PLAYER PAGE
Johan Van Der Merwe
1170332978West Coast (WCU)Personal
Main rating
| Rating | 1237.3 |
| K-factor | 36 |
| Floor | 737.3 |
| Highest | 1237.3 (2026-07-01) |
| Min/Max +/- allowed | 157 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1237.3 |
| K-factor | 36 |
| Floor | 737.3 |
| Highest | 1237.3 (2026-07-01) |
| Min/Max +/- allowed | 157.2 |
Standard rating
| Rating | 1170.1 |
| K-factor | 36 |
| Floor | 705.1 |
| Highest | 1205.1 (2026-03-01) |
| Min/Max +/- allowed | 164.6 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1170.1 |
| K-factor | 36 |
| Floor | 705.1 |
| Highest | 1205.1 (2026-03-01) |
| Min/Max +/- allowed | 164.6 |
Rapid rating
| Rating | 1289.6 |
| K-factor | 36 |
| Floor | 789.6 |
| Highest | 1289.6 (2026-07-01) |
| Min/Max +/- allowed | 145.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1289.6 |
| K-factor | 36 |
| Floor | 789.6 |
| Highest | 1289.6 (2026-07-01) |
| Min/Max +/- allowed | 145.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 40 |
| Floor | 700 |
| Highest | 1199 (2026-02-26) |
| 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 (2026-02-26) |
| Min/Max +/- allowed | 166.1 |
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 | Lower West Coast Top Schools 2026 (U9) | Rapid | 2026-05-30 | 2026-05-30 | West Coast (WCU) | 5 | 1193.1 | 4 | 4 | 1625 | 44.2 | Details |
| 2 | 2026 WCSC PS Individual Championship (U9 Boys) | Standard | 2026-05-16 | 2026-05-17 | Overberg (WOS) | 6 | 1219 | 6 | 1.5 | 1097.1 | -25.9 | Details |
| 3 | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | Standard | 2026-02-28 | 2026-03-07 | West Coast (WCU) | 6 | 1213 | 5 | 2.5 | 1240.3 | 6 | Details |
| 4 | Lower West Coast Schools Prestige Individuals Championship 2026 (U9 Open) | Rapid | 2026-02-14 | 2026-02-14 | West Coast (WCU) | 5 | 1200 | 5 | 3 | 1298.5 | 6.5 | 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 | 20 |
| Wins | 10 |
| Draws | 2 |
| Losses | 8 |
| White | 10 |
| Black | 10 |
| White wins | 4 |
| Black wins | 6 |
| Score | 11 |
| Percent | 55 |
| Dp | 42.5 |
| AOR | 1246.3 |
| Performance | 1288.8 |
Game statistics (History)
| Games | 20 |
| Wins | 10 |
| Draws | 2 |
| Losses | 8 |
| White | 10 |
| Black | 10 |
| White wins | 4 |
| Black wins | 6 |
| Score | 11 |
| Percent | 55 |
| Dp | 42.5 |
| AOR | 1246.3 |
| Performance | 1288.8 |
Rankings (Main)
| National | |
| Overall | 9973 |
| Gender | 7970 |
| Age group | 516 |
| Gender/Age | 380 |
| Provincial | |
| Overall | 2847 |
| Gender | 2182 |
| Age group | 197 |
| Gender/Age | 138 |
| Regional | |
| Overall | 310 |
| Gender | 228 |
| Age group | 22 |
| Gender/Age | 16 |
Rankings (Standard)
| National | |
| Overall | 12508 |
| Gender | 9456 |
| Age group | 830 |
| Gender/Age | 586 |
| Provincial | |
| Overall | 3670 |
| Gender | 2663 |
| Age group | 325 |
| Gender/Age | 229 |
| Regional | |
| Overall | 292 |
| Gender | 198 |
| Age group | 20 |
| Gender/Age | 13 |
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 | 20 |
| Score | 11 |
| Percent | 55 |
| Aor | 1246.3 |
| Dp | 42.5 |
| Prat | 1288.8 |
Performance (12 months)
| Games | 20 |
| Score | 11 |
| Percent | 55 |
| Aor | 1246.3 |
| Dp | 42.5 |
| Prat | 1288.8 |
Performance (History)
| Games | 20 |
| Score | 11 |
| Percent | 55 |
| Aor | 1246.3 |
| Dp | 42.5 |
| Prat | 1288.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Van Huyssteen, A (Alexander) | 2 | 1 | 1 | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | 2026 WCSC PS Individual Championship (U9 Boys) | Details |
| Overall | 2 | Martin, M (Mikaeel) | 2 | 2 | 0 | Lower West Coast Schools Prestige Individuals Championship 2026 (U9 Open) | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | Details |
| Overall | 3 | Vollgraaff, A (Alexander) | 2 | 0 | 2 | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | 2026 WCSC PS Individual Championship (U9 Boys) | Details |
| Standard | 1 | Van Huyssteen, A (Alexander) | 2 | 1 | 1 | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | 2026 WCSC PS Individual Championship (U9 Boys) | Details |
| Standard | 2 | Vollgraaff, A (Alexander) | 2 | 0 | 2 | West Coast Schools Prestige Individuals Championships 2026 (U9 Boys) | 2026 WCSC PS Individual Championship (U9 Boys) | Details |