PLAYER PAGE
Nicolaas Oosthuizen
1180314637Eden (WEG)Personal
Main rating
| Rating | 1198.9 |
| K-factor | 36 |
| Floor | 713.9 |
| Highest | 1213.9 (2025-11-30) |
| Min/Max +/- allowed | 163 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.15 |
| SWe | -0.13 |
| Temp +/- | -4.6 |
| Penalties | 0 |
| Weight perform | 1109.5 |
| Final +/- | -4.6 |
| New Rating () | |
| Rating | 1194.3 |
| K-factor | 36 |
| Floor | 713.9 |
| Highest | 1213.9 (2025-11-30) |
| Min/Max +/- allowed | 162.6 |
Standard rating
| Rating | 1191.8 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-02-06) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 2 |
| We | 2.11 |
| SWe | -0.11 |
| Temp +/- | -4.3 |
| Penalties | 0 |
| Weight perform | 1066.3 |
| Final +/- | -4.3 |
| New Rating () | |
| Rating | 1187.6 |
| K-factor | 40 |
| Floor | 699.9 |
| Highest | 1199.9 (2025-02-06) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 1220.2 |
| K-factor | 36 |
| Floor | 720.2 |
| Highest | 1220.2 (2025-11-30) |
| Min/Max +/- allowed | 161.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1220.2 |
| K-factor | 36 |
| Floor | 720.2 |
| Highest | 1220.2 (2025-11-30) |
| Min/Max +/- allowed | 161.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2025-03-01) |
| 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 (2025-03-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | George Trials 3 2026 (U9 Boys) | Standard | 2026-02-28 | 2026-02-28 | Eden (WEG) | 5 | 1198.9 | 5 | 2 | 1180.5 | -4.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | George Trials 2 2026 (U9 Boys) | Standard | 2026-02-14 | 2026-02-14 | Eden (WEG) | 5 | 1214.1 | 5 | 1 | 984.8 | 0 | Details |
| 2 | George Trials 1 2026 (U9 Boys) | Standard | 2026-01-31 | 2026-01-31 | Eden (WEG) | 5 | 1214.1 | 5 | 2 | 1190.7 | 0 | Details |
| 3 | Voories Skaaktoernooi 2025 (O7) | Rapid | 2025-11-08 | 2025-11-08 | Eden (WEG) | 5 | 1197.7 | 5 | 3 | 1366.9 | 0 | Details |
| 4 | George Top Schools 2025 (U7) | Standard | 2025-07-26 | 2025-07-26 | Eden (WEG) | 5 | 1199.5 | 5 | 0 | 830.2 | 0 | Details |
| 5 | George Schools Chess Trials 3 2025 (U7 Boys) | Standard | 2025-03-01 | 2025-03-01 | Eden (WEG) | 5 | 1194.8 | 5 | 2.5 | 1208.7 | 0 | Details |
| 6 | George Schools Chess Trials 2 2025 (U7 Boys) | Standard | 2025-02-15 | 2025-02-15 | Eden (WEG) | 5 | 1200 | 5 | 2 | 1115 | 0 | Details |
| 7 | George Schools Chess Trials 1 2025 (U7 Boys) | Standard | 2025-02-01 | 2025-02-01 | Eden (WEG) | 5 | 1200 | 4 | 0.5 | 881.3 | 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 | 15 |
| Wins | 5 |
| Draws | 0 |
| Losses | 10 |
| White | 7 |
| Black | 8 |
| White wins | 1 |
| Black wins | 4 |
| Score | 5 |
| Percent | 33.3 |
| Dp | -141.7 |
| AOR | 1260.3 |
| Performance | 1118.7 |
Game statistics (History)
| Games | 39 |
| Wins | 11 |
| Draws | 4 |
| Losses | 24 |
| White | 20 |
| Black | 19 |
| White wins | 4 |
| Black wins | 7 |
| Score | 13 |
| Percent | 33.3 |
| Dp | -141.7 |
| AOR | 1241.9 |
| Performance | 1100.2 |
Rankings (Main)
| National | |
| Overall | 13170 |
| Gender | 10319 |
| Age group | 584 |
| Gender/Age | 422 |
| Provincial | |
| Overall | 3813 |
| Gender | 2899 |
| Age group | 243 |
| Gender/Age | 179 |
| Regional | |
| Overall | 944 |
| Gender | 696 |
| Age group | 93 |
| Gender/Age | 65 |
Rankings (Standard)
| National | |
| Overall | 11022 |
| Gender | 8465 |
| Age group | 562 |
| Gender/Age | 392 |
| Provincial | |
| Overall | 3205 |
| Gender | 2342 |
| Age group | 241 |
| Gender/Age | 171 |
| Regional | |
| Overall | 963 |
| Gender | 678 |
| Age group | 113 |
| Gender/Age | 79 |
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 | 15 |
| Score | 5 |
| Percent | 33.3 |
| Aor | 1260.3 |
| Dp | -141.7 |
| Prat | 1118.7 |
Performance (12 months)
| Games | 25 |
| Score | 8 |
| Percent | 32 |
| Aor | 1263.6 |
| Dp | -153 |
| Prat | 1110.6 |
Performance (History)
| Games | 39 |
| Score | 13 |
| Percent | 33.3 |
| Aor | 1241.9 |
| Dp | -141.7 |
| Prat | 1100.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Booysen, J (Joshua) | 3 | 2 | 1 | George Schools Chess Trials 2 2025 (U7 Boys) | George Top Schools 2025 (U7) | Details |
| Overall | 2 | Volkwyn, Z (Zane) | 2 | 0 | 2 | George Trials 1 2026 (U9 Boys) | George Trials 2 2026 (U9 Boys) | Details |
| Overall | 3 | Markotter, J (JW) | 2 | 2 | 0 | George Top Schools 2025 (U7) | George Trials 3 2026 (U9 Boys) | Details |
| Overall | 4 | Jubber, L (Luan) | 2 | 1 | 1 | George Top Schools 2025 (U7) | George Trials 3 2026 (U9 Boys) | Details |
| Overall | 5 | Venter, M (Miguel) | 2 | 1 | 1 | George Schools Chess Trials 2 2025 (U7 Boys) | George Schools Chess Trials 3 2025 (U7 Boys) | Details |
| Standard | 1 | Booysen, J (Joshua) | 3 | 2 | 1 | George Schools Chess Trials 2 2025 (U7 Boys) | George Top Schools 2025 (U7) | Details |
| Standard | 2 | Volkwyn, Z (Zane) | 2 | 0 | 2 | George Trials 1 2026 (U9 Boys) | George Trials 2 2026 (U9 Boys) | Details |
| Standard | 3 | Markotter, J (JW) | 2 | 2 | 0 | George Top Schools 2025 (U7) | George Trials 3 2026 (U9 Boys) | Details |
| Standard | 4 | Jubber, L (Luan) | 2 | 1 | 1 | George Top Schools 2025 (U7) | George Trials 3 2026 (U9 Boys) | Details |
| Standard | 5 | Venter, M (Miguel) | 2 | 1 | 1 | George Schools Chess Trials 2 2025 (U7 Boys) | George Schools Chess Trials 3 2025 (U7 Boys) | Details |