PLAYER PAGE
Hendrik Johannes Weideman
186042532Mangaung (FMB)Personal
Main rating
| Rating | 1635.8 |
| K-factor | 28 |
| Floor | 1135.8 |
| Highest | 1635.8 (2026-03-01) |
| Min/Max +/- allowed | 89 |
| Rating Change () | |
| Games | 10 |
| Score | 7 |
| We | 5.58 |
| SWe | 1.18 |
| Temp +/- | 33 |
| Penalties | 0 |
| Weight perform | 1702.9 |
| Final +/- | +67.1 |
| New Rating () | |
| Rating | 1702.9 |
| K-factor | 28 |
| Floor | 1202.9 |
| Highest | 1702.9 (2026-04-01) |
| Min/Max +/- allowed | 81 |
Standard rating
| Rating | 1627.5 |
| K-factor | 28 |
| Floor | 1127.5 |
| Highest | 1627.5 (2026-03-01) |
| Min/Max +/- allowed | 90.2 |
| Rating Change () | |
| Games | 10 |
| Score | 7 |
| We | 5.49 |
| SWe | 1.51 |
| Temp +/- | 42.4 |
| Penalties | 0 |
| Weight perform | 1702.9 |
| Final +/- | +75.4 |
| New Rating () | |
| Rating | 1702.9 |
| K-factor | 28 |
| Floor | 1202.9 |
| Highest | 1702.9 (2026-04-01) |
| Min/Max +/- allowed | 81 |
Rapid rating
| Rating | 1389.5 |
| K-factor | 36 |
| Floor | 893 |
| Highest | 1393 (2018-12-01) |
| Min/Max +/- allowed | 126 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1389.5 |
| K-factor | 36 |
| Floor | 893 |
| Highest | 1393 (2018-12-01) |
| Min/Max +/- allowed | 126 |
Blitz rating
| Rating | 1392.9 |
| K-factor | 36 |
| Floor | 893 |
| Highest | 1393 (2018-12-01) |
| Min/Max +/- allowed | 126 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1392.9 |
| K-factor | 36 |
| Floor | 893 |
| Highest | 1393 (2018-12-01) |
| Min/Max +/- allowed | 126 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 KSNG Open Chess Tournament (B) | Standard | 2026-04-18 | 2026-04-18 | Tshwane (GTP) | 5 | 1635.8 | 5 | 3 | 1643.9 | 2.2 | Details |
| 2 | 2026 Mid Gauteng Open (B) | Standard | 2026-04-11 | 2026-04-11 | Tshwane (GTP) | 5 | 1635.8 | 5 | 4 | 1853.5 | 30.8 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Chris Greyling Open Tournament (B) | Standard | 2026-03-14 | 2026-03-14 | Tshwane (GTP) | 5 | 1532.5 | 5 | 3 | 1649.4 | 17.1 | Details |
| 2 | 2026 Silver Lakes Open Chess Tournament (B) | Standard | 2026-03-07 | 2026-03-07 | Tshwane (GTP) | 5 | 1532.5 | 5 | 3 | 1690.4 | 25.7 | Details |
| 3 | 2026 AHS Chess Tournament (B) | Standard | 2026-02-28 | 2026-02-28 | Tshwane (GTP) | 5 | 1532.5 | 5 | 3.5 | 1754.2 | 35.7 | Details |
| 4 | 2025 Mzansi Individual Championships (Adult) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1507.1 | 6 | 3.5 | 1554.2 | 6.6 | Details |
| 5 | 2025 Mzansi Inter Provincial Team Championships (Adults) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1507.1 | 6 | 3.5 | 1585.9 | 9.3 | Details |
