PLAYER PAGE
Nina Grobbelaar
2190314138Tshwane (GTP)Personal
Main rating
| Rating | 1383.9 |
| K-factor | 36 |
| Floor | 879.2 |
| Highest | 1388.8 (2026-01-01) |
| Min/Max +/- allowed | 127 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1387.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1383.9 |
| K-factor | 36 |
| Floor | 879.2 |
| Highest | 1388.8 (2026-01-01) |
| Min/Max +/- allowed | 126.7 |
Standard rating
| Rating | 1385 |
| K-factor | 36 |
| Floor | 883.2 |
| Highest | 1387.6 (2026-01-01) |
| Min/Max +/- allowed | 126.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1387.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1385 |
| K-factor | 36 |
| Floor | 883.2 |
| Highest | 1387.6 (2026-01-01) |
| Min/Max +/- allowed | 126.9 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-02-01) |
| 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 (2025-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-02-01) |
| 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 (2025-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Blou Bull Chess Tournament (U8) | Standard | 2026-02-21 | 2026-02-21 | Tshwane (GTP) | 5 | 1383.9 | 4 | 3 | 1483.1 | 14 | Details |
| 2 | 2026 AHS Chess Tournament (U8) | Standard | 2026-02-28 | 2026-02-28 | Tshwane (GTP) | 5 | 1383.9 | 4 | 3 | 1452.5 | 9.9 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Tshwane Chess Registration Tournament (U8) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1378.9 | 5 | 3 | 1355 | 0 | Details |
| 2 | 2025 Mzansi Individual Championships (U8 Girls) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1257.2 | 6 | 6 | 1644.7 | 0 | Details |
| 3 | 2025 Mzansi Inter Provincial Team Championships (U8 Girls) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1257.2 | 6 | 5 | 1466.9 | 0 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U8+U10 Girls) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1257.2 | 5 | 2 | 1142.9 | 0 | Details |
| 5 | 2025 Centurion Chess Open Tournament (U8) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1275.6 | 5 | 2 | 1178.1 | 0 | Details |
| 6 | 2025 Etienne Lewis Closed Chess Tournament (U8) | Standard | 2025-08-09 | 2025-08-09 | Tshwane (GTP) | 5 | 1299.4 | 5 | 2 | 1186.1 | 0 | Details |
| 7 | 2025 Wynie Robbertse Chess Tournament (U8) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1224.4 | 5 | 2.5 | 1280 | 0 | Details |
| 8 | South African Open 2025 (U8 Girls) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1224.4 | 5 | 4 | 1495.5 | 0 | Details |
| 9 | Third Knight Riders Junior Open 2025 (U8) | Standard | 2025-06-22 | 2025-06-22 | Johannesburg Metro (GJM) | 5 | 1201.9 | 5 | 3 | 1323.1 | 0 | Details |
| 10 | 2025 Silver Lakes Chess Club Open Chess Tournament (U8) | Standard | 2025-05-03 | 2025-05-03 | Tshwane (GTP) | 5 | 1216.6 | 4 | 1 | 1061.6 | 0 | Details |
| 11 | Lubowski Open 2025 (E+F) | Standard | 2025-03-21 | 2025-03-21 | Tshwane (GTP) | 5 | 1199.5 | 5 | 3 | 1279.1 | 0 | Details |
| 12 | 2025 Chris Greyling Open Chess Tournament (U8) | Standard | 2025-03-15 | 2025-03-15 | Tshwane (GTP) | 5 | 1199.5 | 4 | 1 | 1095.1 | 0 | Details |
| 13 | AHS Open Chess Tournament 2025 (U8) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1199.5 | 4 | 2 | 1293.1 | 0 | Details |
