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

PLAYER PAGE

Oliver Van Der Merwe

1150136957
Eden (WEG)
Personal
Main rating
Rating 1705.9
K-factor 28
Floor 1271.3
Highest 1771.3 (2026-07-01)
Min/Max +/- allowed 73
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1562.7
Final +/- 0
New Rating
()
Rating 1705.9
K-factor 28
Floor 1271.3
Highest 1771.3 (2026-07-01)
Min/Max +/- allowed 73.5
Standard rating
Rating 1715.3
K-factor 28
Floor 1265.7
Highest 1765.7 (2026-07-01)
Min/Max +/- allowed 74.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1636.6
Final +/- 0
New Rating
()
Rating 1715.3
K-factor 28
Floor 1265.7
Highest 1765.7 (2026-07-01)
Min/Max +/- allowed 74.1
Rapid rating
Rating 1480
K-factor 32
Floor 980
Highest 1480 (2026-09-01)
Min/Max +/- allowed 111.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1456
Final +/- 0
New Rating
()
Rating 1480
K-factor 32
Floor 980
Highest 1480 (2026-09-01)
Min/Max +/- allowed 111.3
Blitz rating
Rating 1257.6
K-factor 36
Floor 757.6
Highest 1257.6 (2025-05-05)
Min/Max +/- allowed 152.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1257.6
K-factor 36
Floor 757.6
Highest 1257.6 (2025-05-05)
Min/Max +/- allowed 152.7
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 - Top Schools 2026 (U11 Mix) Standard 2026-09-05 2026-09-06 Cape Winelands (WCW) 6 1726.6 6 4 1597.9 -20.7 Details
2 Western Cape Schools - Kings and Queens 2026 (Kings) Rapid 2026-08-15 2026-08-15 Cape Winelands (WCW) 6 1726.6 6 3 1521.4 -30.6 Details
3 Eden Top Schools 2026 (U13 Mix) Standard 2026-08-01 2026-08-01 Eden (WEG) 5 1726.6 3 2 1541.7 -14.7 Details
4 George Top Schools 2026 (U13 Mix) Standard 2026-07-25 2026-07-25 Eden (WEG) 5 1726.6 5 5 1573.3 0.6 Details
5 Eden Chess Trials 2 2026 (U12 Boys) Standard 2026-05-23 2026-05-23 Eden (WEG) 5 1725.7 4 4 1866.9 15.8 Details
6 2026 WCSC PS Individual Championship (U11 Boys) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1660.2 6 5 1819.9 26.4 Details
7 Eden Schools Trials 1 2026 (U11 Boys) Standard 2026-03-14 2026-03-14 Eden (WEG) 5 1563 5 5 1830.7 41 Details
8 George Trials 3 2026 (U11 Boys) Standard 2026-02-28 2026-02-28 Eden (WEG) 5 1563 5 4 1651.8 13 Details
9 Loerie Skaaktoernooi 2026 (U11+U13) Rapid 2026-02-21 2026-02-21 Eden (WEG) 5 1512.4 5 5 1773.4 14.9 Details
10 George Trials 2 2026 (U11 Boys) Standard 2026-02-14 2026-02-14 Eden (WEG) 5 1512.4 5 4 1600 8 Details
11 George Trials 1 2026 (U11 Boys) Standard 2026-01-31 2026-01-31 Eden (WEG) 5 1512.4 5 4 1595.2 5.2 Details
12 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1529.6 6 3 1381.8 -20.6 Details
13 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1529.6 6 2 1266.6 -30.7 Details
14 Laerskool George Suid 2025 (Ope) Rapid 2025-10-25 2025-10-25 Eden (WEG) 5 1536.1 5 2.5 1455.3 -4 Details
15 HCPS Invitational Rapid Tournament 2025 (U11) Rapid 2025-10-18 2025-10-18 Eden (WEG) 6 1568.3 5 2 1459 -7.3 Details
16 Western Cape Schools - Top Schools 2025 (U11) Standard 2025-09-06 2025-09-07 Overberg (WOS) 6 1552 6 4.5 1568.4 2.2 Details
17 Eden Top Schools 2025 (U11 Open) Standard 2025-08-16 2025-08-16 Eden (WEG) 5 1518.6 5 5 1688 16.1 Details
18 George Top Schools 2025 (U11) Standard 2025-07-26 2025-07-26 Eden (WEG) 5 1507 4 4 1686.3 14.3 Details
19 Knysna Oyster Festival Rapid 2025 (Scholars) Rapid 2025-07-12 2025-07-12 Eden (WEG) 6 1507 6 3 1424.8 -6.9 Details
