PLAYER PAGE

Benjamin Dubbeld

1090157940
Cape Town (WCT)
Personal
Main rating
Rating 1689.3
K-factor 28
Floor 1206.6
Highest 1706.6 (2026-07-01)
Min/Max +/- allowed 81
Rating Change
()
Games 22
Score 11.5
We 12.75
SWe -1.13
Temp +/- -31.5
Penalties 0
Weight perform 1586.2
Final +/- -31.5
New Rating
()
Rating 1657.8
K-factor 28
Floor 1206.6
Highest 1706.6 (2026-07-01)
Min/Max +/- allowed 80.6
Standard rating
Rating 1663.9
K-factor 28
Floor 1186.4
Highest 1686.4 (2026-07-01)
Min/Max +/- allowed 82.9
Rating Change
()
Games 15
Score 7.5
We 8.42
SWe -0.92
Temp +/- -25.7
Penalties 0
Weight perform 1628.9
Final +/- -25.7
New Rating
()
Rating 1638.2
K-factor 28
Floor 1186.4
Highest 1686.4 (2026-07-01)
Min/Max +/- allowed 82.9
Rapid rating
Rating 1555.9
K-factor 32
Floor 1055.9
Highest 1555.9 (2026-06-01)
Min/Max +/- allowed 99.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1491.1
Final +/- 0
New Rating
()
Rating 1555.9
K-factor 32
Floor 1055.9
Highest 1555.9 (2026-06-01)
Min/Max +/- allowed 99.9
Blitz rating
Rating 1332.3
K-factor 36
Floor 832.3
Highest 1332.3 (2026-08-01)
Min/Max +/- allowed 137.3
Rating Change
()
Games 7
Score 4
We 3.69
SWe 0.31
Temp +/- 11.3
Penalties 0
Weight perform 0
Final +/- +11.3
New Rating
()
Rating 1343.6
K-factor 36
Floor 843.6
Highest 1343.6 (2026-10-01)
Min/Max +/- allowed 135.1
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 CTCF Women's Championship 2026 (Advanced) Classical 2026-09-24 2026-09-27 Cape Town (WCT) 6 1689.3 6 3.5 1677.1 -2.2 Details
2 CTCF Women's Championship 2026 (Blitz) Blitz 2026-09-24 2026-09-24 Cape Town (WCT) 7 1689.3 7 4 1662.4 -0.8 Details
3 CTCF League 2026 (B) Classical 2026-08-01 2026-09-20 Cape Town (WCT) 11 1689.3 9 4 1596.7 -28.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Open Championship 2026 (Advanced) Classical 2026-06-28 2026-07-05 Cape Town (WCT) 9 1706.6 9 5 1614 -25.8 Details
2 Randburg Chess Club WInter Blitz 2026 Blitz 2026-07-07 2026-07-07 Johannesburg Metro (GJM) 8 1706.6 8 5 1857.8 8.6 Details
3 CTCF Open Championship 2026 (Advanced) Classical 2026-06-13 2026-06-15 Cape Town (WCT) 6 1654.6 6 3.5 1714.7 11.9 Details
4 UWC Chess Club Open Rapid 2026 (B) Rapid 2026-05-02 2026-05-02 Cape Town (WCT) 6 1564.1 6 5.5 1776.3 27.7 Details
5 Moja Chess Extravaganza 2026 (U18) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1564.1 5 4.5 1897 51.5 Details
6 Chess Elevation Series 5 2026 (Level 5) Standard 2026-04-17 2026-04-18 Cape Town (WCT) 5 1535 4 3 1756.3 29.1 Details
7 Steinitz Chess Festival 2026 (Advanced) Standard 2026-03-20 2026-03-22 Cape Town (WCT) 6 1625.5 6 3 1434.2 -40.1 Details
8 Cape Winelands Open Rapid 2026 (Advanced) Rapid 2026-03-14 2026-03-14 Cape Winelands (WCW) 6 1625.5 6 2.5 1448.6 -18.7 Details
9 CT Metro Schools Individual Closed 2026 (U18 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1625.5 6 3.5 1401.9 -42.5 Details
10 Chess Elevation Series 3 2026 (Level 5) Standard 2026-02-20 2026-02-21 Cape Town (WCT) 5 1523.9 5 4.5 1872.1 36.4 Details
11 District Central Schools Chess Individual Trials 2026 (U17 Open) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1523.9 6 4 1395.6 -14.9 Details
12 COGH 2026 (Advanced) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1523.9 6 3.5 1687.2 10.8 Details
13 Four Seasons Summer Slam 2025 (Intermediate) Rapid 2025-12-10 2025-12-10 Cape Town (WCT) 6 1512.3 6 4 1591 5.3 Details
14 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1512.3 6 3 1572.5 8.4 Details
15 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1512.3 5 2.5 1451.7 -5.1 Details
16 Kraaifontein Open 2025 (Rapid Open) Rapid 2025-12-07 2025-12-07 Cape Town (WCT) 6 1512.3 6 4 1585.3 5.2 Details
