PLAYER PAGE

Pierre Jean Willemse

1110133701
Sedibeng (GSV)
Personal
Main rating
Rating 1348.4
K-factor 32
Floor 920.9
Highest 1436.4 (2023-10-01)
Min/Max +/- allowed 118
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1138.3
Final +/- 0
New Rating
()
Rating 1348.4
K-factor 32
Floor 920.9
Highest 1436.4 (2023-10-01)
Min/Max +/- allowed 118.4
Standard rating
Rating 1353.9
K-factor 32
Floor 925.4
Highest 1437.7 (2024-04-01)
Min/Max +/- allowed 118.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1138.3
Final +/- 0
New Rating
()
Rating 1353.9
K-factor 32
Floor 925.4
Highest 1437.7 (2024-04-01)
Min/Max +/- allowed 118.2
Rapid rating
Rating 1209.9
K-factor 36
Floor 709.9
Highest 1209.9 (2025-05-05)
Min/Max +/- allowed 163.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1209.9
K-factor 36
Floor 709.9
Highest 1209.9 (2025-05-05)
Min/Max +/- allowed 163.5
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 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1376.6 5 1 1199 0 Details
2 Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1376.6 5 0.5 1171.6 0 Details
3 Queen's Gambit Chess Open 29 Nov 2025 (C) Standard 2025-11-29 2025-11-29 Sedibeng (GSV) 5 1381.5 4 1 1136.1 0 Details
4 LS Fonteine Open 18 Oct 2025 (B+C) Standard 2025-10-18 2025-10-18 Sedibeng (GSV) 5 1394.8 4 1 1080.1 0 Details
5 LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Standard 2025-06-21 2025-06-21 Sedibeng (GSV) 5 1404.3 5 2.5 1336 0 Details
6 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U15 Boys) Standard 2025-05-24 2025-05-24 Sedibeng (GSV) 5 1387.8 5 4 1498.4 0 Details
7 HS Overvaal Rapid 12 Apr 2025 (C) Rapid 2025-04-12 2025-04-12 Sedibeng (GSV) 5 1393.9 5 2.5 1332.7 0 Details
8 Destinata Rapid Open 025 (Prestige) Rapid 2025-03-15 2025-03-15 Sedibeng (GSV) 6 1377.1 6 1.5 1353.7 0 Details
9 Hoerskool Drie Riviere Open 08 March 2025 (C) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1377.1 5 3 1503.7 0 Details
10 Laerskool Vaalpark Open 01 March 25 (C) Standard 2025-03-01 2025-03-01 Sedibeng (GSV) 5 1377.1 4 2 1400.9 0 Details
11 Gauteng Inter-Region at UJ 2024 (U14 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1337.3 5 1 1190.3 0 Details
12 Queens Gambit Chess Open 2024 (C) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1357 3 1 1158.8 0 Details
13 Fonteine Open 2024 (C) Standard 2024-10-19 2024-10-19 Sedibeng (GSV) 5 1368.2 5 3 1289.9 0 Details
14 Sedibeng Chess Open 07 Sept 24 (C) Standard 2024-09-07 2024-09-07 Sedibeng (GSV) 5 1384.9 5 2 1285.9 0 Details
15 Midvaal Winter Classic 13 July 2024 (D) Rapid 2024-07-13 2024-07-13 Sedibeng (GSV) 7 1416.4 7 3 1209.2 0 Details
16 AG Visser Open 2024 (C) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1420.1 5 3 1400.9 0 Details
17 Hoerskool Overvaal Chess Open 2024 (C) Standard 2024-04-20 2024-04-20 Sedibeng (GSV) 5 1349.9 5 4.5 1723.1 0 Details
18 Vaalpark Primary Chess Open 2024 (C) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1349.9 5 2.5 1398.4 0 Details
19 Valia's Open 2024 (C) Standard 2024-03-02 2024-03-02 Sedibeng (GSV) 5 1395.3 5 2 1076 0 Details
20 Laerskool Midvaal Chess Open Section 2024 (C) Standard 2024-02-10 2024-02-10 Sedibeng (GSV) 5 1395.3 5 3.5 1421 0 Details
21 2024 Gauteng Inter-Region Chess Championship (U14A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1420.9 5 1.5 1282.5 0 Details
22 NWU Vaal Open 2023 (D) Standard 2023-10-14 2023-10-14 Sedibeng (GSV) 5 1346.6 5 5 1734.6 0 Details
23 Eureka Open 2023 (D) Standard 2023-07-29 2023-07-29 Sedibeng (GSV) 5 1359.1 5 3 1279.2 0 Details
24 Valia's Chess Tournament 2023 (C) Standard 2023-05-06 2023-05-06 Sedibeng (GSV) 5 1298.9 5 3.5 1342.5 0 Details
25 Gauteng Schools D7 2023 (U13 Boys) Standard 2023-05-20 2023-05-20 Sedibeng (GSV) 5 1298.9 5 4 1458 0 Details
26 Driehoek Open Chess Tournament 2023 (C) Standard 2023-09-13 2023-09-13 Sedibeng (GSV) 5 1298.9 5 3 1338.4 0 Details
27 Gauteng Schools Individual Finals 2023 (U13 Boys) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1298.9 5 2.5 1238.6 0 Details
28 Overvaal Open 2023 (D) Standard 2023-04-15 2023-04-15 Sedibeng (GSV) 5 1237.1 5 4 1518.7 0 Details