20 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1485.1 6 4 1601.3 13.6 Details
21 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) Blitz 2025-04-16 2025-04-17 Geece (GRE) 11 1520 10 3.5 1340.8 -10.5 Details
22 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) Rapid 2025-04-13 2025-04-15 Greece (GRE) 11 1520 11 4.5 1472.8 -5.4 Details
23 Eden Chess Trials 2 2025 (U12) Standard 2025-03-15 2025-04-12 Eden (WEG) 10 1520 5 3 1418.9 -9 Details
24 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1520 9 4.5 1459.9 -13.4 Details
25 Eden Schools Chess Trials 1 2025 (U11 Boys) Standard 2025-03-08 2025-03-08 Eden (WEG) 5 1521.8 5 4 1537.5 1.2 Details
26 George Schools Chess Trials 3 2025 (U11 Boys) Standard 2025-03-01 2025-03-01 Eden (WEG) 5 1521.8 5 3.5 1504.2 -2.2 Details
27 Loerie Skaaktoernooi 2025 Rapid 2025-02-22 2025-02-22 Eden (WEG) 5 1515.7 5 2 1232.8 -15.9 Details
28 George Schools Chess Trials 2 2025 (U11 Boys) Standard 2025-02-15 2025-02-15 Eden (WEG) 5 1515.7 5 4 1604.6 9.6 Details
29 George Schools Chess Trials 1 2025 (U11 Boys) Standard 2025-02-01 2025-02-01 Eden (WEG) 5 1515.7 4 3 1646.3 10.3 Details
30 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1545.8 7 3.5 1424.8 -18.8 Details
31 George Suid Senior Skaaktoernooi 2024 Rapid 2024-10-26 2024-10-26 Eden (WEG) 5 1560.2 5 3 1400.4 -9.1 Details
32 Western Cape Top Schools Championship 2024 (U9 Mixed) Standard 2024-08-30 2024-09-01 Eden (WEG) 6 1536 6 6 1661.2 15.1 Details
33 Eden Top Schools 2024 (U9 Open) Standard 2024-08-17 2024-08-17 Eden (WEG) 5 1524.6 5 5 1565.3 7.1 Details
34 George Primary Top Schools 2024 (U9) Standard 2024-07-20 2024-07-20 Eden (WEG) 5 1501.5 5 5 1653 14.4 Details
35 Western Cape PS Individuals Championship 2024 (U9 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1518.8 6 4 1423.9 -10.8 Details
36 Eden Chess Trials 2 2024 (U10) Standard 2024-04-13 2024-04-20 Eden (WEG) 10 1505.8 10 7 1537.5 8.1 Details
37 Eden School Chess Trials 1 2024 (U9 Boys) Standard 2024-03-09 2024-03-09 Eden (WEG) 5 1385.4 5 4 1577.1 19.4 Details
38 George Schools Trials 3 2024 (U9 Boys) Standard 2024-03-02 2024-03-02 Eden (WEG) 5 1385.4 5 4 1520 12.4 Details
39 George Schools Trials 2 2024 (U9 Boys) Standard 2024-02-17 2024-02-17 Eden (WEG) 5 1313.2 5 4 1475.1 16.6 Details
40 George Schools Trials 1 2024 (U9 Boys) Standard 2024-02-03 2024-02-03 Eden (WEG) 5 1313.2 5 5 1595.5 28.4 Details
41 Eden Chess Union League 2023 (2nd Division) Standard 2023-11-11 2023-11-11 Eden (WEG) 5 1311.6 4 2 1324 1 Details
42 Mossel Bay Open 2023 (C) Rapid 2023-09-30 2023-09-30 Eden (WEG) 5 1396.1 5 3 1402.9 1.1 Details
43 Western Cape Top Schools 2023 (U9 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1396.1 5 0 850.5 -53.8 Details
44 Eden Top Schools 2023 (U9 Mix) Standard 2023-08-19 2023-08-19 Eden (WEG) 5 1405.7 4 3 1411.2 0.7 Details
45 CW Top Schools 2023 (U10) Standard 2023-08-12 2023-08-12 West Coast (WCU) 5 1405.7 5 3 1345.1 -6.5 Details
46 Top Schools 2023 (U9) Standard 2023-07-29 2023-07-29 Eden (WEG) 5 1401.5 4 3 1434.1 2.7 Details
47 Western Cape PS Individuals 2023 (U9 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1368.9 6 3 1297 -8.3 Details
48 Eden Trials 2+3 2023 (U10) Standard 2023-04-15 2023-05-13 Eden (WEG) 10 1368.9 10 7 1468.5 19.6 Details
