PLAYER PAGE

Personal

Van Der Merwe, O (Oliver)

Chess SA id

1150136957

FIDE id

534009221

Date of birth

2015-09-12 (U12)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1517.1 1532.6 1279.6 1257.6
Raw rating 1447.8 1462.8 1279.6 1257.6
Weighted rating 1517.1 1532.6 1278.6 1234.6
Weighted performance 1345.3 1410.3 1193.6 0
Floor 1060.2 1068.9 836.7 757.6
K-factor 32 32 36 36
Min/Max rating change allowed 116.5 114 148 152.7
Highest rating 1574.6
2024-09-01
1592.7
2025-09-01
1336.7
2025-05-05
1257.6
2025-05-05
Highest raw rating 1560.2
2024-10-01
1568.9
2025-09-01
1336.7
2025-05-05
1257.6
2025-05-05
Highest weighted rating 1521.3
2025-11-30
1532.6
2026-01-01
1277.1
2025-11-30
1217.3
2025-08-01
Highest weighted performance 1574.6
2024-09-01
1592.7
2025-09-01
1334.7
2023-09-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -4.6 -4.2 0.4 0
New rating 1512.5 1528.4 1280 1257.6
Analysis
Rating 1517.1 1532.6 1279.6 1257.6
Raw rating 1447.8 1462.8 1279.6 1257.6
Weighted rating 1517.1 1532.6 1278.6
Weighted performance 1345.3 1410.3 1193.6
K-factor 32 32 36 36
Floor 1060.2 1068.9 836.7 757.6
Max/Min rating change allowed 116.5 114 148 152.7
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1447.8 1462.8 1279.6 1257.6
New weighted rating 1512.5 1528.4 1280 1237.5
New weighted performance 1336.4 1400.9 1185.5 0
Temp new rating 1512.5 1528.4 1280 1257.6
Temp new rating +/- -4.6 -4.2 0.4 0
Final new rating +/- -4.6 -4.2 0.4 0
New rating 1512.5 1528.4 1280 1257.6
New K-factor 32 32 36 36
New floor 1060.2 1068.9 836.7 757.6

Item Main Standard Rapid Blitz
0 0 0 0
96 54 32 10
64 59 5 0
68 63 5 0
33 33 0 0
0 0 0 0
History 261 209 42 10

Games since
Main
160
Standard
113
Rapid
37
Blitz
10
Gender Male
Age group U12
Region Eden (WEG)
Province Western Cape (WC)
Main
RSA Province Region
Overall 1039 326 73
Male 906 280 62
U12 89 27 11
U12 Male 71 22 8
Standard
RSA Province Region
Overall 796 212 38
Male 703 186 33
U12 65 19 9
U12 Male 52 15 7
Rapid
RSA Province Region
Overall 1195 602 47
Male 963 480 38
U12 210 122 9
U12 Male 156 87 7
Blitz
RSA Province Region
Overall 355 141 56
Male 331 135 53
U12 12 5 2
U12 Male 10 5 2

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 96 57 59.38 79.7 1411.4 1491.1
Standard 54 39.5 73.15 196.8 1363.5 1560.3
Rapid 32 14 43.75 -53.1 1474.5 1421.4
Blitz 10 3.5 35 -127.5 1468.3 1340.8
History
Games Score % Dp AvgOpp Performance
Main 261 166 63.6 115.6 1318.4 1434
Standard 209 142.5 68.18 154.5 1287.4 1441.9
Rapid 42 20 47.62 -20.2 1437 1416.7
Blitz 10 3.5 35 -127.5 1468.3 1340.8

