PLAYER PAGE
Caleb Samuel Ackermann
1170303139West Rand (GWR)Personal
Main rating
| Rating | 1605.9 |
| K-factor | 28 |
| Floor | 1105.9 |
| Highest | 1605.9 (2026-10-01) |
| Min/Max +/- allowed | 93 |
| Rating Change () | |
| Games | 10 |
| Score | 8 |
| We | 7.71 |
| SWe | -0.2 |
| Temp +/- | -5.5 |
| Penalties | 0 |
| Weight perform | 1577.8 |
| Final +/- | -5.5 |
| New Rating () | |
| Rating | 1600.4 |
| K-factor | 28 |
| Floor | 1105.9 |
| Highest | 1605.9 (2026-10-01) |
| Min/Max +/- allowed | 93 |
Standard rating
| Rating | 1605.9 |
| K-factor | 28 |
| Floor | 1105.9 |
| Highest | 1605.9 (2026-10-01) |
| Min/Max +/- allowed | 93 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.54 |
| SWe | -0.54 |
| Temp +/- | -15.1 |
| Penalties | 0 |
| Weight perform | 1586.5 |
| Final +/- | -15.1 |
| New Rating () | |
| Rating | 1590.7 |
| K-factor | 28 |
| Floor | 1105.9 |
| Highest | 1605.9 (2026-10-01) |
| Min/Max +/- allowed | 93 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-06-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 5 |
| We | 3.05 |
| SWe | 0.52 |
| Temp +/- | 18.8 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | +18.8 |
| New Rating () | |
| Rating | 1218.8 |
| K-factor | 36 |
| Floor | 718.8 |
| Highest | 1218.8 (2026-10-01) |
| Min/Max +/- allowed | 161.4 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-06-01) |
| 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 (2024-06-01) |
| 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 (U10 Open) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1605.9 | 5 | 3 | 1528.7 | -9.4 | Details |
| 2 | Gauteng Top Schools Teams 2026 (U9) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1605.9 | 5 | 5 | 1658.6 | 3.8 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | West Rand Trials 2026 (U10) | Standard | 2026-09-05 | 2026-09-05 | West Rand (GWR) | 5 | 1551.2 | 5 | 5 | 1707.1 | 25.9 | Details |
| 2 | 2026 D2 Schools League Finals (U9) | Standard | 2026-08-15 | 2026-08-15 | West Rand (GWR) | 5 | 1551.2 | 5 | 5 | 1684 | 37 | Details |
| 3 | West Rand Womens Day Open 2026 (U10) | Standard | 2026-08-08 | 2026-08-08 | West Rand (GWR) | 5 | 1551.2 | 5 | 3 | 1407.7 | -6.3 | Details |
| 4 | Eureka Open 01 August 2026 (F) | Standard | 2026-08-01 | 2026-08-01 | Sedibeng (GSV) | 5 | 1551.2 | 5 | 5 | 1795.6 | 56.4 | Details |
| 5 | 2026 West Rand Open 2.0 (U10) | Standard | 2026-06-06 | 2026-06-06 | West Rand (GWR) | 5 | 1466.9 | 5 | 2.5 | 1314.8 | -24.6 | Details |
| 6 | 2026 D2 Schools Individuals (U9 Boys) | Standard | 2026-05-15 | 2026-05-16 | West Rand (GWR) | 5 | 1451.9 | 5 | 4 | 1441 | -0.2 | Details |
| 7 | West Rand goes to Monnas 2026 (U10) | Standard | 2026-05-02 | 2026-05-02 | West Rand (GWR) | 5 | 1451.9 | 5 | 4 | 1488.4 | 5 | Details |
| 8 | FIDE in the West 2026 (U10) | Standard | 2026-04-11 | 2026-04-11 | West Rand (GWR) | 5 | 1404.1 | 5 | 4 | 1562 | 26.7 | Details |
| 9 | West Rand Juniors 2026 (U10) | Standard | 2026-03-07 | 2026-03-07 | West Rand (GWR) | 5 | 1360.7 | 5 | 4 | 1505.1 | 26.8 | Details |
| 10 | West Rand Open 2026 (U10) | Standard | 2026-02-07 | 2026-02-07 | West Rand (GWR) | 5 | 1349 | 5 | 3 | 1410.1 | 4.4 | Details |
| 11 | 2025 Gauteng Top Schools Teams (U9) | Standard | 2025-08-29 | 2025-08-29 | Tshwane (GTP) | 5 | 1344.9 | 5 | 3.5 | 1374 | 2.2 | Details |
| 12 | 2025 D2 Schools League Finals (U9) | Standard | 2025-07-26 | 2025-07-26 | West Rand (GWR) | 5 | 1311.8 | 5 | 4 | 1492.2 | 18.4 | Details |
