PLAYER PAGE

Personal

Van Der Merwe, WL (Willem)

Chess SA id

1120130080

FIDE id

?

Date of birth

2012-05-02 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1320.9 1318.4 1221.1 1200
Raw rating 1319.5 1318.4 1221.1 1200
Weighted rating 1320.9 1314.7 1206.4 1200
Weighted performance 1256.9 1261.4 0 0
Floor 905.2 902.3 721.1 700
K-factor 32 32 36 36
Min/Max rating change allowed 139.9 140.1 160.9 165.8
Highest rating 1419.8
2024-04-01
1416.9
2024-04-01
1225.6
2023-10-01
1200
2018-10-01
Highest raw rating 1405.2
2024-05-01
1402.3
2024-05-01
1221.1
2025-11-01
1200
2024-02-01
Highest weighted rating 1405.2
2024-10-01
1402.3
2024-08-01
1203.5
2025-11-01
1200
2018-10-01
Highest weighted performance 1419.8
2024-04-01
1416.9
2024-04-01
1225.6
2023-10-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -0.1 0 0 0
New rating 1320.8 1318.4 1221.1 1200
Analysis
Rating 1320.9 1318.4 1221.1 1200
Raw rating 1319.5 1318.4 1221.1 1200
Weighted rating 1320.9 1314.7 1206.4
Weighted performance 1256.9 1261.4 0
K-factor 32 32 36 36
Floor 905.2 902.3 721.1 700
Max/Min rating change allowed 139.9 140.1 160.9 165.8
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 1319.5 1318.4 1221.1 1200
New weighted rating 1320.8 1315 1207.7 1200
New weighted performance 1248.4 1252.8 0 0
Temp new rating 1320.8 1318.4 1221.1 1200
Temp new rating +/- -0.1 0 0 0
Final new rating +/- -0.1 0 0 0
New rating 1320.8 1318.4 1221.1 1200
New K-factor 32 32 36 36
New floor 905.2 902.3 721.1 700

Item Main Standard Rapid Blitz
0 0 0 0
36 30 6 0
59 59 0 0
64 59 5 0
51 51 0 0
0 0 0 0
History 220 209 11 0

Games since
Main
95
Standard
89
Rapid
6
Blitz
0
Gender Male
Age group U14
Region Sedibeng (GSV)
Province Gauteng (GT)
Main
RSA Province Region
Overall 3004 1013 107
Male 2369 793 86
U14 545 176 26
U14 Male 395 122 19
Standard
RSA Province Region
Overall 2951 1069 114
Male 2344 851 91
U14 538 185 31
U14 Male 386 129 21
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1