| 14 | Constantiapark Open 2025 (U8) | Standard | 2025-02-15 | 2025-02-15 | Tshwane (GTP) | 5 | 1198.5 | 4 | 2 | 1256.5 | 0 | Details |
| 15 | 2025 Blou Bul Open Chess Tournament (F) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 1198.5 | 4 | 1.5 | 1118.4 | 0 | Details |
| 16 | 2025 Tshwane Chess OPEN Registration Tournament (U8) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1200 | 4 | 1.5 | 1083.5 | 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 | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1270 |
| Performance | 1355 |
Game statistics (History)
| Games | 76 |
| Wins | 40 |
| Draws | 3 |
| Losses | 33 |
| White | 38 |
| Black | 38 |
| White wins | 22 |
| Black wins | 18 |
| Score | 41.5 |
| Percent | 54.6 |
| Dp | 39.1 |
| AOR | 1243.8 |
| Performance | 1282.9 |
Rankings (Main)
| National | |
| Overall | 3626 |
| Gender | 562 |
| Age group | 8 |
| Gender/Age | 2 |
| Provincial | |
| Overall | 1242 |
| Gender | 201 |
| Age group | 3 |
| Gender/Age | 1 |
| Regional | |
| Overall | 450 |
| Gender | 86 |
| Age group | 2 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 3257 |
| Gender | 513 |
| Age group | 8 |
| Gender/Age | 3 |
| Provincial | |
| Overall | 1162 |
| Gender | 187 |
| Age group | 3 |
| Gender/Age | 1 |
| Regional | |
| Overall | 438 |
| Gender | 83 |
| Age group | 2 |
| Gender/Age | 1 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1270 |
| Dp | 85 |
| Prat | 1355 |
Performance (12 months)
| Games | 60 |
| Score | 34.5 |
| Percent | 57.5 |
| Aor | 1244.5 |
| Dp | 63.8 |
| Prat | 1308.2 |
Performance (History)
| Games | 76 |
| Score | 41.5 |
| Percent | 54.6 |
| Aor | 1243.8 |
| Dp | 39.1 |
| Prat | 1282.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Conradie, L (Lily) | 4 | 3 | 1 | 2025 Blou Bul Open Chess Tournament (F) | 2025 Centurion Chess Open Tournament (U8) | Details |
| Overall | 2 | Mendonca, M (Mark) | 4 | 3 | 1 | 2025 Tshwane Chess OPEN Registration Tournament (U8) | 2025 Chris Greyling Open Chess Tournament (U8) | Details |
| Overall | 3 | Klopper, L (Liam) | 3 | 1 | 2 | 2025 Tshwane Chess OPEN Registration Tournament (U8) | 2025 Wynie Robbertse Chess Tournament (U8) | Details |
| Overall | 4 | Fourie, D (Daniël) | 3 | 2 | 1 | 2025 Silver Lakes Chess Club Open Chess Tournament (U8) | 2025 Etienne Lewis Closed Chess Tournament (U8) | Details |
| Overall | 5 | Sekgobela, A (Adil) | 3 | 2 | 1 | 2025 Wynie Robbertse Chess Tournament (U8) | 2026 Tshwane Chess Registration Tournament (U8) | Details |
| Standard | 1 | Mendonca, M (Mark) | 4 | 3 | 1 | 2025 Tshwane Chess OPEN Registration Tournament (U8) | 2025 Chris Greyling Open Chess Tournament (U8) | Details |
| Standard | 2 | Conradie, L (Lily) | 4 | 3 | 1 | 2025 Blou Bul Open Chess Tournament (F) | 2025 Centurion Chess Open Tournament (U8) | Details |
| Standard | 3 | Modisane, P (Ponatshego) | 3 | 1 | 2 | 2025 Mzansi Inter Provincial Team Championships (U8 Girls) | 2025 Mzansi Individual Championships (U8 Girls) | Details |
| Standard | 4 | Fourie, D (Daniël) | 3 | 2 | 1 | 2025 Silver Lakes Chess Club Open Chess Tournament (U8) | 2025 Etienne Lewis Closed Chess Tournament (U8) | Details |
| Standard | 5 | Van Zyl, L (Liane) | 3 | 0 | 3 | Constantiapark Open 2025 (U8) | 2025 Etienne Lewis Closed Chess Tournament (U8) | Details |