17 A & A Invitational Chess Tournament 2025 (U16+U18) Standard 2025-11-29 2025-11-29 Cape Town (WCT) 5 1512.3 4 2 1429 -6.5 Details
18 Spring Slam 2025 (Intermediate) Rapid 2025-11-02 2025-11-02 Cape Town (WCT) 6 1528.2 6 3 1377.2 -9.9 Details
19 Cape Town Chess Federation Club League 2025 (C) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1439.3 7 4.5 1543.6 16.4 Details
20 Cape Town Chess Federation Club League 2025 (D) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1439.3 0 0 0 0 Details
21 UCT Open Chess Championship 2025 (Advanced) Standard 2025-10-10 2025-10-12 Cape Town (WCT) 6 1439.3 6 4.5 1752.7 41.4 Details
22 Royal Rapid Challenge 2025 (A) Rapid 2025-10-04 2025-10-04 Cape Town (WCT) 7 1439.3 7 2 1420.5 -2.3 Details
23 4th Curro Durbanville Rapid Open 2025 (Advanced) Rapid 2025-07-19 2025-07-19 Cape Town (WCT) 7 1488 7 2 1344 -11.6 Details
24 Bellville Rapid 2025 (A) Rapid 2025-06-07 2025-06-07 Cape Town (WCT) 6 1488 6 1 1193.7 -18.8 Details
25 Cape Town Chess Junior League 2025 (U16) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 5 1424 4 4 1691.3 19.6 Details
26 Western Cape Schools Individual Championship 2025 (U17 Boys) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1404.9 6 2.5 1475.6 6.6 Details
27 Hermanus Chess Club Open 2025 (Intermediate) Rapid 2025-04-12 2025-04-12 Overberg (WOS) 7 1404.9 7 4.5 1457.7 5.2 Details
28 Cape Town Open Chess Festival 2025 (C) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1384 6 4 1427.4 5.8 Details
29 Western Cape Closed 2025 (C) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1384 6 4 1441.2 7.7 Details
30 CT Metro Schools Individual Closed 2025 (U17 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1384 6 3.5 1378.7 -0.5 Details
31 Cape of Good Hope Open 2025 (Advanced) Standard 2025-02-22 2025-02-23 Cape Town (WCT) 6 1405 6 2 1338.3 -8 Details
32 2025 District Central Schools Chess Individual Trials (U18 Open) Standard 2025-01-31 2025-02-01 Cape Town (WCT) 6 1405 6 4 1346.7 -5.1 Details
33 Cape Town Masters Challenge 2025 (Advanced) Classical 2025-01-06 2025-01-11 Cape Town (WCT) 9 1318.9 9 4 1439 25.8 Details
34 2025 Kraaifontein Open Chess Championships (Rapid Open) Rapid 2025-01-05 2025-01-05 Cape Town (WCT) 6 1318.9 6 3 1586.8 22 Details
35 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) Standard 2024-12-07 2024-12-07 Cape Town (WCT) 5 1276.8 4 2.5 1385.2 10.5 Details
36 Rylib Summer Slam 2024 (Open) Rapid 2024-12-03 2024-12-03 Cape Town (WCT) 6 1276.8 6 4.5 1470.7 13 Details
37 UCT Open Chess Championship 2024 (Intermediate) Standard 2024-10-12 2024-10-13 Cape Town (WCT) 6 1289.7 6 2.5 1185.4 -12.8 Details
38 Spring Slam 2024 (B) Rapid 2024-10-05 2024-10-05 Cape Town (WCT) 6 1289.7 6 4 1371.9 5.6 Details
39 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1317.3 6 1 1024.9 -43 Details
40 CT League 2024 (D) Standard 2024-08-03 2024-08-03 Cape Town (WCT) 6 1317.3 3 3 1758.1 27.8 Details
41 Westerford Chess Challenger 2024 (U15) Rapid 2024-07-25 2024-07-25 Cape Town (WCT) 6 1316 5 2.5 1321.3 0.7 Details
42 Curro Durbanville Chess Rapid Open 2024 (Intermediate) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1339.5 6 3 1198.9 -13 Details
43 Cape Town Chess Federation Closed Chess Championships 2024 (U16) Standard 2024-06-15 2024-06-16 Cape Town (WCT) 6 1337.9 6 3 1344.6 0.9 Details
44 Steinitz Chess Festival 2024 (Open Rapid) Rapid 2024-05-11 2024-05-11 Cape Town (WCT) 6 1325.2 6 3 1469.6 7.1 Details
45 Cape Town Open Chess Championship 2024 (Intermediate) Standard 2024-03-16 2024-03-17 Cape Town (WCT) 6 1325.1 6 3 1424.9 12.2 Details
46 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1325.1 6 2.5 1220.1 -12.1 Details
47 CT Metro Central District Schools Chess Individuals Trials 2024 (U15 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1301.6 5 3 1365.6 5.6 Details
