PLAYER PAGE
Joubert Crisswell
1110336366Buffalo City (EBC)Personal
Main rating
| Rating | 1473.1 |
| K-factor | 32 |
| Floor | 973.1 |
| Highest | 1473.1 (2026-09-01) |
| Min/Max +/- allowed | 112 |
| Rating Change () | |
| Games | 20 |
| Score | 9 |
| We | 10.27 |
| SWe | -1.12 |
| Temp +/- | -35.8 |
| Penalties | 0 |
| Weight perform | 1375 |
| Final +/- | -35.8 |
| New Rating () | |
| Rating | 1437.3 |
| K-factor | 32 |
| Floor | 973.1 |
| Highest | 1473.1 (2026-09-01) |
| Min/Max +/- allowed | 112.4 |
Standard rating
| Rating | 1371.4 |
| K-factor | 36 |
| Floor | 871.4 |
| Highest | 1371.4 (2026-09-01) |
| Min/Max +/- allowed | 129.9 |
| Rating Change () | |
| Games | 17 |
| Score | 7.5 |
| We | 6.71 |
| SWe | 0.79 |
| Temp +/- | 28.6 |
| Penalties | 0 |
| Weight perform | 1409.3 |
| Final +/- | +37.9 |
| New Rating () | |
| Rating | 1409.3 |
| K-factor | 32 |
| Floor | 909.3 |
| Highest | 1409.3 (2026-10-01) |
| Min/Max +/- allowed | 123.1 |
Rapid rating
| Rating | 1348.9 |
| K-factor | 36 |
| Floor | 848.9 |
| Highest | 1348.9 (2026-09-01) |
| Min/Max +/- allowed | 134.1 |
| Rating Change () | |
| Games | 3 |
| Score | 1.5 |
| We | 1.93 |
| SWe | -0.43 |
| Temp +/- | -15.5 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -15.5 |
| New Rating () | |
| Rating | 1333.4 |
| K-factor | 36 |
| Floor | 848.9 |
| Highest | 1348.9 (2026-09-01) |
| Min/Max +/- allowed | 134.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199.9 (2026-04-01) |
| 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 | 40 |
| Floor | 700 |
| Highest | 1199.9 (2026-04-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Buffalo City Chess Local Clubs League 2026 (Premier Division) | Standard | 2026-10-17 | 2026-10-24 | Buffalo City (EBC) | 6 | 1473.1 | 6 | 1 | 1289.3 | -36.7 | Details |
| 2 | Buffalo City Open 2026 (B) | Standard | 2026-10-02 | 2026-10-03 | Buffalo City (EBC) | 5 | 1473.1 | 5 | 3 | 1384.2 | -12.8 | Details |
| 3 | Eastern Cape Closed Championship 2026 (U16 Open) | Standard | 2026-09-25 | 2026-09-26 | Sarah Baartman (ESB) | 6 | 1473.1 | 6 | 3.5 | 1553.6 | 15.3 | Details |
| 4 | Eastern Cape Chess Festival 2026 (Inter-Regionals U16) | Rapid | 2026-09-25 | 2026-09-25 | Sarah Baartman (ESB) | 4 | 1473.1 | 3 | 1.5 | 1349.2 | -1.5 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | BCM Schools Chess All Ages Festival 2026 (U15 Open) | Rapid | 2026-07-25 | 2026-07-25 | Buffalo City (EBC) | 6 | 1473.1 | 6 | 3.5 | 1605.8 | 28.5 | Details |
| 2 | 2026 Buffalo City Closed (U16 Boys) | Standard | 2026-08-08 | 2026-08-08 | Buffalo City (EBC) | 5 | 1473.1 | 5 | 2.5 | 1567.3 | 34.6 | Details |
| 3 | 2026 Buffalo City Chess Trials 5 (U16) | Standard | 2026-07-11 | 2026-07-11 | Buffalo City (EBC) | 5 | 1285.9 | 5 | 3 | 1569.3 | 50.7 | Details |
| 4 | 2026 Buffalo City Chess Trials 4 (U16) | Standard | 2026-05-29 | 2026-05-30 | Buffalo City (EBC) | 5 | 1254 | 5 | 3 | 1429.7 | 32 | Details |
| 5 | Legends Rapid Fundraiser 2026 (B) | Rapid | 2026-04-27 | 2026-04-27 | Buffalo City (EBC) | 5 | 1200 | 5 | 3 | 1409.5 | 21.4 | Details |
| 6 | Checkmate Carnival Fundraiser 2026 (Beginners) | Rapid | 2026-04-25 | 2026-04-25 | Buffalo City (EBC) | 6 | 1200 | 6 | 5.5 | 1548.4 | 32.5 | Details |
Game statistics ( )
| Games | 11 |
| Wins | 4 |
| Draws | 0 |
