PLAYER PAGE

Willem Van Der Merwe

1120130080
Sedibeng (GSV)
Personal
Main rating
Rating 1292.2
K-factor 32
Floor 905.2
Highest 1419.8 (2024-04-01)
Min/Max +/- allowed 121
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1181.1
Final +/- 0
New Rating
()
Rating 1292.2
K-factor 32
Floor 905.2
Highest 1419.8 (2024-04-01)
Min/Max +/- allowed 121.2
Standard rating
Rating 1283.8
K-factor 32
Floor 902.3
Highest 1416.9 (2024-04-01)
Min/Max +/- allowed 121.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1188.2
Final +/- 0
New Rating
()
Rating 1283.8
K-factor 32
Floor 902.3
Highest 1416.9 (2024-04-01)
Min/Max +/- allowed 121.7
Rapid rating
Rating 1221.1
K-factor 36
Floor 721.1
Highest 1225.6 (2023-10-01)
Min/Max +/- allowed 159.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1221.1
K-factor 36
Floor 721.1
Highest 1225.6 (2023-10-01)
Min/Max +/- allowed 159.9
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 D7 Sedibeng East Individuals League 2026 (U15 Boys) Standard 2026-05-23 2026-05-23 Sedibeng (GSV) 5 1320.4 5 2 1131.7 -28.2 Details
2 Fundraiser for Philip and Anika 09 May 2026 (C) Standard 2026-05-09 2026-05-09 Sedibeng (GSV) 5 1320.4 0 0 500 0 Details
3 Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1326.2 5 2.5 1283.9 -3.8 Details
4 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys) Rapid 2025-10-18 2025-10-18 Sedibeng (GSV) 6 1325.9 6 3 1327.8 0.1 Details
5 GDE (D7) Sedibeng East Schools 2025 (U13) Standard 2025-08-02 2025-08-02 Sedibeng (GSV) 5 1322.9 5 3 1334.6 2 Details
6 Eureka Chess Open 26 July 2025 (F) Standard 2025-07-26 2025-07-26 Sedibeng (GSV) 5 1321 5 2 1340.9 1.2 Details
7 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Standard 2025-05-24 2025-05-24 Sedibeng (GSV) 5 1318 5 3 1343.7 1.8 Details
8 Hoerskool Drie Riviere Open 08 March 2025 (D) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1316.5 5 3 1332.6 1 Details
9 Laer Volkskool Open 15 Feb 2025 (D) Standard 2025-02-15 2025-02-15 Sedibeng (GSV) 5 1312 5 3 1355.5 3.7 Details
10 Afrikaans High School Open 08 Feb 2025 (D) Standard 2025-02-08 2025-02-08 Sedibeng (GSV) 5 1312 5 2 1256.8 -6.1 Details
11 Gauteng Inter-Region at UJ 2024 (U14 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1281 4 1 1033.8 -20.1 Details
12 Fonteine Open 2024 (D) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1333.8 5 3 1350.4 1 Details
13 NWU Vaal Chess Open 12 Oct 2024 (D) Standard 2024-10-12 2024-10-12 Sedibeng (GSV) 5 1333.8 5 2 1204.9 -13.3 Details
14 Gauteng Top Schools 2024 (U13 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1333.8 5 2 1128.4 -20.7 Details
15 Sedibeng East D7 Teams Trials 2024 (U13) Standard 2024-08-03 2024-08-03 Sedibeng (GSV) 5 1363 5 2 1182.3 -18.3 Details
16 Eureka Open 27 July 2024 (F) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1405.2 5 2 1126 -26.4 Details