| 6 | Free State Closed 2025 (Adult Open) | Standard | 2025-08-14 | 2025-08-15 | Mangaung (FMB) | 5 | 1506.1 | 4 | 2 | 1512.6 | 0.6 | Details |
| 7 | 2025 Wynie Robbertse Chess Tournament (B) | Standard | 2025-07-19 | 2025-07-19 | Tshwane (GTP) | 5 | 1501.5 | 4 | 2 | 1562.1 | 4.6 | Details |
| 8 | South African Open 2025 (B) | Classical | 2025-06-28 | 2025-07-05 | Johannesburg Metro (GJM) | 11 | 1501.5 | 11 | 5.5 | 1441.8 | -14.4 | Details |
| 9 | South African Open 2025 (Blitz) | Blitz | 2025-07-02 | 2025-07-02 | Johannesburg Metro (GJM) | 9 | 1501.5 | 9 | 5 | 1648.4 | 4.5 | Details |
| 10 | 2025 Elise Steenkamp Open Chess Tournament (Queen) | Standard | 2025-06-14 | 2025-06-16 | Tshwane (GTP) | 7 | 1419.5 | 7 | 5 | 1678.7 | 40.7 | Details |
| 11 | Mangaung Metro Chess 9-10 May 2025 (A) | Standard | 2025-05-09 | 2025-05-10 | Mangaung (FMB) | 5 | 1404.4 | 5 | 2.5 | 1433.8 | 2.2 | Details |
| 12 | 2025 Silver Lakes Chess Club Open Chess Tournament (C) | Standard | 2025-05-03 | 2025-05-03 | Tshwane (GTP) | 5 | 1404.4 | 5 | 3.5 | 1484.9 | 7.3 | Details |
| 13 | 2025 Chris Greyling Open Chess Tournament (C) | Standard | 2025-03-15 | 2025-03-15 | Tshwane (GTP) | 5 | 1386.5 | 5 | 2.5 | 1452.2 | 5.6 | Details |
| 14 | AHS Open Chess Tournament 2025 (C) | Standard | 2025-03-01 | 2025-03-01 | Tshwane (GTP) | 5 | 1386.5 | 5 | 2.5 | 1437.9 | 4.3 | Details |
| 15 | 2025 KSNG Open (C) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1390.7 | 5 | 1.5 | 1247.1 | -14.8 | Details |
| 16 | 2025 Blou Bul Open Chess Tournament (C) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 1390.7 | 5 | 3 | 1511.4 | 12.4 | Details |
| 17 | Mangaung Metro Chess 25 January 2025 (A) | Rapid | 2025-01-25 | 2025-01-25 | Mangaung (FMB) | 5 | 1382.3 | 4 | 1.5 | 1465.8 | 4.6 | Details |
| 18 | Morris Club Championship 2022 | Rapid | 2022-02-26 | 2022-02-26 | Mangaung (FMB) | 5 | 1393 | 4 | 2 | 1292.3 | -5.9 | Details |
| 19 | Morris Club Challenge 2013 | Standard | 2013-05-01 | 2013-05-01 | Free State (FS) | 5 | 1393 | 4 | 1 | 1312 | -6.3 | Details |
| 20 | Uj Dept. Of Acc. Chess Championship - B Section | Standard | 2010-08-31 | 2010-08-31 | Mid-Gauteng (GM) | 7 | 1346 | 7 | 5.5 | 1571 | 32.5 | Details |
Game statistics ( )
| Games | 10 |
| Wins | 6 |
| Draws | 2 |
| Losses | 2 |
| White | 4 |
| Black | 6 |
| White wins | 3 |
| Black wins | 3 |
| Score | 7 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1578.7 |
| Performance | 1748.7 |
Game statistics ()
| Games | 25 |
| Wins | 15 |
| Draws | 3 |
| Losses | 7 |
| White | 11 |
| Black | 14 |
| White wins | 8 |
| Black wins | 7 |
| Score | 16.5 |
| Percent | 66 |
| Dp | 136 |
| AOR | 1582.3 |
| Performance | 1718.3 |
Game statistics (History)
| Games | 110 |
| Wins | 51 |
| Draws | 22 |
