PLAYER PAGE
Zheyi Xu
1150149011Buffalo City (EBC)Personal
Main rating
| Rating | 1435.9 |
| K-factor | 32 |
| Floor | 935.9 |
| Highest | 1435.9 (2026-02-28) |
| Min/Max +/- allowed | 118 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.58 |
| SWe | -0.48 |
| Temp +/- | -15.4 |
| Penalties | 0 |
| Weight perform | 1414.3 |
| Final +/- | -15.4 |
| New Rating () | |
| Rating | 1420.5 |
| K-factor | 32 |
| Floor | 935.9 |
| Highest | 1435.9 (2026-02-28) |
| Min/Max +/- allowed | 118.5 |
Standard rating
| Rating | 1460.9 |
| K-factor | 32 |
| Floor | 960.9 |
| Highest | 1460.9 (2026-02-28) |
| Min/Max +/- allowed | 114.3 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.77 |
| SWe | -0.77 |
| Temp +/- | -24.8 |
| Penalties | 0 |
| Weight perform | 1414.3 |
| Final +/- | -24.8 |
| New Rating () | |
| Rating | 1436.2 |
| K-factor | 32 |
| Floor | 960.9 |
| Highest | 1460.9 (2026-02-28) |
| Min/Max +/- allowed | 114.3 |
Rapid rating
| Rating | 1317.6 |
| K-factor | 36 |
| Floor | 861.9 |
| Highest | 1504.6 (2023-06-01) |
| Min/Max +/- allowed | 107.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1219.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1317.6 |
| K-factor | 36 |
| Floor | 861.9 |
| Highest | 1504.6 (2023-06-01) |
| Min/Max +/- allowed | 107.4 |
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 |
| 1 | Vikings Rapid 2026 (B) | Rapid | 2026-02-21 | 2026-02-21 | Buffalo City (EBC) | 8 | 1435.9 | 8 | 5.5 | 1399.4 | -4 | Details |
| 2 | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Standard | 2026-02-28 | 2026-02-28 | Buffalo City | 5 | 1435.9 | 5 | 3 | 1342.4 | -15.4 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 1 (U12) | Standard | 2026-02-07 | 2026-02-07 | Buffalo City (EBC) | 5 | 1404.9 | 5 | 4 | 1595.5 | 0 | Details |
| 2 | Chess Vikings Trials 2 2025 (C) | Standard | 2025-10-18 | 2025-10-18 | Buffalo City (EBC) | 5 | 1388.1 | 5 | 3 | 1490.7 | 0 | Details |
| 3 | Buffalo City Chess Junior Closed 2025 (U12 Open) | Standard | 2025-08-16 | 2025-08-16 | Buffalo City (EBC) | 5 | 1380.8 | 5 | 2 | 1324.3 | 0 | Details |
| 4 | BC Schools Chess Festival 2025 (U11 Open) | Standard | 2025-07-26 | 2025-07-26 | Buffalo City (EBC) | 5 | 1380.7 | 5 | 3.5 | 1464.2 | 0 | Details |
| 5 | Beacon Bay Winter Cup 2025 (B) | Rapid | 2025-07-09 | 2025-07-09 | Buffalo City (EBC) | 6 | 1377.9 | 6 | 4 | 1397 | 0 | Details |
| 6 | 2nd Vikings Classical 2025 (C) | Standard | 2025-05-24 | 2025-05-24 | Buffalo City (EBC) | 5 | 1379.7 | 5 | 3 | 1375.9 | 0 | Details |
| 7 | 2025 Buffalo City Chess Trials 3 (U12) | Standard | 2025-05-10 | 2025-05-10 | Buffalo City (EBC) | 5 | 1351.6 | 5 | 4 | 1522.5 | 0 | Details |
| 8 | EC Open 2025 (U8-U14 Boys) | Standard | 2025-05-02 | 2025-05-02 | Buffalo City (EBC) | 7 | 1351.6 | 7 | 3 | 1314.6 | 0 | Details |
| 9 | Vikings Holiday 2025 (Rapid B) | Rapid | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 5 | 1326.8 | 5 | 2 | 1224.1 | 0 | Details |
| 10 | Vikings Holiday 2025 (Blitz B) | Blitz | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 7 | 1326.8 | 5 | 3 | 1297.9 | 0 | Details |
| 11 | Vikings Holiday 2025 (C) | Standard | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 5 | 1326.8 | 1 | 1 | 1661.7 | 0 | Details |
