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Chess SA Region AOC

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Matthew Opperman

108077754
West Coast (WCU)
Personal
Main rating
Rating 1621.8
K-factor 28
Floor 1121.8
Highest 1621.8 (2026-02-28)
Min/Max +/- allowed 91
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1565.9
Final +/- 0
New Rating
()
Rating 1621.8
K-factor 28
Floor 1121.8
Highest 1621.8 (2026-02-28)
Min/Max +/- allowed 90.9
Standard rating
Rating 1540.5
K-factor 32
Floor 1041.2
Highest 1541.2 (2023-08-01)
Min/Max +/- allowed 102
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1440.8
Final +/- 0
New Rating
()
Rating 1540.5
K-factor 32
Floor 1041.2
Highest 1541.2 (2023-08-01)
Min/Max +/- allowed 102
Rapid rating
Rating 1610.6
K-factor 28
Floor 1110.6
Highest 1610.6 (2026-02-28)
Min/Max +/- allowed 92.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1630.7
Final +/- 0
New Rating
()
Rating 1610.6
K-factor 28
Floor 1110.6
Highest 1610.6 (2026-02-28)
Min/Max +/- allowed 92.4
Blitz rating
Rating 998
K-factor 40
Floor 500
Highest 1253.7 (2018-02-01)
Min/Max +/- allowed 153.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 998
K-factor 40
Floor 500
Highest 1253.7 (2018-02-01)
Min/Max +/- allowed 153.6
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 West Coast League 2026 (B) Rapid 2026-02-07 2026-02-07 West Coast (WCU) 5 1605.3 4 3.5 1812.6 0 Details
2 Pedro Booyse Top Schools 2025 (U19) Rapid 2025-08-23 2025-08-23 West Coast (WCU) 6 1586 6 5 1628 0 Details
3 Western Cape Women’s Championship 2025 (Sunday Rapid) Rapid 2025-08-10 2025-08-10 West Coast (WCU) 5 1586 5 4 1728 0 Details
4 Lower West Coast Top Schools 2025 (U19) Rapid 2025-06-14 2025-06-14 West Coast (WCU) 5 1578.9 4 3 1655.3 0 Details
5 West Coast And Mykonos Open 2025 (Advanced) Standard 2025-05-02 2025-05-04 West Coast (WCU) 6 1555.2 6 5 1665 0 Details
6 Western Cape Schools Individual Championship 2025 (U17 Boys) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1536.2 6 4 1636.9 0 Details
7 West Coast Schools Chess Prestige 2025 (U17 Boys) Standard 2025-03-08 2025-03-08 West Coast (WCU) 6 1506.9 6 5 1662.1 0 Details
8 Lower West Coast Prestige 2025 (U17 Boys) Rapid 2025-02-22 2025-02-22 West Coast (WCU) 5 1506.2 5 3.5 1496.4 0 Details
9 Western Cape Women’s Championship 2024 (Intermediate) Standard 2024-08-10 2024-08-10 West Coast (WCU) 5 1507.3 5 3 1340.2 0 Details
10 West Coast & Mykonos Open 2024 (Open) Standard 2024-05-17 2024-05-19 West Coast (WCU) 6 1502.8 6 4.5 1522.1 0 Details
11 Western Cape Inter Region Cup 2024 (U20 Boys) Standard 2024-03-23 2024-03-24 Overberg (WOS) 5 1555.7 5 2 1392.1 0 Details
12 Western Cape HS Individuals Championship 2024 (U18 Boys) Standard 2024-03-21 2024-03-22 Overberg (WOS) 6 1555.7 6 3 1418.8 0 Details
13 West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys) Rapid 2024-02-24 2024-02-24 West Coast (WCU) 5 1529.4 5 4 1599 0 Details
14 Lower West Coast Schools Chess Prestige 2024 (U18 Boys) Rapid 2024-02-17 2024-02-17 West Coast (WCU) 5 1529.4 5 5 1671.6 0 Details
15 2023 Western Cape Rural Cup (U16) Standard 2023-12-09 2023-12-10 Cape Winelands (WCW) 5 1536.8 3 1.5 1445.1 0 Details
16 Western Cape Top Schools 2023 (U18 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1549 6 3 1481.5 0 Details
17 CW Top Schools 2023 (Advanced) Standard 2023-08-11 2023-08-13 West Coast (WCU) 6 1565.2 6 3 1488.6 0 Details
18 Pedro Booyse Top Schools 2023 (High School) Standard 2023-07-29 2023-07-29 West Coast (WCU) 5 1546.9 5 5 1653.1 0 Details
