PLAYER PAGE
Percian Koopman
2150143112West Coast (WCU)Personal
Main rating
| Rating | 1216.6 |
| K-factor | 36 |
| Floor | 754.7 |
| Highest | 1346.5 (2022-06-01) |
| Min/Max +/- allowed | 135 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1058.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1216.6 |
| K-factor | 36 |
| Floor | 754.7 |
| Highest | 1346.5 (2022-06-01) |
| Min/Max +/- allowed | 134.6 |
Standard rating
| Rating | 1198.4 |
| K-factor | 36 |
| Floor | 719.2 |
| Highest | 1219.2 (2024-12-01) |
| Min/Max +/- allowed | 161.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1048.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1198.4 |
| K-factor | 36 |
| Floor | 719.2 |
| Highest | 1219.2 (2024-12-01) |
| Min/Max +/- allowed | 161.3 |
Rapid rating
| Rating | 1261.5 |
| K-factor | 36 |
| Floor | 782.5 |
| Highest | 1417.3 (2022-06-01) |
| Min/Max +/- allowed | 121.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1084.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1261.5 |
| K-factor | 36 |
| Floor | 782.5 |
| Highest | 1417.3 (2022-06-01) |
| Min/Max +/- allowed | 121.7 |
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 | Upper West Coast Schools Prestige Individuals Championship 2026 (U11 Girls) | Rapid | 2026-02-14 | 2026-02-14 | West Coast (WCU) | 5 | 1218.5 | 5 | 2.5 | 1225.3 | 0 | Details |
| 2 | Western Cape Schools - Top Schools 2025 (U11 Girls) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1227 | 6 | 1 | 1072.8 | 0 | Details |
| 3 | Upper West Coast Top Schools 2025 (U11) | Rapid | 2025-06-14 | 2025-06-14 | West Coast (WCU) | 5 | 1240.3 | 5 | 1 | 1036.5 | 0 | Details |
| 4 | Upper West Coast Presrige 2025 (U11Girls) | Rapid | 2025-02-22 | 2025-02-22 | West Coast (WCU) | 5 | 1254.7 | 5 | 2 | 1135 | 0 | Details |
| 5 | PR Booyse Standard Tournament 024 (Development) | Standard | 2024-11-02 | 2024-11-02 | West Coast (WCU) | 5 | 1193.4 | 5 | 4 | 1536.4 | 0 | Details |
| 6 | Western Cape Top Schools Championship 2024 (U9 Girls) | Standard | 2024-08-30 | 2024-09-01 | Eden (WEG) | 6 | 1239.1 | 5 | 1 | 972.9 | 0 | Details |
| 7 | Pedro Booyse Top Schools Championships 2024 (U7+U9) | Rapid | 2024-07-20 | 2024-07-20 | West Coast (WCU) | 7 | 1208 | 7 | 5 | 1378.5 | 0 | Details |
| 8 | Pedro Booyse Annual Rapid 2024 (Development) | Rapid | 2024-07-06 | 2024-07-06 | West Coast (WCU) | 5 | 1215.3 | 5 | 2.5 | 1165.1 | 0 | Details |
| 9 | Western Cape PS Individuals Championship 2024 (U9 Girls) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1203.6 | 6 | 3 | 1260.5 | 0 | Details |
| 10 | West Coast Schools Chess Prestige Championships 2024 (U9 Girls) | Rapid | 2024-03-09 | 2024-03-09 | West Coast (WCU) | 5 | 1195 | 5 | 3 | 1269.7 | 0 | Details |
| 11 | Bo-Weskus Skole Prestige 2024 (O9 Dogters) | Rapid | 2024-02-10 | 2024-02-10 | West Coast (WCU) | 5 | 1172.1 | 5 | 3.5 | 1345.3 | 0 | Details |
| 12 | Western Cape Top Schools 2023 (U9 Girls) | Standard | 2023-09-02 | 2023-09-03 | Cape Winelands (WCW) | 5 | 1197.2 | 4 | 1 | 1019.7 | 0 | Details |
| 13 | West Coast Open 2023 (Development A) | Rapid | 2023-05-20 | 2023-06-03 | West Coast (WCU) | 5 | 1207.4 | 5 | 2 | 1135.8 | 0 | Details |
| 14 | Upper West Coast Top Schools Championship 2023 (U7-U11) | Rapid | 2023-06-10 | 2023-06-10 | West Coast (WCU) | 5 | 1207.4 | 4 | 2 | 1190.6 | 0 | Details |
| 15 | West Coast Schools Development Championships 2023 (U7 Open+U9 Girls) | Rapid | 2023-04-22 | 2023-04-22 | West Coast (WCU) | 5 | 1195.3 | 5 | 3 | 1281.4 | 0 | Details |
| 16 | PRBCC Closed 2023 (C) | Rapid | 2023-04-15 | 2023-04-15 | West Coast (WCU) | 6 | 1195.3 | 6 | 3 | 1207.8 | 0 | Details |
| 17 | Bo-Weskus Skole Prestige 2023 (O9 Dogters) | Rapid | 2023-03-04 | 2023-03-04 | West Coast (WCU) | 5 | 1183.2 | 5 | 3 | 1271 | 0 | Details |
