PLAYER PAGE
Rubin Xu
1100318396Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1299.4 |
| K-factor | 36 |
| Floor | 799.4 |
| Highest | 1310.4 (2025-11-30) |
| Min/Max +/- allowed | 142 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1280.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1299.4 |
| K-factor | 36 |
| Floor | 799.4 |
| Highest | 1310.4 (2025-11-30) |
| Min/Max +/- allowed | 141.7 |
Standard rating
| Rating | 1308.2 |
| K-factor | 36 |
| Floor | 808.2 |
| Highest | 1342.3 (2025-11-30) |
| Min/Max +/- allowed | 135.4 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1312.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1308.2 |
| K-factor | 36 |
| Floor | 808.2 |
| Highest | 1342.3 (2025-11-30) |
| Min/Max +/- allowed | 135.4 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| 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 (2025-04-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1192.2 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| 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 | 1192.2 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-04-01) |
| 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 | JCC St Davids Marist Schools League 2025 (B) | Standard | 2025-09-08 | 2025-10-27 | Johannesburg Metro (GJM) | 6 | 1286.3 | 6 | 5 | 1479.2 | 0 | Details |
| 2 | 2025 Gauteng Top Schools Teams (U15) | Standard | 2025-08-30 | 2025-08-30 | Tshwane (GTP) | 5 | 1253.1 | 5 | 2 | 1218.7 | 0 | Details |
| 3 | Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (B) | Standard | 2025-09-27 | 2025-09-27 | Johannesburg Metro (GJM) | 5 | 1253.1 | 5 | 3 | 1304.4 | 0 | Details |
| 4 | Randburg Spring Blitz 2025 | Blitz | 2025-09-23 | 2025-09-23 | Johannesburg Metro (GJM) | 7 | 1225.3 | 6 | 2 | 1271.8 | 0 | Details |
| 5 | Tshwane Chess Club Clash 2025 (Open) | Standard | 2025-09-13 | 2025-09-13 | Tshwane (GTP) | 5 | 1225.3 | 5 | 3 | 1391.4 | 0 | Details |
| 6 | JMC Closed 2025 (C) | Standard | 2025-08-09 | 2025-08-10 | Johannesburg Metro (GJM) | 5 | 1199.6 | 4 | 2 | 1362.6 | 0 | Details |
| 7 | South African Open 2025 (U16 Open) | Classical | 2025-07-03 | 2025-07-05 | Johannesburg Metro (GJM) | 5 | 1199.5 | 5 | 2 | 1203.2 | 0 | Details |
| 8 | Moja Chess Extravaganza 2025 (C) | Classical | 2025-04-26 | 2025-05-01 | Johannesburg Metro (GJM) | 9 | 1200 | 7 | 1 | 1072.5 | 0 | Details |
| 9 | JMC Crawford Sandton 2025 (D) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 1200 | 5 | 2.5 | 1205.4 | 0 | Details |
| 10 | JCC - Dainfern Chess League 2025 (B) | Standard | 2025-02-03 | 2025-03-17 | Johannesburg Metro (GJM) | 6 | 1200 | 0 | 0 | 0 | 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 | 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 (History)
| Games | 48 |
| Wins | 21 |
| Draws | 3 |
| Losses | 24 |
| White | 25 |
| Black | 23 |
| White wins | 10 |
| Black wins | 11 |
| Score | 22.5 |
| Percent | 46.9 |
| Dp | -26.6 |
| AOR | 1299.1 |
| Performance | 1272.5 |
Rankings (Main)
| National | |
| Overall | 6015 |
| Gender | 4972 |
| Age group | 942 |
| Gender/Age | 763 |
| Provincial | |
| Overall | 2031 |
| Gender | 1682 |
| Age group | 358 |
| Gender/Age | 298 |
| Regional | |
| Overall | 553 |
| Gender | 482 |
| Age group | 94 |
| Gender/Age | 84 |
Rankings (Standard)
| National | |
| Overall | 5132 |
| Gender | 4230 |
| Age group | 838 |
| Gender/Age | 681 |
| Provincial | |
| Overall | 1847 |
| Gender | 1525 |
| Age group | 336 |
| Gender/Age | 276 |
| Regional | |
| Overall | 481 |
| Gender | 415 |
| Age group | 81 |
| Gender/Age | 71 |
Rankings (Rapid)
| 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 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 48 |
| Score | 22.5 |
| Percent | 46.9 |
| Aor | 1299.1 |
| Dp | -26.6 |
| Prat | 1272.5 |
Performance (History)
| Games | 48 |
| Score | 22.5 |
| Percent | 46.9 |
| Aor | 1299.1 |
| Dp | -26.6 |
| Prat | 1272.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Steele, SJ (Sangwani Jude) | 2 | 1 | 1 | South African Open 2025 (U16 Open) | JMC Closed 2025 (C) | Details |
| Standard | 1 | Steele, SJ (Sangwani Jude) | 2 | 1 | 1 | South African Open 2025 (U16 Open) | JMC Closed 2025 (C) | Details |