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

PLAYER PAGE

Adrihan Viljoen

1140135534
Cape Town (WCT)
Personal
Main rating
Rating 1402.6
K-factor 32
Floor 1010.2
Highest 1510.2 (2026-07-01)
Min/Max +/- allowed 107
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1294.3
Final +/- 0
New Rating
()
Rating 1402.6
K-factor 32
Floor 1010.2
Highest 1510.2 (2026-07-01)
Min/Max +/- allowed 106.6
Standard rating
Rating 1370.6
K-factor 32
Floor 1010.2
Highest 1510.2 (2026-07-01)
Min/Max +/- allowed 106.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1294.3
Final +/- 0
New Rating
()
Rating 1370.6
K-factor 32
Floor 1010.2
Highest 1510.2 (2026-07-01)
Min/Max +/- allowed 106.6
Rapid rating
Rating 1406.9
K-factor 32
Floor 906.9
Highest 1406.9 (2025-11-01)
Min/Max +/- allowed 123.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1250.7
Final +/- 0
New Rating
()
Rating 1406.9
K-factor 32
Floor 906.9
Highest 1406.9 (2025-11-01)
Min/Max +/- allowed 123.5
Blitz rating
Rating 1200
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 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 Women's Championship 2026 (Intermediate) Standard 2026-08-09 2026-08-10 West Coast (WCU) 5 1402.6 5 1 998.2 -72.7 Details
2 Western Cape Women's Championship 2026 (U14) Standard 2026-08-08 2026-08-08 West Coast (WCU) 5 1402.6 5 3 1480.4 2.4 Details
3 South African Open Championship 2026 (U13 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1510.2 7 4 1371.6 -37.3 Details
4 CTCF Open Championship 2026 (U14) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1501.5 6 4 1514.6 3.3 Details
5 2026 WCSC PS Individual Championship (U13 Boys) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1444.6 6 4 1638.6 34 Details
6 Moja Chess Extravaganza 2026 (U12) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1444.6 5 2 1494.1 6.5 Details
7 Cape Winelands Schools - Prestige 2026 (U13 Boys) Standard 2026-03-21 2026-03-21 Cape Winelands (WCW) 5 1444.1 5 3 1439.2 0.5 Details
8 Cape Winelands Schools - Primary Schools Trials 1 2026 (U13 Boys) Standard 2026-02-14 2026-02-14 Cape Winelands (WCW) 5 1435.2 5 4 1499.4 5.6 Details
9 Langeberg Club 2025 (U12) Rapid 2025-10-04 2025-10-04 Cape Winelands (WCW) 6 1429.9 6 4 1466.5 3.3 Details
10 Cape Winelands Top Schools 2025 (U13) Rapid 2025-08-23 2025-08-23 Cape Winelands (WCW) 5 1386.2 2 2 1943.9 16.5 Details
11 Western Cape Women’s Championship 2025 (U12) Standard 2025-08-09 2025-08-09 West Coast (WCU) 5 1386.2 5 3 1456.9 6.1 Details
12 Western Cape Women’s Championship 2025 (Sunday Rapid) Rapid 2025-08-10 2025-08-10 West Coast (WCU) 5 1386.2 5 3 1455.3 1.5 Details
13 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1358 6 3 1414.8 6.6 Details
14 West Coast And Mykonos Open 2025 (U12) Standard 2025-05-02 2025-05-04 West Coast (WCU) 5 1358 5 3 1433.2 9.2 Details
15 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1375.9 9 3 1325.9 -10 Details
16 Cape Town Open Chess Festival 2025 (U12) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1378.9 5 2 1224.2 -15.8 Details
