PLAYER PAGE

Personal

Dubbeld, B (Benjamin)

Chess SA id

1090157940

FIDE id

?

Date of birth

2009-05-16 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

109.2

Junior GPX Points

1330.9

Item Main Standard Rapid Blitz
Rating 1511.5 1554.2 1364.8 1200
Raw rating 1511.5 1554.2 1337.4 1200
Weighted rating 1407 1408.9 1364.8 1200
Weighted performance 1389.6 1522.4 1253.3 0
Floor 1027.5 1054.2 927.8 700
K-factor 32 32 32 36
Min/Max rating change allowed 106.4 100.1 136.3 165.8
Highest rating 1527.5
2025-11-01
1554.2
2025-11-01
1427.8
2025-05-05
1200
2018-10-01
Highest raw rating 1527.5
2025-11-01
1554.2
2025-11-01
1427.8
2025-05-05
1200
2024-02-01
Highest weighted rating 1407
2025-11-30
1392.5
2025-11-01
1427.8
2025-07-01
1200
2018-10-01
Highest weighted performance 1488
2025-07-01
1538.4
2025-11-01
1417.5
2024-05-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 2.9 -40.6 5.6 0
New rating 1514.5 1513.6 1370.4 1200
Analysis
Rating 1511.5 1554.2 1364.8 1200
Raw rating 1511.5 1554.2 1337.4 1200
Weighted rating 1407 1408.9 1364.8
Weighted performance 1389.6 1522.4 1253.3
K-factor 32 32 32 36
Floor 1027.5 1054.2 927.8 700
Max/Min rating change allowed 106.4 100.1 136.3 165.8
Games 21 15 6 0
Score 11.5 7.5 4 0
Expected score 11.41 8.77 2.97 0
Score-Expected 0.09 -1.27 1.03 0
Temp raw +/- 2.9 -40.6 33 0
Final raw +/- 2.9 -40.6 33 0
New raw rating 1514.5 1513.6 1370.4 1200
New weighted rating 1418.4 1421.1 1366.7 1200
New weighted performance 1485.2 1512.1 1344.8 0
Temp new rating 1514.5 1513.6 1370.4 1200
Temp new rating +/- 2.9 -40.6 5.6 0
Final new rating +/- 2.9 -40.6 5.6 0
New rating 1514.5 1513.6 1370.4 1200
New K-factor 32 32 32 36
New floor 1027.5 1054.2 927.8 700

Item Main Standard Rapid Blitz
0 0 0 0
101 62 39 0
77 42 35 0
24 5 19 0
0 0 0 0
0 0 0 0
History 202 109 93 0

Games since
Main
184
Standard
104
Rapid
80
Blitz
0
Gender Male
Age group U18
Region Cape Town (WCT)
Province Western Cape (WC)
Main
RSA Province Region
Overall 1184 368 207
Male 1019 313 175
U18 188 55 27
U18 Male 166 48 22
Standard
RSA Province Region
Overall 838 226 144
Male 737 196 127
U18 125 33 20
U18 Male 112 29 17
Rapid
RSA Province Region
Overall 697 362 164
Male 583 304 150
U18 85 47 19
U18 Male 75 42 19
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 101 52.5 51.98 16.8 1428.6 1445.4
Standard 62 37 59.68 82.3 1393.3 1475.6
Rapid 39 15.5 39.74 -87.2 1484.6 1397.5
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 202 108.5 53.71 31.6 1363.6 1395.2
Standard 109 61.5 56.42 54.6 1359 1413.6
Rapid 93 47 50.54 4.6 1369 1373.6
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-30 1511.5 1554.2 1337.4 1200
2025-11-01 1527.5 1554.2 1336.4 1200
2025-09-30 1439.3 1491.2 1356.9 1200
2025-09-01 1439.3 1491.2 1356.9 1200
2025-08-01 1439.3 1491.2 1356.9 1200
2025-07-01 1488 1491.2 1427.8 1200
2025-06-01 1424 1407.6 1427.8 1200
2025-05-01 1424 1407.6 1427.8 1200
2025-04-01 1404.9 1393.1 1418.5 1200
2025-03-01 1384 1332.1 1418.5 1200
2025-02-01 1405 1334.8 1418.5 1200
2025-01-01 1318.9 1283.7 1358 1200
2024-12-01 1276.8 1267.1 1321.6 1200
2024-11-01 1276.8 1267.1 1321.6 1200
2024-10-01 1289.7 1298.4 1312.2 1200
2024-09-01 1317.3 1302.9 1312.2 1200
2024-08-01 1316 1302.9 1306.4 1200
2024-10-01 1339.5 1302.9 1341 1200
2024-06-01 1337.9 1293.5 1341 1200
2024-05-01 1325.2 1293.5 1291 1200
2024-04-01 1325.2 1293.5 1291 1200
2024-03-01 1325.1 1283.8 1291 1200
2024-02-01 1301.6 1262.6 1273.4 1200
2024-01-01 1301.6 1262.6 1273.4 1200

