PLAYER PAGE
Zonghan He
1120150398Cape Town (WCT)Personal
Main rating
| Rating | 1401.1 |
| K-factor | 32 |
| Floor | 923.4 |
| Highest | 1423.4 (2026-08-01) |
| Min/Max +/- allowed | 121 |
| Rating Change () | |
| Games | 6 |
| Score | 3.5 |
| We | 3.68 |
| SWe | -0.1 |
| Temp +/- | -3.2 |
| Penalties | 0 |
| Weight perform | 1343.5 |
| Final +/- | -3.2 |
| New Rating () | |
| Rating | 1397.9 |
| K-factor | 32 |
| Floor | 923.4 |
| Highest | 1423.4 (2026-08-01) |
| Min/Max +/- allowed | 120.6 |
Standard rating
| Rating | 1352.7 |
| K-factor | 36 |
| Floor | 890.5 |
| Highest | 1390.5 (2026-06-01) |
| Min/Max +/- allowed | 126.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1323.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1352.7 |
| K-factor | 36 |
| Floor | 890.5 |
| Highest | 1390.5 (2026-06-01) |
| Min/Max +/- allowed | 126.4 |
Rapid rating
| Rating | 1397.6 |
| K-factor | 36 |
| Floor | 897.6 |
| Highest | 1397.6 (2026-08-01) |
| Min/Max +/- allowed | 125.1 |
| Rating Change () | |
| Games | 6 |
| Score | 3.5 |
| We | 4.15 |
| SWe | -0.65 |
| Temp +/- | -23.4 |
| Penalties | 0 |
| Weight perform | 1368.9 |
| Final +/- | -23.4 |
| New Rating () | |
| Rating | 1374.3 |
| K-factor | 36 |
| Floor | 897.6 |
| Highest | 1397.6 (2026-08-01) |
| Min/Max +/- allowed | 125.1 |
Blitz rating
| Rating | 1193.3 |
| 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 | 1193.3 |
| 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 |
| 1 | The Nautilus Chess Tournament 2026 (U15 Boys) | Rapid | 2026-09-19 | 2026-09-19 | Cape Winelands (WCW) | 6 | 1401.1 | 6 | 3.5 | 1374 | -3.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Western Cape Schools - Top Schools 2026 (U15 Mix) | Standard | 2026-08-29 | 2026-08-30 | Cape Town (WCT) | 6 | 1423.4 | 6 | 2.5 | 1303.9 | -22.3 | Details |
| 2 | Cape Winelands - Top Schools 2026 (U15 Mix) | Rapid | 2026-07-25 | 2026-07-25 | Cape Winelands (WCW) | 5 | 1391.9 | 5 | 5 | 1624 | 31.5 | Details |
| 3 | CTCF Open Championship 2026 (Intermediate) | Classical | 2026-06-13 | 2026-06-14 | Cape Town (WCT) | 6 | 1409.7 | 5 | 2 | 1322 | -17.9 | Details |
| 4 | Moja Chess Extravaganza 2026 (U14) | Standard | 2026-04-25 | 2026-04-26 | Cape Town (WCT) | 5 | 1373.4 | 5 | 3 | 1586.1 | 36.3 | Details |
| 5 | Cape Winelands Open Rapid 2026 (Intermediate) | Rapid | 2026-03-14 | 2026-03-14 | Cape Winelands (WCW) | 6 | 1390.8 | 6 | 4 | 1364.8 | -2.9 | Details |
| 6 | Cape Winelands Schools - High School Trials 1 2026 (U15 Boys) | Standard | 2026-02-28 | 2026-02-28 | Cape Winelands | 5 | 1390.8 | 5 | 2.5 | 1300.3 | -14.5 | Details |
| 7 | CT Metro North Schools Chess Individual Trials 2026 (U11 Girls) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1355.6 | 6 | 4.5 | 1508.6 | 14 | Details |
