PLAYER PAGE
Jenna Thomas
2100156312West Rand (GWR)Personal
Main rating
| Rating | 1220.8 |
| K-factor | 36 |
| Floor | 801.9 |
| Highest | 1547 (2023-07-01) |
| Min/Max +/- allowed | 101 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 1.43 |
| SWe | -0.29 |
| Temp +/- | -10.6 |
| Penalties | 0 |
| Weight perform | 1220.5 |
| Final +/- | -10.6 |
| New Rating () | |
| Rating | 1210.2 |
| K-factor | 36 |
| Floor | 801.9 |
| Highest | 1547 (2023-07-01) |
| Min/Max +/- allowed | 101.1 |
Standard rating
| Rating | 1212.4 |
| K-factor | 36 |
| Floor | 821 |
| Highest | 1546.3 (2023-07-01) |
| Min/Max +/- allowed | 101.2 |
| Rating Change () | |
| Games | 5 |
| Score | 2.5 |
| We | 1.33 |
| SWe | -0.35 |
| Temp +/- | -12.7 |
| Penalties | 0 |
| Weight perform | 1220.5 |
| Final +/- | +8.2 |
| New Rating () | |
| Rating | 1220.5 |
| K-factor | 36 |
| Floor | 821 |
| Highest | 1546.3 (2023-07-01) |
| Min/Max +/- allowed | 101.2 |
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 |
| 1 | Gauteng Closed Chess Championships 2026 (U18 Girls) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1220.8 | 5 | 2.5 | 1411.1 | 0 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | West Rand Trials 2026 (U18) | Standard | 2026-09-05 | 2026-09-05 | West Rand (GWR) | 5 | 1261.7 | 4 | 0 | 983.6 | -40.9 | Details |
| 2 | 2026 D2 Schools Individuals (U18 Girls) | Standard | 2026-05-15 | 2026-05-16 | West Rand (GWR) | 5 | 1267.8 | 5 | 2.5 | 1239.9 | -6.1 | Details |
| 3 | West Rand Open 2026 (Rooks) | Standard | 2026-02-07 | 2026-02-07 | West Rand (GWR) | 5 | 1237.5 | 5 | 3 | 1462.4 | 15.1 | Details |
| 4 | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1246 | 5 | 2 | 1274.4 | 2 | Details |
| 5 | West Rand Trials 2025 (U16) | Standard | 2025-09-06 | 2025-09-06 | West Rand (GWR) | 5 | 1249.2 | 5 | 1.5 | 1094.8 | -14.4 | Details |
| 6 | 2025 D2 Schools League Finals (U15) | Standard | 2025-07-26 | 2025-07-26 | West Rand (GWR) | 5 | 1286.2 | 5 | 1 | 1002.4 | -27.1 | Details |
| 7 | West Rand Open 2.0 2025 (Rooks) | Standard | 2025-06-07 | 2025-06-07 | West Rand (GWR) | 5 | 1291.8 | 5 | 2 | 1253.3 | -3.2 | Details |
| 8 | 2025 D2 Schools Individuals (U15 Girls) | Standard | 2025-05-10 | 2025-05-10 | West Rand (GWR) | 5 | 1248.7 | 5 | 4 | 1486.5 | 23.9 | Details |
| 9 | 2025 West Rand Open (Rooks) | Standard | 2025-02-08 | 2025-02-08 | West Rand (GWR) | 5 | 1244.6 | 5 | 1 | 1102 | -13.3 | Details |
| 10 | 2024 West Rand Trials (U16) | Standard | 2024-09-07 | 2024-09-07 | West Rand (GWR) | 5 | 1257.4 | 5 | 1 | 910.8 | -33 | Details |
| 11 | Gauteng Schools Individuals Finals 2024 (U15 Girls) | Standard | 2024-08-17 | 2024-08-17 | Ekurhuleni (GE) | 5 | 1257.4 | 5 | 2 | 1078.2 | -16.6 | Details |
| 12 | D2 School League Finals 2024 (U15) | Standard | 2024-07-20 | 2024-07-20 | West Rand (GWR) | 5 | 1301 | 5 | 2 | 1059.2 | -24.2 | Details |
| 13 | 2024 D2 Schools Individuals (U15 Girls) | Standard | 2024-05-04 | 2024-05-04 | West Rand (GWR) | 5 | 1301.9 | 5 | 3 | 1290 | -0.5 | Details |
| 14 | D2 School League Finals 2023 (U13 Girls) | Standard | 2023-07-22 | 2023-07-22 | West Rand (GWR) | 5 | 1230.5 | 5 | 5 | 1629.1 | 39.7 | Details |
| 15 | D2 Schools Individuals 2023 (U13 Girls) | Standard | 2023-05-13 | 2023-05-13 | West Rand (GWR) | 5 | 1200 | 5 | 3 | 1382.5 | 17.1 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 3 |
