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

PLAYER PAGE

Mika Van Der Westhuizen

2120138448
Overberg (WOS)
Personal
Main rating
Rating 1515.6
K-factor 32
Floor 1041.2
Highest 1541.2 (2025-11-30)
Min/Max +/- allowed 102
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1457.4
Final +/- 0
New Rating
()
Rating 1515.6
K-factor 32
Floor 1041.2
Highest 1541.2 (2025-11-30)
Min/Max +/- allowed 102
Standard rating
Rating 1541.9
K-factor 32
Floor 1063.3
Highest 1588.3 (2025-09-01)
Min/Max +/- allowed 95.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1436.5
Final +/- 0
New Rating
()
Rating 1541.9
K-factor 32
Floor 1063.3
Highest 1588.3 (2025-09-01)
Min/Max +/- allowed 95.4
Rapid rating
Rating 1363.3
K-factor 36
Floor 866.8
Highest 1539.9 (2022-06-01)
Min/Max +/- allowed 102.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1337.2
Final +/- 0
New Rating
()
Rating 1363.3
K-factor 36
Floor 866.8
Highest 1539.9 (2022-06-01)
Min/Max +/- allowed 102.2
Blitz rating
Rating 1292.2
K-factor 36
Floor 792.2
Highest 1292.2 (2025-11-30)
Min/Max +/- allowed 145.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1292.2
K-factor 36
Floor 792.2
Highest 1292.2 (2025-11-30)
Min/Max +/- allowed 145.4
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 (Elite) Classical 2026-08-07 2026-08-10 West Coast (WCU) 6 1515.6 6 4 1672.7 52.6 Details
2 Overberg Top Schools 2026 (U15) Standard 2026-08-01 2026-08-01 Overberg (WOS) 3 1515.6 3 3 1705.2 24 Details
3 South African Open Championship 2026 (U15 Girls) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1408.5 7 4.5 1519.1 30.5 Details
4 Curro Hermanus Winter Open 2026 (U15) Rapid 2026-06-20 2026-06-20 Overberg (WOS) 6 1396.3 6 4 1484.9 12.2 Details
5 Commonwealth Chess Championship 2026 Classical 2026-05-17 2026-05-25 Sri Lanka (SRI) 9 1498.3 9 1 1005.8 -128.9 Details
6 2026 WCSC HS Individual Championship (U15 Girls) Standard 2026-05-02 2026-05-03 Eden (WEG) 6 1498.3 6 4.5 1551.9 10.4 Details
7 Moja Chess Extravaganza 2026 (U14) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1498.3 5 2 1404.2 -13.7 Details
8 Hermanus Chess Club Open 2026 (Advanced) Rapid 2026-04-18 2026-04-18 Overberg (WOS) 7 1502.3 7 1.5 1228.7 -34.6 Details
9 South African Junior Closed Chess Championship 2026 (U14 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1502.3 9 5.5 1596.7 30.7 Details
10 Steinitz Chess Festival 2026 (Advanced) Standard 2026-03-20 2026-03-22 Cape Town (WCT) 6 1530.7 5 1.5 1171.3 -61.9 Details
11 Overberg Schools High School Closed 2026 (U15 Girls) Standard 2026-03-07 2026-03-07 Overberg (WOS) 5 1530.7 5 4.5 1736.3 33.5 Details
12 Overberg Schools High School Trials 2026 (U15 Girls) Rapid 2026-02-21 2026-02-21 Overberg (WOS) 6 1519.4 6 5 1602.9 7.3 Details
13 2025 Mzansi Individual Championships (U14 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1541 6 3.5 1500.3 -4 Details
14 2025 Mzansi Inter Provincial Team Championships (U14 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1541 6 5.5 1666.9 15.1 Details
15 Kraaifontein Open 2025 (Junior Rapid U14) Rapid 2025-12-06 2025-12-06 Cape Town (WCT) 6 1541 6 2.5 1247.9 -24.6 Details
16 Hermanus Chess Club November Blitz 2025 (Junior) Blitz 2025-11-29 2025-11-29 Overberg (WOS) 9 1532.8 9 7 1631.9 5.1 Details
17 Curro Chess Open Rapid 2025 (U14) Rapid 2025-08-23 2025-08-23 Cape Town (WCT) 6 1523.8 6 3 1355.9 -12.6 Details
18 Overberg Top Schools 2025 (U13) Standard 2025-08-02 2025-08-02 Overberg (WOS) 5 1523.8 5 5 1716 18.3 Details
19 Cape Winelands Open 2025 (U14) Standard 2025-07-19 2025-07-19 Cape Winelands (WCW) 5 1490.2 5 4 1615.4 11.6 Details
