PLAYER PAGE
Tristan Coetzee
1150191747Buffalo City (EBC)Personal
Main rating
| Rating | 1552 |
| K-factor | 32 |
| Floor | 1091 |
| Highest | 1591.9 (2025-11-01) |
| Min/Max +/- allowed | 95 |
| Rating Change () | |
| Games | 16 |
| Score | 7.5 |
| We | 9.29 |
| SWe | -1.79 |
| Temp +/- | -57.2 |
| Penalties | 0 |
| Weight perform | 1494.1 |
| Final +/- | -57.2 |
| New Rating () | |
| Rating | 1494.8 |
| K-factor | 32 |
| Floor | 1091 |
| Highest | 1591.9 (2025-11-01) |
| Min/Max +/- allowed | 94.9 |
Standard rating
| Rating | 1558.2 |
| K-factor | 28 |
| Floor | 1112.8 |
| Highest | 1619.7 (2025-11-01) |
| Min/Max +/- allowed | 91.2 |
| Rating Change () | |
| Games | 16 |
| Score | 7.5 |
| We | 9.62 |
| SWe | -2.12 |
| Temp +/- | -59.3 |
| Penalties | 0 |
| Weight perform | 1494.1 |
| Final +/- | -59.3 |
| New Rating () | |
| Rating | 1498.9 |
| K-factor | 28 |
| Floor | 1112.8 |
| Highest | 1619.7 (2025-11-01) |
| Min/Max +/- allowed | 91.2 |
Rapid rating
| Rating | 1328.1 |
| K-factor | 36 |
| Floor | 828.1 |
| Highest | 1526 (2024-04-01) |
| Min/Max +/- allowed | 104.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1328.1 |
| K-factor | 36 |
| Floor | 828.1 |
| Highest | 1526 (2024-04-01) |
| Min/Max +/- allowed | 104.2 |
Blitz rating
| Rating | 1208.8 |
| K-factor | 36 |
| Floor | 708.8 |
| Highest | 1208.8 (2025-05-05) |
| Min/Max +/- allowed | 163.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1208.8 |
| K-factor | 36 |
| Floor | 708.8 |
| Highest | 1208.8 (2025-05-05) |
| Min/Max +/- allowed | 163.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Eastern Cape Open 2026 (U8-U14 Boys) | Standard | 2026-04-11 | 2026-04-12 | Buffalo City (EBC) | 7 | 1552 | 7 | 4.5 | 1547.5 | -2 | Details |
| 2 | South African Junior Closed Chess Championship 2026 (U12 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1552 | 9 | 3 | 1385.1 | -55.1 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Standard | 2026-02-28 | 2026-02-28 | Buffalo City | 5 | 1540.5 | 5 | 4 | 1605 | 11.5 | Details |
| 2 | 2026 Buffalo City Chess Trials 1 (U12) | Standard | 2026-02-07 | 2026-02-07 | Buffalo City (EBC) | 5 | 1546.5 | 5 | 3.5 | 1512.9 | -3.8 | Details |
| 3 | 2025 Mzansi Individual Championships (U12 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1591.1 | 6 | 3.5 | 1546.7 | -6 | Details |
| 4 | 2025 Mzansi Inter Provincial Team Championships (U12 Combined) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1591.1 | 6 | 2.5 | 1404.1 | -21.7 | Details |
| 5 | Chess Vikings Trials 2 2025 (C) | Standard | 2025-10-18 | 2025-10-18 | Buffalo City (EBC) | 5 | 1560 | 5 | 4.5 | 1769.6 | 21.2 | Details |
| 6 | BC Open 2025 (U10-U14) | Rapid | 2025-10-04 | 2025-10-04 | Buffalo City (EBC) | 7 | 1560 | 7 | 5 | 1531.7 | -1.8 | Details |
| 7 | EC Closed 2025 (U12 Boys) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1540.1 | 6 | 4.5 | 1632.6 | 12.4 | Details |
| 8 | Buffalo City Chess Junior Closed 2025 (U12 Open) | Standard | 2025-08-16 | 2025-08-16 | Buffalo City (EBC) | 5 | 1538.5 | 5 | 3.5 | 1543.7 | 1.3 | Details |
| 9 | 3rd Chess Vikings Open Championship 2025 (C) | Standard | 2025-08-02 | 2025-08-02 | Buffalo City (EBC) | 6 | 1538.5 | 6 | 5 | 1544.3 | -0.3 | Details |
| 10 | EC Open 2025 (U8-U14 Boys) | Standard | 2025-05-02 | 2025-05-02 | Buffalo City (EBC) | 7 | 1509.3 | 7 | 5 | 1631.9 | 18.2 | Details |
