PLAYER PAGE
Arno Claassen
1110312150Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1452.4 |
| K-factor | 32 |
| Floor | 952.4 |
| Highest | 1452.4 (2026-09-01) |
| Min/Max +/- allowed | 116 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 3.53 |
| SWe | -0.28 |
| Temp +/- | -8.9 |
| Penalties | 0 |
| Weight perform | 1412.5 |
| Final +/- | -8.9 |
| New Rating () | |
| Rating | 1443.4 |
| K-factor | 32 |
| Floor | 952.4 |
| Highest | 1452.4 (2026-09-01) |
| Min/Max +/- allowed | 115.7 |
Standard rating
| Rating | 1452.4 |
| K-factor | 32 |
| Floor | 952.4 |
| Highest | 1452.4 (2026-09-01) |
| Min/Max +/- allowed | 115.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1429.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1452.4 |
| K-factor | 32 |
| Floor | 952.4 |
| Highest | 1452.4 (2026-09-01) |
| Min/Max +/- allowed | 115.7 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 5 |
| Score | 3.5 |
| We | 2.57 |
| SWe | -0.04 |
| Temp +/- | -1.4 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -1.4 |
| New Rating () | |
| Rating | 1198.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-10-01) |
| 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 (2024-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools Teams 2026 (U15 Open) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1452.4 | 5 | 3.5 | 1399.8 | -0.8 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 D2 Schools League Finals (U15) | Standard | 2026-08-15 | 2026-08-15 | West Rand (GWR) | 5 | 1452.4 | 5 | 5 | 1631.7 | 49.6 | Details |
| 2 | 2026 D2 Top 20 Schools Individuals (U15) | Standard | 2026-07-25 | 2026-07-25 | West Rand (GWR) | 5 | 1340 | 5 | 2.5 | 1397.6 | 11.3 | Details |
| 3 | 2026 D2 Schools Individuals (U15 Boys) | Standard | 2026-05-15 | 2026-05-16 | West Rand (GWR) | 5 | 1272.7 | 5 | 3.5 | 1531.3 | 39.7 | Details |
| 4 | Grey College Team Championship 2026 (B) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1255.2 | 5 | 3 | 1344.8 | 9.7 | Details |
| 5 | 2025 Gauteng Top Schools Teams (U15) | Standard | 2025-08-30 | 2025-08-30 | Tshwane (GTP) | 5 | 1240.8 | 5 | 3 | 1336.7 | 8.6 | Details |
| 6 | Paarl Boys' High School Chess Festival 2025 (C) | Standard | 2025-10-17 | 2025-10-18 | Cape Winelands (WCW) | 6 | 1240.8 | 6 | 3 | 1247.1 | -0.7 | Details |
| 7 | 2025 D2 Schools League Finals (U15) | Standard | 2025-07-26 | 2025-07-26 | West Rand (GWR) | 5 | 1209.6 | 5 | 3 | 1380.9 | 17.3 | Details |
| 8 | Gauteng Top Schools 2024 (U13 Open) | Standard | 2024-10-04 | 2024-10-04 | Ekurhuleni (GE) | 5 | 1200 | 5 | 2 | 1256.4 | 4.8 | 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 | 25 |
| Wins | 16 |
| Draws | 3 |
| Losses | 6 |
| White | 12 |
| Black | 13 |
| White wins | 9 |
| Black wins | 7 |
| Score | 17.5 |
| Percent | 70 |
| Dp | 170 |
| AOR | 1291.1 |
| Performance | 1461.1 |
Game statistics (History)
| Games | 46 |
| Wins | 27 |
| Draws | 3 |
| Losses | 16 |
| White | 24 |
| Black | 22 |
| White wins | 15 |
| Black wins | 12 |
| Score | 28.5 |
| Percent | 62 |
| Dp | 101.6 |
| AOR | 1287 |
| Performance | 1388.7 |
Rankings (Main)
| National | |
| Overall | 2630 |
| Gender | 2260 |
| Age group | 329 |
| Gender/Age | 259 |
| Provincial | |
| Overall | 901 |
| Gender | 773 |
| Age group | 106 |
| Gender/Age | 82 |
| Regional | |
| Overall | 288 |
| Gender | 252 |
| Age group | 27 |
| Gender/Age | 20 |
Rankings (Standard)
| National | |
| Overall | 2341 |
| Gender | 1991 |
| Age group | 315 |
| Gender/Age | 247 |
| Provincial | |
| Overall | 841 |
| Gender | 719 |
| Age group | 107 |
| Gender/Age | 82 |
| Regional | |
| Overall | 269 |
| Gender | 234 |
| Age group | 26 |
| Gender/Age | 19 |
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 | 25 |
| Score | 17.5 |
| Percent | 70 |
| Aor | 1291.1 |
| Dp | 170 |
| Prat | 1461.1 |
Performance (12 months)
| Games | 25 |
| Score | 17.5 |
| Percent | 70 |
| Aor | 1291.1 |
| Dp | 170 |
| Prat | 1461.1 |
Performance (History)
| Games | 46 |
| Score | 28.5 |
| Percent | 62 |
| Aor | 1287 |
| Dp | 101.6 |
| Prat | 1388.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Mkhwanazi, S (Siphesihle) | 2 | 2 | 0 | 2026 D2 Schools Individuals (U15 Boys) | 2026 D2 Top 20 Schools Individuals (U15) | Details |
| Standard | 1 | Mkhwanazi, S (Siphesihle) | 2 | 2 | 0 | 2026 D2 Schools Individuals (U15 Boys) | 2026 D2 Top 20 Schools Individuals (U15) | Details |