PLAYER PAGE
Yi Zheng
1110140745Cape Winelands (WCW)Personal
Main rating
| Rating | 1386.7 |
| K-factor | 32 |
| Floor | 930.7 |
| Highest | 1520.3 (2024-04-01) |
| Min/Max +/- allowed | 105 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1388 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1386.7 |
| K-factor | 32 |
| Floor | 930.7 |
| Highest | 1520.3 (2024-04-01) |
| Min/Max +/- allowed | 105.1 |
Standard rating
| Rating | 1375.6 |
| K-factor | 32 |
| Floor | 922.1 |
| Highest | 1422.1 (2025-01-01) |
| Min/Max +/- allowed | 120.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1388 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1375.6 |
| K-factor | 32 |
| Floor | 922.1 |
| Highest | 1422.1 (2025-01-01) |
| Min/Max +/- allowed | 120.8 |
Rapid rating
| Rating | 1365 |
| K-factor | 32 |
| Floor | 932 |
| Highest | 1464.9 (2022-05-01) |
| Min/Max +/- allowed | 113.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1171.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1365 |
| K-factor | 32 |
| Floor | 932 |
| Highest | 1464.9 (2022-05-01) |
| Min/Max +/- allowed | 113.7 |
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 | CT Metro District East Schools Chess Individuals Trials 2026 (U15 Boys) | Standard | 2026-02-07 | 2026-02-08 | Cape Town (WCT) | 6 | 1381.1 | 6 | 4 | 1443.2 | 0 | Details |
| 2 | COGH 2026 (Intermediate) | Standard | 2026-01-31 | 2026-02-01 | Cape Town (WCT) | 6 | 1381.1 | 6 | 3.5 | 1312.9 | 0 | Details |
| 3 | Helderberg Chess Club Open 2026 (B) | Standard | 2026-01-17 | 2026-01-17 | Cape Town (WCT) | 5 | 1370.7 | 5 | 3 | 1432.8 | 0 | Details |
| 4 | Chess Elevation Series 1 2026 (Level 3) | Standard | 2026-01-08 | 2026-01-09 | Cape Town (WCT) | 6 | 1370.7 | 6 | 4 | 1601.1 | 0 | Details |
| 5 | UCT Open Chess Championship 2025 (Intermediate) | Standard | 2025-10-11 | 2025-10-12 | Cape Town (WCT) | 6 | 1382.7 | 6 | 2 | 1100 | 0 | Details |
| 6 | Western Cape Schools - Top Schools 2025 (U15) | Standard | 2025-09-06 | 2025-09-07 | Overberg (WOS) | 6 | 1377.6 | 3 | 2 | 1571.9 | 0 | Details |
| 7 | CT Metro District East Top Schools Chess 2025 (U15) | Standard | 2025-08-02 | 2025-08-03 | Cape Town (WCT) | 5 | 1376.6 | 2 | 1 | 1200 | 0 | Details |
| 8 | 4th Curro Durbanville Rapid Open 2025 (Intermediate) | Rapid | 2025-07-19 | 2025-07-19 | Cape Town (WCT) | 7 | 1373.7 | 6 | 4 | 1357.8 | 0 | Details |
| 9 | Helderberg Chess Club Open 2025 (B) | Standard | 2025-06-07 | 2025-06-08 | Cape Town (WCT) | 6 | 1382.7 | 6 | 2.5 | 1245.8 | 0 | Details |
| 10 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1365.3 | 6 | 3 | 1458.8 | 0 | Details |
| 11 | Cape Town Open Chess Festival 2025 (C) | Standard | 2025-03-22 | 2025-03-23 | Cape Town (WCT) | 6 | 1394.5 | 6 | 2.5 | 1139.1 | 0 | Details |