| 18 | West Coast Schools Chess Grand Challenge 2022 (PS Development) | Rapid | 2022-10-29 | 2022-10-29 | West Coast (WCU) | 5 | 1218.8 | 5 | 1 | 943.1 | 0 | Details |
| 19 | Bo-Weskus Top Skole 2022 (O7) | Rapid | 2022-06-11 | 2022-06-11 | West Coast (WCU) | 6 | 1200 | 4 | 3 | 1412.5 | 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 | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 2 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1225.3 |
| Performance | 1225.3 |
Game statistics (History)
| Games | 97 |
| Wins | 44 |
| Draws | 5 |
| Losses | 48 |
| White | 46 |
| Black | 51 |
| White wins | 23 |
| Black wins | 21 |
| Score | 46.5 |
| Percent | 47.9 |
| Dp | -17.5 |
| AOR | 1223.5 |
| Performance | 1205.9 |
Rankings (Main)
| National | |
| Overall | 10987 |
| Gender | 2236 |
| Age group | 1281 |
| Gender/Age | 307 |
| Provincial | |
| Overall | 3139 |
| Gender | 726 |
| Age group | 413 |
| Gender/Age | 118 |
| Regional | |
| Overall | 346 |
| Gender | 92 |
| Age group | 50 |
| Gender/Age | 22 |
Rankings (Standard)
| National | |
| Overall | 10405 |
| Gender | 2341 |
| Age group | 1320 |
| Gender/Age | 339 |
| Provincial | |
| Overall | 2984 |
| Gender | 781 |
| Age group | 426 |
| Gender/Age | 139 |
| Regional | |
| Overall | 218 |
| Gender | 69 |
| Age group | 30 |
| Gender/Age | 16 |
Rankings (Rapid)
| National | |
| Overall | 2701 |
| Gender | 519 |
| Age group | 340 |
| Gender/Age | 74 |
| Provincial | |
| Overall | 1129 |
| Gender | 236 |
| Age group | 150 |
| Gender/Age | 41 |
| Regional | |
| Overall | 240 |
| Gender | 70 |
| Age group | 38 |
| Gender/Age | 16 |
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 | 2.5 |
| Percent | 50 |
| Aor | 1225.3 |
| Dp | 0 |
| Prat | 1225.3 |
Performance (12 months)
| Games | 16 |
| Score | 4.5 |
| Percent | 28.1 |
| Aor | 1295.1 |
| Dp | -185.9 |
| Prat | 1109.1 |
Performance (History)
| Games | 97 |
| Score | 46.5 |
| Percent | 47.9 |
| Aor | 1223.5 |
| Dp | -17.5 |
| Prat | 1205.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Tieties, N (Nicola) | 6 | 2 | 4 | PRBCC Closed 2023 (C) | PR Booyse Standard Tournament 024 (Development) | Details |
| Overall | 2 | Fortuin, M (Mia) | 3 | 1 | 2 | West Coast Schools Development Championships 2023 (U7 Open+U9 Girls) | Pedro Booyse Annual Rapid 2024 (Development) | Details |
| Overall | 3 | Van Wyk, F (Faith) | 3 | 2 | 1 | West Coast Open 2023 (Development A) | Upper West Coast Top Schools 2025 (U11) | Details |
| Overall | 4 | Arinze, K (Karmelithe) | 3 | 3 | 0 | PRBCC Closed 2023 (C) | West Coast Schools Chess Prestige Championships 2024 (U9 Girls) | Details |
| Overall | 5 | Skippers, J (Jamie-Lee) | 3 | 3 | 0 | Pedro Booyse Annual Rapid 2024 (Development) | Upper West Coast Schools Prestige Individuals Championship 2026 (U11 Girls) | Details |
| Standard | 1 | Tieties, N (Nicola) | 3 | 1 | 2 | Western Cape Top Schools 2023 (U9 Girls) | PR Booyse Standard Tournament 024 (Development) | Details |
| Standard | 2 | Coleman, G (Gabriella) | 2 | 0 | 2 | Western Cape Top Schools 2023 (U9 Girls) | Western Cape Schools - Top Schools 2025 (U11 Girls) | Details |
| Rapid | 1 | Fortuin, M (Mia) | 3 | 1 | 2 | West Coast Schools Development Championships 2023 (U7 Open+U9 Girls) | Pedro Booyse Annual Rapid 2024 (Development) | Details |
| Rapid | 2 | Arinze, K (Karmelithe) | 3 | 3 | 0 | PRBCC Closed 2023 (C) | West Coast Schools Chess Prestige Championships 2024 (U9 Girls) | Details |
| Rapid | 3 | Tieties, N (Nicola) | 3 | 1 | 2 | PRBCC Closed 2023 (C) | Pedro Booyse Top Schools Championships 2024 (U7+U9) | Details |
| Rapid | 4 | Skippers, J (Jamie-Lee) | 3 | 3 | 0 | Pedro Booyse Annual Rapid 2024 (Development) | Upper West Coast Schools Prestige Individuals Championship 2026 (U11 Girls) | Details |
| Rapid | 5 | Adonis, G (Gia) | 3 | 0 | 3 | PRBCC Closed 2023 (C) | West Coast Schools Chess Prestige Championships 2024 (U9 Girls) | Details |