| 8 | Cape Town Chess Federation Club League 2025 (D) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1355.6 | 0 | 0 | 0 | 0 | Details |
| 9 | Curro Chess Open Rapid 2025 (U14) | Rapid | 2025-08-23 | 2025-08-23 | Cape Town (WCT) | 6 | 1337 | 6 | 4.5 | 1478.2 | 10.8 | Details |
| 10 | Cape Town Metro North Top Schools 2025 (U13) | Standard | 2025-08-01 | 2025-08-02 | Cape Town (WCT) | 5 | 1337 | 5 | 2.5 | 1324.7 | -0.5 | Details |
| 11 | 4th Curro Durbanville Rapid Open 2025 (Intermediate) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1374.8 | 7 | 2.5 | 1097.9 | -21 | Details |
| 12 | Steinitz Festival 2025 (U14) | Rapid | 2025-03-15 | 2025-03-15 | Cape Town (WCT) | 7 | 1327.3 | 7 | 5.5 | 1562.3 | 17.8 | Details |
| 13 | Cape of Good Hope Open 2025 (Intermediate) | Standard | 2025-02-22 | 2025-02-23 | Cape Town (WCT) | 6 | 1276.2 | 6 | 3.5 | 1284.2 | 1 | Details |
| 14 | Laerskool Welgemoed Rapid 2025 (U14) | Rapid | 2025-02-15 | 2025-02-15 | Cape Town (WCT) | 6 | 1276.2 | 6 | 3 | 1476.3 | 16.3 | Details |
| 15 | CT Metro North Schools Chess Individual Trials 2025 (U13 Open) | Standard | 2025-02-08 | 2025-02-09 | Cape Town (WCT) | 6 | 1276.2 | 6 | 3.5 | 1371.1 | 11.1 | Details |
| 16 | 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) | Standard | 2024-12-07 | 2024-12-07 | Cape Town (WCT) | 5 | 1256.8 | 4 | 2.5 | 1390.2 | 10.8 | Details |
| 17 | Laerskool Welgemoed Rapid 2024 (U14) | Rapid | 2024-10-19 | 2024-10-19 | Cape Town (WCT) | 6 | 1267.1 | 6 | 2 | 1192.2 | -5.8 | Details |
| 18 | CBC Rapid Chess Tournament 2024 (U12) | Rapid | 2024-09-14 | 2024-09-14 | Cape Town (WCT) | 6 | 1224.8 | 6 | 4.5 | 1492.8 | 23.7 | Details |
| 19 | 2nd Young Minds Classic 2024 (Intermediate) | Standard | 2024-08-10 | 2024-08-11 | Cape Town (WCT) | 5 | 1221.4 | 5 | 1.5 | 1237 | 2.3 | Details |
| 20 | 2nd Young Minds Classic 2024 (Blitz) | Blitz | 2024-08-09 | 2024-08-09 | Cape Town (WCT) | 7 | 1221.4 | 7 | 3 | 1219.1 | -0.4 | Details |
| 21 | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1237.6 | 6 | 2 | 1141.8 | -8.9 | Details |
| 22 | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | Standard | 2024-06-15 | 2024-06-16 | Cape Town (WCT) | 6 | 1247.6 | 6 | 2.5 | 1202.1 | -5.6 | Details |
| 23 | Cape Town Junior League Finals 2024 (U13 Open B) | Rapid | 2024-05-18 | 2024-05-18 | Cape Town (WCT) | 6 | 1268 | 6 | 2 | 1079.2 | -14.6 | Details |
| 24 | Steinitz Chess Festival 2024 (U14) | Rapid | 2024-05-11 | 2024-05-11 | Cape Town (WCT) | 5 | 1268 | 5 | 2 | 1126.8 | -7.4 | Details |
| 25 | Cape Town Junior League - Qualifier 2 2024 (U13) | Rapid | 2024-04-20 | 2024-04-20 | Cape Town (WCT) | 6 | 1268 | 6 | 4 | 1404.9 | 10.5 | Details |
