PLAYER PAGE
Wilhelm Petzer
1140135771Tshwane (GTP)Personal
Main rating
| Rating | 1221.5 |
| K-factor | 36 |
| Floor | 726.4 |
| Highest | 1302 (2021-10-01) |
| Min/Max +/- allowed | 143 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1118.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1221.5 |
| K-factor | 36 |
| Floor | 726.4 |
| Highest | 1302 (2021-10-01) |
| Min/Max +/- allowed | 143.4 |
Standard rating
| Rating | 1218.3 |
| K-factor | 36 |
| Floor | 730 |
| Highest | 1302.5 (2021-10-01) |
| Min/Max +/- allowed | 143.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1118.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1218.3 |
| K-factor | 36 |
| Floor | 730 |
| Highest | 1302.5 (2021-10-01) |
| Min/Max +/- allowed | 143.3 |
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 Piet Robbertse Open Chess Tournament (D) | Standard | 2026-02-07 | 2026-02-08 | Tshwane (GTP) | 5 | 1181.6 | 5 | 3 | 1376.2 | 0 | Details |
| 2 | 2025 KSNG Open (D) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1183.6 | 4 | 1 | 992.9 | 0 | Details |
| 3 | 2025 Piet Robbertse Fide Rated Open Chess Tournament (D) | Standard | 2025-02-01 | 2025-02-02 | Tshwane (GTP) | 5 | 1183.6 | 5 | 2 | 1199.2 | 0 | Details |
| 4 | 2025 Tshwane Chess OPEN Registration Tournament (C) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1170.5 | 5 | 2.5 | 1189.7 | 0 | Details |
| 5 | Lardies Ope 2024 (C) | Standard | 2024-10-26 | 2024-10-26 | Tshwane (GTP) | 5 | 1155.6 | 5 | 3 | 1234.3 | 0 | Details |
| 6 | 2024 Milos Ristic Open Chess Tournament (B) | Standard | 2024-04-27 | 2024-04-27 | Tshwane (GTP) | 5 | 1213.6 | 4 | 0 | 819.2 | 0 | Details |
| 7 | 2024 Wynie Robbertse Chess Tournament (D2) | Standard | 2024-03-02 | 2024-03-02 | Tshwane (GTP) | 5 | 1226.4 | 5 | 2 | 1161 | 0 | Details |
| 8 | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | Standard | 2023-02-18 | 2023-02-18 | Tshwane (GTP) | 5 | 1218.9 | 5 | 3 | 1268.6 | 0 | Details |
| 9 | 2021 Lardies Ope (F) | Standard | 2021-10-30 | 2021-10-30 | Tshwane (GTP) | 5 | 1200 | 5 | 3 | 1289.2 | 0 | 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 | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 2 |
| Black wins | 1 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1291.2 |
| Performance | 1376.2 |
Game statistics (History)
| Games | 43 |
| Wins | 19 |
| Draws | 1 |
| Losses | 23 |
| White | 22 |
| Black | 21 |
| White wins | 10 |
| Black wins | 9 |
| Score | 19.5 |
| Percent | 45.3 |
| Dp | -39.5 |
| AOR | 1221.8 |
| Performance | 1182.3 |
Rankings (Main)
| National | |
| Overall | 10536 |
| Gender | 8427 |
| Age group | 1788 |
| Gender/Age | 1308 |
| Provincial | |
| Overall | 3541 |
| Gender | 2806 |
| Age group | 612 |
| Gender/Age | 448 |
| Regional | |
| Overall | 1115 |
| Gender | 888 |
| Age group | 194 |
| Gender/Age | 143 |
Rankings (Standard)
| National | |
| Overall | 8843 |
| Gender | 6970 |
| Age group | 1518 |
| Gender/Age | 1091 |
| Provincial | |
| Overall | 3164 |
| Gender | 2469 |
| Age group | 570 |
| Gender/Age | 409 |
| Regional | |
| Overall | 1112 |
| Gender | 875 |
| Age group | 205 |
| Gender/Age | 148 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1291.2 |
| Dp | 85 |
| Prat | 1376.2 |
Performance (12 months)
| Games | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1291.2 |
| Dp | 85 |
| Prat | 1376.2 |
Performance (History)
| Games | 43 |
| Score | 19.5 |
| Percent | 45.3 |
| Aor | 1221.8 |
| Dp | -39.5 |
| Prat | 1182.3 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Erwee, HP (Hermanus Philipus) | 2 | 2 | 0 | 2024 Wynie Robbertse Chess Tournament (D2) | 2026 Piet Robbertse Open Chess Tournament (D) | Details |
| Overall | 2 | Van Der Merwe, A (Aiden Joshua) | 2 | 2 | 0 | 2021 Lardies Ope (F) | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | Details |
| Overall | 3 | Mamphweli, T (Tshedza) | 2 | 0 | 2 | 2024 Wynie Robbertse Chess Tournament (D2) | 2026 Piet Robbertse Open Chess Tournament (D) | Details |
| Standard | 1 | Erwee, HP (Hermanus Philipus) | 2 | 2 | 0 | 2024 Wynie Robbertse Chess Tournament (D2) | 2026 Piet Robbertse Open Chess Tournament (D) | Details |
| Standard | 2 | Van Der Merwe, A (Aiden Joshua) | 2 | 2 | 0 | 2021 Lardies Ope (F) | Laerskool Constantiapark Open Chess Tournament 2023 (U10) | Details |
| Standard | 3 | Mamphweli, T (Tshedza) | 2 | 0 | 2 | 2024 Wynie Robbertse Chess Tournament (D2) | 2026 Piet Robbertse Open Chess Tournament (D) | Details |
