
| Provincial | |
| Overall | 544 |
| Gender | 122 |
| Age group | 93 |
| Gender/Age | 18 |
| Regional | |
| Overall | 71 |
| Gender | 16 |
| Age group | 18 |
| Gender/Age | 5 |
Rankings (Rapid)
| National | |
| Overall | 5391 |
| Gender | 1290 |
| Age group | 679 |
| Gender/Age | 160 |
| Provincial | |
| Overall | 82 |
| Gender | 10 |
| Age group | 13 |
| Gender/Age | 3 |
| Regional | |
| Overall | 20 |
| Gender | 2 |
| Age group | 9 |
| Gender/Age | 2 |
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 | 2 |
| Percent | 40 |
| Aor | 1087.3 |
| Dp | -85 |
| Prat | 1002.3 |
Performance (12 months)
| Games | 25 |
| Score | 8 |
| Percent | 32 |
| Aor | 1203.5 |
| Dp | -153 |
| Prat | 1050.5 |
Performance (History)
| Games | 30 |
| Score | 8.5 |
| Percent | 28.3 |
| Aor | 1203 |
| Dp | -184.2 |
| Prat | 1018.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Ruiters, R (Rayford) | 2 | 0 | 2 | 2025 Namakwa Skaak Toernoei 2.0 (U16) | Namakwa Toernooi 3 2025 (U18) | Details |
| Overall | 2 | Smith, J (Jean-Pete) | 2 | 0 | 2 | Namakwa Toernooi 3 2025 (U18) | Namakwa Toernooi 1.2 Junie 2026 (U18) | Details |
| Overall | 3 | Harmse, D (Devon) | 2 | 1 | 1 | 2025 Namakwa Skaak Toernoei 2.0 (U16) | Namakwa Toernooi 1.2 Junie 2026 (U18) | Details |
| Overall | 4 | Van Rooi, K (Kate-Lynn) | 2 | 1 | 1 | Namakwa Toernooi 3 2025 (U18) | Namakwa Toernooi 1.2 Junie 2026 (U18) | Details |
| Standard | 1 | Harmse, D (Devon) | 2 | 1 | 1 | 2025 Namakwa Skaak Toernoei 2.0 (U16) | Namakwa Toernooi 1.2 Junie 2026 (U18) | Details |