| Losses | 37 |
| White | 55 |
| Black | 55 |
| White wins | 29 |
| Black wins | 22 |
| Score | 62 |
| Percent | 56.4 |
| Dp | 54.1 |
| AOR | 1495.1 |
| Performance | 1549.2 |
Rankings (Main)
| National | |
| Overall | 798 |
| Gender | 742 |
| Age group | 404 |
| Gender/Age | 387 |
| Provincial | |
| Overall | 19 |
| Gender | 19 |
| Age group | 14 |
| Gender/Age | 14 |
| Regional | |
| Overall | 11 |
| Gender | 11 |
| Age group | 8 |
| Gender/Age | 8 |
Rankings (Standard)
| National | |
| Overall | 786 |
| Gender | 724 |
| Age group | 383 |
| Gender/Age | 365 |
| Provincial | |
| Overall | 17 |
| Gender | 17 |
| Age group | 12 |
| Gender/Age | 12 |
| Regional | |
| Overall | 9 |
| Gender | 9 |
| Age group | 6 |
| Gender/Age | 6 |
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 | 10 |
| Score | 7 |
| Percent | 70 |
| Aor | 1578.7 |
| Dp | 170 |
| Prat | 1748.7 |
Performance ()
| Games | 25 |
| Score | 16.5 |
| Percent | 66 |
| Aor | 1582.3 |
| Dp | 136 |
| Prat | 1718.3 |
Performance (12 months)
| Games | 82 |
| Score | 49 |
| Percent | 59.8 |
| Aor | 1516.3 |
| Dp | 82.9 |
| Prat | 1599.2 |
Performance (History)
| Games | 110 |
| Score | 62 |
| Percent | 56.4 |
| Aor | 1495.1 |
| Dp | 54.1 |
| Prat | 1549.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Kgotse, T (Thoriso) | 4 | 1 | 3 | 2025 Blou Bul Open Chess Tournament (C) | 2026 Silver Lakes Open Chess Tournament (B) | Details |
| Overall | 2 | Strauss, L (Luné) | 2 | 2 | 0 | 2026 AHS Chess Tournament (B) | 2026 Chris Greyling Open Tournament (B) | Details |
| Overall | 3 | Kamolane, T (Thapelo) | 2 | 2 | 0 | Mangaung Metro Chess 9-10 May 2025 (A) | Free State Closed 2025 (Adult Open) | Details |
| Overall | 4 | Baloyi, B (Boikanyo) | 2 | 2 | 0 | 2025 KSNG Open (C) | 2025 Wynie Robbertse Chess Tournament (B) | Details |
| Overall | 5 | Ramonyai, M (Motshabo) | 2 | 1 | 1 | South African Open 2025 (Blitz) | 2026 Silver Lakes Open Chess Tournament (B) | Details |
| Standard | 1 | Kgotse, T (Thoriso) | 4 | 1 | 3 | 2025 Blou Bul Open Chess Tournament (C) | 2026 Silver Lakes Open Chess Tournament (B) | Details |
| Standard | 2 | Strauss, L (Luné) | 2 | 2 | 0 | 2026 AHS Chess Tournament (B) | 2026 Chris Greyling Open Tournament (B) | Details |
| Standard | 3 | Difotso, T (Tshegofatso) | 2 | 0 | 2 | 2025 Mzansi Inter Provincial Team Championships (Adults) | 2025 Mzansi Individual Championships (Adult) | Details |
| Standard | 4 | Kamolane, T (Thapelo) | 2 | 2 | 0 | Mangaung Metro Chess 9-10 May 2025 (A) | Free State Closed 2025 (Adult Open) | Details |
| Standard | 5 | Baloyi, B (Boikanyo) | 2 | 2 | 0 | 2025 KSNG Open (C) | 2025 Wynie Robbertse Chess Tournament (B) | Details |