20 Western Cape Schools Individual Championship 2025 (U13 Girls) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1400.2 6 4.5 1725.9 38 Details
21 West Coast And Mykonos Open 2025 (U14) Standard 2025-05-02 2025-05-04 West Coast (WCU) 5 1400.2 5 3 1446.2 4.3 Details
22 South African Junior Closed Chess Championships 2025 (U14 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1391.6 9 4 1414 5.4 Details
23 Cape Town Open Chess Festival 2025 (U14) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1398.9 5 2 1224.2 -16.3 Details
24 Overberg Schools - PS Closed 2025 (U13 Girls) Standard 2025-03-08 2025-03-08 Overberg (WOS) 5 1398.9 4 3 1531.8 10.5 Details
25 Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) Rapid 2025-02-22 2025-02-22 Overberg (WOS) 6 1387.6 6 4.5 1481.1 7.1 Details
26 Helderberg Chess Club PS Development Tournament 2025 (U13 Girls) Standard 2025-01-25 2025-01-25 Cape Town (WCT) 5 1337.4 5 3 1408.5 7.6 Details
27 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1379.6 6 2 1193.6 -26.2 Details
28 Overberg GP Invitational Day 2 2024 (B) Standard 2024-09-27 2024-09-27 Overberg (WOS) 5 1400.9 5 3.5 1437.1 3 Details
29 Overberg GP Invitational Day 1 2024 (B) Standard 2024-09-26 2024-09-26 Overberg (WOS) 5 1400.9 5 3 1375.4 -3.2 Details
30 Kingsway Chess Open 2024 (U12) Rapid 2024-09-14 2024-09-14 Overberg (WOS) 6 1400.9 6 3 1434.3 1.3 Details
31 Western Cape Top Schools Championship 2024 (U13 Mixed) Standard 2024-08-30 2024-09-01 Eden (WEG) 6 1400.9 6 2 1278.1 -14.4 Details
32 Overberg Schools - Top Schools 2024 (U13 Mixed) Standard 2024-07-27 2024-07-27 Overberg (WOS) 5 1362.9 5 5 1595.9 23.7 Details
33 Western Cape PS Individuals Championship 2024 (U13 Girls) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1374.9 6 3 1309.5 -7.5 Details
34 Hermanus Chess Club Open 2024 (Intermediate) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1421.1 7 2 1041.9 -29 Details
35 Overberg Schools - PS Closed 2024 (U13 Girls) Standard 2024-03-16 2024-03-16 Overberg (WOS) 5 1437 5 4 1410.9 -1.7 Details
36 Overberg Schools - PS Trials Region 3 2024 (U13 Girls) Rapid 2024-03-02 2024-03-02 Overberg (WOS) 5 1437 5 3 1309.5 -8.3 Details
37 2023 Western Cape Rural Cup (U12) Standard 2023-12-09 2023-12-10 Cape Winelands (WCW) 5 1410.4 4 3 1624.8 16.8 Details
38 Bonnievale Open Rapid 2023 (U12) Rapid 2023-10-21 2023-10-21 Cape Winelands (WCW) 6 1411.6 6 3.5 1401.8 -0.7 Details
39 Western Cape Top Schools 2023 (U11 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1419.3 6 3.5 1375.6 -5 Details
40 Overberg Top Schools 2023 (U11) Standard 2023-08-05 2023-08-05 Overberg (WOS) 5 1400.2 5 4.5 1511.9 11.8 Details
41 Overberg Club Championships 2023 (A+B) Rapid 2023-07-29 2023-07-29 Overberg (WOS) 5 1384.2 5 4 1515 8.9 Details
42 Zwelihle Chess Club Rapid 2023 (C) Rapid 2023-06-17 2023-06-17 Overberg (WOS) 6 1364.7 6 5 1526.5 10.9 Details
43 Western Cape PS Individuals 2023 (U11 Girls) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1252.1 6 6 1768.5 60.4 Details
44 Hermanus Rapid 2023 (C) Rapid 2023-04-22 2023-04-22 Overberg (WOS) 6 1280.5 6 2 1071.5 -16 Details
45 Overberg School Chess Closed Tournament 2023 (U11 Girls) Standard 2023-03-25 2023-03-25 Overberg (WOS) 5 1206.6 5 4 1488.1 28.2 Details
46 Overberg Primary School Trials (Region 2) Rapid 2023-02-24 2023-03-10 Overberg (WOS) 6 1206.6 5 3.5 1401.3 11.2 Details
47 Overberg Schools Open Tournament 2023 (U12) Rapid 2023-02-11 2023-02-11 Overberg (WOS) 5 1199.3 5 3 1259.3 3.8 Details
48 OCF Youth Day Tournament 2022 (C) Rapid 2022-06-18 2022-06-18 Overberg (WOS) 5 1164.7 5 4.5 1549.8 17.2 Details