| 26 | Cape Town Open Rapid Chess Championship 2024 (U12) | Rapid | 2024-03-16 | 2024-03-16 | Cape Town (WCT) | 6 | 1251.7 | 6 | 3 | 1384 | 9.1 | Details |
| 27 | North District School Trials 2024 (U13 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1219.4 | 5 | 3 | 1370.5 | 15.4 | Details |
| 28 | Cape of Good Hope Open Chess Tournament 2024 (U12) | Rapid | 2024-02-17 | 2024-02-17 | Cape Town (WCT) | 6 | 1219.4 | 6 | 3 | 1249.4 | 2.5 | Details |
| 29 | Kraaifontein Open 2023 (Intermediate) | Standard | 2023-12-09 | 2023-12-10 | Cape Town (WCT) | 6 | 1236.9 | 6 | 2 | 1159.2 | -9.6 | Details |
| 30 | Chas Everitt and MHI Attorneys Rapid 2023 (U12) | Rapid | 2023-11-04 | 2023-11-04 | Cape Town (WCT) | 6 | 1255.8 | 6 | 2.5 | 1116.6 | -10.6 | Details |
| 31 | Western Cape Closed Championship 2023 (U12) | Rapid | 2023-09-23 | 2023-09-23 | Cape Town (WCT) | 6 | 1233.8 | 6 | 3 | 1395.8 | 12.3 | Details |
| 32 | Curro Durbanville Chess Open Rapid 2023 (U12) | Rapid | 2023-07-15 | 2023-07-15 | Cape Town (WCT) | 6 | 1234.4 | 5 | 2 | 1159.8 | -5.2 | Details |
| 33 | CT Metro District North Top Schools Chess 2023 (U11 Mixed) | Rapid | 2023-07-29 | 2023-07-29 | Cape Town (WCT) | 5 | 1234.4 | 4 | 2 | 1321.7 | 5 | Details |
| 34 | GPCA Rapid 2023 (U12) | Rapid | 2023-06-24 | 2023-06-24 | Cape Town (WCT) | 7 | 1230.7 | 7 | 4 | 1257.8 | 2 | Details |
| 35 | Steinitz Open 2023 (U12) | Rapid | 2023-05-27 | 2023-05-27 | Cape Town (WCT) | 5 | 1198.4 | 5 | 4 | 1485.2 | 16.3 | Details |
| 36 | Cape Town Open 2023 (U12) | Rapid | 2023-03-25 | 2023-03-25 | Cape Town (WCT) | 6 | 1172 | 6 | 3.5 | 1357.5 | 13.2 | Details |
| 37 | North District School Trials 2023 (U11 Boys) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1200 | 6 | 2 | 1094.7 | -12.4 | Details |
| 38 | Laerskool Welgemoed Rapid 2023 (U12) | Rapid | 2023-02-11 | 2023-02-11 | Cape Town (WCT) | 6 | 1200 | 6 | 3 | 1176.4 | -1.8 | 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 | 44 |
| Wins | 25 |
| Draws | 4 |
| Losses | 15 |
| White | 21 |
| Black | 23 |
| White wins | 13 |
| Black wins | 12 |
| Score | 27 |
| Percent | 61.4 |
| Dp | 96.6 |
| AOR | 1323.2 |
| Performance | 1419.8 |
Game statistics (History)
| Games | 218 |
| Wins | 106 |
| Draws | 18 |
| Losses | 94 |
| White | 106 |
| Black | 112 |
| White wins | 54 |
| Black wins | 52 |
| Score | 115 |
| Percent | 52.8 |
| Dp | 23.4 |
| AOR | 1289.1 |
| Performance | 1312.5 |
Rankings (Main)
| National | |
| Overall | 3579 |
| Gender | 3026 |
| Age group | 483 |
| Gender/Age | 389 |
| Provincial | |
| Overall | 1095 |
| Gender | 878 |
| Age group | 141 |
| Gender/Age | 107 |
| Regional | |
| Overall | 537 |
| Gender | 451 |
| Age group | 59 |
| Gender/Age | 44 |
Rankings (Standard)
| National | |
| Overall | 4098 |
| Gender | 3377 |
