PLAYER PAGE
Niki Coetzee
2180302971Buffalo City (EBC)Personal
Main rating
| Rating | 1462.1 |
| K-factor | 32 |
| Floor | 962.1 |
| Highest | 1462.1 (2026-03-01) |
| Min/Max +/- allowed | 114 |
| Rating Change () | |
| Games | 16 |
| Score | 8.5 |
| We | 11.09 |
| SWe | -2.45 |
| Temp +/- | -78.3 |
| Penalties | 0 |
| Weight perform | 1365.7 |
| Final +/- | -78.3 |
| New Rating () | |
| Rating | 1383.8 |
| K-factor | 32 |
| Floor | 962.1 |
| Highest | 1462.1 (2026-03-01) |
| Min/Max +/- allowed | 114.1 |
Standard rating
| Rating | 1462.1 |
| K-factor | 32 |
| Floor | 962.1 |
| Highest | 1462.1 (2026-03-01) |
| Min/Max +/- allowed | 114.1 |
| Rating Change () | |
| Games | 16 |
| Score | 8.5 |
| We | 11.06 |
| SWe | -2.56 |
| Temp +/- | -81.8 |
| Penalties | 0 |
| Weight perform | 1365.7 |
| Final +/- | -81.8 |
| New Rating () | |
| Rating | 1380.4 |
| K-factor | 32 |
| Floor | 962.1 |
| Highest | 1462.1 (2026-03-01) |
| Min/Max +/- allowed | 114.1 |
Rapid rating
| Rating | 1231 |
| K-factor | 36 |
| Floor | 731 |
| Highest | 1231 (2025-11-01) |
| Min/Max +/- allowed | 158.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1231 |
| K-factor | 36 |
| Floor | 731 |
| Highest | 1231 (2025-11-01) |
| Min/Max +/- allowed | 158.6 |
Blitz rating
| Rating | 1198.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| 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 | 1198.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eastern Cape Open 2026 (U8-U14 Girls) | Standard | 2026-04-11 | 2026-04-12 | Buffalo City (EBC) | 7 | 1462.1 | 7 | 3 | 1170.9 | -70.2 | Details |
| 2 | South African Junior Closed Chess Championship 2026 (U8 Girls) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1462.1 | 9 | 5.5 | 1440.9 | -8.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 3 (U10) | Standard | 2026-03-21 | 2026-03-21 | Buffalo City (EBC) | 5 | 1326 | 5 | 3.5 | 1472.6 | 24.6 | Details |
| 2 | 2026 Buffalo City Chess Trials 2 (U8+U10 Girls) | Standard | 2026-02-28 | 2026-02-28 | Buffalo City | 5 | 1326 | 5 | 5 | 1635.1 | 53.3 | Details |
| 3 | 2026 Buffalo City Chess Trials 1 (U8+U10) | Standard | 2026-02-07 | 2026-02-07 | Buffalo City (EBC) | 5 | 1317.7 | 5 | 3 | 1357.3 | 3 | Details |
| 4 | 2025 Mzansi Individual Championships (U8 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1265.6 | 0 | 0 | 0 | 0 | Details |
| 5 | 2025 Mzansi Individual Championships (U8 Girls) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1265.6 | 6 | 4 | 1355.3 | 12.8 | Details |
| 6 | 2025 Mzansi Inter Provincial Team Championships (U8 Girls) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1265.6 | 4 | 3 | 1497.5 | 16.8 | Details |
| 7 | Chess Vikings Trials 2 2025 (D) | Standard | 2025-10-18 | 2025-10-18 | Buffalo City (EBC) | 5 | 1261.5 | 5 | 3 | 1282.7 | 2.8 | Details |
| 8 | BC Open 2025 (U10-U14) | Rapid | 2025-10-04 | 2025-10-04 | Buffalo City (EBC) | 7 | 1261.5 | 7 | 4 | 1301.6 | 4.1 | Details |
| 9 | EC Closed 2025 (U8+U10 Girls) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1210 | 6 | 4 | 1387.8 | 23.5 | Details |
