PLAYER PAGE
Pieter Van Der Berg
1560115964Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1685.1 |
| K-factor | 28 |
| Floor | 1185.1 |
| Highest | 1685.1 (2026-04-01) |
| Min/Max +/- allowed | 83 |
| Rating Change () | |
| Games | 9 |
| Score | 5 |
| We | 5.91 |
| SWe | -0.91 |
| Temp +/- | -25.6 |
| Penalties | 0 |
| Weight perform | 1606.8 |
| Final +/- | -25.6 |
| New Rating () | |
| Rating | 1659.5 |
| K-factor | 28 |
| Floor | 1185.1 |
| Highest | 1685.1 (2026-04-01) |
| Min/Max +/- allowed | 83.1 |
Standard rating
| Rating | 1670.7 |
| K-factor | 28 |
| Floor | 1170.7 |
| Highest | 1670.7 (2026-04-01) |
| Min/Max +/- allowed | 84.8 |
| Rating Change () | |
| Games | 9 |
| Score | 5 |
| We | 5.87 |
| SWe | -0.87 |
| Temp +/- | -24.4 |
| Penalties | 0 |
| Weight perform | 1581.2 |
| Final +/- | -24.4 |
| New Rating () | |
| Rating | 1646.3 |
| K-factor | 28 |
| Floor | 1170.7 |
| Highest | 1670.7 (2026-04-01) |
| Min/Max +/- allowed | 84.8 |
Rapid rating
| Rating | 1604.8 |
| K-factor | 28 |
| Floor | 1117 |
| Highest | 1747.8 (2019-09-01) |
| Min/Max +/- allowed | 76 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1415.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1604.8 |
| K-factor | 28 |
| Floor | 1117 |
| Highest | 1747.8 (2019-09-01) |
| Min/Max +/- allowed | 76 |
Blitz rating
| Rating | 1445.8 |
| K-factor | 32 |
| Floor | 964.4 |
| Highest | 1464.4 (2025-11-01) |
| Min/Max +/- allowed | 113.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1445.8 |
| K-factor | 32 |
| Floor | 964.4 |
| Highest | 1464.4 (2025-11-01) |
| Min/Max +/- allowed | 113.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | South African Open Championship 2026 (Advanced) | Classical | 2026-06-28 | 2026-07-05 | Cape Town (WCT) | 9 | 1685.1 | 9 | 5 | 1593.3 | -25.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Randburg NY Swiss 2026 | Standard | 2026-02-10 | 2026-03-31 | Johannesburg Metro (GJM) | 8 | 1626.3 | 8 | 6 | 1873.3 | 58.8 | Details |
| 2 | Randburg Chess Club New Year Rapid 2026 | Rapid | 2026-01-27 | 2026-02-03 | Johannesburg Metro (GJM) | 6 | 1614.2 | 6 | 3.5 | 1784.7 | 7.9 | Details |
| 3 | Randburg Chess Club New Year Blitz 2026 | Blitz | 2026-01-20 | 2026-01-20 | Johannesburg Metro (GJM) | 7 | 1620.6 | 7 | 3 | 1507.9 | -4.5 | Details |
| 4 | Randburg Winter Swiss 2025 | Standard | 2025-07-29 | 2025-09-16 | Johannesburg Metro (GJM) | 8 | 1620.6 | 8 | 4 | 1548.1 | -12.6 | Details |
| 5 | Randburg Spring Blitz 2025 | Blitz | 2025-09-23 | 2025-09-23 | Johannesburg Metro (GJM) | 7 | 1620.6 | 7 | 5.5 | 1837.5 | 7.9 | Details |
| 6 | Randburg Chess Club Winter Rapid 2025 | Rapid | 2025-07-15 | 2025-07-22 | Johannesburg Metro (GJM) | 6 | 1637.5 | 6 | 3 | 1477.6 | -12.2 | Details |
| 7 | Randburg Chess Club New Year Swiss 2025 | Standard | 2025-02-11 | 2025-04-01 | Johannesburg Metro (GJM) | 8 | 1597.7 | 7 | 4.5 | 1760.9 | 25 | Details |
| 8 | Randburg Chess Club New Year Rapid 2025 | Rapid | 2025-01-28 | 2025-02-04 | Johannesburg Metro (GJM) | 6 | 1582.7 | 6 | 4 | 1718.8 | 9.3 | Details |
