PLAYER PAGE
Olivier Serrao
1850305170Johannesburg Metro (GJM)Personal
Main rating
| Rating | 1409 |
| K-factor | 36 |
| Floor | 832.3 |
| Highest | 1841.8 (2024-05-01) |
| Min/Max +/- allowed | 66 |
| Rating Change () | |
| Games | 5 |
| Score | 0 |
| We | 1.8 |
| SWe | -1.49 |
| Temp +/- | -53.7 |
| Penalties | 0 |
| Weight perform | 1246.8 |
| Final +/- | -53.7 |
| New Rating () | |
| Rating | 1355.3 |
| K-factor | 36 |
| Floor | 832.3 |
| Highest | 1841.8 (2024-05-01) |
| Min/Max +/- allowed | 66.5 |
Standard rating
| Rating | 1416.5 |
| K-factor | 36 |
| Floor | 836.6 |
| Highest | 1847.5 (2024-05-01) |
| Min/Max +/- allowed | 65.9 |
| Rating Change () | |
| Games | 5 |
| Score | 0 |
| We | 1.84 |
| SWe | -1.84 |
| Temp +/- | -66.1 |
| Penalties | 0 |
| Weight perform | 1246.8 |
| Final +/- | -65.9 |
| New Rating () | |
| Rating | 1350.6 |
| K-factor | 36 |
| Floor | 836.6 |
| Highest | 1847.5 (2024-05-01) |
| Min/Max +/- allowed | 65.9 |
Rapid rating
| Rating | 1212.6 |
| K-factor | 36 |
| Floor | 712.6 |
| Highest | 1212.6 (2026-02-28) |
| Min/Max +/- allowed | 162.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1212.6 |
| K-factor | 36 |
| Floor | 712.6 |
| Highest | 1212.6 (2026-02-28) |
| Min/Max +/- allowed | 162.9 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-05-01) |
| 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 (2024-05-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Ekurhuleni Closed 2026 (A) | Standard | 2026-09-19 | 2026-09-19 | Ekurhuleni (GE) | 5 | 1409 | 5 | 0 | 1067.8 | -53.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Ekurhuleni 1st Trial 2026 (A+B) | Standard | 2026-04-11 | 2026-04-11 | Ekurhuleni (GE) | 5 | 1386.8 | 5 | 2.5 | 1508.5 | 22.2 | Details |
| 2 | Chess Power House Freedom Day Open 2026 (A) | Standard | 2026-04-27 | 2026-04-27 | Ekurhuleni (GE) | 5 | 1398.8 | 4 | 1 | 1314.7 | -12 | Details |
| 3 | Chess Power House Boksburg Open 2026 (A) | Standard | 2026-03-14 | 2026-03-14 | Ekurhuleni (GE) | 5 | 1332.3 | 5 | 2 | 1476.7 | 22.9 | Details |
| 4 | Hoerskool Drie Riviere Chess Open 07 March 2026 (A) | Standard | 2026-03-07 | 2026-03-07 | Sedibeng (GSV) | 5 | 1332.3 | 5 | 1.5 | 1481 | 22.3 | Details |
| 5 | Chess Power House February Open 2026 (A) | Standard | 2026-02-21 | 2026-02-21 | Ekurhuleni (GE) | 5 | 1248.8 | 5 | 1.5 | 1300.3 | 5.3 | Details |
| 6 | JCC ChessPowerHouse Feb Rapid 2026 (A) | Rapid | 2026-02-15 | 2026-02-15 | Johannesburg Metro (GJM) | 5 | 1248.8 | 5 | 2 | 1400.4 | 8.4 | Details |
| 7 | JP Wagner Cup 2026 (A) | Standard | 2026-01-31 | 2026-01-31 | Ekurhuleni (GE) | 5 | 1248.8 | 5 | 2.5 | 1597.8 | 20.2 | Details |
| 8 | Chess Power House May Open 2024 (B) | Standard | 2024-05-25 | 2024-05-25 | Johannesburg Metro (GJM) | 5 | 1200 | 2 | 2 | 1826.8 | 24.4 | 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 | 39 |
| Wins | 10 |
| Draws | 6 |
| Losses | 23 |
| White | 17 |
| Black | 22 |
| White wins | 6 |
| Black wins | 4 |
| Score | 13 |
| Percent | 33.3 |
| Dp | -141.7 |
| AOR | 1537.1 |
| Performance | 1395.4 |
Game statistics (History)
| Games | 41 |
| Wins | 12 |
| Draws | 6 |
| Losses | 23 |
| White | 18 |
| Black | 23 |
| White wins | 7 |
| Black wins | 5 |
| Score | 15 |
| Percent | 36.6 |
| Dp | -114 |
| AOR | 1530.5 |
| Performance | 1416.5 |
Rankings (Main)
| National | |
| Overall | 3409 |
| Gender | 2896 |
| Age group | 981 |
| Gender/Age | 919 |
| Provincial | |
| Overall | 1176 |
| Gender | 1002 |
| Age group | 318 |
| Gender/Age | 301 |
| Regional | |
| Overall | 358 |
| Gender | 317 |
| Age group | 117 |
| Gender/Age | 109 |
Rankings (Standard)
| National | |
| Overall | 2876 |
| Gender | 2408 |
| Age group | 790 |
| Gender/Age | 734 |
| Provincial | |
| Overall | 1034 |
| Gender | 878 |
| Age group | 284 |
| Gender/Age | 270 |
| Regional | |
| Overall | 314 |
| Gender | 275 |
| Age group | 100 |
| Gender/Age | 94 |
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 | 39 |
| Score | 13 |
| Percent | 33.3 |
| Aor | 1537.1 |
| Dp | -141.7 |
| Prat | 1395.4 |
Performance (12 months)
| Games | 39 |
| Score | 13 |
| Percent | 33.3 |
| Aor | 1537.1 |
| Dp | -141.7 |
| Prat | 1395.4 |
Performance (History)
| Games | 41 |
| Score | 15 |
| Percent | 36.6 |
| Aor | 1530.5 |
| Dp | -114 |
| Prat | 1416.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Wany, J (Jobert) | 2 | 1 | 1 | JP Wagner Cup 2026 (A) | JCC ChessPowerHouse Feb Rapid 2026 (A) | Details |