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Willem Duursema

1110316415
Tshwane (GTP)
Personal
Main rating
Rating 1338.1
K-factor 36
Floor 875.5
Highest 1375.5 (2025-08-01)
Min/Max +/- allowed 129
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1263.1
Final +/- 0
New Rating
()
Rating 1338.1
K-factor 36
Floor 875.5
Highest 1375.5 (2025-08-01)
Min/Max +/- allowed 129.1
Standard rating
Rating 1334.7
K-factor 36
Floor 878.1
Highest 1378.1 (2025-08-01)
Min/Max +/- allowed 128.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1263.1
Final +/- 0
New Rating
()
Rating 1334.7
K-factor 36
Floor 878.1
Highest 1378.1 (2025-08-01)
Min/Max +/- allowed 128.7
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-03-01)
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 (2025-03-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-03-01)
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 (2025-03-01)
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 2026 Tshwane Chess Registration Tournament (C1) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1358.6 4 1 1213.8 0 Details
2 2025 Laerskool Doringkloof Primary Open Chess Tournament (C) Standard 2025-10-25 2025-10-25 Tshwane (GTP) 5 1367.1 5 2.5 1325.3 0 Details
3 2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 5 1375.5 5 3 1318.9 0 Details
4 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U15) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1351.4 4 3 1422.2 0 Details
5 2025 Jacaranda Round Robin Open Chess Tournament (K) Standard 2025-06-21 2025-06-21 Tshwane (GTP) 5 1295.8 5 4 1524.4 0 Details
6 2025 Elise Steenkamp Open Chess Tournament (Rook) Standard 2025-06-14 2025-06-16 Tshwane (GTP) 7 1295.8 7 3 1208.3 0 Details
7 2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Open) Standard 2025-05-24 2025-05-24 Tshwane (GTP) 5 1223.6 4 2 1382.4 0 Details
8 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open) Standard 2025-05-10 2025-05-10 Tshwane (GTP) 5 1223.6 5 3 1294 0 Details
9 2025 Silver Lakes Chess Club Open Chess Tournament (D) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1223.6 4 2 1256.5 0 Details
10 2025 Mid Gauteng Open Chess Tournament (D) Standard 2025-04-12 2025-04-12 Tshwane (GTP) 5 1199.8 5 3 1314.8 0 Details
11 2025 KSNG Open (D) Standard 2025-02-22 2025-02-22 Tshwane (GTP) 5 1200 5 2 1129.3 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 4
Wins 1
Draws 0
Losses 3
White 2
Black 2
White wins 1
Black wins 0
Score 1
Percent 25
Dp -212.5
AOR 1426.2
Performance 1213.8
Game statistics (History)
Games 53
Wins 27
Draws 3
Losses 23
White 27
Black 26
White wins 14
Black wins 13
Score 28.5
Percent 53.8
Dp 32.1
AOR 1271.5
Performance 1303.6
Rankings (Main)
National
Overall 4743
Gender 3968
Age group 749
Gender/Age 581
Provincial
Overall 1594
Gender 1332
Age group 256
Gender/Age 195
Regional
Overall 559
Gender 456
Age group 94
Gender/Age 72
Rankings (Standard)
National
Overall 4366
Gender 3640
Age group 687
Gender/Age 536
Provincial
Overall 1562
Gender 1303
Age group 263
Gender/Age 202
Regional
Overall 571
Gender 467
Age group 101
Gender/Age 78
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 4
Score 1
Percent 25
Aor 1426.2
Dp -212.5
Prat 1213.8
Performance (12 months)
Games 48
Score 26.5
Percent 55.2
Aor 1277.5
Dp 44.3
Prat 1321.8
Performance (History)
Games 53
Score 28.5
Percent 53.8
Aor 1271.5
Dp 32.1
Prat 1303.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Ngwana, T (Thapelo Jurie Junior) 2 2 0 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open) 2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Open) Details
Overall 2 Potgieter, W (Wilmari) 2 0 2 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U15) 2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open) Details
Standard 1 Ngwana, T (Thapelo Jurie Junior) 2 2 0 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open) 2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Open) Details
Standard 2 Potgieter, W (Wilmari) 2 0 2 2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U15) 2025 Tshwane North District CLOSED Team Championships (D3) (U15 Open) Details