| 9 | Randburg New Year Blitz 2025 | Blitz | 2025-01-21 | 2025-01-21 | Johannesburg Metro (GJM) | 9 | 1581.9 | 9 | 5 | 1596.3 | 0.5 | Details |
| 10 | Randburg Chess Club Blitz Championship 2024 | Blitz | 2024-10-22 | 2024-10-22 | Johannesburg Metro (GJM) | 9 | 1585.4 | 9 | 5 | 1544.9 | -2.1 | Details |
| 11 | Randburg Chess Club Winter Swiss 2024 | Standard | 2024-06-11 | 2024-07-30 | Johannesburg Metro (GJM) | 7 | 1592.6 | 5 | 3 | 1557.3 | -4.5 | Details |
| 12 | Randburg Chess Club Championship 2024 | Standard | 2024-04-09 | 2024-05-21 | Johannesburg Metro (GJM) | 7 | 1596.2 | 6 | 3.5 | 1580.3 | -2.3 | Details |
| 13 | Randburg Chess Club New Year Swiss 2024 | Standard | 2024-02-06 | 2024-02-06 | Johannesburg Metro (GJM) | 7 | 1556.8 | 7 | 5 | 1720.9 | 24.6 | Details |
| 14 | Randburg New Year Rapid 2024 | Rapid | 2024-01-23 | 2024-01-30 | Johannesburg Metro (GJM) | 6 | 1540.2 | 6 | 4 | 1664.3 | 10.4 | Details |
| 15 | Randburg Club Championships Swiss 2023 | Standard | 2023-08-29 | 2023-10-10 | Johannesburg Metro (GJM) | 7 | 1542 | 7 | 3.5 | 1524.1 | -1.1 | Details |
| 16 | Randburg Winter Swiss 2023 | Standard | 2023-06-13 | 2023-07-25 | Johannesburg Metro (GJM) | 7 | 1476.7 | 7 | 5 | 1734.3 | 40.5 | Details |
| 17 | Randburg New Year Swiss 2023 | Standard | 2023-01-31 | 2023-03-14 | Johannesburg Metro (GJM) | 7 | 1446.6 | 6 | 4 | 1587.8 | 18.8 | Details |
| 18 | Randburg Chess Club Autum Swiss 2020 | Standard | 2020-02-04 | 2020-03-10 | Johannesburg Metro (GJM) | 6 | 1359.6 | 5 | 4 | 1807.4 | 48.4 | Details |
| 19 | Randburg Chess Club Winter Swiss 2019 | Standard | 2019-07-30 | 2019-09-03 | Johannesburg Metro (GJM) | 6 | 1274.1 | 5 | 2 | 1408.2 | 15.4 | Details |
| 20 | Randburg Chess Club Rapid Champs 2019 | Rapid | 2019-09-10 | 2019-09-17 | Johannesburg Metro (GJM) | 6 | 1274.1 | 6 | 4 | 1696.7 | 32.1 | Details |
| 21 | Randburg Club Champs 2019 | Standard | 2019-05-07 | 2019-06-18 | Johannesburg Metro (GJM) | 7 | 1200 | 7 | 4 | 1470.7 | 37 | 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 | 30 |
| Wins | 12 |
| Draws | 11 |
| Losses | 7 |
| White | 16 |
| Black | 14 |
| White wins | 8 |
| Black wins | 4 |
| Score | 17.5 |
| Percent | 58.3 |
| Dp | 70.8 |
| AOR | 1615.5 |
| Performance | 1686.3 |
Game statistics (History)
| Games | 149 |
| Wins | 75 |
| Draws | 31 |
| Losses | 43 |
| White | 75 |
| Black | 74 |
| White wins | 39 |
| Black wins | 36 |
| Score | 90.5 |
| Percent | 60.7 |
| Dp | 91.3 |
| AOR | 1545 |
| Performance | 1636.2 |
Rankings (Main)
| National | |
| Overall | 629 |
| Gender | 592 |
| Age group | 60 |
| Gender/Age | 60 |
| Provincial | |
| Overall | 222 |
| Gender | 208 |
| Age group | 19 |
| Gender/Age | 19 |
| Regional | |
| Overall | 92 |
| Gender | 84 |
| Age group | 6 |
| Gender/Age | 6 |
Rankings (Standard)
| National | |
| Overall | 646 |
| Gender | 605 |
| Age group | 58 |
| Gender/Age | 58 |
| Provincial | |
| Overall | 231 |
| Gender | 215 |
| Age group | 20 |
| Gender/Age | 20 |
| Regional | |
| Overall | 92 |
| Gender | 82 |
| Age group | 7 |
| Gender/Age | 7 |
Rankings (Rapid)
| National | |
| Overall | 163 |
| Gender | 159 |
| Age group | 20 |
| Gender/Age | 20 |
| Provincial | |