| 11 | Vikings Holiday 2025 (Rapid B) | Rapid | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 5 | 1516.5 | 5 | 2 | 1262.1 | -11.2 | Details |
| 12 | Vikings Holiday 2025 (Blitz B) | Blitz | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 7 | 1516.5 | 7 | 4 | 1411.8 | -3.2 | Details |
| 13 | 2025 Buffalo City Chess Trials 2 (U12) | Standard | 2025-04-12 | 2025-04-12 | Buffalo City (EBC) | 5 | 1516.5 | 5 | 4 | 1606.9 | 8.3 | Details |
| 14 | 2025 Buffalo City Chess Trials 1 (U12) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1516.5 | 5 | 3.5 | 1523.9 | 1.7 | Details |
| 15 | Vikings Classical March 2025 (A) | Standard | 2025-03-15 | 2025-03-15 | Buffalo City (EBC) | 5 | 1528.3 | 4 | 2 | 1432.7 | -7.5 | Details |
| 16 | Rapid Feb 2nd Leg 2025 (U12) | Rapid | 2025-02-22 | 2025-02-22 | Buffalo City (EBC) | 7 | 1533.4 | 7 | 5 | 1466.7 | -3.2 | Details |
| 17 | NMBCU vs BCC Derby Chess Invitational 2025 (U10) | Standard | 2025-01-10 | 2025-01-11 | Nelson Mandela Bay (ENM) | 5 | 1537.7 | 5 | 3 | 1526.1 | -0.3 | Details |
| 18 | NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) | Blitz | 2025-01-12 | 2025-01-12 | Nelson Mandela Bay (ENM) | 9 | 1537.7 | 9 | 5 | 1471.8 | -2.3 | Details |
| 19 | EL Junior Closed 2024 (U10) | Standard | 2024-11-23 | 2024-11-23 | Buffalo City (EBC) | 5 | 1531.7 | 5 | 4 | 1507.1 | -3 | Details |
| 20 | East London Open 2024 (C) | Standard | 2024-11-05 | 2024-11-05 | Buffalo City (EBC) | 6 | 1434.1 | 5 | 5 | 1697.4 | 25.1 | Details |
| 21 | 7th Annual UFH Heritage Open 2024 (D) | Standard | 2024-09-21 | 2024-09-21 | Amathole (EAL) | 5 | 1393.5 | 4 | 4 | 1712.7 | 25.4 | Details |
| 22 | 5th BC Trials 2024 (HS B) | Standard | 2024-08-24 | 2024-08-24 | Buffalo City (EBC) | 5 | 1400 | 5 | 3.5 | 1373.7 | -3.2 | Details |
| 23 | 5th BC Trails 2024 (U10A) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1400 | 5 | 4 | 1458.6 | 6.6 | Details |
| 24 | Hackers Open 2024 (Blitz) | Blitz | 2024-08-11 | 2024-08-11 | Buffalo City (EBC) | 7 | 1400 | 6 | 1 | 1103 | -7.6 | Details |
| 25 | BC 4th HS Trials 204 (B) | Standard | 2024-07-20 | 2024-07-20 | Buffalo City (EBC) | 5 | 1429 | 4 | 2 | 1194.1 | -18.1 | Details |
| 26 | 4th BC Trials 2024 (U10A) | Standard | 2024-06-08 | 2024-06-08 | Buffalo City (EBC) | 5 | 1379.2 | 5 | 4 | 1534.3 | 14.4 | Details |
| 27 | 3rd BC Trials 2024 (U10A) | Standard | 2024-05-11 | 2024-05-11 | Buffalo City (EBC) | 5 | 1325.3 | 5 | 4 | 1528.9 | 20.6 | Details |
| 28 | Bhongweni Chess Club Open 2024 (U10) | Rapid | 2024-04-27 | 2024-04-27 | Buffalo City (EBC) | 6 | 1239.4 | 6 | 5 | 1537.5 | 24.4 | Details |
| 29 | UFH Open 2024 (C) | Standard | 2024-04-13 | 2024-04-13 | Amathole (EAL) | 5 | 1239.4 | 5 | 2.5 | 1208.3 | -2.3 | Details |
| 30 | 2nd Buffalo City Chess Trials 2024 (High School B) | Standard | 2024-04-06 | 2024-04-06 | Buffalo City (EBC) | 5 | 1239.4 | 5 | 4 | 1447.1 | 21.1 | Details |
| 31 | 1st BC Chess Trials 2024 (HS B) | Standard | 2024-03-02 | 2024-03-02 | Buffalo City (EBC) | 5 | 1234.9 | 5 | 3 | 1267.3 | 2.5 | Details |
| 32 | Buffalo City Vikings Chess Trials 2024 (U10A+U10B) | Standard | 2024-02-03 | 2024-02-03 | Buffalo City (EBC) | 5 | 1200 | 4 | 3 | 1422.6 | 17.4 | Details |
Game statistics ( )
| Games | 7 |
| Wins | 4 |
| Draws | 1 |
| Losses | 2 |
| White | 4 |
| Black | 3 |
| White wins | 2 |
| Black wins | 2 |
| Score | 4.5 |
| Percent | 64.3 |
| Dp | 121.4 |
| AOR | 1426.1 |
| Performance | 1547.5 |
Game statistics ()