| 13 | 2025 D2 Schools Individuals (U9 Open) | Standard | 2025-05-09 | 2025-05-09 | West Rand (GWR) | 5 | 1270.5 | 5 | 4 | 1497.9 | 22.9 | Details |
| 14 | D2 School League Finals 2024 (U9) | Standard | 2024-07-20 | 2024-07-20 | West Rand (GWR) | 5 | 1223.9 | 5 | 4 | 1480.8 | 25.9 | Details |
| 15 | 2024 D2 Schools Individuals (U9) | Standard | 2024-05-04 | 2024-05-04 | West Rand (GWR) | 5 | 1200 | 5 | 3 | 1317 | 12 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 3 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1443.7 |
| Performance | 1528.7 |
Game statistics ()
| Games | 60 |
| Wins | 47 |
| Draws | 1 |
| Losses | 12 |
| White | 30 |
| Black | 30 |
| White wins | 22 |
| Black wins | 25 |
| Score | 47.5 |
| Percent | 79.2 |
| Dp | 247.9 |
| AOR | 1294 |
| Performance | 1541.9 |
Game statistics (History)
| Games | 85 |
| Wins | 65 |
| Draws | 2 |
| Losses | 18 |
| White | 41 |
| Black | 44 |
| White wins | 29 |
| Black wins | 36 |
| Score | 66 |
| Percent | 77.6 |
| Dp | 235 |
| AOR | 1274.7 |
| Performance | 1509.7 |
Rankings (Main)
| National | |
| Overall | 1047 |
| Gender | 966 |
| Age group | 29 |
| Gender/Age | 27 |
| Provincial | |
| Overall | 387 |
| Gender | 355 |
| Age group | 13 |
| Gender/Age | 11 |
| Regional | |
| Overall | 13 |
| Gender | 12 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 946 |
| Gender | 870 |
| Age group | 30 |
| Gender/Age | 28 |
| Provincial | |
| Overall | 367 |
| Gender | 337 |
| Age group | 14 |
| Gender/Age | 12 |
| Regional | |
| Overall | 14 |
| Gender | 13 |
| Age group | 1 |
| 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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1443.7 |
| Dp | 85 |
| Prat | 1528.7 |
Performance ()
| Games | 60 |
| Score | 47.5 |
| Percent | 79.2 |
| Aor | 1294 |
| Dp | 247.9 |
| Prat | 1541.9 |
Performance (12 months)
| Games | 60 |
| Score | 47.5 |
| Percent | 79.2 |
| Aor | 1294 |
| Dp | 247.9 |
| Prat | 1541.9 |
Performance (History)
| Games | 85 |
| Score | 66 |
| Percent | 77.6 |
| Aor | 1274.7 |
| Dp | 235 |
| Prat | 1509.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Nduma, U (Unathi) | 3 | 2 | 1 | FIDE in the West 2026 (U10) | 2026 D2 Schools League Finals (U9) | Details |
| Overall | 2 | Molebatsi, R (Reletlhogonolo) | 3 | 2 | 1 | West Rand Open 2026 (U10) | West Rand Womens Day Open 2026 (U10) | Details |
| Overall | 3 | Abdul, MA (Muhammed Ayaan) | 3 | 1 | 2 | FIDE in the West 2026 (U10) | Eureka Open 01 August 2026 (F) | Details |
| Overall | 4 | Dreyer, K (Karli) | 2 | 0 | 2 | West Rand Open 2026 (U10) | West Rand Trials 2026 (U10) | Details |
| Overall | 5 | Van Der Merwe, J (Jayden) | 2 | 1 | 1 | 2024 D2 Schools Individuals (U9) | 2025 D2 Schools Individuals (U9 Open) | Details |
| Standard | 1 | Molebatsi, R (Reletlhogonolo) | 3 | 2 | 1 | West Rand Open 2026 (U10) | West Rand Womens Day Open 2026 (U10) | Details |
| Standard | 2 | Abdul, MA (Muhammed Ayaan) | 3 | 1 | 2 | FIDE in the West 2026 (U10) | Eureka Open 01 August 2026 (F) | Details |
| Standard | 3 | Nduma, U (Unathi) | 3 | 2 | 1 | FIDE in the West 2026 (U10) | 2026 D2 Schools League Finals (U9) | Details |
| Standard | 4 | Pretorius, B (Bertus) | 2 | 1 | 1 | 2026 West Rand Open 2.0 (U10) | West Rand Trials 2026 (U10) | Details |
| Standard | 5 | du Toit, A (Anroux) | 2 | 0 | 2 | West Rand Womens Day Open 2026 (U10) | West Rand Trials 2026 (U10) | Details |