| Overall | 41 |
| Gender | 39 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 23 |
| Gender | 21 |
| Age group | 3 |
| Gender/Age | 3 |
Rankings (Blitz)
| National | |
| Overall | 186 |
| Gender | 181 |
| Age group | 26 |
| Gender/Age | 26 |
| Provincial | |
| Overall | 62 |
| Gender | 60 |
| Age group | 12 |
| Gender/Age | 12 |
| Regional | |
| Overall | 32 |
| Gender | 30 |
| Age group | 7 |
| Gender/Age | 7 |
Performance ( )
| Games | 9 |
| Score | 5 |
| Percent | 55.6 |
| Aor | 1546.1 |
| Dp | 47.2 |
| Prat | 1593.4 |
Performance ()
| Games | 30 |
| Score | 17.5 |
| Percent | 58.3 |
| Aor | 1615.5 |
| Dp | 70.8 |
| Prat | 1686.3 |
Performance (12 months)
| Games | 45 |
| Score | 27 |
| Percent | 60 |
| Aor | 1600.3 |
| Dp | 85 |
| Prat | 1685.3 |
Performance (History)
| Games | 149 |
| Score | 90.5 |
| Percent | 60.7 |
| Aor | 1545 |
| Dp | 91.3 |
| Prat | 1636.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Metcalfe, AR (Allister Richard) | 7 | 3 | 4 | Randburg Club Champs 2019 | Randburg NY Swiss 2026 | Details |
| Overall | 2 | Mendelsohn, DC (David Charles) | 6 | 0 | 6 | Randburg Winter Swiss 2023 | Randburg NY Swiss 2026 | Details |
| Overall | 3 | Mazibuko, K (Khanya) | 5 | 4 | 1 | Randburg Winter Swiss 2023 | Randburg Spring Blitz 2025 | Details |
| Overall | 4 | Martynov, A (Alexey) | 5 | 3 | 2 | Randburg New Year Rapid 2024 | Randburg Spring Blitz 2025 | Details |
| Overall | 5 | Jones, GTD (Graham Thomas Daffurn) | 5 | 3 | 2 | Randburg Club Champs 2019 | Randburg Chess Club Championship 2024 | Details |
| Standard | 1 | Mendelsohn, DC (David Charles) | 6 | 0 | 6 | Randburg Winter Swiss 2023 | Randburg NY Swiss 2026 | Details |
| Standard | 2 | Jones, GTD (Graham Thomas Daffurn) | 4 | 2 | 2 | Randburg Club Champs 2019 | Randburg Chess Club Championship 2024 | Details |
| Standard | 3 | Metcalfe, AR (Allister Richard) | 4 | 3 | 1 | Randburg Club Champs 2019 | Randburg NY Swiss 2026 | Details |
| Standard | 4 | Sparks, SJW (Stephen) | 3 | 0 | 3 | Randburg Chess Club Winter Swiss 2024 | Randburg Winter Swiss 2025 | Details |
| Standard | 5 | Essop, H (Haroon) | 3 | 1 | 2 | Randburg Club Champs 2019 | Randburg Winter Swiss 2025 | Details |
| Rapid | 1 | Mazibuko, K (Khanya) | 2 | 2 | 0 | Randburg New Year Rapid 2024 | Randburg Chess Club New Year Rapid 2025 | Details |
| Rapid | 2 | Tak, A (Abeer) | 2 | 1 | 1 | Randburg Chess Club Winter Rapid 2025 | Randburg Chess Club New Year Rapid 2026 | Details |
| Rapid | 3 | Metcalfe, AR (Allister Richard) | 2 | 0 | 2 | Randburg Chess Club Rapid Champs 2019 | Randburg New Year Rapid 2024 | Details |
| Rapid | 4 | Mungal, Z (Zoey) | 2 | 1 | 1 | Randburg New Year Rapid 2024 | Randburg Chess Club Winter Rapid 2025 | Details |
| Blitz | 1 | Molo, S (Sibo) | 3 | 1 | 2 | Randburg Chess Club Blitz Championship 2024 | Randburg Spring Blitz 2025 | Details |
| Blitz | 2 | Mazibuko, K (Khanya) | 2 | 1 | 1 | Randburg Chess Club Blitz Championship 2024 | Randburg Spring Blitz 2025 | Details |
| Blitz | 3 | Martynov, A (Alexey) | 2 | 1 | 1 | Randburg Chess Club Blitz Championship 2024 | Randburg Spring Blitz 2025 | Details |