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

PLAYER PAGE

Schalk Wolf Van Der Merwe

1150136552
Cape Town (WCT)
Personal
Main rating
Rating 1806.5
K-factor 24
Floor 1306.5
Highest 1806.5 (2026-09-01)
Min/Max +/- allowed 70
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1728
Final +/- 0
New Rating
()
Rating 1806.5
K-factor 24
Floor 1306.5
Highest 1806.5 (2026-09-01)
Min/Max +/- allowed 69.9
Standard rating
Rating 1798.7
K-factor 28
Floor 1298.7
Highest 1798.7 (2026-09-01)
Min/Max +/- allowed 70.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1743.2
Final +/- 0
New Rating
()
Rating 1798.7
K-factor 28
Floor 1298.7
Highest 1798.7 (2026-09-01)
Min/Max +/- allowed 70.7
Rapid rating
Rating 1742.1
K-factor 28
Floor 1264.3
Highest 1764.3 (2025-03-01)
Min/Max +/- allowed 74.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1686.9
Final +/- 0
New Rating
()
Rating 1742.1
K-factor 28
Floor 1264.3
Highest 1764.3 (2025-03-01)
Min/Max +/- allowed 74.2
Blitz rating
Rating 1378.8
K-factor 36
Floor 878.8
Highest 1378.8 (2025-05-05)
Min/Max +/- allowed 128.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1378.8
K-factor 36
Floor 878.8
Highest 1378.8 (2025-05-05)
Min/Max +/- allowed 128.5
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 Cape Town Metro North Top Schools – Primary Schools 2026 (U13 Mixed) Standard 2026-08-01 2026-08-02 Cape Town (WCT) 6 1806.5 6 6 1766.2 6.4 Details
2 FIDE ISCF World Schools Team Championship 2026 (African Continental Stage) Rapid 2026-07-07 2026-07-10 South Africa (RSA) 8 1775.4 8 5 1796.7 4.6 Details
3 South African Open Championship 2026 (U11 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1775.4 7 5.5 1866 20.1 Details
4 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1783.3 9 6 1758.8 -7.9 Details
5 CT Metro Schools Individual Closed 2026 (U11 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1793.2 6 4.5 1731.5 -9.9 Details
6 Laerskool Welgemoed Rapid 2026 (U12) Rapid 2026-02-14 2026-02-14 Cape Town (WCT) 6 1753.5 6 5.5 1840.8 8.4 Details
7 CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1753.5 6 6 1894.1 14.2 Details
8 Helderberg Chess Club Open 2026 (U11 Mixed) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1756.3 5 5 1966.1 6.8 Details
9 Chess Elevation Series 1 2026 (Level 6) Standard 2026-01-07 2026-01-08 Cape Town (WCT) 5 1756.3 4 0 1493.5 -23.3 Details
10 Cape Town Chess Federation Club League 2025 (A) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1746 7 2 1717.6 -4 Details
11 Cape Town Chess Federation Club League 2025 (C) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1746 0 0 0 0 Details
12 Paarl Boys' High School Chess Festival 2025 (Primary Schools) Standard 2025-10-17 2025-10-18 Cape Winelands (WCW) 6 1746 6 4.5 1810.1 8.5 Details
13 UCT Open Chess Championship 2025 (U10) Rapid 2025-10-11 2025-10-11 Cape Town (WCT) 6 1746 6 5 1719.5 -1.8 Details
14 Royal Rapid Challenge 2025 (A) Rapid 2025-10-04 2025-10-04 Cape Town (WCT) 7 1746 7 4.5 1795.8 5.1 Details
15 Western Cape Schools - Top Schools 2025 (U13) Standard 2025-09-06 2025-09-07 Overberg (WOS) 6 1729.1 6 5.5 1808.8 12 Details
16 Curro Chess Open Rapid 2025 (U12) Rapid 2025-08-23 2025-08-23 Cape Town (WCT) 6 1711.2 6 5.5 1805.6 8.7 Details
17 Cape Town Metro North Top Schools 2025 (U13) Standard 2025-08-01 2025-08-02 Cape Town (WCT) 5 1711.2 5 5 1697.7 4 Details
18 Cape Town Chess Junior League 2025 (U12) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1677.9 6 6 1859.8 23.7 Details