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 36 19 52.78 23.6 1303.8 1327.4
Standard 30 16 53.33 28.3 1299 1327.4
Rapid 6 3 50 0 1327.8 1327.8
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 220 120 54.55 38.6 1244.6 1283.2
Standard 209 114.5 54.78 40.7 1241.8 1282.4
Rapid 11 5.5 50 0 1298 1298
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1319.5 1318.4 1221.1 1200
2025-11-30 1326.1 1323.2 1221.1 1200
2025-11-01 1326.1 1323.2 1221.1 1200
2025-09-30 1325.9 1323.2 1202 1200
2025-09-01 1325.9 1323.2 1202 1200
2025-08-01 1322.9 1319.5 1202 1200
2025-07-01 1321 1317.2 1202 1200
2025-06-01 1321 1317.2 1202 1200
2025-05-01 1318 1312.2 1202 1200
2025-04-01 1318 1312.2 1202 1200
2025-03-01 1316.5 1309 1202 1200
2025-02-01 1312 1303.6 1202 1200
2025-01-01 1248.8 1229.1 1202 1200
2024-12-01 1281 1262.1 1202 1200
2024-11-01 1281 1262.1 1202 1200
2024-10-01 1333.8 1317.1 1202 1200
2024-09-01 1333.8 1317.1 1202 1200
2024-11-01 1363 1351.7 1202 1200
2024-07-01 1405.2 1402.3 1202 1200
2024-06-01 1405.2 1402.3 1202 1200
2024-05-01 1405.2 1402.3 1202 1200
2024-04-01 1321 1334.6 1202 1200
2024-03-01 1235.2 1234.5 1202 1200
2024-02-01 1235.2 1234.5 1202 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 Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
2 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys) 2025-10-18 2025-10-18 Rapid Sedibeng (GSV) 6 6 3 Yes Analysis
3 GDE (D7) Sedibeng East Schools 2025 (U13) 2025-08-02 2025-08-02 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
4 Eureka Chess Open 26 July 2025 (F) 2025-07-26 2025-07-26 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
5 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) 2025-05-24 2025-05-24 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
6 Hoerskool Drie Riviere Open 08 March 2025 (D) 2025-03-08 2025-03-08 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
7 Laer Volkskool Open 15 Feb 2025 (D) 2025-02-15 2025-02-15 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
8 Afrikaans High School Open 08 Feb 2025 (D) 2025-02-08 2025-02-08 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
9 Gauteng Inter-Region at UJ 2024 (U14 Candidates) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 4 1 Yes Analysis
10 Fonteine Open 2024 (D) 2024-10-19 2024-10-19 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
11 NWU Vaal Chess Open 12 Oct 2024 (D) 2024-10-12 2024-10-12 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
12 Gauteng Top Schools 2024 (U13 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
13 Sedibeng East D7 Teams Trials 2024 (U13) 2024-08-03 2024-08-03 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
14 Eureka Open 27 July 2024 (F) 2024-07-27 2024-07-27 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
15 Hoerskool Overvaal Chess Open 2024 (D) 2024-04-20 2024-04-20 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
16 Vaalpark Primary Chess Open 2024 (D) 2024-04-13 2024-04-13 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
17 Valia's Open 2024 (E) 2024-03-02 2024-03-02 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
18 NG Kerk Vanderbijlpark Suid 2024 (D) 2024-02-24 2024-02-24 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
19 Laerskool Midvaal Chess Open Section 2024 (D) 2024-02-10 2024-02-10 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
20 2024 Gauteng Inter-Region Chess Championship (U12A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 0 Yes Analysis
21 NWU Vaal Open 2023 (D) 2023-10-14 2023-10-14 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
22 Dr Pieter Hangelbroek Rapid 2023 (C) 2023-10-28 2023-10-28 Rapid Sedibeng (GSV) 5 5 2.5 Yes Analysis
23 Fonteine Chess Open 2023 (E) 2023-09-02 2023-09-02 Standard Sedibeng (GSV) 5 4 1.5 Yes Analysis
24 2023 Gauteng Top Schools (U11 Mixed) 2023-08-18 2023-08-18 Standard West Rand (GWR) 5 5 2 Yes Analysis
25 Gauteng D7 Teams 2023 (U11) 2023-08-12 2023-08-12 Standard Sedibeng (GSV) 5 5 5 Yes Analysis
26 Overvaal Ope Jul 2023 (D) 2023-07-22 2023-07-22 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
27 Eureka Open 2023 (F) 2023-07-29 2023-07-29 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
28 Valia's Chess Tournament 2023 (D) 2023-05-06 2023-05-06 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
29 Gauteng Schools D7 2023 (U11 Boys) 2023-05-20 2023-05-20 Standard Sedibeng (GSV) 5 5 3.5 Yes Analysis
30 Overvaal Open 2023 (D) 2023-04-15 2023-04-15 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
31 Hoerskool Drie Riviere Open 2023 (D) 2023-03-11 2023-03-11 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
32 AG Visser Open 2023 (C) 2023-02-18 2023-02-18 Standard Sedibeng (GSV) 5 5 1.5 Yes Analysis
33 Laerkool Midvaal Chess Open 2023 (D) 2023-01-28 2023-01-28 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis
34 Dr Peter Hangelbroek Open 2022 (E) 2022-10-29 2022-10-29 Standard Sedibeng (GSV) 5 2 0.5 Yes Analysis
35 Overvaal Open 2022 (D) 2022-08-06 2022-08-06 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
36 D7 Teams 2022 (U9+U11 Mixed) 2022-08-13 2022-08-13 Standard Sedibeng (GSV) 5 5 5 Yes Analysis
37 2022 Gauteng Schools Team Championships (U11 Open) 2022-08-27 2022-08-27 Standard Tshwane (GTP) 5 5 3 Yes Analysis
38 Eureka Open 2022 (G+H) 2022-07-30 2022-07-30 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
39 Hoerskool Overvaal 2022 (D) 2022-06-11 2022-06-11 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
40 Gaueng Schools D7 2022 (U11 Boys) 2022-06-04 2022-06-04 Standard Sedibeng (GSV) 5 5 4 Yes Analysis
41 2022 Gauteng Schools Individual Chess Championship (U11 Boys) 2022-06-18 2022-06-18 Standard Ekurhuleni (GE) 5 5 2.5 Yes Analysis
42 LS Vryheidsmonument Chess Open 2022 (D) 2022-05-07 2022-05-07 Standard Sedibeng (GSV) 5 4 2 Yes Analysis
43 Lux Deo NG Kerk Chess Open 2022 (D) 2022-04-09 2022-04-09 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
44 Midvaal Ope 2022 (D) 2022-01-29 2022-01-29 Standard Sedibeng (GSV) 5 5 3 Yes Analysis
45 Hoerskool Drie Riviere 2020 (F) 2020-03-07 2020-03-07 Standard Sedibeng (GSV) 5 5 2 Yes Analysis
46 Midvaal Chess Open 2020 (D) 2020-01-25 2020-01-25 Standard Sedibeng (GSV) 5 5 3 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
D7 Teams 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-13
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
2
type
Standard
result
1
Opponent
Dlamini, L (Lucky)
Opponent
Saeed, Z (Zanairah)
2 6 Tournament
Eureka Open 2023
Tournament
Gauteng D7 Teams 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-08-12
rnd
5
type
Standard
result
1
Opponent
Tolmay, W (Walroux)
Opponent
Pereira, R (Raychel)
3 5 Tournament
Eureka Open 2022
Tournament
Overvaal Open 2022
date
2022-07-30
rnd
4
type
Standard
result
1
date
2022-08-06
rnd
3
type
Standard
result
1
Opponent
Viljoen, C (Chene)
Opponent
Viljoen, C (Chene)
# Games Start End
1 7 Tournament
D7 Teams 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-13
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
2
type
Standard
result
1
Opponent
Dlamini, L (Lucky)
Opponent
Saeed, Z (Zanairah)
2 6 Tournament
Eureka Open 2023
Tournament
Gauteng D7 Teams 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-08-12
rnd
5
type
Standard
result
1
Opponent
Tolmay, W (Walroux)
Opponent
Pereira, R (Raychel)
3 5 Tournament
Eureka Open 2022
Tournament
Overvaal Open 2022
date
2022-07-30
rnd
4
type
Standard
result
1
date
2022-08-06
rnd
3
type
Standard
result
1
Opponent
Viljoen, C (Chene)
Opponent
Viljoen, C (Chene)
# Games Start End
1 2 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
1
type
Rapid
result
0.5
date
2023-10-28
rnd
2
type
Rapid
result
1
Opponent
De Jager, K (Kobus)
Opponent
Booysen, Z (Zian)
2 1 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
4
type
Rapid
result
1
date
2023-10-28
rnd
4
type
Rapid
result
1
Opponent
Gielink, B (Benjamin)
Opponent
Gielink, B (Benjamin)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
D7 Teams 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-13
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
2
type
Standard
result
1
Opponent
Dlamini, L (Lucky)
Opponent
Saeed, Z (Zanairah)
2 6 Tournament
Eureka Open 2023
Tournament
Gauteng D7 Teams 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-08-12
rnd
5
type
Standard
result
1
Opponent
Tolmay, W (Walroux)
Opponent
Pereira, R (Raychel)
3 5 Tournament
Eureka Open 2022
Tournament
Overvaal Open 2022
date
2022-07-30
rnd
4
type
Standard
result
1
date
2022-08-06
rnd
3
type
Standard
result
1
Opponent
Viljoen, C (Chene)
Opponent
Viljoen, C (Chene)
# Games Start End
1 7 Tournament
D7 Teams 2022
Tournament
2022 Gauteng Schools Team Championships
date
2022-08-13
rnd
1
type
Standard
result
1
date
2022-08-27
rnd
2
type
Standard
result
1
Opponent
Dlamini, L (Lucky)
Opponent
Saeed, Z (Zanairah)
2 6 Tournament
Eureka Open 2023
Tournament
Gauteng D7 Teams 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-08-12
rnd
5
type
Standard
result
1
Opponent
Tolmay, W (Walroux)
Opponent
Pereira, R (Raychel)
3 5 Tournament
Eureka Open 2022
Tournament
Overvaal Open 2022
date
2022-07-30
rnd
4
type
Standard
result
1
date
2022-08-06
rnd
3
type
Standard
result
1
Opponent
Viljoen, C (Chene)
Opponent
Viljoen, C (Chene)
# Games Start End
1 1 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
4
type
Rapid
result
1
date
2023-10-28
rnd
4
type
Rapid
result
1
Opponent
Gielink, B (Benjamin)
Opponent
Gielink, B (Benjamin)
2 1 Tournament
Dr Pieter Hangelbroek Rapid 2023
Tournament
Dr Pieter Hangelbroek Rapid 2023
date
2023-10-28
rnd
2
type
Rapid
result
1
date
2023-10-28
rnd
2
type
Rapid
result
1
Opponent
Booysen, Z (Zian)
Opponent
Booysen, Z (Zian)
No games found.
# Games Start End