17 Cape Winelands Schools Prestige 2025 (U11 Boys) Standard 2025-03-08 2025-03-08 Cape Winelands (WCW) 5 1378.9 5 4 1514.3 14.1 Details
18 Cape Winelands Schools - Trials 1 2025 (U11 Boys) Standard 2025-02-22 2025-02-22 Cape Winelands (WCW) 5 1355 5 4 1452.3 10.3 Details
19 Laerskool Welgemoed Rapid 2025 (U12) Rapid 2025-02-15 2025-02-15 Cape Town (WCT) 6 1355 6 4 1341.2 -1.1 Details
20 Marie Delport Memorial 2025 (U12 Boys) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1335.5 6 4 1427.3 10.8 Details
21 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Candidates) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1296.3 7 4.5 1426.1 22.2 Details
22 Worcester Knock-Out 2024 (U11 Boys) Rapid 2024-10-19 2024-10-19 Cape Winelands (WCW) 6 1336.2 6 5 1493.2 13.4 Details
23 UCT Open Chess Championship 2024 (Intermediate) Standard 2024-10-12 2024-10-13 Cape Town (WCT) 6 1336.2 5 1 995.7 -35.7 Details
24 Chess Elevation Series -September 2024 (Level 1) Standard 2024-09-20 2024-09-21 Cape Town (WCT) 5 1325.3 5 2 1214 -10.7 Details
25 Akkertjies Invitational 2024 (U13 Boys) Standard 2024-09-14 2024-09-14 Cape Winelands (WCW) 5 1325.3 5 4 1441.6 10.6 Details
26 Western Cape Women’s Championship 2024 (U12) Standard 2024-08-09 2024-08-09 West Coast (WCU) 5 1290.4 5 2 1213.3 -8.5 Details
27 De Villiers PS Tournament 2024 (U14) Standard 2024-08-17 2024-08-17 Cape Winelands (WCW) 5 1290.4 5 4 1577.5 27.2 Details
28 Curro Durbanville Chess Rapid Open 2024 (Beginner) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1270 6 4 1391.9 11.3 Details
29 West Coast & Mykonos Open 2024 (U12) Standard 2024-05-18 2024-05-18 West Coast (WCU) 5 1260.4 2 1 1306.2 1.8 Details
30 Worcester PS League 2024 (U11) Standard 2024-04-27 2024-04-27 Cape Winelands (WCW) 5 1260.4 4 2.5 1303.7 3.5 Details
31 Hermanus Chess Club Open 2024 (Development) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1271.1 7 4 1198.4 -5.9 Details
32 Cape Winelands Schools - Prestige 2024 (U11 Boys) Standard 2024-03-02 2024-03-02 Cape Winelands (WCW) 5 1259.7 5 2.5 1318.5 6.3 Details
33 Cape of Good Hope Open Chess Tournament 2024 (U10) Rapid 2024-02-17 2024-02-17 Cape Town (WCT) 6 1240 6 3 1176 -5.4 Details
34 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) Rapid 2024-02-10 2024-02-10 Cape Winelands (WCW) 6 1240 6 4 1415.2 16.1 Details
35 Cape Winelands - Marie Delport Memorial 2024 (U12) Rapid 2024-01-27 2024-01-27 Cape Winelands (WCW) 6 1255.2 6 2.5 1128.2 -8.5 Details
36 Western Cape Schools 2022 (U9 Boys) Standard 2022-05-28 2022-05-29 Cape Winelands (WCW) 6 1300.9 6 2 1082.9 -26.1 Details
37 WN Akkertjies 2022 (Juniors) Standard 2022-04-27 2022-04-27 Cape Winelands (WCW) 6 1257.9 6 5 1462 24.1 Details
38 Cape Winelands Schools 2022 (U9 Boys) Standard 2022-03-12 2022-03-12 Cape Winelands (WCW) 5 1215.2 5 4 1452.4 23.9 Details
39 Worcester Schools Trials 2022 (U9 Boys+Girls) Rapid 2022-02-19 2022-02-19 Cape Winelands (WCW) 5 1189 4 3 1421.4 13.2 Details
40 Cape Winelands Schools Trials 2021 (U9 Boys) Rapid 2021-10-16 2021-10-16 Cape Winelands (WCW) 5 1200 5 2 1128.2 -5.7 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 44