| 10 | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Standard | 2025-08-16 | 2025-08-16 | Buffalo City (EBC) | 5 | 1177.2 | 4 | 2 | 1344.1 | 12.9 | Details |
| 11 | 3rd Chess Vikings Open Championship 2025 (D) | Standard | 2025-08-02 | 2025-08-02 | Buffalo City (EBC) | 6 | 1177.2 | 5 | 2.5 | 1239.1 | 5.3 | Details |
| 12 | 2nd Vikings Classical 2025 (D) | Standard | 2025-05-24 | 2025-05-24 | Buffalo City (EBC) | 5 | 1194 | 4 | 1 | 1075.8 | -9.3 | Details |
| 13 | EC Open 2025 (U8-U14 Girls) | Standard | 2025-05-02 | 2025-05-02 | Buffalo City (EBC) | 7 | 1220.4 | 6 | 1.5 | 1110.7 | -14.6 | Details |
| 14 | Vikings Holiday 2025 (D) | Standard | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 6 | 1167.2 | 6 | 3 | 1235.4 | 8 | Details |
| 15 | 2025 Buffalo City Chess Trials 2 (U8) | Standard | 2025-04-12 | 2025-04-12 | Buffalo City (EBC) | 5 | 1167.2 | 4 | 2 | 1240.3 | 7 | Details |
| 16 | 2025 Buffalo City Chess Trials 1 (U8) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1167.2 | 4 | 2 | 1262.4 | 7.3 | Details |
| 17 | Vikings Classical March 2025 (U8) | Standard | 2025-03-15 | 2025-03-15 | Buffalo City (EBC) | 5 | 1157.6 | 4 | 2 | 1226.5 | 5.3 | Details |
| 18 | Rapid Feb 2nd Leg 2025 (U8+U10) | Rapid | 2025-02-22 | 2025-02-22 | Buffalo City (EBC) | 7 | 1152.7 | 6 | 3 | 1211.4 | 2.7 | Details |
| 19 | NMBCU vs BCC Derby Chess Invitational 2025 (Open B) | Standard | 2025-01-10 | 2025-01-11 | Nelson Mandela Bay (ENM) | 5 | 1091.1 | 5 | 2 | 1160.9 | 6.1 | Details |
| 20 | NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) | Blitz | 2025-01-12 | 2025-01-12 | Nelson Mandela Bay (ENM) | 9 | 1091.1 | 8 | 0 | 793.4 | -10.1 | Details |
| 21 | EL Junior Closed 2024 (U10) | Standard | 2024-11-23 | 2024-11-23 | Buffalo City (EBC) | 5 | 1105.7 | 4 | 1 | 1004 | -8.1 | Details |
| 22 | 5th BC Trials 2024 (HS B) | Standard | 2024-08-24 | 2024-08-24 | Buffalo City (EBC) | 5 | 1135 | 5 | 1 | 956.6 | -16.8 | Details |
| 23 | 5th BC Trails 2024 (U10A) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1135 | 5 | 2 | 1147.7 | 0.5 | Details |
| 24 | BC 4th HS Trials 204 (B) | Standard | 2024-07-20 | 2024-07-20 | Buffalo City (EBC) | 5 | 1194.2 | 4 | 0 | 775 | -32.9 | Details |
| 25 | 4th BC Trials 2024 (U10A) | Standard | 2024-06-08 | 2024-06-08 | Buffalo City (EBC) | 5 | 1201.1 | 3 | 1 | 1124.7 | -3.8 | Details |
| 26 | 3rd BC Trials 2024 (U10B) | Standard | 2024-05-11 | 2024-05-11 | Buffalo City (EBC) | 5 | 1205.3 | 5 | 2.5 | 1173.9 | -2.3 | Details |
| 27 | Bhongweni Chess Club Open 2024 (U10) | Rapid | 2024-04-27 | 2024-04-27 | Buffalo City (EBC) | 6 | 1200 | 6 | 3 | 1232 | 2.7 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 3 |
| Draws | 0 |
| Losses | 4 |
| White | 3 |
| Black | 4 |
| White wins | 2 |
| Black wins | 1 |
| Score | 3 |
| Percent | 42.9 |
| Dp | -60.7 |
| AOR | 1231.6 |
| Performance | 1170.9 |
Game statistics ()
| Games | 31 |
| Wins | 19 |
| Draws | 2 |
| Losses | 10 |
| White | 16 |
| Black | 15 |
| White wins | 9 |
| Black wins | 10 |
| Score | 20 |
| Percent | 64.5 |