Date Main Standard Rapid Blitz
2026-01-01 1447.8 1462.8 1279.6 1257.6
2025-11-30 1529.6 1561.8 1279.6 1257.6
2025-11-01 1535.9 1561.8 1278.8 1257.6
2025-09-30 1547.9 1561.8 1315.9 1257.6
2025-09-01 1544.4 1568.9 1315.9 1257.6
2025-08-01 1518.6 1541.4 1315.9 1257.6
2025-07-01 1507 1514.7 1336.7 1257.6
2025-06-01 1507 1514.7 1336.7 1257.6
2025-05-01 1485.1 1491.4 1336.7 1257.6
2025-04-01 1520 1547.2 1232.3 1200
2025-03-01 1521.8 1559.9 1230.4 1200
2025-02-01 1515.7 1523.8 1241.9 1200
2025-01-01 1515.7 1523.8 1241.9 1200
2024-12-01 1545.8 1564.1 1241.9 1200
2024-11-01 1545.8 1564.1 1241.9 1200
2024-10-01 1560.2 1564.1 1230 1200
2024-09-01 1536 1534 1230 1200
2024-11-01 1524.6 1519.3 1230 1200
2024-07-01 1501.5 1489.5 1230 1200
2024-06-01 1501.5 1489.5 1230 1200
2024-05-01 1518.8 1526 1230 1200
2024-04-01 1505.8 1511 1230 1200
2024-03-01 1385.4 1385.9 1230 1200
2024-02-01 1313.2 1287 1230 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U12 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U12 Combined) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 6 2 Yes Analysis
3 Laerskool George Suid 2025 (Ope) 2025-10-25 2025-10-25 Rapid Eden (WEG) 5 5 2.5 Yes Analysis
4 HCPS Invitational Rapid Tournament 2025 (U11) 2025-10-18 2025-10-18 Rapid Eden (WEG) 6 5 2 Yes Analysis
5 Western Cape Schools - Top Schools 2025 (U11) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 4.5 Yes Analysis
6 Eden Top Schools 2025 (U11 Open) 2025-08-16 2025-08-16 Standard Eden (WEG) 5 5 5 Yes Analysis
7 George Top Schools 2025 (U11) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 4 4 Yes Analysis
8 Knysna Oyster Festival Rapid 2025 (Scholars) 2025-07-12 2025-07-12 Rapid Eden (WEG) 6 6 3 Yes Analysis
9 Western Cape Schools Individual Championship 2025 (U11 Boys) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 4 Yes Analysis
10 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Blitz) 2025-04-16 2025-04-17 Blitz Geece (GRE) 11 10 3.5 Yes Analysis
11 FIDE World Cadet & Youth Rapid & Blitz Championships 2025 (Rapid) 2025-04-13 2025-04-15 Rapid Greece (GRE) 11 11 4.5 Yes Analysis
12 Eden Chess Trials 2 2025 (U12) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 5 3 Yes Analysis
13 South African Junior Closed Chess Championships 2025 (U10 Open) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 4.5 Yes Analysis
14 Eden Schools Chess Trials 1 2025 (U11 Boys) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 4 Yes Analysis
15 George Schools Chess Trials 3 2025 (U11 Boys) 2025-03-01 2025-03-01 Standard Eden (WEG) 5 5 3.5 Yes Analysis
16 Loerie Skaaktoernooi 2025 2025-02-22 2025-02-22 Rapid Eden (WEG) 5 5 2 Yes Analysis
17 George Schools Chess Trials 2 2025 (U11 Boys) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 5 4 Yes Analysis
18 George Schools Chess Trials 1 2025 (U11 Boys) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 4 3 Yes Analysis
19 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship) 2024-12-16 2024-12-19 Standard Capricorn (LCP) 7 7 3.5 Yes Analysis
20 George Suid Senior Skaaktoernooi 2024 2024-10-26 2024-10-26 Rapid Eden (WEG) 5 5 3 Yes Analysis
21 Western Cape Top Schools Championship 2024 (U9 Mixed) 2024-08-30 2024-09-01 Standard Eden (WEG) 6 6 6 Yes Analysis
22 Eden Top Schools 2024 (U9 Open) 2024-08-17 2024-08-17 Standard Eden (WEG) 5 5 5 Yes Analysis
23 George Primary Top Schools 2024 (U9) 2024-07-20 2024-07-20 Standard Eden (WEG) 5 5 5 Yes Analysis
24 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024-05-04 2024-05-05 Standard West Coast (WCU) 6 6 4 Yes Analysis
25 Eden Chess Trials 2 2024 (U10) 2024-04-13 2024-04-20 Standard Eden (WEG) 10 10 7 Yes Analysis
26 Eden School Chess Trials 1 2024 (U9 Boys) 2024-03-09 2024-03-09 Standard Eden (WEG) 5 5 4 Yes Analysis
27 George Schools Trials 3 2024 (U9 Boys) 2024-03-02 2024-03-02 Standard Eden (WEG) 5 5 4 Yes Analysis
