Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Jacques Oosthuizen

1690134066
Overberg (WOS)
Personal
Main rating
Rating 1136.5
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1068.8
Final +/- 0
New Rating
()
Rating 1136.5
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Standard rating
Rating 1129.4
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 1129.4
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rapid rating
Rating 1109.1
K-factor 36
Floor 700
Highest 1240.5 (2022-09-01)
Min/Max +/- allowed 156.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1070.1
Final +/- 0
New Rating
()
Rating 1109.1
K-factor 36
Floor 700
Highest 1240.5 (2022-09-01)
Min/Max +/- allowed 156.5
Blitz rating
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1300
K-factor 36
Floor 800
Highest 1300 (2024-02-01)
Min/Max +/- allowed 143.8
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 Western Cape Club Championship 2025 (C) Standard 2025-10-25 2025-10-26 Overberg (WOS) 5 1118.7 5 2 1213.7 0 Details
2 Overberg Club Championship 2025 Rapid 2025-09-13 2025-09-13 Overberg (WOS) 7 1114 6 2 1150.5 0 Details
3 Kleinmond Chess Club Open 2025 (Advanced) Rapid 2025-08-30 2025-08-30 Overberg (WOS) 6 1120.4 6 2 1086.5 0 Details
4 Hermanus Chess Club Open 2025 (Development) Rapid 2025-04-12 2025-04-12 Overberg (WOS) 7 1096.1 7 3.5 1243.4 0 Details
5 Overberg Schools & Federation Open 2025 (Open) Rapid 2025-02-01 2025-02-01 Overberg (WOS) 6 1100.3 5 1 1100.3 0 Details
6 Kleinmond Chess Club Open 2024 (Advanced) Rapid 2024-09-07 2024-09-07 Overberg (WOS) 6 1074.8 5 2 1287.2 0 Details
7 Hermanus Chess Club Open 2024 (Intermediate) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1091.9 7 1 988.7 0 Details
8 Overberg Club Championships 2023 (A+B) Rapid 2023-07-29 2023-07-29 Overberg (WOS) 5 1073.2 5 1 1044.9 0 Details
9 GPCA Rapid 2023 (Advanced) Rapid 2023-06-24 2023-06-24 Cape Town (WCT) 7 1085.9 7 1 981.1 0 Details
10 Zwelihle Chess Club Rapid 2023 (A+B) Rapid 2023-06-17 2023-06-17 Overberg (WOS) 6 1085.9 6 2 1168.3 0 Details
11 Hermanus Rapid 2023 (B) Rapid 2023-04-22 2023-04-22 Overberg (WOS) 6 1066.9 6 2 1197.7 0 Details
12 Overberg Schools Open Tournament 2023 (Open) Rapid 2023-02-11 2023-02-11 Overberg (WOS) 5 1104.3 4 0 675.7 0 Details
13 Kleinmond Open Tournament 2022 (C) Rapid 2022-09-10 2022-09-10 Overberg (WOS) 5 1050.3 5 4 1441.3 0 Details
14 OCF Open 2022 (Open) Rapid 2022-04-09 2022-04-09 Overberg (WOS) 5 1076.2 5 0 904 0 Details
15 Kleinmond Open 2021 (U18+Open) Standard 2021-04-17 2021-04-17 Overberg (WOS) 5 1200 5 0 524.1 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 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 (History)
Games 84
Wins 23
Draws 1
Losses 60
White 44
Black 40
White wins 8
Black wins 15
Score 23.5
Percent 28
Dp -187.2
AOR 1263.3
Performance 1076.1
Rankings (Main)
National
Overall 17653
Gender 13242
Age group 337
Gender/Age 326
Provincial
Overall 5143
Gender 3773
Age group 137
Gender/Age 134
Regional
Overall 508
Gender 330
Age group 9
Gender/Age 9
Rankings (Standard)
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 (Rapid)
National
Overall 6078
Gender 4474
Age group 129
Gender/Age 120
Provincial
Overall 2416
Gender 1754
Age group 61
Gender/Age 59
Regional
Overall 404
Gender 253
Age group 8
Gender/Age 8
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 24
Score 9.5
Percent 39.6
Aor 1263.3
Dp -88.5
Prat 1174.8
Performance (History)
Games 84
Score 23.5
Percent 28
Aor 1263.3
Dp -187.2
Prat 1076.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Geerlings, WGF (Willem) 3 2 1 Hermanus Chess Club Open 2025 (Development) Western Cape Club Championship 2025 (C) Details
Overall 2 Mackenzie, T (Tyrol) 2 0 2 Overberg Schools & Federation Open 2025 (Open) Overberg Club Championship 2025 Details
Overall 3 Da Fonseca, M (Matthew) 2 2 0 Overberg Schools & Federation Open 2025 (Open) Hermanus Chess Club Open 2025 (Development) Details
Overall 4 Sonaba, L (Libhongo) 2 2 0 Zwelihle Chess Club Rapid 2023 (A+B) Overberg Club Championships 2023 (A+B) Details
Overall 5 Mfundisi, M (Mlibo) 2 0 2 Zwelihle Chess Club Rapid 2023 (A+B) Overberg Club Championships 2023 (A+B) Details
Rapid 1 Hendricks, L (Lakeisha) 2 2 0 Kleinmond Open Tournament 2022 (C) Kleinmond Chess Club Open 2025 (Advanced) Details
Rapid 2 Mfundisi, M (Mlibo) 2 0 2 Zwelihle Chess Club Rapid 2023 (A+B) Overberg Club Championships 2023 (A+B) Details
Rapid 3 Geerlings, WGF (Willem) 2 1 1 Hermanus Chess Club Open 2025 (Development) Kleinmond Chess Club Open 2025 (Advanced) Details
Rapid 4 Mackenzie, T (Tyrol) 2 0 2 Overberg Schools & Federation Open 2025 (Open) Overberg Club Championship 2025 Details
Rapid 5 Xamsana, A (Asive) 2 1 1 Zwelihle Chess Club Rapid 2023 (A+B) Overberg Schools & Federation Open 2025 (Open) Details