| 12 | CT Metro Schools Individual Closed 2025 (U15 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1394.5 | 6 | 3.5 | 1403 | 0 | Details |
| 13 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Standard | 2025-02-01 | 2025-02-02 | Cape Town (WCT) | 6 | 1393.9 | 6 | 4 | 1395.8 | 0 | Details |
| 14 | 2025 Kraaifontein Open Chess Championships (Advanced) | Standard | 2025-01-04 | 2025-01-05 | Cape Town (WCT) | 6 | 1430.7 | 6 | 2 | 1243.7 | 0 | Details |
| 15 | 2nd Strategize To Win Round-Robin Tournament ACL 2024 (E) | Standard | 2024-12-07 | 2024-12-07 | Cape Town (WCT) | 5 | 1391.4 | 5 | 4 | 1636.9 | 0 | Details |
| 16 | Grant East Annual Primary School Invitational Chess Tournament 2024 (U13) | Standard | 2024-10-05 | 2024-10-05 | Cape Town (WCT) | 5 | 1376.8 | 5 | 3 | 1463.5 | 0 | Details |
| 17 | Chess Elevation Series -September 2024 (Open) | Standard | 2024-09-20 | 2024-09-21 | Cape Town (WCT) | 5 | 1405.5 | 4 | 1.5 | 1186.8 | 0 | Details |
| 18 | Curro Durbanville Chess Rapid Open 2024 (Intermediate) | Rapid | 2024-07-13 | 2024-07-13 | Cape Town (WCT) | 6 | 1422.1 | 6 | 3 | 1241.9 | 0 | Details |
| 19 | Chess Elevation Series - July 2024 (Level 3) | Standard | 2024-07-05 | 2024-07-06 | Cape Town (WCT) | 5 | 1422.1 | 5 | 3.5 | 1473.9 | 0 | Details |
| 20 | Rylib Winter Slam 2024 (Championship) | Rapid | 2024-06-19 | 2024-06-19 | Cape Town (WCT) | 6 | 1421.5 | 6 | 1.5 | 1282.4 | 0 | Details |
| 21 | 4th BC Trials 2024 (U10B) | Standard | 2024-06-08 | 2024-06-08 | Buffalo City (EBC) | 5 | 1421.5 | 0 | 0 | 0 | 0 | Details |
| 22 | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | Standard | 2024-06-15 | 2024-06-16 | Cape Town (WCT) | 6 | 1421.5 | 6 | 4 | 1497.8 | 0 | Details |
| 23 | Cape Town Junior League Finals 2024 (U13 Open A) | Rapid | 2024-05-18 | 2024-05-18 | Cape Town (WCT) | 5 | 1373 | 5 | 4 | 1511.5 | 0 | Details |
| 24 | Western Cape PS Individuals Championship 2024 (U13 Boys) | Standard | 2024-05-04 | 2024-05-05 | West Coast (WCU) | 6 | 1373 | 6 | 3 | 1396.4 | 0 | Details |
| 25 | Cape Town Junior League - Qualifier 2 2024 (U13) | Rapid | 2024-04-20 | 2024-04-20 | Cape Town (WCT) | 6 | 1373 | 4 | 4 | 1719.8 | 0 | Details |
| 26 | Cape Town Junior League Qualifier 2024 (U13 Open) | Rapid | 2024-04-06 | 2024-04-06 | Cape Town (WCT) | 6 | 1355.3 | 6 | 5 | 1483.5 | 0 | Details |
| 27 | Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) | Standard | 2024-03-02 | 2024-03-03 | Cape Town (WCT) | 6 | 1275.2 | 6 | 5 | 1656.9 | 0 | Details |
| 28 | CT District East Schools Chess Individuals Trails 2024 (U13 Boys) | Standard | 2024-02-03 | 2024-02-03 | Cape Town (WCT) | 5 | 1227.7 | 5 | 4 | 1490.6 | 0 | Details |
| 29 | Kraaifontein Open 2023 (Open) | Rapid | 2023-12-10 | 2023-12-10 | Cape Town (WCT) | 6 | 1306.8 | 5 | 1 | 1196.6 | 0 | Details |