| 12 | 2025 Buffalo City Chess Trials 2 (U12) | Standard | 2025-04-12 | 2025-04-12 | Buffalo City (EBC) | 5 | 1326.8 | 5 | 3 | 1361.9 | 0 | Details |
| 13 | 2025 Buffalo City Chess Trials 1 (U12) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1326.8 | 5 | 3 | 1417 | 0 | Details |
| 14 | Rapid Feb 2nd Leg 2025 (U12) | Rapid | 2025-02-22 | 2025-02-22 | Buffalo City (EBC) | 7 | 1300.2 | 7 | 6 | 1566.7 | 0 | Details |
| 15 | NMBCU vs BCC Derby Chess Invitational 2025 (U10) | Standard | 2025-01-10 | 2025-01-11 | Nelson Mandela Bay (ENM) | 5 | 1326.1 | 5 | 1 | 1186.1 | 0 | Details |
| 16 | NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) | Blitz | 2025-01-12 | 2025-01-12 | Nelson Mandela Bay (ENM) | 9 | 1326.1 | 9 | 4.5 | 1297.1 | 0 | Details |
| 17 | East London Open 2024 (C) | Standard | 2024-11-05 | 2024-11-05 | Buffalo City (EBC) | 6 | 1326.4 | 5 | 3 | 1330.3 | 0 | Details |
| 18 | 5th BC Trails 2024 (U10A) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1278.3 | 5 | 4 | 1428.9 | 0 | Details |
| 19 | Hackers Open 2024 (C) | Standard | 2024-08-10 | 2024-08-10 | Buffalo City (EBC) | 5 | 1278.3 | 5 | 3 | 1280.5 | 0 | Details |
| 20 | Hackers Open 2024 (Blitz) | Blitz | 2024-08-11 | 2024-08-11 | Buffalo City (EBC) | 7 | 1278.3 | 0 | 0 | 0 | 0 | Details |
| 21 | 4th BC Trials 2024 (U10A) | Standard | 2024-06-08 | 2024-06-08 | Buffalo City (EBC) | 5 | 1253 | 5 | 3 | 1370.6 | 0 | Details |
| 22 | 3rd BC Trials 2024 (U10A) | Standard | 2024-05-11 | 2024-05-11 | Buffalo City (EBC) | 5 | 1242.2 | 5 | 3 | 1310.1 | 0 | Details |
| 23 | UFH Open 2024 (C) | Standard | 2024-04-13 | 2024-04-13 | Amathole (EAL) | 5 | 1241 | 5 | 3 | 1254.4 | 0 | Details |
| 24 | 2nd BC Trials 2024 (U10A) | Standard | 2024-03-09 | 2024-03-09 | Buffalo City (EBC) | 5 | 1229.9 | 5 | 2.5 | 1286.4 | 0 | Details |
| 25 | Chess Vikings Exam Rapid 2023 (C) | Rapid | 2023-11-04 | 2023-11-04 | Buffalo City (EBC) | 7 | 1215.7 | 7 | 4 | 1322.4 | 0 | Details |
| 26 | BC 5th Trials 2023 (U10A) | Standard | 2023-09-02 | 2023-09-02 | Buffalo City (EBC) | 5 | 1215.7 | 0 | 0 | 0 | 0 | Details |
| 27 | 3rd BC Trials 2023 (U10A) | Standard | 2023-08-12 | 2023-08-12 | Buffalo City (EBC) | 5 | 1250.7 | 4 | 1 | 999.2 | 0 | Details |
| 28 | 2nd BC Trials 2023 (U10B) | Rapid | 2023-06-03 | 2023-06-03 | Buffalo City (EBC) | 7 | 1193.3 | 7 | 6 | 1488.9 | 0 | Details |
| 29 | BC Chess Trials 1 of 5 2023 (U10B) | Standard | 2023-04-22 | 2023-04-22 | Buffalo City (EBC) | 5 | 1173.7 | 5 | 3 | 1267.7 | 0 | Details |
| 30 | 3rd Vikings Champs 2023 (U10C+U12C) | Standard | 2023-03-25 | 2023-03-25 | Buffalo City (EBC) | 5 | 1160.8 | 5 | 3 | 1232.9 | 0 | Details |
| 31 | Little Vikings 2023 (U10B+U12B) | Standard | 2023-02-11 | 2023-02-11 | Buffalo City (EBC) | 5 | 1200 | 5 | 1.5 | 1005.1 | 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 | 10 |
| Wins | 6 |
| Draws | 2 |
| Losses | 2 |
| White | 5 |
| Black | 5 |
| White wins | 3 |
| Black wins | 3 |
| Score | 7 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1299 |
| Performance | 1469 |
Game statistics (History)
| Games | 158 |
| Wins | 90 |
| Draws | 6 |
| Losses | 62 |
| White | 80 |
| Black | 78 |
| White wins | 52 |
| Black wins | 38 |
| Score | 93 |
| Percent | 58.9 |
| Dp | 75.3 |
| AOR | 1269.1 |
| Performance | 1344.4 |
Rankings (Main)
| National | |