29 Heidelberg Open 2023 (C) Standard 2023-02-04 2023-02-04 Sedibeng (GSV) 5 1232 5 3 1308.1 0 Details
30 AG Visser Open 2023 (A+B) Standard 2023-02-18 2023-02-18 Sedibeng (GSV) 5 1232 5 2 1172.6 0 Details
31 Dr Peter Hangelbroek Open 2022 (E) Standard 2022-10-29 2022-10-29 Sedibeng (GSV) 5 1205.7 5 3 1347.1 0 Details
32 Overvaal Open 2022 (C) Standard 2022-08-06 2022-08-06 Sedibeng (GSV) 5 1283.7 4 0 920.6 0 Details
33 D7 Teams 2022 (U13 Mixed+Girls) Standard 2022-08-13 2022-08-13 Sedibeng (GSV) 5 1283.7 5 1.5 1125 0 Details
34 Eureka Open 2022 (C) Standard 2022-07-30 2022-07-30 Sedibeng (GSV) 5 1283.7 0 0 0 0 Details
35 Hoerskool Overvaal 2022 (C) Standard 2022-06-11 2022-06-11 Sedibeng (GSV) 5 1292.1 5 3 1333.3 0 Details
36 Gaueng Schools D7 2022 (U11 Boys) Standard 2022-06-04 2022-06-04 Sedibeng (GSV) 5 1292.1 5 4 1472.2 0 Details
37 2022 Gauteng Schools Individual Chess Championship (U11 Boys) Standard 2022-06-18 2022-06-18 Ekurhuleni (GE) 5 1292.1 5 1.5 1044.9 0 Details
38 LS Vryheidsmonument Chess Open 2022 (C) Standard 2022-05-07 2022-05-07 Sedibeng (GSV) 5 1301.4 5 3 1253.9 0 Details
39 Lux Deo NG Kerk Chess Open 2022 (C) Standard 2022-04-09 2022-04-09 Sedibeng (GSV) 5 1365.5 5 2 1106.8 0 Details
40 Dirk De Koster Chess Open 2022 (C) Standard 2022-04-23 2022-04-23 Ekurhuleni (GE) 5 1365.5 5 2 1105 0 Details
41 Carel`s Chess Open 2022 (D) Standard 2022-03-05 2022-03-05 Sedibeng (GSV) 5 1197.3 5 5 1631.6 0 Details
42 2022 Gauteng Interregion (U12 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1135.9 5 2 1094.6 0 Details
43 Heidelberg Open 2022 (D) Standard 2022-05-02 2022-05-02 Sedibeng (GSV) 5 1135.9 5 4 1508.9 0 Details
44 Sedibeng Trials 20 November 2021 (A) Standard 2021-11-20 2021-11-20 Sedibeng (GSV) 5 1200 5 1 882.8 0 Details
45 Mabaleng Chess Open 2021 (D) Standard 2021-11-27 2021-11-27 Sedibeng (GSV) 5 1200 5 2.5 1203.1 0 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 217
Wins 102
Draws 17
Losses 98
White 113
Black 104
White wins 56
Black wins 46
Score 110.5
Percent 50.9
Dp 7.8
AOR 1288.3
Performance 1296.1
Rankings (Main)
National
Overall 4444
Gender 3727
Age group 684
Gender/Age 530
Provincial
Overall 1496
Gender 1251
Age group 236
Gender/Age 179
Regional
Overall 145
Gender 124
Age group 25
Gender/Age 20
Rankings (Standard)
National
Overall 3918
Gender 3271
Age group 596
Gender/Age 463
Provincial
Overall 1394
Gender 1166
Age group 224
Gender/Age 171
Regional
Overall 140
Gender 120
Age group 25
Gender/Age 20
Rankings (Rapid)
National
Overall 4029
Gender 3165
Age group 875
Gender/Age 653
Provincial
Overall 770
Gender 607
Age group 155
Gender/Age 106
Regional
Overall 137
Gender 110
Age group 37
Gender/Age 30
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 44
Score 17
Percent 38.6
Aor 1396.5
Dp -96.6
Prat 1299.9
Performance (History)
Games 217
Score 110.5
Percent 50.9
Aor 1288.3
Dp 7.8
Prat 1296.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maseloane, T (Tshepang) 6 2 4 Mabaleng Chess Open 2021 (D) Hoerskool Overvaal Chess Open 2024 (C) Details
Overall 2 Visser, M (Mila) 5 3 2 Dr Peter Hangelbroek Open 2022 (E) LS Fonteine Open 18 Oct 2025 (B+C) Details
Overall 3 Emanuel, C (Caitlin) 4 1 3 NWU Vaal Open 2023 (D) LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Details
Overall 4 Odendaal, H (Hayden) 4 2 2 Heidelberg Open 2022 (D) AG Visser Open 2024 (C) Details
Overall 5 Williams, A (Anika) 4 4 0 LS Vryheidsmonument Chess Open 2022 (C) LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Details
Standard 1 Maseloane, T (Tshepang) 6 2 4 Mabaleng Chess Open 2021 (D) Hoerskool Overvaal Chess Open 2024 (C) Details
Standard 2 Visser, M (Mila) 5 3 2 Dr Peter Hangelbroek Open 2022 (E) LS Fonteine Open 18 Oct 2025 (B+C) Details
Standard 3 Odendaal, H (Hayden) 4 2 2 Heidelberg Open 2022 (D) AG Visser Open 2024 (C) Details
Standard 4 Kotzee, A (Armand) 4 2 2 Mabaleng Chess Open 2021 (D) Gauteng Schools Individual Finals 2023 (U13 Boys) Details
Standard 5 Williams, A (Anika) 4 4 0 LS Vryheidsmonument Chess Open 2022 (C) LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Details