| Games | 26 |
| Wins | 12 |
| Draws | 6 |
| Losses | 8 |
| White | 13 |
| Black | 13 |
| White wins | 7 |
| Black wins | 5 |
| Score | 15 |
| Percent | 57.7 |
| Dp | 65.4 |
| AOR | 1430.3 |
| Performance | 1495.7 |
Game statistics (History)
| Games | 190 |
| Wins | 118 |
| Draws | 16 |
| Losses | 56 |
| White | 95 |
| Black | 95 |
| White wins | 64 |
| Black wins | 54 |
| Score | 126 |
| Percent | 66.3 |
| Dp | 138.7 |
| AOR | 1342.2 |
| Performance | 1480.8 |
Rankings (Main)
| National | |
| Overall | 1355 |
| Gender | 1225 |
| Age group | 81 |
| Gender/Age | 68 |
| Provincial | |
| Overall | 130 |
| Gender | 117 |
| Age group | 5 |
| Gender/Age | 4 |
| Regional | |
| Overall | 50 |
| Gender | 44 |
| Age group | 3 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 1215 |
| Gender | 1095 |
| Age group | 80 |
| Gender/Age | 66 |
| Provincial | |
| Overall | 118 |
| Gender | 107 |
| Age group | 5 |
| Gender/Age | 4 |
| Regional | |
| Overall | 47 |
| Gender | 43 |
| Age group | 3 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | 1535 |
| Gender | 1291 |
| Age group | 173 |
| Gender/Age | 141 |
| Provincial | |
| Overall | 145 |
| Gender | 127 |
| Age group | 13 |
| Gender/Age | 12 |
| Regional | |
| Overall | 41 |
| Gender | 35 |
| Age group | 5 |
| Gender/Age | 4 |
Rankings (Blitz)
| National | |
| Overall | 438 |
| Gender | 401 |
| Age group | 18 |
| Gender/Age | 15 |
| Provincial | |
| Overall | 48 |
| Gender | 46 |
| Age group | 4 |
| Gender/Age | 4 |
| Regional | |
| Overall | 17 |
| Gender | 16 |
| Age group | 1 |
| Gender/Age | 1 |
Performance ( )
| Games | 16 |
| Score | 7.5 |
| Percent | 46.9 |
| Aor | 1482.7 |
| Dp | -26.6 |
| Prat | 1456.1 |
Performance ()
| Games | 26 |
| Score | 15 |
| Percent | 57.7 |
| Aor | 1430.3 |
| Dp | 65.4 |
| Prat | 1495.7 |
Performance (12 months)
| Games | 74 |
| Score | 48.5 |
| Percent | 65.5 |
| Aor | 1413.4 |
| Dp | 132.1 |
| Prat | 1545.5 |
Performance (History)
| Games | 190 |
| Score | 126 |
| Percent | 66.3 |
| Aor | 1342.2 |
| Dp | 138.7 |
| Prat | 1480.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Lin, Y (Yifan) | 7 | 1 | 6 | 5th BC Trails 2024 (U10A) | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Details |
| Overall | 2 | Xu, Z (Zheyi) | 5 | 2 | 3 | 3rd BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 1 (U12) | Details |
| Overall | 3 | Kuo, C (Chih-Hsun) | 5 | 4 | 1 | 5th BC Trails 2024 (U10A) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Overall | 4 | Wood, S (Sebastian) | 4 | 2 | 2 | Buffalo City Vikings Chess Trials 2024 (U10A+U10B) | Chess Vikings Trials 2 2025 (C) | Details |
| Overall | 5 | Gonya, M (Mvuni) | 3 | 1 | 2 | Buffalo City Vikings Chess Trials 2024 (U10A+U10B) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Standard | 1 | Lin, Y (Yifan) | 5 | 1 | 4 | 5th BC Trails 2024 (U10A) | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Details |
| Standard | 2 | Xu, Z (Zheyi) | 4 | 2 | 2 | 3rd BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 1 (U12) | Details |
| Standard | 3 | Kuo, C (Chih-Hsun) | 4 | 3 | 1 | 5th BC Trails 2024 (U10A) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Standard | 4 | Ndwandwa, L (Longezo) | 3 | 1 | 2 | East London Open 2024 (C) | EC Closed 2025 (U12 Boys) | Details |
| Standard | 5 | Wood, S (Sebastian) | 3 | 2 | 1 | Buffalo City Vikings Chess Trials 2024 (U10A+U10B) | Chess Vikings Trials 2 2025 (C) | Details |