PLAYER PAGE

Willem Van Der Merwe

1120130080
Sedibeng (GSV)
Personal
Main rating
Rating 1320.4
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 1225.6
Final +/- 0
New Rating
()
Rating 1320.4
K-factor 32
Floor 905.2
Highest 1419.8 (2024-04-01)
Min/Max +/- allowed 121.2
Standard rating
Rating 1318.4
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 1231.9
Final +/- 0
New Rating
()
Rating 1318.4
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 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 Fonteine Open 2024 (D) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1333.8 5 3 1350.4 1 Details
11 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
12 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
13 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
14 Eureka Open 27 July 2024 (F) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1405.2 5 2 1126 -26.4 Details
15 Hoerskool Overvaal Chess Open 2024 (D) Standard 2024-04-20 2024-04-20 Sedibeng (GSV) 5 1321 5 4 1547.4 21.4 Details
16 Vaalpark Primary Chess Open 2024 (D) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1321 5 3 1286.7 -2.5 Details
17 Valia's Open 2024 (E) Standard 2024-03-02 2024-03-02 Sedibeng (GSV) 5 1235.2 5 4 1438.7 20.7 Details
18 NG Kerk Vanderbijlpark Suid 2024 (D) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1235.2 5 3 1365.3 12 Details
19 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
20 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
21 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
22 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
23 Fonteine Chess Open 2023 (E) Standard 2023-09-02 2023-09-02 Sedibeng (GSV) 5 1317 4 1.5 1299.7 -1.5 Details
24 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
25 Gauteng D7 Teams 2023 (U11) Standard 2023-08-12 2023-08-12 Sedibeng (GSV) 5 1284.4 5 5 1616 31.7 Details
26 Overvaal Ope Jul 2023 (D) Standard 2023-07-22 2023-07-22 Sedibeng (GSV) 5 1309.8 5 2 1152.6 -14.6 Details
27 Eureka Open 2023 (F) Standard 2023-07-29 2023-07-29 Sedibeng (GSV) 5 1309.8 5 3 1308.5 0.7 Details
28 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
29 Gauteng Schools D7 2023 (U11 Boys) Standard 2023-05-20 2023-05-20 Sedibeng (GSV) 5 1276.9 5 3.5 1375 9 Details
30 Overvaal Open 2023 (D) Standard 2023-04-15 2023-04-15 Sedibeng (GSV) 5 1314.8 5 2 1090.7 -21.1 Details
31 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
32 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
33 Laerkool Midvaal Chess Open 2023 (D) Standard 2023-01-28 2023-01-28 Sedibeng (GSV) 5 1365 5 2.5 1233.7 -12 Details
34 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
35 Overvaal Open 2022 (D) Standard 2022-08-06 2022-08-06 Sedibeng (GSV) 5 1338.8 5 3 1303 -2.7 Details
36 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
37 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
38 Eureka Open 2022 (G+H) Standard 2022-07-30 2022-07-30 Sedibeng (GSV) 5 1262.3 5 4 1496.2 22.2 Details
39 Hoerskool Overvaal 2022 (D) Standard 2022-06-11 2022-06-11 Sedibeng (GSV) 5 1183.7 5 3 1333.9 15.3 Details
40 Gaueng Schools D7 2022 (U11 Boys) Standard 2022-06-04 2022-06-04 Sedibeng (GSV) 5 1183.7 5 4 1455 25.7 Details
41 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
42 LS Vryheidsmonument Chess Open 2022 (D) Standard 2022-05-07 2022-05-07 Sedibeng (GSV) 5 1192.7 4 2 1129.2 -5 Details
43 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
44 Midvaal Ope 2022 (D) Standard 2022-01-29 2022-01-29 Sedibeng (GSV) 5 1190.9 5 3 1283.9 9.9 Details
45 Hoerskool Drie Riviere 2020 (F) Standard 2020-03-07 2020-03-07 Sedibeng (GSV) 5 1207.3 5 2 1107.4 -9.2 Details
46 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 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 (History)
Games 225
Wins 113
Draws 19
Losses 93
White 111
Black 114
White wins 57
Black wins 56
Score 122.5
Percent 54.4
Dp 37.8
AOR 1245.5
Performance 1283.2
Rankings (Main)
National
Overall 5482
Gender 4536
Age group 890
Gender/Age 687
Provincial
Overall 1825
Gender 1523
Age group 302
Gender/Age 235
Regional
Overall 181
Gender 157
Age group 32
Gender/Age 27
Rankings (Standard)
National
Overall 5011
Gender 4125
Age group 812
Gender/Age 630
Provincial
Overall 1745
Gender 1450
Age group 294
Gender/Age 229
Regional
Overall 181
Gender 152
Age group 29
Gender/Age 23
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 26
Score 13.5
Percent 51.9
Aor 1309.9
Dp 16.3
Prat 1326.2
Performance (History)
Games 225
Score 122.5
Percent 54.4
Aor 1245.5
Dp 37.8
Prat 1283.2
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 Brand, HVN (Hendrik van Niekerk (Henko)) 5 3 2 Hoerskool Overvaal 2022 (D) 2025 Sedibeng Municipality OR Tambo Soncini Chess Finals (Boys) Details
Overall 4 Myburgh, V (Vaughn) 5 3 2 Hoerskool Overvaal 2022 (D) NWU Vaal Open 2023 (D) Details
Overall 5 Nagel, D (Divan) 5 3 2 Gauteng Schools D7 2023 (U11 Boys) Afrikaans High School Open 08 Feb 2025 (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 Smith, MI (Melea Ine) 4 1 3 Hoerskool Overvaal 2022 (D) Hoerskool Overvaal Chess Open 2024 (D) Details