Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Oliver Overbosch

1160327746
Cape Town (WCT)
Personal
Main rating
Rating 1156.5
K-factor 36
Floor 715.6
Highest 1215.6 (2026-02-28)
Min/Max +/- allowed 162
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1156.5
K-factor 36
Floor 715.6
Highest 1215.6 (2026-02-28)
Min/Max +/- allowed 162.2
Standard rating
Rating 1137.1
K-factor 36
Floor 709.6
Highest 1209.6 (2026-02-28)
Min/Max +/- allowed 163.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1137.1
K-factor 36
Floor 709.6
Highest 1209.6 (2026-02-28)
Min/Max +/- allowed 163.6
Rapid rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-09-12)
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 (2025-09-12)
Min/Max +/- allowed 166.1
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-09-12)
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 (2025-09-12)
Min/Max +/- allowed 166.1
Rating Graph
Tournaments
No tournaments found.
# 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 CT Metro Schools Individual Closed 2026 (U11 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1215.6 5 0 882.3 -59.1 Details
2 CT Metro South Individual Trials 2026 (U11 Boys) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1199.4 6 3 1272.4 5.8 Details
3 Western Cape Schools - Top Schools 2025 (U9) Standard 2025-09-06 2025-09-07 Overberg (WOS) 6 1200 5 2 1199.2 -0.8 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 11
Wins 3
Draws 0
Losses 8
White 5
Black 6
White wins 1
Black wins 2
Score 3
Percent 27.3
Dp -193.2
AOR 1288.2
Performance 1095.1
Game statistics (History)
Games 16
Wins 5
Draws 0
Losses 11
White 8
Black 8
White wins 2
Black wins 3
Score 5
Percent 31.2
Dp -159.4
AOR 1287
Performance 1127.6
Rankings (Main)
National
Overall 17493
Gender 13240
Age group 2637
Gender/Age 1883
Provincial
Overall 5032
Gender 3727
Age group 819
Gender/Age 563
Regional
Overall 1925
Gender 1534
Age group 284
Gender/Age 222
Rankings (Standard)
National
Overall 13575
Gender 10099
Age group 2023
Gender/Age 1416
Provincial
Overall 3999
Gender 2851
Age group 661
Gender/Age 429
Regional
Overall 1548
Gender 1197
Age group 213
Gender/Age 159
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 11
Score 3
Percent 27.3
Aor 1288.2
Dp -193.2
Prat 1095.1
Performance (12 months)
Games 16
Score 5
Percent 31.2
Aor 1287
Dp -159.4
Prat 1127.6
Performance (History)
Games 16
Score 5
Percent 31.2
Aor 1287
Dp -159.4
Prat 1127.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Joya, L (Lilitha) 2 1 1 CT Metro South Individual Trials 2026 (U11 Boys) CT Metro Schools Individual Closed 2026 (U11 Boys) Details
Standard 1 Joya, L (Lilitha) 2 1 1 CT Metro South Individual Trials 2026 (U11 Boys) CT Metro Schools Individual Closed 2026 (U11 Boys) Details