49 Western Cape Schools 2022 (U11 Girls) Standard 2022-05-28 2022-05-29 Cape Winelands (WCW) 6 1197.3 5 1 1027.4 -16.4 Details
50 Overberg Primary Schools Closed 2022 (U11 Girls) Standard 2022-03-12 2022-03-12 Overberg (WOS) 5 1200 4 2 1184 -1.2 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 74
Wins 35
Draws 12
Losses 27
White 37
Black 37
White wins 14
Black wins 21
Score 41
Percent 55.4
Dp 45.9
AOR 1402.8
Performance 1448.7
Game statistics (History)
Games 286
Wins 161
Draws 29
Losses 96
White 142
Black 144
White wins 78
Black wins 83
Score 175.5
Percent 61.4
Dp 96.6
AOR 1332.6
Performance 1429.2
Rankings (Main)
National
Overall 1825
Gender 215
Age group 207
Gender/Age 38
Provincial
Overall 543
Gender 75
Age group 68
Gender/Age 11
Regional
Overall 18
Gender 3
Age group 4
Gender/Age 2
Rankings (Standard)
National
Overall 1397
Gender 156
Age group 156
Gender/Age 26
Provincial
Overall 399
Gender 53
Age group 45
Gender/Age 8
Regional
Overall 11
Gender 3
Age group 3
Gender/Age 2
Rankings (Rapid)
National
Overall 1295
Gender 201
Age group 221
Gender/Age 47
Provincial
Overall 576
Gender 99
Age group 93
Gender/Age 21
Regional
Overall 56
Gender 16
Age group 8
Gender/Age 5
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 74
Score 41
Percent 55.4
Aor 1402.8
Dp 45.9
Prat 1448.7
Performance (12 months)
Games 101
Score 59.5
Percent 58.9
Aor 1393.4
Dp 75.7
Prat 1469.2
Performance (History)
Games 286
Score 175.5
Percent 61.4
Aor 1332.6
Dp 96.6
Prat 1429.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stevens, DA (Danielle-Ann) 11 6 5 Overberg Primary Schools Closed 2022 (U11 Girls) Moja Chess Extravaganza 2026 (U14) Details
Overall 2 Hagen, S (Sophia) 6 3 3 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Championship) South African Open Championship 2026 (U15 Girls) Details
Overall 3 Buhr, G (Gretchen) 5 0 5 Overberg Primary Schools Closed 2022 (U11 Girls) Overberg Schools High School Closed 2026 (U15 Girls) Details
Overall 4 Cilliers, D (Dene) 5 3 2 Bonnievale Open Rapid 2023 (U12) Cape Winelands Open 2025 (U14) Details
Overall 5 Rock, M (Mieke) 4 2 2 Overberg Schools - PS Closed 2024 (U13 Girls) Curro Hermanus Winter Open 2026 (U15) Details
Standard 1 Hagen, S (Sophia) 6 3 3 Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Championship) South African Open Championship 2026 (U15 Girls) Details
Standard 2 Stevens, DA (Danielle-Ann) 6 3 3 Overberg Primary Schools Closed 2022 (U11 Girls) Moja Chess Extravaganza 2026 (U14) Details
Standard 3 Beyers, S (Skylar) 3 0 3 Overberg School Chess Closed Tournament 2023 (U11 Girls) Western Cape Top Schools 2023 (U11 Mixed) Details
Standard 4 Van Greunen, M (Melaney) 3 2 1 South African Junior Closed Chess Championships 2025 (U14 Girls) 2025 Mzansi Individual Championships (U14 Girls) Details
Standard 5 Rock, M (Mieke) 3 1 2 Overberg Schools - PS Closed 2024 (U13 Girls) Overberg GP Invitational Day 2 2024 (B) Details
Rapid 1 Stevens, DA (Danielle-Ann) 5 3 2 OCF Youth Day Tournament 2022 (C) Overberg Schools High School Trials 2026 (U15 Girls) Details
Rapid 2 Buhr, G (Gretchen) 2 0 2 Overberg Primary School Trials (Region 2) Overberg Schools High School Trials 2026 (U15 Girls) Details
Rapid 3 Cilliers, D (Dene) 2 1 1 Bonnievale Open Rapid 2023 (U12) Kingsway Chess Open 2024 (U12) Details
Rapid 4 Van Der Linde, L (Luandi) 2 0 2 OCF Youth Day Tournament 2022 (C) Curro Hermanus Winter Open 2026 (U15) Details
Rapid 5 Ntontelo, K (Khazimla) 2 2 0 Overberg Primary School Trials (Region 2) Overberg Schools - PS Trials (Region 1) 2025 (U13 Girls) Details