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Schalk Wolf Van Der Merwe

1150136552
Cape Town (WCT)
Personal
Main rating
Rating 1775.4
K-factor 28
Floor 1293.2
Highest 1793.2 (2026-02-28)
Min/Max +/- allowed 71
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1734.2
Final +/- 0
New Rating
()
Rating 1775.4
K-factor 28
Floor 1293.2
Highest 1793.2 (2026-02-28)
Min/Max +/- allowed 71.2
Standard rating
Rating 1765.9
K-factor 28
Floor 1280.1
Highest 1780.1 (2026-02-28)
Min/Max +/- allowed 72.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1738.9
Final +/- 0
New Rating
()
Rating 1765.9
K-factor 28
Floor 1280.1
Highest 1780.1 (2026-02-28)
Min/Max +/- allowed 72.6
Rapid rating
Rating 1724.8
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 1674.2
Final +/- 0
New Rating
()
Rating 1724.8
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 Spring Slam 2024 (U12) Rapid 2024-10-05 2024-10-05 Cape Town (WCT) 6 1546.4 6 6 1670.9 8.5 Details
31 CT League 2024 (A) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1626.3 4 0 1187.2 -40.4 Details
32 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1626.3 2 0 1084.5 -27.2 Details
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 Kraaifontein Open 2023 (U10) Rapid 2023-12-09 2023-12-09 Cape Town (WCT) 6 1493.7 5 5 1747.9 17.6 Details
45 FIDE WORLD CADETS CHESS CHAMPIONSHIPS 2023 Classical 2023-10-16 2023-10-26 Egypt (EGY) 11 1589 10 3.5 1066 -109.8 Details
46 WP Club League 2023 (B) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1557.6 3 1 1195.4 -28 Details
47 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
48 Western Cape Top Schools 2023 (U11 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1557.6 6 5.5 1879.2 37.7 Details
49 CW Top Schools 2023 (Intermediate) Standard 2023-08-12 2023-08-12 West Coast (WCU) 5 1564 5 4 1498.9 -3.8 Details
50 CT Metro District North Top Schools Chess 2023 (U11 Mixed) Rapid 2023-07-29 2023-07-29 Cape Town (WCT) 5 1522 4 4 1700.2 10.3 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 36
Wins 25
Draws 4
Losses 7
White 18
Black 18
White wins 14
Black wins 11
Score 27
Percent 75
Dp 212.5
AOR 1577.3
Performance 1789.8
Game statistics (History)
Games 452
Wins 320
Draws 29
Losses 103
White 227
Black 225
White wins 167
Black wins 153
Score 334.5
Percent 74
Dp 204
AOR 1389.6
Performance 1593.6
Rankings (Main)
National
Overall 306
Gender 290
Age group 3
Gender/Age 3
Provincial
Overall 97
Gender 92
Age group 2
Gender/Age 2
Regional
Overall 78
Gender 74
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 314
Gender 293
Age group 6
Gender/Age 6
Provincial
Overall 98
Gender 92
Age group 3
Gender/Age 3
Regional
Overall 81
Gender 76
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 73
Gender 73
Age group 1
Gender/Age 1
Provincial
Overall 36
Gender 36
Age group 1
Gender/Age 1
Regional
Overall 27
Gender 27
Age group 1
Gender/Age 1
Rankings (Blitz)
National
Overall 236
Gender 228
Age group 3
Gender/Age 3
Provincial
Overall 84
Gender 81
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 36
Score 27
Percent 75
Aor 1577.3
Dp 212.5
Prat 1789.8
Performance (12 months)
Games 79
Score 59
Percent 74.7
Aor 1567.1
Dp 209.8
Prat 1776.9
Performance (History)
Games 452
Score 334.5
Percent 74
Aor 1389.6
Dp 204
Prat 1593.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Stern, M (Mason) 15 8 7 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) Laerskool Welgemoed Rapid 2026 (U12) 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 Beukes, B (Benjamin) 6 2 4 Kraaifontein Open 2023 (U10) CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) 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) 5 4 1 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) South African Junior Closed Chess Championships 2025 (U10 Open) 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 Sher, E (Evan) 4 2 2 Cape of Good Hope Open 2023 (U10) GPCA Rapid 2023 (U10) Details
Rapid 5 Whyatt, B (Benji) 4 1 3 Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys) Curro Chess Open Rapid 2025 (U12) Details