Wins 25
Draws 0
Losses 19
White 23
Black 21
White wins 14
Black wins 11
Score 25
Percent 56.8
Dp 58
AOR 1375.6
Performance 1433.6
Game statistics (History)
Games 215
Wins 121
Draws 10
Losses 84
White 109
Black 106
White wins 66
Black wins 55
Score 126
Percent 58.6
Dp 73.1
AOR 1294.1
Performance 1367.3
Rankings (Main)
National
Overall 3554
Gender 3011
Age group 429
Gender/Age 312
Provincial
Overall 1069
Gender 865
Age group 148
Gender/Age 97
Regional
Overall 521
Gender 439
Age group 58
Gender/Age 41
Rankings (Standard)
National
Overall 3736
Gender 3095
Age group 513
Gender/Age 365
Provincial
Overall 1079
Gender 839
Age group 176
Gender/Age 113
Regional
Overall 516
Gender 419
Age group 69
Gender/Age 45
Rankings (Rapid)
National
Overall 921
Gender 805
Age group 150
Gender/Age 118
Provincial
Overall 421
Gender 363
Age group 67
Gender/Age 54
Regional
Overall 187
Gender 173
Age group 26
Gender/Age 23
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 44
Score 25
Percent 56.8
Aor 1375.6
Dp 58
Prat 1433.6
Performance (12 months)
Games 50
Score 29
Percent 58
Aor 1369.5
Dp 68
Prat 1437.5
Performance (History)
Games 215
Score 126
Percent 58.6
Aor 1294.1
Dp 73.1
Prat 1367.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Tonder, L (Luhann) 4 1 3 Worcester Schools Trials 2022 (U9 Boys+Girls) Cape Winelands Schools - Prestige 2024 (U11 Boys) Details
Overall 2 Milhomem, D (Daniel) 3 0 3 Cape Winelands Schools Trials 2021 (U9 Boys) Cape Winelands Schools 2022 (U9 Boys) Details
Overall 3 Stern, M (Mason) 3 0 3 Marie Delport Memorial 2025 (U12 Boys) Western Cape Women's Championship 2026 (U14) Details
Overall 4 Prinsloo, W (Willem) 2 1 1 Marie Delport Memorial 2025 (U12 Boys) Cape Winelands Schools - Trials 1 2025 (U11 Boys) Details
Overall 5 Robertson, M (Marvin) 2 2 0 Cape Winelands Schools - Prestige 2024 (U11 Boys) Marie Delport Memorial 2025 (U12 Boys) Details
Standard 1 Stern, M (Mason) 3 0 3 Marie Delport Memorial 2025 (U12 Boys) Western Cape Women's Championship 2026 (U14) Details
Standard 2 Van Tonder, L (Luhann) 3 0 3 Cape Winelands Schools 2022 (U9 Boys) Cape Winelands Schools - Prestige 2024 (U11 Boys) Details
Standard 3 Cilliers, D (Dene) 2 1 1 West Coast & Mykonos Open 2024 (U12) Western Cape Women’s Championship 2024 (U12) Details
Standard 4 Goncalves Alho, M (Miguel) 2 1 1 Cape Winelands Schools - Prestige 2024 (U11 Boys) Cape Winelands Schools - Prestige 2026 (U13 Boys) Details
Standard 5 Weng, I (Ivan) 2 0 2 Cape Winelands Schools - Trials 1 2025 (U11 Boys) Cape Winelands Schools Prestige 2025 (U11 Boys) Details
Rapid 1 Lambrechts, M (Madison) 2 0 2 Cape Winelands - Marie Delport Memorial 2024 (U12) Curro Durbanville Chess Rapid Open 2024 (Beginner) Details
Rapid 2 Van Wyk, M (Micaile) 2 2 0 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) Langeberg Club 2025 (U12) Details
Rapid 3 Krynauw, E (Eben) 2 1 1 Cape Winelands - Marie Delport Memorial 2024 (U12) Worcester Knock-Out 2024 (U11 Boys) Details
Rapid 4 Milhomem, D (Daniel) 2 0 2 Cape Winelands Schools Trials 2021 (U9 Boys) Worcester Schools Trials 2022 (U9 Boys+Girls) Details