17 Hoerskool Overvaal Chess Open 2024 (D) Standard 2024-04-20 2024-04-20 Sedibeng (GSV) 5 1321 5 4 1547.4 21.4 Details
18 Vaalpark Primary Chess Open 2024 (D) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1321 5 3 1286.7 -2.5 Details
19 Valia's Open 2024 (E) Standard 2024-03-02 2024-03-02 Sedibeng (GSV) 5 1235.2 5 4 1438.7 20.7 Details
20 NG Kerk Vanderbijlpark Suid 2024 (D) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1235.2 5 3 1365.3 12 Details
21 Laerskool Midvaal Chess Open Section 2024 (D) Standard 2024-02-10 2024-02-10 Sedibeng (GSV) 5 1235.2 5 3 1398.1 15.2 Details
22 2024 Gauteng Inter-Region Chess Championship (U12A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1312.4 5 0 917.5 -42.8 Details
23 NWU Vaal Open 2023 (D) Standard 2023-10-14 2023-10-14 Sedibeng (GSV) 5 1314.6 5 2.5 1337.1 2.8 Details
24 Dr Pieter Hangelbroek Rapid 2023 (C) Rapid 2023-10-28 2023-10-28 Sedibeng (GSV) 5 1314.6 5 2.5 1262.3 -4.2 Details
25 Fonteine Chess Open 2023 (E) Standard 2023-09-02 2023-09-02 Sedibeng (GSV) 5 1317 4 1.5 1299.7 -1.5 Details
26 2023 Gauteng Top Schools (U11 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1284.4 5 2 1137.2 -13.6 Details
27 Gauteng D7 Teams 2023 (U11) Standard 2023-08-12 2023-08-12 Sedibeng (GSV) 5 1284.4 5 5 1616 31.7 Details
28 Overvaal Ope Jul 2023 (D) Standard 2023-07-22 2023-07-22 Sedibeng (GSV) 5 1309.8 5 2 1152.6 -14.6 Details
29 Eureka Open 2023 (F) Standard 2023-07-29 2023-07-29 Sedibeng (GSV) 5 1309.8 5 3 1308.5 0.7 Details
30 Valia's Chess Tournament 2023 (D) Standard 2023-05-06 2023-05-06 Sedibeng (GSV) 5 1276.9 5 3 1365.2 9.3 Details
31 Gauteng Schools D7 2023 (U11 Boys) Standard 2023-05-20 2023-05-20 Sedibeng (GSV) 5 1276.9 5 3.5 1375 9 Details
32 Overvaal Open 2023 (D) Standard 2023-04-15 2023-04-15 Sedibeng (GSV) 5 1314.8 5 2 1090.7 -21.1 Details
33 Hoerskool Drie Riviere Open 2023 (D) Standard 2023-03-11 2023-03-11 Sedibeng (GSV) 5 1282.5 5 4 1471.8 17.9 Details
34 AG Visser Open 2023 (C) Standard 2023-02-18 2023-02-18 Sedibeng (GSV) 5 1343.5 5 1.5 1002.9 -33.7 Details
35 Laerkool Midvaal Chess Open 2023 (D) Standard 2023-01-28 2023-01-28 Sedibeng (GSV) 5 1365 5 2.5 1233.7 -12 Details
36 Dr Peter Hangelbroek Open 2022 (E) Standard 2022-10-29 2022-10-29 Sedibeng (GSV) 5 1391.9 2 0.5 1008.5 -14.9 Details
37 Overvaal Open 2022 (D) Standard 2022-08-06 2022-08-06 Sedibeng (GSV) 5 1338.8 5 3 1303 -2.7 Details
38 D7 Teams 2022 (U9+U11 Mixed) Standard 2022-08-13 2022-08-13 Sedibeng (GSV) 5 1338.8 5 5 1629.6 29.2 Details
39 2022 Gauteng Schools Team Championships (U11 Open) Standard 2022-08-27 2022-08-27 Tshwane (GTP) 5 1338.8 5 3 1282.5 -6 Details
40 Eureka Open 2022 (G+H) Standard 2022-07-30 2022-07-30 Sedibeng (GSV) 5 1262.3 5 4 1496.2 22.2 Details
41 Hoerskool Overvaal 2022 (D) Standard 2022-06-11 2022-06-11 Sedibeng (GSV) 5 1183.7 5 3 1333.9 15.3 Details
42 Gaueng Schools D7 2022 (U11 Boys) Standard 2022-06-04 2022-06-04 Sedibeng (GSV) 5 1183.7 5 4 1455 25.7 Details