28 George Schools Trials 2 2024 (U9 Boys) 2024-02-17 2024-02-17 Standard Eden (WEG) 5 5 4 Yes Analysis
29 George Schools Trials 1 2024 (U9 Boys) 2024-02-03 2024-02-03 Standard Eden (WEG) 5 5 5 Yes Analysis
30 Eden Chess Union League 2023 (2nd Division) 2023-11-11 2023-11-11 Standard Eden (WEG) 5 4 2 Yes Analysis
31 Mossel Bay Open 2023 (C) 2023-09-30 2023-09-30 Rapid Eden (WEG) 5 5 3 Yes Analysis
32 Western Cape Top Schools 2023 (U9 Mixed) 2023-09-02 2023-09-03 Standard Cape Winelands (WCW) 6 5 0 Yes Analysis
33 Eden Top Schools 2023 (U9 Mix) 2023-08-19 2023-08-19 Standard Eden (WEG) 5 4 3 Yes Analysis
34 CW Top Schools 2023 (U10) 2023-08-12 2023-08-12 Standard West Coast (WCU) 5 5 3 Yes Analysis
35 Top Schools 2023 (U9) 2023-07-29 2023-07-29 Standard Eden (WEG) 5 4 3 Yes Analysis
36 Western Cape PS Individuals 2023 (U9 Boys) 2023-05-05 2023-05-06 Standard Cape Town (WCT) 6 6 3 Yes Analysis
37 Eden Trials 2+3 2023 (U10) 2023-04-15 2023-05-13 Standard Eden (WEG) 10 10 7 Yes Analysis
38 George Chess Club Winter Open 2023 (D) 2023-05-20 2023-05-20 Standard Eden (WEG) 5 5 3.5 Yes Analysis
39 Eden Trails 1 2023 (U9 Boys) 2023-03-11 2023-03-11 Standard Eden (WEG) 5 5 3 Yes Analysis
40 George Chess Trials 3 2023 (U9 Boys) 2023-02-25 2023-02-25 Standard Eden (WEG) 5 5 3 Yes Analysis
41 George Chess Trials 2 2023 (U9 Boys) 2023-02-11 2023-02-11 Standard Cape Town (WCT) 5 5 4 Yes Analysis
42 George Chess Trials 1 2023 (U9 Boys) 2023-01-28 2023-01-28 Standard Eden (WEG) 5 5 2.5 Yes Analysis
43 George Open 2022 (D) 2022-12-03 2022-12-03 Standard Eden (WEG) 5 5 3 Yes Analysis
44 Western Cape Top Schools 2022 (U7 Mix) 2022-09-16 2022-09-17 Standard Overberg (WOS) 6 4 4 Yes Analysis
45 George Open 2022 (D) 2022-06-11 2022-06-11 Standard Eden (WEG) 5 5 3 Yes Analysis
46 Western Cape Schools 2022 (U7 Boys) 2022-05-28 2022-05-29 Standard Cape Winelands (WCW) 6 6 3 Yes Analysis
47 Eden Proewe 1 2022 (O7 Seuns) 2022-03-12 2022-03-12 Standard Eden (WEG) 5 5 3 Yes Analysis
48 George Trials 3 2022 (U7) 2022-02-26 2022-02-26 Standard Eden (WEG) 5 4 0.5 Yes Analysis
49 George Trials 2 2022 (U7) 2022-02-12 2022-02-12 Standard Eden (WEG) 5 4 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 18 Tournament
Western Cape PS Individuals Championship 2024
Tournament
Western Cape Top Schools Championship 2024
date
2024-05-05
rnd
5
type
Standard
result
1
date
2024-09-01
rnd
6
type
Standard
result
1
Opponent
Thomas, C (Charlie)
Opponent
Du Preez, J (Janco)
2 12 Tournament
Knysna Oyster Festival Rapid 2025
Tournament
Western Cape Schools - Top Schools 2025
date
2025-07-12
rnd
6
type
Rapid
result
1
date
2025-09-06
rnd
2
type
Standard
result
1
Opponent
Van Der Merwe, F (Finley)
Opponent
Louw, L (Luca)
3 10 Tournament
George Schools Trials 3 2024
Tournament
Eden Chess Trials 2 2024
date
2024-03-02
rnd
4
type
Standard
result
1
date
2024-04-13
rnd
3
type
Standard
result
1
Opponent
Fritz, U (Ulysse)
Opponent
Van Den Berg, T (Teagan)
# Games Start End
1 18 Tournament
Western Cape PS Individuals Championship 2024
Tournament
Western Cape Top Schools Championship 2024
date
2024-05-05
rnd
5
type
Standard
result
1
date
2024-09-01
rnd
6
type
Standard
result
1
Opponent
Thomas, C (Charlie)
Opponent
Du Preez, J (Janco)
2 12 Tournament
Western Cape Schools Individual Championship 2025
Tournament
Western Cape Schools - Top Schools 2025
date
2025-05-18
rnd
6
type
Standard
result
1
date
2025-09-06
rnd
2
type
Standard
result
1
Opponent
Visagie, B (Benjamin)
Opponent
Louw, L (Luca)
3 10 Tournament
George Schools Trials 3 2024
Tournament
Eden Chess Trials 2 2024
date
2024-03-02
rnd
4
type
Standard
result
1
date
2024-04-13
rnd
3
type
Standard
result
1
Opponent
Fritz, U (Ulysse)
Opponent
Van Den Berg, T (Teagan)
# Games Start End
1 4 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
Loerie Skaaktoernooi 2025
date
2024-10-26
rnd
3
type
Rapid
result
1
date
2025-02-22
rnd
1
type
Rapid
result
1
Opponent
