PLAYER PAGE
Jiayi Xu
1180303499Buffalo City (EBC)Personal
Main rating
| Rating | 1277.3 |
| K-factor | 36 |
| Floor | 777.3 |
| Highest | 1302.7 (2024-08-01) |
| Min/Max +/- allowed | 143 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.25 |
| SWe | 0.62 |
| Temp +/- | 22.3 |
| Penalties | 0 |
| Weight perform | 1295.6 |
| Final +/- | 22.3 |
| New Rating () | |
| Rating | 1299.6 |
| K-factor | 36 |
| Floor | 777.3 |
| Highest | 1302.7 (2024-08-01) |
| Min/Max +/- allowed | 143.2 |
Standard rating
| Rating | 1288.6 |
| K-factor | 36 |
| Floor | 788.6 |
| Highest | 1298.8 (2024-08-01) |
| Min/Max +/- allowed | 144 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 2.3 |
| SWe | 0.7 |
| Temp +/- | 25.3 |
| Penalties | 0 |
| Weight perform | 1295.6 |
| Final +/- | 25.3 |
| New Rating () | |
| Rating | 1313.8 |
| K-factor | 36 |
| Floor | 813.8 |
| Highest | 1313.8 (2026-03-01) |
| Min/Max +/- allowed | 141 |
Rapid rating
| Rating | 1199 |
| 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 | 1199 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| 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 | 1200 |
| 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 | 2026 Buffalo City Chess Trials 2 (U8+U10 Boys) | Standard | 2026-02-28 | 2026-02-28 | Buffalo City | 5 | 1277.3 | 5 | 3 | 1411.7 | 22.3 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Buffalo City Chess Trials 1 (U8+U10) | Standard | 2026-02-07 | 2026-02-07 | Buffalo City (EBC) | 5 | 1240.3 | 5 | 3 | 1444.2 | 0 | Details |
| 2 | Chess Vikings Trials 2 2025 (D) | Standard | 2025-10-18 | 2025-10-18 | Buffalo City (EBC) | 5 | 1253.1 | 5 | 2 | 1173.5 | 0 | Details |
| 3 | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Standard | 2025-08-16 | 2025-08-16 | Buffalo City (EBC) | 5 | 1218.3 | 4 | 1 | 1060.7 | 0 | Details |
| 4 | 3rd Chess Vikings Open Championship 2025 (D) | Standard | 2025-08-02 | 2025-08-02 | Buffalo City (EBC) | 6 | 1218.3 | 6 | 4 | 1341.9 | 0 | Details |
| 5 | BC Schools Chess Festival 2025 (U7) | Standard | 2025-07-26 | 2025-07-26 | Buffalo City (EBC) | 7 | 1218.3 | 5 | 3 | 1402.5 | 0 | Details |
| 6 | Beacon Bay Winter Cup 2025 (C) | Rapid | 2025-07-09 | 2025-07-09 | Buffalo City (EBC) | 6 | 1218.4 | 6 | 2 | 1172.7 | 0 | Details |
| 7 | Vikings Holiday 2025 (D) | Standard | 2025-04-05 | 2025-04-05 | Buffalo City (EBC) | 6 | 1217.6 | 5 | 1 | 1015.7 | 0 | Details |
| 8 | 2025 Buffalo City Chess Trials 1 (U8) | Standard | 2025-03-22 | 2025-03-22 | Buffalo City (EBC) | 5 | 1217.6 | 4 | 0 | 798.9 | 0 | Details |
| 9 | Rapid Feb 2nd Leg 2025 (U8+U10) | Rapid | 2025-02-22 | 2025-02-22 | Buffalo City (EBC) | 7 | 1214.9 | 7 | 3.5 | 1200.7 | 0 | Details |
| 10 | EL Junior Closed 2024 (U10) | Standard | 2024-11-23 | 2024-11-23 | Buffalo City (EBC) | 5 | 1264 | 4 | 0 | 765.5 | 0 | Details |
| 11 | East London Open 2024 (C) | Standard | 2024-11-05 | 2024-11-05 | Buffalo City (EBC) | 6 | 1243.3 | 5 | 3 | 1349.8 | 0 | Details |
| 12 | 5th BC Trails 2024 (U10B) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1211.6 | 5 | 2 | 1089.9 | 0 | Details |
| 13 | 5th BC Trails 2024 (U10B) | Standard | 2024-08-17 | 2024-08-17 | Buffalo City (EBC) | 5 | 1211.6 | 5 | 4.5 | 1514.9 | 0 | Details |
| 14 | 4th BC Trials 2024 (U10B) | Standard | 2024-06-08 | 2024-06-08 | Buffalo City (EBC) | 5 | 1194 | 5 | 3 | 1276.4 | 0 | Details |