| 30 | Kraaifontein Open 2023 (U14) | Rapid | 2023-12-09 | 2023-12-09 | Cape Town (WCT) | 6 | 1306.8 | 6 | 0 | 889.7 | 0 | Details |
| 31 | Western Cape Closed Championship 2023 (U14) | Rapid | 2023-09-23 | 2023-09-23 | Cape Town (WCT) | 6 | 1314.4 | 6 | 2.5 | 1260.1 | 0 | Details |
| 32 | Curro Durbanville Chess Open Rapid 2023 (U14) | Rapid | 2023-07-15 | 2023-07-15 | Cape Town (WCT) | 6 | 1332 | 6 | 3 | 1225.1 | 0 | Details |
| 33 | WP Closed 2023 (U14) | Standard | 2023-06-16 | 2023-06-17 | Cape Town (WCT) | 6 | 1320.1 | 6 | 3 | 1360.9 | 0 | Details |
| 34 | Rhenish Primary Tournament 2023 (U14) | Rapid | 2023-05-13 | 2023-05-13 | Cape Winelands (WCW) | 6 | 1283.6 | 5 | 4.5 | 1576.6 | 0 | Details |
| 35 | Cape Town Open 2023 (U14) | Rapid | 2023-03-25 | 2023-03-25 | Cape Town (WCT) | 6 | 1241.2 | 6 | 5 | 1551.3 | 0 | Details |
| 36 | District East Schools Chess Individual Trials 2023 (U13 Boys) | Standard | 2023-02-03 | 2023-02-04 | Cape Town (WCT) | 6 | 1245.1 | 6 | 3 | 1224.1 | 0 | Details |
| 37 | Kraaifontein Open 2022 (Intermediate) | Standard | 2022-12-17 | 2022-12-18 | Cape Town (WCT) | 6 | 1232.5 | 5 | 1.5 | 1191.4 | 0 | Details |
| 38 | Kraaifontein Rapid Open 2022 (U12) | Rapid | 2022-12-16 | 2022-12-16 | Cape Town (WCT) | 6 | 1232.5 | 5 | 3 | 1392.4 | 0 | Details |
| 39 | Metro Rapid 2022 (U11 Boys) | Rapid | 2022-10-22 | 2022-10-22 | Cape Town (WCT) | 5 | 1236.2 | 4 | 2 | 1197.8 | 0 | Details |
| 40 | Rhenish Primary Tournament 2022 (U12) | Rapid | 2022-05-14 | 2022-05-14 | Cape Winelands (WCW) | 5 | 1200 | 5 | 4 | 1449.1 | 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 | 23 |
| Wins | 14 |
| Draws | 1 |
| Losses | 8 |
| White | 11 |
| Black | 12 |
| White wins | 7 |
| Black wins | 7 |
| Score | 14.5 |
| Percent | 63 |
| Dp | 110.9 |
| AOR | 1337.3 |
| Performance | 1448.2 |
Game statistics (History)
| Games | 210 |
| Wins | 109 |
| Draws | 20 |
| Losses | 81 |
| White | 108 |
| Black | 102 |
| White wins | 59 |
| Black wins | 50 |
| Score | 119 |
| Percent | 56.7 |
| Dp | 56.7 |
| AOR | 1311.1 |
| Performance | 1367.8 |
Rankings (Main)
| National | |
| Overall | 3568 |
| Gender | 3018 |
| Age group | 507 |
| Gender/Age | 397 |
| Provincial | |
| Overall | 1081 |
| Gender | 881 |
| Age group | 146 |
| Gender/Age | 109 |
| Regional | |
| Overall | 159 |
| Gender | 119 |
| Age group | 30 |
| Gender/Age | 21 |
Rankings (Standard)
| National | |
| Overall | 3430 |
| Gender | 2876 |
| Age group | 512 |
| Gender/Age | 400 |
| Provincial | |
| Overall | 983 |
| Gender | 786 |
| Age group | 141 |
| Gender/Age | 104 |
| Regional | |
| Overall | 143 |
| Gender | 104 |
| Age group | 25 |
| Gender/Age | 19 |
Rankings (Rapid)
| National | |
| Overall | 1100 |
| Gender | 930 |
| Age group | 212 |
| Gender/Age | 159 |
| Provincial | |
| Overall | 550 |
| Gender | 452 |
| Age group | 106 |
| Gender/Age | 78 |
| Regional | |