19 Lower West Coast Top Schools Championships 2023 (High School) Rapid 2023-06-10 2023-06-10 West Coast (WCU) 5 1551.5 5 3.5 1515.2 0 Details
20 Western Cape HS Individuals 2023 (U15 Boys) Standard 2023-04-01 2023-04-02 Cape Town (WCT) 6 1521.2 6 4.5 1671.1 0 Details
21 West Coast High School Championships 2023 (U15 Boys) Standard 2023-02-18 2023-02-18 West Coast (WCU) 6 1480.1 6 5 1582.3 0 Details
22 Lower West Coast High Schools Prestige 2023 (U15 Boys) Rapid 2023-02-11 2023-02-11 West Coast (WCU) 5 1480.1 5 5 1733.7 0 Details
23 Genesis Chess Club Open 2023 (A) Rapid 2023-02-04 2023-02-04 West Coast (WCU) 5 1480.1 5 2.5 1415.4 0 Details
24 West Coast Schools Chess Grand Challenge 2022 (HS Super) Rapid 2022-10-29 2022-10-29 West Coast (WCU) 5 1467.2 5 4 1588.9 0 Details
25 Western Cape Top Schools 2022 (U15 Mix) Standard 2022-09-16 2022-09-17 Overberg (WOS) 5 1471.8 5 4 1552 0 Details
26 Western Cape Woman`s Championship 2022 (Open) Standard 2022-09-02 2022-09-04 West Coast (WCU) 5 1471.8 5 3 1362.8 0 Details
27 South African Open 2022 (U16) Standard 2022-07-11 2022-07-13 Cape Town (WCT) 6 1429.9 5 3 1516.6 0 Details
28 Curro Durbanville Chess Open Rapid 2022 (U16) Rapid 2022-07-02 2022-07-02 Cape Town (WCT) 7 1429.9 5 4 1506 0 Details
29 Pedro Booyse Top Schools 2022 (U15 Open) Standard 2022-07-23 2022-07-23 West Coast (WCU) 6 1429.9 4 4 1578.1 0 Details
30 Onder-Weskus Top Skole 2022 (Hoerskool) Rapid 2022-06-04 2022-06-04 West Coast (WCU) 5 1441.8 4 2 1308.4 0 Details
31 Western Cape Schools Chess 2022 (U15 Boys) Standard 2022-05-07 2022-05-08 Eden (WEG) 6 1490.8 6 2.5 1245.7 0 Details
32 West Coast Schools Prestige 2022 (U15 Boys) Standard 2022-02-19 2022-02-19 West Coast (WCU) 6 1457.1 6 5 1530.1 0 Details
33 SA National Team School Chess Championships 2022 (Boys) Standard 2022-02-04 2022-02-05 Lejweleputswa (FLW) 6 1457.1 6 4 1564.1 0 Details
34 Kraaifontein Rapid 2021 (Advanced) Rapid 2021-12-11 2021-12-12 Cape Town (WCT) 6 1492.6 5 1.5 1183.7 0 Details
35 Western Cape Schools Championship 2021 (U13 Boys) Rapid 2021-10-02 2021-10-02 Cape Town (WCT) 5 1480.1 5 3.5 1586.2 0 Details
36 West Coast Primary Schools Prestige 2021 (U13 Boys) Rapid 2021-09-18 2021-09-18 West Coast (WCU) 5 1480.5 5 4 1453.4 0 Details
37 Lower West Coast Schools Chess Prestige 2021 (U13 Boys) Rapid 2021-05-15 2021-05-15 West Coast (WCU) 5 1476.7 5 4 1501.6 0 Details
38 Western Cape Closed 2020 (Rapid) Rapid 2021-03-06 2021-03-06 Cape Town (WCT) 7 1495.5 6 3 1338.9 0 Details
39 West Coast Schools Prestige 2020 (U13 Boys) Rapid 2020-03-07 2020-03-07 West Coast (WCU) 5 1469 5 5 1708.2 0 Details
40 Onder Weskus Prestige 2020 (U13 Boys) Standard 2020-02-15 2020-02-22 West Coast (WCU) 6 1476 6 5.5 1566 0 Details
41 Back to School Rapid 2020 (Open) Rapid 2020-02-01 2020-02-01 West Coast (WCU) 5 1476 5 2 1188.8 0 Details
42 2019 Wild Card Chess Championship (U12 Open) Classical 2020-01-09 2020-01-12 4 Knights (4K) 7 1396.3 7 5 1493.8 0 Details
43 2019 South African Junior Team Championships (U12B) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1396.3 7 6 1597.8 0 Details
44 Western Cape Schools Kings & Queens 2019 (Boys) Rapid 2019-10-12 2019-10-12 West Coast (WCU) 5 1415.7 5 2 1248.9 0 Details
45 Western Cape Top Schools 2019 (U11 Mix) Standard 2019-08-31 2019-09-01 Cape Winelands (WCW) 5 1423.9 5 3 1362.8 0 Details
46 Western Cape Womans Month Tournament 2019 (Elite) Standard 2019-08-09 2019-08-11 West Coast (WCU) 7 1431.4 6 4 1392.4 0 Details
47 Weskus Topskole 2019 (U11) Rapid 2019-07-20 2019-07-20 West Coast (WCU) 5 1402.2 5 5 1651.9 0 Details