Fredericks, R (Reuel)
Opponent
Stander, L (Louis)
2 2 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
Knysna Oyster Festival Rapid 2025
date
2025-04-15
rnd
11
type
Rapid
result
0.5
date
2025-07-12
rnd
1
type
Rapid
result
1
Opponent
Opperman, Caden
Opponent
Plaatjies, R (Rumark)
3 2 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-14
rnd
7
type
Rapid
result
1
date
2025-04-14
rnd
8
type
Rapid
result
1
Opponent
Joubert, Joshua Johannes
Opponent
Gerontas, Antonios
# Games Start End
1 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-17
rnd
10
type
Blitz
result
1
date
2025-04-17
rnd
10
type
Blitz
result
1
Opponent
Mavroudis, Eleftherios
Opponent
Mavroudis, Eleftherios
2 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-17
rnd
7
type
Blitz
result
1
date
2025-04-17
rnd
7
type
Blitz
result
1
Opponent
Gerontas, Antonios
Opponent
Gerontas, Antonios
3 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-16
rnd
4
type
Blitz
result
0.5
date
2025-04-16
rnd
4
type
Blitz
result
0.5
Opponent
Bjerregaard Hagen, Julian
Opponent
Bjerregaard Hagen, Julian
# Games Start End
1 18 Tournament
Western Cape PS Individuals Championship 2024
Tournament
Western Cape Top Schools Championship 2024
date
2024-05-05
rnd
5
type
Standard
result
1
date
2024-09-01
rnd
6
type
Standard
result
1
Opponent
Thomas, C (Charlie)
Opponent
Du Preez, J (Janco)
2 12 Tournament
Knysna Oyster Festival Rapid 2025
Tournament
Western Cape Schools - Top Schools 2025
date
2025-07-12
rnd
6
type
Rapid
result
1
date
2025-09-06
rnd
2
type
Standard
result
1
Opponent
Van Der Merwe, F (Finley)
Opponent
Louw, L (Luca)
3 8 Tournament
George Schools Trials 1 2024
Tournament
George Schools Trials 2 2024
date
2024-02-03
rnd
1
type
Standard
result
1
date
2024-02-17
rnd
3
type
Standard
result
1
Opponent
De Bruin, E (Eben)
Opponent
Van Den Berg, T (Teagan)
# Games Start End
1 18 Tournament
Western Cape PS Individuals Championship 2024
Tournament
Western Cape Top Schools Championship 2024
date
2024-05-05
rnd
5
type
Standard
result
1
date
2024-09-01
rnd
6
type
Standard
result
1
Opponent
Thomas, C (Charlie)
Opponent
Du Preez, J (Janco)
2 12 Tournament
Western Cape Schools Individual Championship 2025
Tournament
Western Cape Schools - Top Schools 2025
date
2025-05-18
rnd
6
type
Standard
result
1
date
2025-09-06
rnd
2
type
Standard
result
1
Opponent
Visagie, B (Benjamin)
Opponent
Louw, L (Luca)
3 8 Tournament
George Schools Trials 1 2024
Tournament
George Schools Trials 2 2024
date
2024-02-03
rnd
1
type
Standard
result
1
date
2024-02-17
rnd
3
type
Standard
result
1
Opponent
De Bruin, E (Eben)
Opponent
Van Den Berg, T (Teagan)
# Games Start End
1 4 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
Loerie Skaaktoernooi 2025
date
2024-10-26
rnd
3
type
Rapid
result
1
date
2025-02-22
rnd
1
type
Rapid
result
1
Opponent
Fredericks, R (Reuel)
Opponent
Stander, L (Louis)
2 2 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-14
rnd
7
type
Rapid
result
1
date
2025-04-14
rnd
8
type
Rapid
result
1
Opponent
Joubert, Joshua Johannes
Opponent
Gerontas, Antonios
3 2 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-13
rnd
2
type
Rapid
result
1
date
2025-04-13
rnd
3
type
Rapid
result
1
Opponent
Ermekov, Bek
Opponent
Tormane, Youssef
# Games Start End
1 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-17
rnd
10
type
Blitz
result
1
date
2025-04-17
rnd
10
type
Blitz
result
1
Opponent
Mavroudis, Eleftherios
Opponent
Mavroudis, Eleftherios
2 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-17
rnd
7
type
Blitz
result
1
date
2025-04-17
rnd
7
type
Blitz
result
1
Opponent
Gerontas, Antonios
Opponent
Gerontas, Antonios
3 1 Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
Tournament
FIDE World Cadet & Youth Rapid & Blitz Championships 2025
date
2025-04-16
rnd
2
type
Blitz
result
1
date
2025-04-16
rnd
2
type
Blitz
result
1
Opponent
Chrysochoos, Pavlos
Opponent
Chrysochoos, Pavlos