19 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1654.4 6 5 1796.4 16.8 Details
20 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1723.1 11 5 1570.8 -10 Details
21 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1723.1 11 5 1615.2 -13.4 Details
22 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1723.1 9 5.5 1595.5 -25.6 Details
23 CT Metro Schools Individual Closed 2025 (U11 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1674.5 6 5.5 1860.2 22.5 Details
24 Cape of Good Hope Open 2025 (U10) Rapid 2025-02-22 2025-02-22 Cape Town (WCT) 6 1642.7 6 6 1801.6 12.7 Details
25 Laerskool Welgemoed Rapid 2025 (U12) Rapid 2025-02-15 2025-02-15 Cape Town (WCT) 6 1642.7 6 6 1796.2 13.3 Details
26 CT Metro North Schools Chess Individual Trials 2025 (U11 Open) Standard 2025-02-08 2025-02-09 Cape Town (WCT) 6 1642.7 6 5 1610.6 -3.3 Details
27 Helderberg Chess Club PS Development Tournament 2025 (U11 Boys) Standard 2025-01-25 2025-01-25 Cape Town (WCT) 5 1605.3 5 4.5 1718.4 11.6 Details
28 Cape Town Masters Challenge 2025 (Blitz) Blitz 2025-01-09 2025-01-09 Cape Town (WCT) 7 1605.3 7 3 1572.2 -1.3 Details
29 2025 Kraaifontein Open Chess Championships (Rapid Open) Rapid 2025-01-05 2025-01-05 Cape Town (WCT) 6 1605.3 6 4 1610.5 0.6 Details
30 2025 Kraaifontein Open Chess Championships (U12 Rapid) Rapid 2025-01-04 2025-01-04 Cape Town (WCT) 6 1605.3 6 6 1787.2 15.7 Details
31 Laerskool Welgemoed Rapid 2024 (U10) Rapid 2024-10-19 2024-10-19 Cape Town (WCT) 6 1546.4 6 6 1765.2 16.9 Details
32 UCT Open Chess Championship 2024 (U10) Rapid 2024-10-12 2024-10-13 Cape Town (WCT) 6 1546.4 6 6 1761.4 16.8 Details
33 Spring Slam 2024 (U12) Rapid 2024-10-05 2024-10-05 Cape Town (WCT) 6 1546.4 6 6 1670.9 8.5 Details
34 CT League 2024 (A) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1626.3 4 0 1187.2 -40.4 Details
35 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1626.3 2 0 1084.5 -27.2 Details
36 Kingsway Chess Open 2024 (U12) Rapid 2024-09-14 2024-09-14 Overberg (WOS) 6 1626.3 6 5.5 1712.1 7.6 Details
37 Western Cape Top Schools Championship 2024 (U11 Mixed) Standard 2024-08-30 2024-09-01 Eden (WEG) 6 1626.3 6 4 1645 2.3 Details
38 CT District North Top Schools 2024 (U11 Mixed) Rapid 2024-07-27 2024-07-27 Cape Town (WCT) 5 1622.8 5 5 1635.1 2.5 Details
39 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1630.9 9 5.5 1591.5 -5.8 Details
40 South African Junior Closed Chess Championship 2024 (U10 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1572.8 9 6.5 1663.9 18.4 Details
41 Western Cape PS Individuals Championship 2024 (U9 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1572.8 6 5.5 1724.5 17.9 Details
42 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1572.6 7 4 1566.2 0.1 Details
43 Cape Town Open Rapid Chess Championship 2024 (U10) Rapid 2024-03-16 2024-03-16 Cape Town (WCT) 6 1502.3 6 6 1663.7 12.5 Details
44 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1502.3 6 6 1770.9 31.5 Details
45 North District School Trials 2024 (U9 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1521.7 5 5 1665.8 13.6 Details
46 Cape of Good Hope Open Chess Tournament 2024 (Advanced) Standard 2024-02-17 2024-02-17 Cape Town (WCT) 6 1521.7 6 2 1311.3 -25.9 Details
47 Kraaifontein Open 2023 (U10) Rapid 2023-12-09 2023-12-09 Cape Town (WCT) 6 1493.7 5 5 1747.9 17.6 Details
48 FIDE WORLD CADETS CHESS CHAMPIONSHIPS 2023 Classical 2023-10-16 2023-10-26 Egypt (EGY) 11 1589 10 3.5 1066 -109.8 Details