| Age group | 634 |
| Gender/Age | 499 |
| Provincial | |
| Overall | 1232 |
| Gender | 953 |
| Age group | 184 |
| Gender/Age | 134 |
| Regional | |
| Overall | 588 |
| Gender | 475 |
| Age group | 70 |
| Gender/Age | 52 |
Rankings (Rapid)
| National | |
| Overall | 996 |
| Gender | 862 |
| Age group | 159 |
| Gender/Age | 127 |
| Provincial | |
| Overall | 471 |
| Gender | 404 |
| Age group | 72 |
| Gender/Age | 58 |
| Regional | |
| Overall | 205 |
| Gender | 189 |
| Age group | 27 |
| Gender/Age | 26 |
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 | 44 |
| Score | 27 |
| Percent | 61.4 |
| Aor | 1323.2 |
| Dp | 96.6 |
| Prat | 1419.8 |
Performance (12 months)
| Games | 44 |
| Score | 27 |
| Percent | 61.4 |
| Aor | 1323.2 |
| Dp | 96.6 |
| Prat | 1419.8 |
Performance (History)
| Games | 218 |
| Score | 115 |
| Percent | 52.8 |
| Aor | 1289.1 |
| Dp | 23.4 |
| Prat | 1312.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Sher, J (Jonah) | 5 | 3 | 2 | Laerskool Welgemoed Rapid 2023 (U12) | Laerskool Welgemoed Rapid 2024 (U14) | Details |
| Overall | 2 | Wilson, EM (Emlyn Marissa) | 4 | 0 | 4 | Curro Durbanville Chess Open Rapid 2023 (U12) | 2nd Young Minds Classic 2024 (Intermediate) | Details |
| Overall | 3 | Weideman, J (Janko) | 3 | 1 | 2 | 2nd Young Minds Classic 2024 (Intermediate) | Laerskool Welgemoed Rapid 2025 (U14) | Details |
| Overall | 4 | Mputing, T (Thando) | 3 | 1 | 2 | Cape Town Open 2023 (U12) | Steinitz Festival 2025 (U14) | Details |
| Overall | 5 | Fourie, R (Ruan) | 3 | 1 | 2 | Cape Town Open Rapid Chess Championship 2024 (U12) | Steinitz Festival 2025 (U14) | Details |
| Standard | 1 | Wilson, EM (Emlyn Marissa) | 3 | 0 | 3 | Kraaifontein Open 2023 (Intermediate) | 2nd Young Minds Classic 2024 (Intermediate) | Details |
| Standard | 2 | Braaf, J (Jordan) | 2 | 0 | 2 | North District School Trials 2024 (U13 Boys) | Western Cape Schools - Top Schools 2026 (U15 Mix) | Details |
| Standard | 3 | Wang, Z (Zi Ang) | 2 | 0 | 2 | North District School Trials 2023 (U11 Boys) | CT Metro North Schools Chess Individual Trials 2025 (U13 Open) | Details |
| Rapid | 1 | Sher, J (Jonah) | 4 | 3 | 1 | Laerskool Welgemoed Rapid 2023 (U12) | Laerskool Welgemoed Rapid 2024 (U14) | Details |
| Rapid | 2 | Mputing, T (Thando) | 3 | 1 | 2 | Cape Town Open 2023 (U12) | Steinitz Festival 2025 (U14) | Details |
| Rapid | 3 | Calitz, S (Steyn) | 3 | 2 | 1 | Laerskool Welgemoed Rapid 2023 (U12) | Steinitz Festival 2025 (U14) | Details |
| Rapid | 4 | Fourie, R (Ruan) | 3 | 1 | 2 | Cape Town Open Rapid Chess Championship 2024 (U12) | Steinitz Festival 2025 (U14) | Details |
| Rapid | 5 | Waldeck, A (Aaron) | 2 | 2 | 0 | CBC Rapid Chess Tournament 2024 (U12) | Steinitz Festival 2025 (U14) | Details |