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Pfaff ,J (Joel) 9 4.5 0 8 3.5 -53.1 1 1 425 0 0 0
1352 1352 1336.8 1298.9 1242 1777 0 0
2 Oberholzer ,M (Milan) 7 6.5 364.3 7 6.5 364.3 0 0 0 0 0 0
1307.5 1671.8 1308.2 1671.8 0 0 0 0
3 Punt ,CR (Christiaan) 7 4 60.7 7 4 60.7 0 0 0 0 0 0
1308.5 1369.2 1304 1369.2 0 0 0 0
4 Fritz ,U (Ulysse) 6 2.5 -70.8 6 2.5 -70.8 0 0 0 0 0 0
1402.2 1331.4 1401.7 1331.4 0 0 0 0
5 Mpuru ,J (JK) 5 0.5 -340 4 0.5 -318.8 1 0 -425 0 0 0
1533.4 1193.4 1500.1 1214.7 1376 1108.4 0 0
6 James ,W (William) 5 2.5 0 4 2.5 106.2 1 0 -425 0 0 0
1277.6 1277.6 1218.4 1383.9 1211.3 852.6 0 0
7 Fourie ,J (John) 4 2.5 106.2 4 2.5 106.2 0 0 0 0 0 0
1235.3 1341.6 1237.6 1341.6 0 0 0 0
8 Spies ,F (Fanie) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1531.5 1319 1539.7 1319 0 0 0 0
9 Mccabe ,T (Thomas) 4 1.5 -106.2 4 1.5 -106.2 0 0 0 0 0 0
1156.8 1050.6 1149.3 1050.6 0 0 0 0
10 Pringle ,A (Alexander) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1464.4 1251.9 1470.8 1251.9 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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