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 Tolmay ,W (Walroux) 5 1.5 -170 5 1.5 -170 0 0 0 0 0 0
1334.8 1164.8 1330.3 1164.8 0 0 0 0
2 Viljoen ,C (Chene) 5 4.5 340 5 4.5 340 0 0 0 0 0 0
1160.7 1500.7 1152.9 1500.7 0 0 0 0
3 Myburgh ,V (Vaughn) 5 1 -255 5 1 -255 0 0 0 0 0 0
1302.9 1047.9 1302.6 1047.9 0 0 0 0
4 Nagel ,D (Divan) 5 1 -255 5 1 -255 0 0 0 0 0 0
1338.1 1083.1 1335.4 1083.1 0 0 0 0
5 Bezuidenhoudt ,M (Marlo) 5 2.5 0 4 2.5 106.2 1 0 -425 0 0 0
1305.5 1305.5 1295.1 1411.7 1200 880.5 0 0
6 Brand ,HVN (Hendrik van Niekerk (Henko)) 5 1.5 -170 4 1.5 -106.2 1 0 -425 0 0 0
1475.4 1305.4 1438.9 1369.1 1438.4 1050.4 0 0
7 Smith ,MI (Melea Ine) 4 3.5 318.8 4 3.5 318.8 0 0 0 0 0 0
1147.9 1466.7 1131.8 1466.7 0 0 0 0
8 Sampson ,CL (Cadon) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1228.8 1016.3 1227.2 1016.3 0 0 0 0
9 Viviers ,W (Wiaan) 4 1 -212.5 4 1 -212.5 0 0 0 0 0 0
1212 999.5 1209.3 999.5 0 0 0 0
10 Wagner ,E (Elona) 4 2 0 4 2 0 0 0 0 0 0 0
1355.9 1355.9 1361.2 1355.9 0 0 0 0

Norms

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