| 15 | 3rd BC Trials 2024 (U10B) | Standard | 2024-05-11 | 2024-05-11 | Buffalo City (EBC) | 5 | 1200 | 5 | 2.5 | 1174.1 | 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 | 0 |
| Losses | 4 |
| White | 5 |
| Black | 5 |
| White wins | 4 |
| Black wins | 2 |
| Score | 6 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1343 |
| Performance | 1428 |
Game statistics (History)
| Games | 81 |
| Wins | 35 |
| Draws | 5 |
| Losses | 41 |
| White | 47 |
| Black | 44 |
| White wins | 19 |
| Black wins | 22 |
| Score | 37.5 |
| Percent | 46.3 |
| Dp | -31.5 |
| AOR | 1244.5 |
| Performance | 1213 |
Rankings (Main)
| National | |
| Overall | 6927 |
| Gender | 5693 |
| Age group | 239 |
| Gender/Age | 188 |
| Provincial | |
| Overall | 703 |
| Gender | 594 |
| Age group | 22 |
| Gender/Age | 18 |
| Regional | |
| Overall | 228 |
| Gender | 190 |
| Age group | 13 |
| Gender/Age | 11 |
Rankings (Standard)
| National | |
| Overall | 5714 |
| Gender | 4667 |
| Age group | 198 |
| Gender/Age | 150 |
| Provincial | |
| Overall | 614 |
| Gender | 513 |
| Age group | 18 |
| Gender/Age | 14 |
| Regional | |
| Overall | 208 |
| Gender | 169 |
| Age group | 12 |
| Gender/Age | 10 |
Rankings (Rapid)
| National | |
| Overall | 4447 |
| Gender | 3458 |
| Age group | 210 |
| Gender/Age | 154 |
| Provincial | |
| Overall | 430 |
| Gender | 352 |
| Age group | 15 |
| Gender/Age | 12 |
| Regional | |
| Overall | 138 |
| Gender | 106 |
| Age group | 11 |
| Gender/Age | 8 |
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 | 10 |
| Score | 6 |
| Percent | 60 |
| Aor | 1343 |
| Dp | 85 |
| Prat | 1428 |
Performance (12 months)
| Games | 45 |
| Score | 19 |
| Percent | 42.2 |
| Aor | 1283.1 |
| Dp | -66.1 |
| Prat | 1217 |
Performance (History)
| Games | 81 |
| Score | 37.5 |
| Percent | 46.3 |
| Aor | 1244.5 |
| Dp | -31.5 |
| Prat | 1213 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Weng, J (Junjie) | 6 | 4 | 2 | Rapid Feb 2nd Leg 2025 (U8+U10) | 2026 Buffalo City Chess Trials 1 (U8+U10) | Details |
| Overall | 2 | Makgaila, M (Moagi) | 5 | 2 | 3 | EL Junior Closed 2024 (U10) | 2026 Buffalo City Chess Trials 2 (U8+U10 Boys) | Details |
| Overall | 3 | Coetzee, N (Niki) | 3 | 1 | 2 | 2025 Buffalo City Chess Trials 1 (U8) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Overall | 4 | Zhang, N (Nathan) | 3 | 2 | 1 | Rapid Feb 2nd Leg 2025 (U8+U10) | Beacon Bay Winter Cup 2025 (C) | Details |
| Overall | 5 | Mgudlwa, O (Okuhle) | 3 | 2 | 1 | Rapid Feb 2nd Leg 2025 (U8+U10) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Standard | 1 | Weng, J (Junjie) | 5 | 3 | 2 | 2025 Buffalo City Chess Trials 1 (U8) | 2026 Buffalo City Chess Trials 1 (U8+U10) | Details |
| Standard | 2 | Makgaila, M (Moagi) | 5 | 2 | 3 | EL Junior Closed 2024 (U10) | 2026 Buffalo City Chess Trials 2 (U8+U10 Boys) | Details |
| Standard | 3 | Coetzee, N (Niki) | 3 | 1 | 2 | 2025 Buffalo City Chess Trials 1 (U8) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Standard | 4 | Naidoo, N (Nadeema) | 2 | 0 | 2 | Vikings Holiday 2025 (D) | 3rd Chess Vikings Open Championship 2025 (D) | Details |
| Standard | 5 | Khonza, M (Melothando Lisokuhle) | 2 | 1 | 1 | BC Schools Chess Festival 2025 (U7) | Buffalo City Chess Junior Closed 2025 (U8 Open+Girls) | Details |
| Rapid | 1 | Zhang, N (Nathan) | 2 | 2 | 0 | Rapid Feb 2nd Leg 2025 (U8+U10) | Beacon Bay Winter Cup 2025 (C) | Details |