PLAYER PAGE
Ri Koekemoer
1200331283West Rand (GWR)Personal
Main rating
| Rating | 1406.5 |
| K-factor | 32 |
| Floor | 955.8 |
| Highest | 1455.8 (2026-06-01) |
| Min/Max +/- allowed | 115 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 4.01 |
| SWe | -0.84 |
| Temp +/- | -26.8 |
| Penalties | 0 |
| Weight perform | 1262.2 |
| Final +/- | -26.8 |
| New Rating () | |
| Rating | 1379.7 |
| K-factor | 32 |
| Floor | 955.8 |
| Highest | 1455.8 (2026-06-01) |
| Min/Max +/- allowed | 115.2 |
Standard rating
| Rating | 1397.7 |
| K-factor | 32 |
| Floor | 966.3 |
| Highest | 1466.3 (2026-06-01) |
| Min/Max +/- allowed | 113.5 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.94 |
| SWe | -0.94 |
| Temp +/- | -30.2 |
| Penalties | 0 |
| Weight perform | 1262.2 |
| Final +/- | -30.2 |
| New Rating () | |
| Rating | 1367.5 |
| K-factor | 32 |
| Floor | 966.3 |
| Highest | 1466.3 (2026-06-01) |
| Min/Max +/- allowed | 113.5 |
Rapid rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-10) |
| Min/Max +/- allowed | 166.1 |
| 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 (2026-02-10) |
| Min/Max +/- allowed | 166.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-10) |
| Min/Max +/- allowed | 166.1 |
| 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 (2026-02-10) |
| Min/Max +/- allowed | 166.1 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Closed Chess Championships 2026 (U8 Open) | Standard | 2026-10-17 | 2026-10-17 | Ekurhuleni (GE) | 5 | 1406.5 | 5 | 3 | 1239.1 | -26.8 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | West Rand Trials 2026 (U8) | Standard | 2026-09-05 | 2026-09-05 | West Rand (GWR) | 5 | 1408.1 | 3 | 2 | 1400.9 | -1.6 | Details |
| 2 | 2026 D2 Schools League Finals (U9) | Standard | 2026-08-15 | 2026-08-15 | West Rand (GWR) | 5 | 1408.1 | 5 | 2.5 | 1255.6 | -30.9 | Details |
| 3 | West Rand Womens Day Open 2026 (U8) | Standard | 2026-08-08 | 2026-08-08 | West Rand (GWR) | 5 | 1408.1 | 5 | 3.5 | 1288.4 | -9.5 | Details |
| 4 | 2026 West Rand Open 2.0 (U8) | Standard | 2026-06-06 | 2026-06-06 | West Rand (GWR) | 5 | 1455.8 | 4 | 2.5 | 1396.6 | -7.2 | Details |
| 5 | 2026 D2 Schools Individuals (U9 Boys) | Standard | 2026-05-15 | 2026-05-16 | West Rand (GWR) | 5 | 1315 | 5 | 4 | 1443.6 | 21.6 | Details |
| 6 | West Rand goes to Monnas 2026 (U8) | Standard | 2026-05-02 | 2026-05-02 | West Rand (GWR) | 5 | 1315 | 5 | 4 | 1486.5 | 29.1 | Details |
| 7 | FIDE in the West 2026 (U8) | Standard | 2026-04-11 | 2026-04-11 | West Rand (GWR) | 5 | 1254.8 | 4 | 4 | 1683.2 | 60.2 | Details |
| 8 | West Rand Juniors 2026 (U8) | Standard | 2026-03-07 | 2026-03-07 | West Rand (GWR) | 5 | 1248.5 | 5 | 3 | 1291.2 | 6.3 | Details |
| 9 | West Rand Open 2026 (U8) | Standard | 2026-02-07 | 2026-02-07 | West Rand (GWR) | 5 | 1200 | 5 | 4 | 1455 | 16.2 | Details |
Game statistics ( )
| Games | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 3 |
| Black | 2 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1154.1 |
| Performance | 1239.1 |
Game statistics ()
| Games | 46 |
| Wins | 31 |
| Draws | 3 |
| Losses | 12 |
| White | 26 |
| Black | 20 |
| White wins | 19 |
| Black wins | 12 |
| Score | 32.5 |
| Percent | 70.7 |
| Dp | 175.5 |
| AOR | 1211.8 |
| Performance | 1387.4 |
Game statistics (History)
| Games | 46 |
| Wins | 31 |
| Draws | 3 |
| Losses | 12 |
| White | 26 |
| Black | 20 |
| White wins | 19 |
| Black wins | 12 |
| Score | 32.5 |
| Percent | 70.7 |
| Dp | 175.5 |
| AOR | 1211.8 |
| Performance | 1387.4 |
Rankings (Main)
| National | |
| Overall | 3471 |
| Gender | 2942 |
| Age group | 19 |
| Gender/Age | 13 |
| Provincial | |
| Overall | 1196 |
| Gender | 1017 |
| Age group | 6 |
| Gender/Age | 4 |
| Regional | |
| Overall | 92 |
| Gender | 78 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 3233 |
| Gender | 2693 |
| Age group | 22 |
| Gender/Age | 14 |
| Provincial | |
| Overall | 1151 |
| Gender | 973 |
| Age group | 6 |
| Gender/Age | 4 |
| Regional | |
| Overall | 97 |
| Gender | 80 |
| Age group | 2 |
| Gender/Age | 2 |
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 | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1154.1 |
| Dp | 85 |
| Prat | 1239.1 |
Performance ()
| Games | 46 |
| Score | 32.5 |
| Percent | 70.7 |
| Aor | 1211.8 |
| Dp | 175.5 |
| Prat | 1387.4 |
Performance (12 months)
| Games | 46 |
| Score | 32.5 |
| Percent | 70.7 |
| Aor | 1211.8 |
| Dp | 175.5 |
| Prat | 1387.4 |
Performance (History)
| Games | 46 |
| Score | 32.5 |
| Percent | 70.7 |
| Aor | 1211.8 |
| Dp | 175.5 |
| Prat | 1387.4 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Gumede, E (Enzokuhle) | 8 | 4 | 4 | West Rand Open 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Overall | 2 | Koekemoer, M (Maximus) | 5 | 2 | 3 | West Rand Open 2026 (U8) | 2026 West Rand Open 2.0 (U8) | Details |
| Overall | 3 | Pereira, L (Levi) | 4 | 1 | 3 | FIDE in the West 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Overall | 4 | van der Walt, R (Rubein) | 3 | 2 | 1 | West Rand goes to Monnas 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Overall | 5 | Mosiane, O (Onthatile) | 2 | 2 | 0 | West Rand Juniors 2026 (U8) | West Rand goes to Monnas 2026 (U8) | Details |
| Standard | 1 | Gumede, E (Enzokuhle) | 8 | 4 | 4 | West Rand Open 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Standard | 2 | Koekemoer, M (Maximus) | 5 | 2 | 3 | West Rand Open 2026 (U8) | 2026 West Rand Open 2.0 (U8) | Details |
| Standard | 3 | Pereira, L (Levi) | 4 | 1 | 3 | FIDE in the West 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Standard | 4 | van der Walt, R (Rubein) | 3 | 2 | 1 | West Rand goes to Monnas 2026 (U8) | West Rand Trials 2026 (U8) | Details |
| Standard | 5 | Mosiane, O (Onthatile) | 2 | 2 | 0 | West Rand Juniors 2026 (U8) | West Rand goes to Monnas 2026 (U8) | Details |