49 WP Club League 2023 (B) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1557.6 3 1 1195.4 -28 Details
50 Western Cape Closed Championship 2023 (U10) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1557.6 6 5 1633.8 6.1 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 57
Wins 40
Draws 7
Losses 10
White 29
Black 28
White wins 20
Black wins 20
Score 43.5
Percent 76.3
Dp 223.7
AOR 1573.9
Performance 1797.6
Game statistics (History)
Games 473
Wins 335
Draws 32
Losses 106
White 238
Black 235
White wins 173
Black wins 162
Score 351
Percent 74.2
Dp 205.8
AOR 1397.5
Performance 1603.3
Rankings (Main)
National
Overall 260
Gender 247
Age group 4
Gender/Age 4
Provincial
Overall 84
Gender 80
Age group 3
Gender/Age 3
Regional
Overall 69
Gender 66
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 259
Gender 245
Age group 4
Gender/Age 4
Provincial
Overall 80
Gender 77
Age group 3
Gender/Age 3
Regional
Overall 67
Gender 64
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 65
Gender 65
Age group 1
Gender/Age 1
Provincial
Overall 31
Gender 31
Age group 1
Gender/Age 1
Regional
Overall 24
Gender 24
Age group 1
Gender/Age 1
Rankings (Blitz)
National
Overall 243
Gender 236
Age group 3
Gender/Age 3
Provincial
Overall 92
Gender 89
Age group 1
Gender/Age 1
Regional
Overall 36
Gender 35
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 57
Score 43.5
Percent 76.3
Aor 1573.9
Dp 223.7
Prat 1797.6
Performance (12 months)
Games 83
Score 59.5
Percent 71.7
Aor 1601.6
Dp 184.3
Prat 1786
Performance (History)
Games 473
Score 351
Percent 74.2
Aor 1397.5
Dp 205.8
Prat 1603.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stern, M (Mason) 16 9 7 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) South African Open Championship 2026 (U11 Boys) Details
Overall 2 Resnekov, O (Oliver) 8 4 4 2022 Cape Of Good Hope Open (U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Overall 3 Marais, A (Alexander) 7 2 5 Laerskool Welgemoed Rapid 2023 (U10) UCT Open Chess Championship 2025 (U10) Details
Overall 4 Zhang, M (Ming Xuan Jesse) 7 2 5 UCT Open Chess Championship 2024 (U10) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Overall 5 Nel, J (Joshua) 6 4 2 Western Cape PS Individuals Championship 2024 (U9 Boys) Royal Rapid Challenge 2025 (A) Details
Standard 1 Resnekov, O (Oliver) 7 3 4 2022 Cape Of Good Hope Open (U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Standard 2 Stern, M (Mason) 6 5 1 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) South African Open Championship 2026 (U11 Boys) Details
Standard 3 Nel, J (Joshua) 4 2 2 Western Cape PS Individuals Championship 2024 (U9 Boys) Western Cape Schools - Top Schools 2025 (U13) Details
Standard 4 Beukes, B (Benjamin) 4 1 3 North District School Trials 2024 (U9 Boys) CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) Details
Standard 5 Nkabinde, N (Nkazimulo) 4 0 4 2022 South African Junior Team Chess Championships (U8 Open+Girls) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Rapid 1 Stern, M (Mason) 10 4 6 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 2 Marais, A (Alexander) 5 2 3 Laerskool Welgemoed Rapid 2023 (U10) UCT Open Chess Championship 2025 (U10) Details
Rapid 3 Zhang, M (Ming Xuan Jesse) 5 2 3 UCT Open Chess Championship 2024 (U10) UCT Open Chess Championship 2025 (U10) Details
Rapid 4 Whyatt, B (Benji) 4 1 3 Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys) Curro Chess Open Rapid 2025 (U12) Details
Rapid 5 Baker, A (Andrew) 4 2 2 Kenridge Rapid 2022 (U8) Laerskool Welgemoed Rapid 2025 (U12) Details