49 George Chess Club Winter Open 2023 (D) Standard 2023-05-20 2023-05-20 Eden (WEG) 5 1368.9 5 3.5 1431.7 7 Details
50 Eden Trails 1 2023 (U9 Boys) Standard 2023-03-11 2023-03-11 Eden (WEG) 5 1362.3 5 3 1405.7 3.7 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 55
Wins 45
Draws 0
Losses 10
White 30
Black 25
White wins 24
Black wins 21
Score 45
Percent 81.8
Dp 270.5
AOR 1399.5
Performance 1670
Game statistics (History)
Games 328
Wins 207
Draws 18
Losses 103
White 168
Black 160
White wins 104
Black wins 103
Score 216
Percent 65.9
Dp 134.8
AOR 1334.8
Performance 1469.6
Rankings (Main)
National
Overall 538
Gender 504
Age group 18
Gender/Age 17
Provincial
Overall 169
Gender 157
Age group 7
Gender/Age 7
Regional
Overall 23
Gender 23
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 461
Gender 433
Age group 18
Gender/Age 17
Provincial
Overall 142
Gender 132
Age group 7
Gender/Age 7
Regional
Overall 16
Gender 16
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 513
Gender 467
Age group 45
Gender/Age 37
Provincial
Overall 244
Gender 220
Age group 27
Gender/Age 19
Regional
Overall 35
Gender 32
Age group 2
Gender/Age 2
Rankings (Blitz)
National
Overall 390
Gender 370
Age group 15
Gender/Age 14
Provincial
Overall 142
Gender 137
Age group 4
Gender/Age 4
Regional
Overall 80
Gender 77
Age group 3
Gender/Age 3
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 55
Score 45
Percent 81.8
Aor 1399.5
Dp 270.5
Prat 1670
Performance (12 months)
Games 67
Score 50
Percent 74.6
Aor 1398.7
Dp 209.3
Prat 1608.1
Performance (History)
Games 328
Score 216
Percent 65.9
Aor 1334.8
Dp 134.8
Prat 1469.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Pfaff, J (Joel) 11 7 4 George Trials 2 2022 (U7) Eden Schools Trials 1 2026 (U11 Boys) Details
Overall 2 James, W (William) 8 6 2 George Trials 2 2022 (U7) Eden Schools Trials 1 2026 (U11 Boys) Details
Overall 3 Oberholzer, M (Milan) 8 5 3 George Chess Trials 2 2023 (U9 Boys) George Trials 1 2026 (U11 Boys) Details
Overall 4 Punt, CR (Christiaan) 7 3 4 George Chess Trials 2 2023 (U9 Boys) Eden Chess Trials 2 2025 (U12) Details
Overall 5 Fritz, U (Ulysse) 6 1 5 George Schools Trials 2 2024 (U9 Boys) George Schools Chess Trials 3 2025 (U11 Boys) Details
Standard 1 Pfaff, J (Joel) 10 6 4 George Trials 2 2022 (U7) Eden Schools Trials 1 2026 (U11 Boys) Details
Standard 2 Oberholzer, M (Milan) 8 5 3 George Chess Trials 2 2023 (U9 Boys) George Trials 1 2026 (U11 Boys) Details
Standard 3 Punt, CR (Christiaan) 7 3 4 George Chess Trials 2 2023 (U9 Boys) Eden Chess Trials 2 2025 (U12) Details
Standard 4 James, W (William) 7 5 2 George Trials 2 2022 (U7) Eden Schools Trials 1 2026 (U11 Boys) Details
Standard 5 Fritz, U (Ulysse) 6 1 5 George Schools Trials 2 2024 (U9 Boys) George Schools Chess Trials 3 2025 (U11 Boys) Details
Rapid 1 Drude, E (Eshan) 2 1 1 Loerie Skaaktoernooi 2025 Loerie Skaaktoernooi 2026 (U11+U13) Details
Rapid 2 Snyman, C (Christian) 2 0 2 George Suid Senior Skaaktoernooi 2024 HCPS Invitational Rapid Tournament 2025 (U11) Details
Rapid 3 Du Toit, R (Ruvay) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details
Rapid 4 Duthie, C (Conlan) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details
Rapid 5 Ngqwarushe, J (Jayden) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details