48 Cape of Good Hope Open Chess Tournament 2024 (Open) Rapid 2024-02-18 2024-02-18 Cape Town (WCT) 6 1301.6 6 3.5 1393.1 7.7 Details
49 Rylib Summer Slam 2023 (Development) Rapid 2023-12-12 2023-12-12 Cape Town (WCT) 6 1271.8 6 5 1521.3 16.6 Details
50 Chess Elevation Series 2023 (Level 1A) Standard 2023-11-03 2023-11-04 Cape Town (WCT) 5 1210.4 5 4 1550 34.1 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 95
Wins 53
Draws 12
Losses 30
White 47
Black 48
White wins 33
Black wins 20
Score 59
Percent 62.1
Dp 102.9
AOR 1544.2
Performance 1647.1
Game statistics (History)
Games 324
Wins 167
Draws 32
Losses 125
White 161
Black 163
White wins 94
Black wins 73
Score 183
Percent 56.5
Dp 55.1
AOR 1425.7
Performance 1480.8
Rankings (Main)
National
Overall 613
Gender 575
Age group 60
Gender/Age 57
Provincial
Overall 182
Gender 169
Age group 17
Gender/Age 17
Regional
Overall 134
Gender 126
Age group 10
Gender/Age 10
Rankings (Standard)
National
Overall 673
Gender 631
Age group 68
Gender/Age 65
Provincial
Overall 193
Gender 177
Age group 19
Gender/Age 19
Regional
Overall 144
Gender 135
Age group 10
Gender/Age 10
Rankings (Rapid)
National
Overall 263
Gender 248
Age group 36
Gender/Age 36
Provincial
Overall 121
Gender 114
Age group 18
Gender/Age 18
Regional
Overall 71
Gender 69
Age group 8
Gender/Age 8
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 95
Score 59
Percent 62.1
Aor 1544.2
Dp 102.9
Prat 1647.1
Performance (12 months)
Games 128
Score 77.5
Percent 60.5
Aor 1521.4
Dp 89.6
Prat 1611
Performance (History)
Games 324
Score 183
Percent 56.5
Aor 1425.7
Dp 55.1
Prat 1480.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Green, L (Lyndon) 3 0 3 Western Cape Closed 2025 (C) Chess Elevation Series 3 2026 (Level 5) Details
Overall 2 Hagan, B (Bianca) 3 2 1 Cape Town Chess Federation Closed Chess Championships 2024 (U16) Moja Chess Extravaganza 2026 (U18) Details
Overall 3 Webber, CPS (Colin Peter Slade) 3 1 2 Rylib Summer Slam 2024 (Open) Bellville Rapid 2025 (A) Details
Overall 4 Mangali, O (Ongama) 3 2 1 CT Metro Central District Schools Chess Individuals Trials 2024 (U15 Boys) District Central Schools Chess Individual Trials 2026 (U17 Open) Details
Overall 5 Hagan, T (Tristin) 3 1 2 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) Steinitz Chess Festival 2026 (Advanced) Details
Standard 1 Engelbrecht, D (Deoren) 3 1 2 UCT Open Chess Championship 2025 (Advanced) Chess Elevation Series 5 2026 (Level 5) Details
Standard 2 Green, L (Lyndon) 3 0 3 Western Cape Closed 2025 (C) Chess Elevation Series 3 2026 (Level 5) Details
Standard 3 Hagan, B (Bianca) 3 2 1 Cape Town Chess Federation Closed Chess Championships 2024 (U16) Moja Chess Extravaganza 2026 (U18) Details
Standard 4 Hagan, T (Tristin) 3 1 2 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) Steinitz Chess Festival 2026 (Advanced) Details
Standard 5 Mangali, O (Ongama) 3 2 1 CT Metro Central District Schools Chess Individuals Trials 2024 (U15 Boys) District Central Schools Chess Individual Trials 2026 (U17 Open) Details
Rapid 1 Webber, CPS (Colin Peter Slade) 3 1 2 Rylib Summer Slam 2024 (Open) Bellville Rapid 2025 (A) Details
Rapid 2 Musakwa, C (Courtney) 2 1 1 Cape of Good Hope Open Chess Tournament 2024 (Open) Rylib Summer Slam 2024 (Open) Details
Rapid 3 Dubbeld, BM (Bernard) 2 0 2 Steinitz Chess Festival 2024 (Open Rapid) 2025 Kraaifontein Open Chess Championships (Rapid Open) Details
Rapid 4 Bowman, F (Fuqaan) 2 1 1 Spring Slam 2024 (B) UWC Chess Club Open Rapid 2026 (B) Details
Rapid 5 Kotliar, B (Beatrisa) 2 1 1 Chess Challengers Championship – High School 2023 (U15) Westerford Chess Challenger 2024 (U15) Details