| Black | 2 |
| White wins | 2 |
| Black wins | 0 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1411.1 |
| Performance | 1411.1 |
Game statistics ()
| Games | 19 |
| Wins | 7 |
| Draws | 2 |
| Losses | 10 |
| White | 10 |
| Black | 9 |
| White wins | 4 |
| Black wins | 3 |
| Score | 8 |
| Percent | 42.1 |
| Dp | -67.1 |
| AOR | 1356.7 |
| Performance | 1289.6 |
Game statistics (History)
| Games | 79 |
| Wins | 34 |
| Draws | 3 |
| Losses | 42 |
| White | 37 |
| Black | 42 |
| White wins | 16 |
| Black wins | 18 |
| Score | 35.5 |
| Percent | 44.9 |
| Dp | -43 |
| AOR | 1274.9 |
| Performance | 1231.9 |
Rankings (Main)
| National | |
| Overall | 10441 |
| Gender | 2173 |
| Age group | 1563 |
| Gender/Age | 329 |
| Provincial | |
| Overall | 3663 |
| Gender | 824 |
| Age group | 588 |
| Gender/Age | 135 |
| Regional | |
| Overall | 322 |
| Gender | 75 |
| Age group | 43 |
| Gender/Age | 12 |
Rankings (Standard)
| National | |
| Overall | 9055 |
| Gender | 2036 |
| Age group | 1386 |
| Gender/Age | 311 |
| Provincial | |
| Overall | 3268 |
| Gender | 789 |
| Age group | 543 |
| Gender/Age | 132 |
| Regional | |
| Overall | 333 |
| Gender | 79 |
| Age group | 44 |
| Gender/Age | 13 |
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 | 5 |
| Score | 2.5 |
| Percent | 50 |
| Aor | 1411.1 |
| Dp | 0 |
| Prat | 1411.1 |
Performance ()
| Games | 19 |
| Score | 8 |
| Percent | 42.1 |
| Aor | 1356.7 |
| Dp | -67.1 |
| Prat | 1289.6 |
Performance (12 months)
| Games | 19 |
| Score | 8 |
| Percent | 42.1 |
| Aor | 1356.7 |
| Dp | -67.1 |
| Prat | 1289.6 |
Performance (History)
| Games | 79 |
| Score | 35.5 |
| Percent | 44.9 |
| Aor | 1274.9 |
| Dp | -43 |
| Prat | 1231.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Msiza, A (Ayanda Ntsakiso) | 4 | 2 | 2 | 2025 D2 Schools League Finals (U15) | 2026 D2 Schools Individuals (U18 Girls) | Details |
| Overall | 2 | Mothupi, R (Reotshepile) | 2 | 1 | 1 | 2024 West Rand Trials (U16) | West Rand Trials 2026 (U18) | Details |
| Overall | 3 | Tshilambavhunwa, S (Sebabatso) | 2 | 1 | 1 | 2024 D2 Schools Individuals (U15 Girls) | 2025 D2 Schools Individuals (U15 Girls) | Details |
| Overall | 4 | Pretorius, C (Chanmari) | 2 | 1 | 1 | 2024 D2 Schools Individuals (U15 Girls) | West Rand Trials 2025 (U16) | Details |
| Overall | 5 | Miya, MT (Minentle Tshegofatso) | 2 | 1 | 1 | D2 Schools Individuals 2023 (U13 Girls) | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls) | Details |
| Standard | 1 | Msiza, A (Ayanda Ntsakiso) | 4 | 2 | 2 | 2025 D2 Schools League Finals (U15) | 2026 D2 Schools Individuals (U18 Girls) | Details |
| Standard | 2 | Tshilambavhunwa, S (Sebabatso) | 2 | 1 | 1 | 2024 D2 Schools Individuals (U15 Girls) | 2025 D2 Schools Individuals (U15 Girls) | Details |
| Standard | 3 | Pretorius, C (Chanmari) | 2 | 1 | 1 | 2024 D2 Schools Individuals (U15 Girls) | West Rand Trials 2025 (U16) | Details |
| Standard | 4 | Miya, MT (Minentle Tshegofatso) | 2 | 1 | 1 | D2 Schools Individuals 2023 (U13 Girls) | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls) | Details |
| Standard | 5 | Mothupi, R (Reotshepile) | 2 | 1 | 1 | 2024 West Rand Trials (U16) | West Rand Trials 2026 (U18) | Details |