PLAYER PAGE

Benjamin Dubbeld

1090157940
Cape Town (WCT)
Personal
Main rating
Rating 1706.6
K-factor 28
Floor 1206.6
Highest 1706.6 (2026-07-01)
Min/Max +/- allowed 81
Rating Change
()
Games 17
Score 10
We 9.56
SWe -0.62
Temp +/- -17.2
Penalties 0
Weight perform 1664.1
Final +/- -17.2
New Rating
()
Rating 1689.3
K-factor 28
Floor 1206.6
Highest 1706.6 (2026-07-01)
Min/Max +/- allowed 80.6
Standard rating
Rating 1686.4
K-factor 28
Floor 1186.4
Highest 1686.4 (2026-07-01)
Min/Max +/- allowed 82.9
Rating Change
()
Games 9
Score 5
We 5.8
SWe -0.8
Temp +/- -22.4
Penalties 0
Weight perform 1676.6
Final +/- -22.4
New Rating
()
Rating 1663.9
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 1531.4
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 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 8
Score 5
We 1.33
SWe 3.67
Temp +/- 132.3
Penalties 0
Weight perform 0
Final +/- +132.3
New Rating
()
Rating 1332.3
K-factor 36
Floor 832.3
Highest 1332.3 (2026-07-01)
Min/Max +/- allowed 137.3
Rating Graph
Tournaments
# 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 COGH 2026 (Advanced) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1523.9 6 3.5 1687.2 10.8 Details
11 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
12 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
13 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
14 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
15 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
16 Spring Slam 2025 (Intermediate) Rapid 2025-11-02 2025-11-02 Cape Town (WCT) 6 1528.2 6 3 1377.2 -9.9 Details
17 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
18 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
19 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
20 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
21 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
22 Bellville Rapid 2025 (A) Rapid 2025-06-07 2025-06-07 Cape Town (WCT) 6 1488 6 1 1193.7 -18.8 Details
23 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
24 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
25 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
26 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
27 Western Cape Closed 2025 (C) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1384 6 4 1441.2 7.7 Details
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 Spring Slam 2024 (B) Rapid 2024-10-05 2024-10-05 Cape Town (WCT) 6 1289.7 6 4 1371.9 5.6 Details
37 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1317.3 6 1 1024.9 -43 Details
38 CT League 2024 (D) Standard 2024-08-03 2024-08-03 Cape Town (WCT) 6 1317.3 3 3 1758.1 27.8 Details
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 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
49 Chess Challengers Championship – High School 2023 (U15) Rapid 2023-10-14 2023-10-14 Cape Town (WCT) 6 1194.8 6 3 1311.1 8.7 Details
50 GPCA Rapid 2023 (Advanced) Rapid 2023-06-24 2023-06-24 Cape Town (WCT) 7 1200 7 3 1174 -2.8 Details
Game statistics ( )
Games 8
Wins 5
Draws 0
Losses 3
White 4
Black 4
White wins 4
Black wins 1
Score 5
Percent 62.5
Dp 106.2
AOR 1751.5
Performance 1857.8
Game statistics ()
Games 73
Wins 43
Draws 9
Losses 21
White 35
Black 38
White wins 26
Black wins 17
Score 47.5
Percent 65.1
Dp 128.1
AOR 1521.3
Performance 1649.4
Game statistics (History)
Games 302
Wins 157
Draws 29
Losses 116
White 149
Black 153
White wins 87
Black wins 70
Score 171.5
Percent 56.8
Dp 57.7
AOR 1411.5
Performance 1469.2
Rankings (Main)
National
Overall 540
Gender 505
Age group 50
Gender/Age 47
Provincial
Overall 173
Gender 161
Age group 15
Gender/Age 15
Regional
Overall 131
Gender 124
Age group 8
Gender/Age 8
Rankings (Standard)
National
Overall 587
Gender 552
Age group 54
Gender/Age 51
Provincial
Overall 175
Gender 163
Age group 14
Gender/Age 14
Regional
Overall 134
Gender 127
Age group 8
Gender/Age 8
Rankings (Rapid)
National
Overall 247
Gender 236
Age group 29
Gender/Age 29
Provincial
Overall 116
Gender 110
Age group 16
Gender/Age 16
Regional
Overall 70
Gender 68
Age group 7
Gender/Age 7
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 17
Score 10
Percent 58.8
Aor 1653.7
Dp 75
Prat 1728.7
Performance ()
Games 73
Score 47.5
Percent 65.1
Aor 1521.3
Dp 128.1
Prat 1649.4
Performance (12 months)
Games 126
Score 77
Percent 61.1
Aor 1504
Dp 94.4
Prat 1598.4
Performance (History)
Games 302
Score 171.5
Percent 56.8
Aor 1411.5
Dp 57.7
Prat 1469.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Webber, CPS (Colin Peter Slade) 3 1 2 Rylib Summer Slam 2024 (Open) Bellville Rapid 2025 (A) Details
Overall 2 Green, L (Lyndon) 3 0 3 Western Cape Closed 2025 (C) Chess Elevation Series 3 2026 (Level 5) Details
Overall 3 Engelbrecht, D (Deoren) 3 1 2 UCT Open Chess Championship 2025 (Advanced) Chess Elevation Series 5 2026 (Level 5) Details
Overall 4 Hagan, B (Bianca) 3 2 1 Cape Town Chess Federation Closed Chess Championships 2024 (U16) Moja Chess Extravaganza 2026 (U18) 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 Hagan, T (Tristin) 3 1 2 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) Steinitz Chess Festival 2026 (Advanced) Details
Standard 3 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
Standard 4 Green, L (Lyndon) 3 0 3 Western Cape Closed 2025 (C) Chess Elevation Series 3 2026 (Level 5) Details
Standard 5 Hagan, B (Bianca) 3 2 1 Cape Town Chess Federation Closed Chess Championships 2024 (U16) Moja Chess Extravaganza 2026 (U18) Details
Rapid 1 Webber, CPS (Colin Peter Slade) 3 1 2 Rylib Summer Slam 2024 (Open) Bellville Rapid 2025 (A) Details
Rapid 2 Raubenheimer, G (Granton) 2 1 1 Cape of Good Hope Open Chess Tournament 2024 (Open) Bellville Rapid 2025 (A) 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 Kotliar, B (Beatrisa) 2 1 1 Chess Challengers Championship – High School 2023 (U15) Westerford Chess Challenger 2024 (U15) Details
Rapid 5 Musakwa, C (Courtney) 2 1 1 Cape of Good Hope Open Chess Tournament 2024 (Open) Rylib Summer Slam 2024 (Open) Details