| Overall | 2648 |
| Gender | 2274 |
| Age group | 176 |
| Gender/Age | 143 |
| Provincial | |
| Overall | 292 |
| Gender | 254 |
| Age group | 24 |
| Gender/Age | 20 |
| Regional | |
| Overall | 97 |
| Gender | 80 |
| Age group | 9 |
| Gender/Age | 6 |
Rankings (Standard)
| National | |
| Overall | 2077 |
| Gender | 1796 |
| Age group | 138 |
| Gender/Age | 113 |
| Provincial | |
| Overall | 237 |
| Gender | 208 |
| Age group | 19 |
| Gender/Age | 15 |
| Regional | |
| Overall | 84 |
| Gender | 69 |
| Age group | 7 |
| Gender/Age | 4 |
Rankings (Rapid)
| National | |
| Overall | 1680 |
| Gender | 1398 |
| Age group | 192 |
| Gender/Age | 153 |
| Provincial | |
| Overall | 156 |
| Gender | 134 |
| Age group | 18 |
| Gender/Age | 15 |
| Regional | |
| Overall | 42 |
| Gender | 36 |
| Age group | 6 |
| Gender/Age | 5 |
Rankings (Blitz)
| National | |
| Overall | 468 |
| Gender | 423 |
| Age group | 21 |
| Gender/Age | 17 |
| Provincial | |
| Overall | 54 |
| Gender | 51 |
| Age group | 6 |
| Gender/Age | 6 |
| Regional | |
| Overall | 23 |
| Gender | 21 |
| Age group | 3 |
| Gender/Age | 3 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 10 |
| Score | 7 |
| Percent | 70 |
| Aor | 1299 |
| Dp | 170 |
| Prat | 1469 |
Performance (12 months)
| Games | 69 |
| Score | 41.5 |
| Percent | 60.1 |
| Aor | 1309.8 |
| Dp | 86.2 |
| Prat | 1396.1 |
Performance (History)
| Games | 158 |
| Score | 93 |
| Percent | 58.9 |
| Aor | 1269.1 |
| Dp | 75.3 |
| Prat | 1344.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Lin, Y (Yifan) | 8 | 4 | 4 | Hackers Open 2024 (C) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Overall | 2 | Krouse, L (Logan) | 5 | 3 | 2 | East London Open 2024 (C) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Overall | 3 | Coetzee, T (Tristan) | 5 | 3 | 2 | 3rd BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 1 (U12) | Details |
| Overall | 4 | Mxabo, M (Masonwabe) | 4 | 1 | 3 | Chess Vikings Exam Rapid 2023 (C) | 4th BC Trials 2024 (U10A) | Details |
| Overall | 5 | Bopi, H (Hlelokuhle) | 4 | 2 | 2 | 2nd BC Trials 2023 (U10B) | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Details |
| Standard | 1 | Lin, Y (Yifan) | 6 | 3 | 3 | Hackers Open 2024 (C) | Buffalo City Chess Junior Closed 2025 (U12 Open) | Details |
| Standard | 2 | Coetzee, T (Tristan) | 4 | 2 | 2 | 3rd BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 1 (U12) | Details |
| Standard | 3 | Gwana, L (Libubomi) | 3 | 1 | 2 | 4th BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 1 (U12) | Details |
| Standard | 4 | Bopi, H (Hlelokuhle) | 3 | 1 | 2 | 3rd BC Trials 2024 (U10A) | 2026 Buffalo City Chess Trials 2 (U12 Boys) | Details |
| Standard | 5 | Mxabo, M (Masonwabe) | 3 | 1 | 2 | 2nd BC Trials 2024 (U10A) | 4th BC Trials 2024 (U10A) | Details |
| Rapid | 1 | James, K (Kyle) | 2 | 1 | 1 | Chess Vikings Exam Rapid 2023 (C) | Rapid Feb 2nd Leg 2025 (U12) | Details |
| Rapid | 2 | Gonya, M (Mvuni) | 2 | 1 | 1 | 2nd BC Trials 2023 (U10B) | Chess Vikings Exam Rapid 2023 (C) | Details |
| Rapid | 3 | Wood, S (Sebastian) | 2 | 2 | 0 | 2nd BC Trials 2023 (U10B) | Rapid Feb 2nd Leg 2025 (U12) | Details |
| Rapid | 4 | Lin, Y (Yifan) | 2 | 1 | 1 | Rapid Feb 2nd Leg 2025 (U12) | Beacon Bay Winter Cup 2025 (B) | Details |