43 2022 Gauteng Schools Individual Chess Championship (U11 Boys) Standard 2022-06-18 2022-06-18 Ekurhuleni (GE) 5 1183.7 5 2.5 1199.7 2.2 Details
44 LS Vryheidsmonument Chess Open 2022 (D) Standard 2022-05-07 2022-05-07 Sedibeng (GSV) 5 1192.7 4 2 1129.2 -5 Details
45 Lux Deo NG Kerk Chess Open 2022 (D) Standard 2022-04-09 2022-04-09 Sedibeng (GSV) 5 1208.5 5 2 1111.3 -8.9 Details
46 Midvaal Ope 2022 (D) Standard 2022-01-29 2022-01-29 Sedibeng (GSV) 5 1190.9 5 3 1283.9 9.9 Details
47 Hoerskool Drie Riviere 2020 (F) Standard 2020-03-07 2020-03-07 Sedibeng (GSV) 5 1207.3 5 2 1107.4 -9.2 Details
48 Midvaal Chess Open 2020 (D) Standard 2020-01-25 2020-01-25 Sedibeng (GSV) 5 1200 5 3 1229.6 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 5
Wins 2
Draws 0
Losses 3
White 2
Black 3
White wins 1
Black wins 1
Score 2
Percent 40
Dp -85
AOR 1216.7
Performance 1131.7
Game statistics (History)
Games 230
Wins 115
Draws 19
Losses 96
White 113
Black 117
White wins 58
Black wins 57
Score 124.5
Percent 54.1
Dp 35.1
AOR 1244.8
Performance 1279.9
Rankings (Main)
National
Overall 6745
Gender 5519
Age group 1134
Gender/Age 883
Provincial
Overall 2287
Gender 1877
Age group 396
Gender/Age 303
Regional
Overall 257
Gender 219
Age group 51
Gender/Age 42
Rankings (Standard)
National
Overall 6243
Gender 5040
Age group 1055
Gender/Age 815
Provincial
Overall 2226
Gender 1801
Age group 396
Gender/Age 300
Regional
Overall 254
Gender 211
Age group 49
Gender/Age 40
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 5
Score 2
Percent 40
Aor 1216.7
Dp -85
Prat 1131.7
Performance (12 months)
Games 26
Score 12.5
Percent 48.1
Aor 1301.8
Dp -16.3
Prat 1285.5
Performance (History)
Games 230
Score 124.5
Percent 54.1
Aor 1244.8
Dp 35.1
Prat 1279.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Viljoen, C (Chene) 5 1 4 Lux Deo NG Kerk Chess Open 2022 (D) Overvaal Open 2022 (D) Details
Overall 2 Tolmay, W (Walroux) 5 2 3 Midvaal Chess Open 2020 (D) Eureka Open 2023 (F) Details
Overall 3 Bezuidenhoudt, M (Marlo) 5 3 2 Eureka Open 2022 (G+H) Vaalpark Primary Chess Open 2024 (D) Details
Overall 4 Brand, HVN (Hendrik van Niekerk (Henko)) 5 3 2 Hoerskool Overvaal 2022 (D) 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys) Details
Overall 5 Myburgh, V (Vaughn) 5 3 2 Hoerskool Overvaal 2022 (D) NWU Vaal Open 2023 (D) Details
Standard 1 Viljoen, C (Chene) 5 1 4 Lux Deo NG Kerk Chess Open 2022 (D) Overvaal Open 2022 (D) Details
Standard 2 Tolmay, W (Walroux) 5 2 3 Midvaal Chess Open 2020 (D) Eureka Open 2023 (F) Details
Standard 3 Myburgh, V (Vaughn) 5 3 2 Hoerskool Overvaal 2022 (D) NWU Vaal Open 2023 (D) Details
Standard 4 Nagel, D (Divan) 5 3 2 Gauteng Schools D7 2023 (U11 Boys) Afrikaans High School Open 08 Feb 2025 (D) Details
Standard 5 Sampson, CL (Cadon) 4 2 2 D7 Teams 2022 (U9+U11 Mixed) Afrikaans High School Open 08 Feb 2025 (D) Details