PLAYER PAGE
James Vorster
1150149187Tshwane (GTP)Personal
Main rating
| Rating | 1344.7 |
| K-factor | 36 |
| Floor | 844.7 |
| Highest | 1344.7 (2026-09-01) |
| Min/Max +/- allowed | 135 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1255.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1344.7 |
| K-factor | 36 |
| Floor | 844.7 |
| Highest | 1344.7 (2026-09-01) |
| Min/Max +/- allowed | 134.9 |
Standard rating
| Rating | 1343.2 |
| K-factor | 36 |
| Floor | 843.2 |
| Highest | 1343.2 (2026-09-01) |
| Min/Max +/- allowed | 135.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1255.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1343.2 |
| K-factor | 36 |
| Floor | 843.2 |
| Highest | 1343.2 (2026-09-01) |
| Min/Max +/- allowed | 135.2 |
Rapid 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 |
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 | 2026 Alekhine Open Chess Tournament (D) | Standard | 2026-08-29 | 2026-08-30 | Tshwane (GTP) | 5 | 1344.7 | 5 | 2 | 987.5 | -62 | Details |
| 2 | 2026 Etienne Lewis (U12) | Standard | 2026-08-08 | 2026-08-10 | Tshwane (GTP) | 7 | 1344.7 | 7 | 5 | 1635.4 | 85.7 | Details |
| 3 | Wynie Robbertse Chess Tournament 2026 (U12) | Standard | 2026-06-27 | 2026-06-27 | Tshwane (GTP) | 5 | 1336.2 | 5 | 3 | 1197.9 | -19.8 | Details |
| 4 | 2026 D4 District Individuals (U11 Boys) | Standard | 2026-05-30 | 2026-05-30 | Tshwane (GTP) | 5 | 1336.2 | 5 | 2.5 | 1356 | 4.7 | Details |
| 5 | 2026 Mid Gauteng Open (U12) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1329.6 | 5 | 2 | 1349.2 | 2 | Details |
| 6 | 2026 Blou Bull Chess Tournament (U12) | Standard | 2026-02-21 | 2026-02-21 | Tshwane (GTP) | 5 | 1318.8 | 5 | 3 | 1350.8 | 4.5 | Details |
| 7 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1270.1 | 4 | 3 | 1560.4 | 27.3 | Details |
| 8 | 2025 Midstream Open Chess Tournament (U12) | Standard | 2025-08-25 | 2025-08-25 | Tshwane (GTP) | 5 | 1230.8 | 4 | 1 | 1162.9 | -5.5 | Details |
| 9 | 2025 Tshwane South School District CLOSED League Championship (U11A) | Standard | 2025-08-15 | 2025-08-15 | Tshwane (GTP) | 5 | 1230.8 | 5 | 3 | 1468.8 | 23.7 | Details |
| 10 | 2025 Etienne Lewis Closed Chess Tournament (U12) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1230.8 | 7 | 3 | 1259.2 | 3.4 | Details |
| 11 | 2025 Wynie Robbertse Chess Tournament (U12) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1219.9 | 5 | 2 | 1276.3 | 6 | Details |
| 12 | 2025 JMCA Open Chess Tournament (U12) | Standard | 2025-06-07 | 2025-06-07 | Tshwane (GTP) | 5 | 1217.5 | 5 | 2 | 1239.4 | 1.3 | Details |
| 13 | 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1214.8 | 5 | 2 | 1238.6 | 1.5 | Details |
| 14 | Lubowski Open 2025 (D2) | Standard | 2025-03-21 | 2025-03-22 | Tshwane (GTP) | 5 | 1204.5 | 5 | 2 | 1250.5 | 5.6 | Details |
| 15 | Constantiapark Open 2025 (U12) | Standard | 2025-02-15 | 2025-02-15 | Tshwane (GTP) | 5 | 1184.9 | 5 | 3 | 1303.8 | 11 | Details |
| 16 | 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) | Standard | 2024-06-01 | 2024-06-01 | Tshwane (GTP) | 5 | 1173.8 | 5 | 2 | 1231.2 | 6.1 | Details |
| 17 | 2024 Lubowski Open Chess Tournament (D2) | Standard | 2024-03-23 | 2024-03-24 | Tshwane (GTP) | 5 | 1103.4 | 5 | 4 | 1466.6 | 39 | Details |
| 18 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | Standard | 2024-01-27 | 2024-01-27 | Tshwane (GTP) | 5 | 1206.3 | 5 | 1 | 998.7 | -19.6 | Details |
| 19 | 2024 Gauteng Inter-Region Chess Championship (U12C) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1206.3 | 5 | 1 | 874.3 | -37.5 | Details |
| 20 | 2023 Alekhine Open Tournament (E+F) | Standard | 2023-09-09 | 2023-09-09 | Tshwane (GTP) | 5 | 1154.8 | 5 | 3 | 1379 | 22.9 | Details |