| Losses | 7 |
| White | 4 |
| Black | 7 |
| White wins | 1 |
| Black wins | 3 |
| Score | 4 |
| Percent | 36.4 |
| Dp | -115.9 |
| AOR | 1448.3 |
| Performance | 1332.4 |
Game statistics ()
| Games | 52 |
| Wins | 27 |
| Draws | 5 |
| Losses | 20 |
| White | 24 |
| Black | 28 |
| White wins | 12 |
| Black wins | 15 |
| Score | 29.5 |
| Percent | 56.7 |
| Dp | 57.2 |
| AOR | 1420.3 |
| Performance | 1477.5 |
Game statistics (History)
| Games | 52 |
| Wins | 27 |
| Draws | 5 |
| Losses | 20 |
| White | 24 |
| Black | 28 |
| White wins | 12 |
| Black wins | 15 |
| Score | 29.5 |
| Percent | 56.7 |
| Dp | 57.2 |
| AOR | 1420.3 |
| Performance | 1477.5 |
Rankings (Main)
| National | |
| Overall | 2336 |
| Gender | 2030 |
| Age group | 286 |
| Gender/Age | 227 |
| Provincial | |
| Overall | 276 |
| Gender | 238 |
| Age group | 44 |
| Gender/Age | 38 |
| Regional | |
| Overall | 89 |
| Gender | 74 |
| Age group | 16 |
| Gender/Age | 14 |
Rankings (Standard)
| National | |
| Overall | 3689 |
| Gender | 3054 |
| Age group | 559 |
| Gender/Age | 446 |
| Provincial | |
| Overall | 400 |
| Gender | 334 |
| Age group | 70 |
| Gender/Age | 59 |
| Regional | |
| Overall | 137 |
| Gender | 109 |
| Age group | 24 |
| Gender/Age | 19 |
Rankings (Rapid)
| National | |
| Overall | 1441 |
| Gender | 1222 |
| Age group | 234 |
| Gender/Age | 187 |
| Provincial | |
| Overall | 127 |
| Gender | 109 |
| Age group | 25 |
| Gender/Age | 22 |
| Regional | |
| Overall | 53 |
| Gender | 41 |
| Age group | 11 |
| Gender/Age | 10 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1299.2 |
| Dp | 85 |
| Prat | 1384.2 |
Performance ()
| Games | 46 |
| Score | 28.5 |
| Percent | 62 |
| Aor | 1400.4 |
| Dp | 101.6 |
| Prat | 1502 |
Performance (12 months)
| Games | 46 |
| Score | 28.5 |
| Percent | 62 |
| Aor | 1400.4 |
| Dp | 101.6 |
| Prat | 1502 |
Performance (History)
| Games | 46 |
| Score | 28.5 |
| Percent | 62 |
| Aor | 1400.4 |
| Dp | 101.6 |
| Prat | 1502 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Kingon, J (Jonah) | 2 | 1 | 1 | 2026 Buffalo City Chess Trials 5 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |
| Overall | 2 | Harman, R (Ryan) | 2 | 2 | 0 | 2026 Buffalo City Chess Trials 4 (U16) | 2026 Buffalo City Chess Trials 5 (U16) | Details |
| Overall | 3 | Canham, E (Ethan) | 2 | 0 | 2 | 2026 Buffalo City Chess Trials 5 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |
| Overall | 4 | Mabhera, JP (Jedidiah Panashe) | 2 | 1 | 1 | 2026 Buffalo City Chess Trials 4 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |
| Overall | 5 | Fricke, L (Leon) | 2 | 1 | 1 | 2026 Buffalo City Chess Trials 5 (U16) | BCM Schools Chess All Ages Festival 2026 (U15 Open) | Details |
| Standard | 1 | Mabhera, JP (Jedidiah Panashe) | 2 | 1 | 1 | 2026 Buffalo City Chess Trials 4 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |
| Standard | 2 | Harman, R (Ryan) | 2 | 2 | 0 | 2026 Buffalo City Chess Trials 4 (U16) | 2026 Buffalo City Chess Trials 5 (U16) | Details |
| Standard | 3 | Canham, E (Ethan) | 2 | 0 | 2 | 2026 Buffalo City Chess Trials 5 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |
| Standard | 4 | Kingon, J (Jonah) | 2 | 1 | 1 | 2026 Buffalo City Chess Trials 5 (U16) | 2026 Buffalo City Closed (U16 Boys) | Details |