48 South African Schools Individuals Chess Championships 2019 (U13 Open) Standard 2019-06-18 2019-06-21 Frances Baard (NCF) 7 1407.5 7 4 1376.6 0 Details
49 Western Cape Schools Individuals 2019 (U11 Boys) Standard 2019-05-18 2019-05-19 Eden (WEG) 6 1341.4 6 5 1553.5 0 Details
50 Crossroads Open Chess Championship 2019 (C) Standard 2019-04-27 2019-04-28 Cape Town (WCT) 6 1260.6 3 2 1287.8 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 4
Wins 3
Draws 1
Losses 0
White 2
Black 2
White wins 2
Black wins 1
Score 3.5
Percent 87.5
Dp 318.8
AOR 1493.8
Performance 1812.6
Game statistics (History)
Games 338
Wins 226
Draws 23
Losses 89
White 166
Black 172
White wins 109
Black wins 117
Score 237.5
Percent 70.3
Dp 172.3
AOR 1270.3
Performance 1442.5
Rankings (Main)
National
Overall 860
Gender 799
Age group 95
Gender/Age 86
Provincial
Overall 262
Gender 243
Age group 21
Gender/Age 20
Regional
Overall 8
Gender 8
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 1295
Gender 1161
Age group 140
Gender/Age 122
Provincial
Overall 375
Gender 330
Age group 33
Gender/Age 30
Regional
Overall 9
Gender 9
Age group 1
Gender/Age 1
Rankings (Rapid)
National
Overall 147
Gender 143
Age group 13
Gender/Age 12
Provincial
Overall 69
Gender 66
Age group 7
Gender/Age 7
Regional
Overall 6
Gender 6
Age group 2
Gender/Age 2
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 4
Score 3.5
Percent 87.5
Aor 1493.8
Dp 318.8
Prat 1812.6
Performance (12 months)
Games 37
Score 29.5
Percent 79.7
Aor 1424.7
Dp 252.7
Prat 1677.4
Performance (History)
Games 338
Score 237.5
Percent 70.3
Aor 1270.3
Dp 172.3
Prat 1442.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Lewaks, S (Shaundre) 10 3 7 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) Lower West Coast Top Schools 2025 (U19) Details
Overall 2 Du Plessis, S (Stefan) 7 3 4 Onder Weskus Prestige 2020 (U13 Boys) Lower West Coast Top Schools 2025 (U19) Details
Overall 3 Titus, D (Dominique) 7 3 4 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) West Coast Schools Prestige 2020 (U13 Boys) Details
Overall 4 Visagie, C (Christopher) 5 3 2 Onder-Weskus Skole Proewe 2019 (O11 Seuns) West Coast Schools Chess Prestige 2025 (U17 Boys) Details
Overall 5 Schroeder, L (Liam) 5 3 2 Western Cape Top Schools 2019 (U11 Mix) Lower West Coast Prestige 2025 (U17 Boys) Details
Standard 1 Titus, D (Dominique) 5 2 3 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) Onder Weskus Prestige 2020 (U13 Boys) Details
Standard 2 Lewaks, S (Shaundre) 4 1 3 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) West Coast High School Championships 2023 (U15 Boys) Details
Standard 3 Cloete, A (Alesundro) 3 1 2 Pedro Booyse Top Schools 2022 (U15 Open) Western Cape Top Schools 2022 (U15 Mix) Details
Standard 4 Wu, J (Jason) 3 3 0 Western Cape Schools Chess 2022 (U15 Boys) Western Cape HS Individuals 2023 (U15 Boys) Details
Standard 5 Rosenberg, W (Wagheed) 3 2 1 Western Cape Schools Individuals 2019 (U11 Boys) South African Open 2022 (U16) Details
Rapid 1 Lewaks, S (Shaundre) 6 2 4 Onder-Weskus Skole Proewe 2019 (O11 Seuns) Lower West Coast Top Schools 2025 (U19) Details
Rapid 2 Du Plessis, S (Stefan) 5 2 3 Onder-Weskus Top Skole 2022 (Hoerskool) Lower West Coast Top Schools 2025 (U19) Details
Rapid 3 Visagie, C (Christopher) 4 2 2 Onder-Weskus Skole Proewe 2019 (O11 Seuns) West Coast Primary Schools Prestige 2021 (U13 Boys) Details
Rapid 4 Duiker, P (Phillip) 3 1 2 Lower West Coast Schools Chess Prestige 2021 (U13 Boys) Lower West Coast High Schools Prestige 2023 (U15 Boys) Details
Rapid 5 Limani, I (Indiphile) 3 2 1 Lower West Coast Top Schools 2025 (U19) Pedro Booyse Top Schools 2025 (U19) Details