| 21 | 2023 Woman's Day Open Chess Tournament (Bishop) | Standard | 2023-08-09 | 2023-08-09 | Tshwane (GTP) | 5 | 1140.6 | 5 | 3 | 1248.5 | 9.8 | Details |
| 22 | 2023 Jacaranda Round Robin (K) | Standard | 2023-08-12 | 2023-08-12 | Tshwane (GTP) | 7 | 1140.6 | 6 | 2 | 1098.4 | -5.1 | Details |
| 23 | 2023 Etienne Lewis Closed Tournament (U10) | Standard | 2023-08-25 | 2023-08-27 | Tshwane (GTP) | 7 | 1140.6 | 6 | 2.5 | 1161.7 | 2.6 | Details |
| 24 | 2023 Milos Ristic Open Tournament (E) | Standard | 2023-04-27 | 2023-04-27 | Tshwane (GTP) | 5 | 1170.1 | 5 | 1.5 | 1025.1 | -14.9 | Details |
| 25 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (E) | Standard | 2023-03-04 | 2023-03-04 | Tshwane (GTP) | 5 | 1196.7 | 5 | 2 | 1069.2 | -13.1 | Details |
| 26 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | Standard | 2023-02-18 | 2023-02-18 | Tshwane (GTP) | 5 | 1200 | 4 | 2 | 1178.3 | -1.7 | 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 | 32 |
| Wins | 17 |
| Draws | 1 |
| Losses | 14 |
| White | 17 |
| Black | 15 |
| White wins | 7 |
| Black wins | 10 |
| Score | 17.5 |
| Percent | 54.7 |
| Dp | 39.8 |
| AOR | 1293.1 |
| Performance | 1333 |
Game statistics (History)
| Games | 133 |
| Wins | 60 |
| Draws | 5 |
| Losses | 68 |
| White | 69 |
| Black | 64 |
| White wins | 24 |
| Black wins | 36 |
| Score | 62.5 |
| Percent | 47 |
| Dp | -25.6 |
| AOR | 1273.6 |
| Performance | 1248 |
Rankings (Main)
| National | |
| Overall | 4851 |
| Gender | 4025 |
| Age group | 484 |
| Gender/Age | 374 |
| Provincial | |
| Overall | 1652 |
| Gender | 1373 |
| Age group | 170 |
| Gender/Age | 137 |
| Regional | |
| Overall | 567 |
| Gender | 469 |
| Age group | 55 |
| Gender/Age | 41 |
Rankings (Standard)
| National | |
| Overall | 4352 |
| Gender | 3589 |
| Age group | 450 |
| Gender/Age | 348 |
| Provincial | |
| Overall | 1560 |
| Gender | 1302 |
| Age group | 162 |
| Gender/Age | 135 |
| Regional | |
| Overall | 558 |
| Gender | 463 |
| Age group | 56 |
| Gender/Age | 41 |
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 | 32 |
| Score | 17.5 |
| Percent | 54.7 |
| Aor | 1293.1 |
| Dp | 39.8 |
| Prat | 1333 |
Performance (12 months)
| Games | 36 |
| Score | 20.5 |
| Percent | 56.9 |
| Aor | 1299.2 |
| Dp | 59 |
| Prat | 1358.2 |
Performance (History)
| Games | 133 |
| Score | 62.5 |
| Percent | 47 |
| Aor | 1273.6 |
| Dp | -25.6 |
| Prat | 1248 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Marais, L (Luke) | 4 | 3 | 1 | 2023 Etienne Lewis Closed Tournament (U10) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Overall | 2 | Westermann, I (Inge) | 4 | 3 | 1 | 2023 Jacaranda Round Robin (K) | 2025 Midstream Open Chess Tournament (U12) | Details |
| Overall | 3 | Danzfuss, E (Edrich) | 3 | 2 | 1 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Overall | 4 | Grobbelaar, M (Mienje) | 2 | 2 | 0 | 2024 Lubowski Open Chess Tournament (D2) | 2025 Wynie Robbertse Chess Tournament (U12) | Details |
| Overall | 5 | Coetzee, A (Adriaan) | 2 | 1 | 1 | 2023 Etienne Lewis Closed Tournament (U10) | Constantiapark Open 2025 (U12) | Details |
| Standard | 1 | Westermann, I (Inge) | 4 | 3 | 1 | 2023 Jacaranda Round Robin (K) | 2025 Midstream Open Chess Tournament (U12) | Details |
| Standard | 2 | Marais, L (Luke) | 4 | 3 | 1 | 2023 Etienne Lewis Closed Tournament (U10) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Standard | 3 | Danzfuss, E (Edrich) | 3 | 2 | 1 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Standard | 4 | Mothee, A (Aric) | 2 | 2 | 0 | 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) | 2026 Alekhine Open Chess Tournament (D) | Details |
| Standard | 5 | Bailey, K (Keanu) | 2 | 1 | 1 | 2023 Woman's Day Open Chess Tournament (Bishop) | 2023 Alekhine Open Tournament (E+F) | Details |