| Overall | 77 |
| Gender | 58 |
| Age group | 21 |
| 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 | 23 |
| Score | 14.5 |
| Percent | 63 |
| Aor | 1337.3 |
| Dp | 110.9 |
| Prat | 1448.2 |
Performance (12 months)
| Games | 58 |
| Score | 31.5 |
| Percent | 54.3 |
| Aor | 1312.2 |
| Dp | 36.6 |
| Prat | 1348.8 |
Performance (History)
| Games | 210 |
| Score | 119 |
| Percent | 56.7 |
| Aor | 1311.1 |
| Dp | 56.7 |
| Prat | 1367.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Spence, B (Brian) | 4 | 2 | 2 | Kraaifontein Rapid Open 2022 (U12) | Cape Town Chess Federation Closed Chess Championships 2024 (U14) | Details |
| Overall | 2 | Guo, A (Aleks) | 4 | 3 | 1 | Kraaifontein Rapid Open 2022 (U12) | Western Cape PS Individuals Championship 2024 (U13 Boys) | Details |
| Overall | 3 | Geduld, C (Connor Seth) | 3 | 2 | 1 | Chess Elevation Series -September 2024 (Open) | Helderberg Chess Club Open 2026 (B) | Details |
| Overall | 4 | Ramonyaluoe, M (Madalitso) | 2 | 2 | 0 | 2nd Strategize To Win Round-Robin Tournament ACL 2024 (E) | Chess Elevation Series 1 2026 (Level 3) | Details |
| Overall | 5 | Janse Van Rensburg, D (Daniel) | 2 | 0 | 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Helderberg Chess Club Open 2025 (B) | Details |
| Standard | 1 | Geduld, C (Connor Seth) | 3 | 2 | 1 | Chess Elevation Series -September 2024 (Open) | Helderberg Chess Club Open 2026 (B) | Details |
| Standard | 2 | Guo, A (Aleks) | 3 | 2 | 1 | Kraaifontein Open 2022 (Intermediate) | Western Cape PS Individuals Championship 2024 (U13 Boys) | Details |
| Standard | 3 | Ramonyaluoe, M (Madalitso) | 2 | 2 | 0 | 2nd Strategize To Win Round-Robin Tournament ACL 2024 (E) | Chess Elevation Series 1 2026 (Level 3) | Details |
| Standard | 4 | Hagan, T (Tristin) | 2 | 2 | 0 | District East Schools Chess Individual Trials 2023 (U13 Boys) | 2025 Kraaifontein Open Chess Championships (Advanced) | Details |
| Standard | 5 | Janse Van Rensburg, D (Daniel) | 2 | 0 | 2 | CT Metro District East Schools Chess Individuals Trials 2025 (U15 Boys) | Helderberg Chess Club Open 2025 (B) | Details |
| Rapid | 1 | Spence, B (Brian) | 3 | 2 | 1 | Kraaifontein Rapid Open 2022 (U12) | Cape Town Junior League Qualifier 2024 (U13 Open) | Details |
| Rapid | 2 | Sedick, S (Shafeeqa) | 2 | 0 | 2 | Rhenish Primary Tournament 2022 (U12) | Curro Durbanville Chess Open Rapid 2023 (U14) | Details |
| Rapid | 3 | Dainton, M (Michael) | 2 | 2 | 0 | Cape Town Open 2023 (U14) | Western Cape Closed Championship 2023 (U14) | Details |
| Rapid | 4 | Rogov, E (Evgenij) | 2 | 2 | 0 | Kraaifontein Open 2023 (Open) | Rylib Winter Slam 2024 (Championship) | Details |
| Rapid | 5 | Chilumba, C (Cornelius) | 2 | 1 | 1 | Cape Town Junior League Qualifier 2024 (U13 Open) | Cape Town Junior League - Qualifier 2 2024 (U13) | Details |