| Dp | 123.4 |
| AOR | 1279.5 |
| Performance | 1402.9 |
Game statistics (History)
| Games | 147 |
| Wins | 67 |
| Draws | 5 |
| Losses | 75 |
| White | 73 |
| Black | 74 |
| White wins | 33 |
| Black wins | 34 |
| Score | 69.5 |
| Percent | 47.3 |
| Dp | -23.1 |
| AOR | 1247.8 |
| Performance | 1224.7 |
Rankings (Main)
| National | |
| Overall | 2355 |
| Gender | 322 |
| Age group | 71 |
| Gender/Age | 12 |
| Provincial | |
| Overall | 259 |
| Gender | 33 |
| Age group | 7 |
| Gender/Age | 1 |
| Regional | |
| Overall | 90 |
| Gender | 16 |
| Age group | 5 |
| Gender/Age | 1 |
Rankings (Standard)
| National | |
| Overall | 2190 |
| Gender | 316 |
| Age group | 70 |
| Gender/Age | 12 |
| Provincial | |
| Overall | 241 |
| Gender | 33 |
| Age group | 8 |
| Gender/Age | 1 |
| Regional | |
| Overall | 89 |
| Gender | 17 |
| Age group | 6 |
| Gender/Age | 1 |
Rankings (Rapid)
| National | |
| Overall | 3413 |
| Gender | 700 |
| Age group | 164 |
| Gender/Age | 37 |
| Provincial | |
| Overall | 326 |
| Gender | 50 |
| Age group | 10 |
| Gender/Age | 1 |
| Regional | |
| Overall | 89 |
| Gender | 17 |
| Age group | 6 |
| 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 | 16 |
| Score | 8.5 |
| Percent | 53.1 |
| Aor | 1296.2 |
| Dp | 26.6 |
| Prat | 1322.8 |
Performance ()
| Games | 31 |
| Score | 20 |
| Percent | 64.5 |
| Aor | 1279.5 |
| Dp | 123.4 |
| Prat | 1402.9 |
Performance (12 months)
| Games | 78 |
| Score | 45 |
| Percent | 57.7 |
| Aor | 1268 |
| Dp | 65.4 |
| Prat | 1333.4 |
Performance (History)
| Games | 147 |
| Score | 69.5 |
| Percent | 47.3 |
| Aor | 1247.8 |
| Dp | -23.1 |
| Prat | 1224.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Naidoo, N (Nadeema) | 6 | 2 | 4 | 2025 Buffalo City Chess Trials 2 (U8) | 2026 Buffalo City Chess Trials 2 (U8+U10 Girls) | Details |
| Overall | 2 | Weng, J (Junjie) | 6 | 3 | 3 | Vikings Classical March 2025 (U8) | 2026 Buffalo City Chess Trials 3 (U10) | Details |
| Overall | 3 | Makgaila, M (Moagi) | 6 | 4 | 2 | Rapid Feb 2nd Leg 2025 (U8+U10) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Overall | 4 | Mxabo, S (Sophumelela) | 6 | 4 | 2 | Vikings Classical March 2025 (U8) | 2026 Buffalo City Chess Trials 3 (U10) | Details |
| Overall | 5 | Kapp, M (Michael) | 4 | 2 | 2 | EL Junior Closed 2024 (U10) | 2026 Buffalo City Chess Trials 1 (U8+U10) | Details |
| Standard | 1 | Naidoo, N (Nadeema) | 6 | 2 | 4 | 2025 Buffalo City Chess Trials 2 (U8) | 2026 Buffalo City Chess Trials 2 (U8+U10 Girls) | Details |
| Standard | 2 | Weng, J (Junjie) | 6 | 3 | 3 | Vikings Classical March 2025 (U8) | 2026 Buffalo City Chess Trials 3 (U10) | Details |
| Standard | 3 | Mxabo, S (Sophumelela) | 6 | 4 | 2 | Vikings Classical March 2025 (U8) | 2026 Buffalo City Chess Trials 3 (U10) | Details |
| Standard | 4 | Makgaila, M (Moagi) | 5 | 3 | 2 | Vikings Classical March 2025 (U8) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Standard | 5 | Kapp, M (Michael) | 4 | 2 | 2 | EL Junior Closed 2024 (U10) | 2026 Buffalo City Chess Trials 1 (U8+U10) | Details |