Comming soon.

Tournaments

# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U18 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U18 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 5 2.5 Yes Analysis
3 Kraaifontein Open 2025 (Rapid Open) 2025-12-07 2025-12-07 Rapid Cape Town (WCT) 6 6 4 Yes Analysis
4 A & A Invitational Chess Tournament 2025 (U16+U18) 2025-11-29 2025-11-29 Standard Cape Town (WCT) 5 4 2 Yes Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U18 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U18 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 5 2.5 Yes Analysis
3 Kraaifontein Open 2025 (Rapid Open) 2025-12-07 2025-12-07 Rapid Cape Town (WCT) 6 6 4 Yes Analysis
4 A & A Invitational Chess Tournament 2025 (U16+U18) 2025-11-29 2025-11-29 Standard Cape Town (WCT) 5 4 2 Yes Analysis
5 Spring Slam 2025 (Intermediate) 2025-11-02 2025-11-02 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
6 Cape Town Chess Federation Club League 2025 (C) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 7 4.5 Yes Analysis
7 Cape Town Chess Federation Club League 2025 (D) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 0 0 No Analysis
8 UCT Open Chess Championship 2025 (Advanced) 2025-10-10 2025-10-12 Standard Cape Town (WCT) 6 6 4.5 Yes Analysis
9 Royal Rapid Challenge 2025 (A) 2025-10-04 2025-10-04 Rapid Cape Town (WCT) 7 7 2 Yes Analysis
10 4th Curro Durbanville Rapid Open 2025 (Advanced) 2025-07-19 2025-07-19 Rapid Cape Town (WCT) 7 7 2 Yes Analysis
11 Bellville Rapid 2025 (A) 2025-06-07 2025-06-07 Rapid Cape Town (WCT) 6 6 1 Yes Analysis
12 Cape Town Chess Junior League 2025 (U16) 2025-05-10 2025-05-31 Standard Cape Town (WCT) 5 4 4 Yes Analysis
13 Western Cape Schools Individual Championship 2025 (U17 Boys) 2025-04-26 2025-04-27 Standard West Coast (WCU) 6 6 2.5 Yes Analysis
14 Hermanus Chess Club Open 2025 (Intermediate) 2025-04-12 2025-04-12 Rapid Overberg (WOS) 7 7 4.5 Yes Analysis
15 Cape Town Open Chess Festival 2025 (C) 2025-03-22 2025-03-23 Standard Cape Town (WCT) 6 6 4 Yes Analysis
16 Western Cape Closed 2025 (C) 2025-03-08 2025-03-09 Standard Cape Town (WCT) 6 6 4 Yes Analysis
17 CT Metro Schools Individual Closed 2025 (U17 Open) 2025-03-01 2025-03-02 Standard Cape Town (WCT) 6 6 3.5 Yes Analysis
18 Cape of Good Hope Open 2025 (Advanced) 2025-02-22 2025-02-23 Standard Cape Town (WCT) 6 6 2 Yes Analysis
19 2025 District Central Schools Chess Individual Trials (U18 Open) 2025-01-31 2025-02-01 Standard Cape Town (WCT) 6 6 4 Yes Analysis
20 Cape Town Masters Challenge 2025 (Advanced) 2025-01-06 2025-01-11 Standard Cape Town (WCT) 9 9 4 Yes Analysis
21 2025 Kraaifontein Open Chess Championships (Rapid Open) 2025-01-05 2025-01-05 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Individual Championships (U18 Open) 2025-12-17 2025-12-20 Standard Nelson Mandela Bay (ENM) 6 6 3 Yes Analysis
2 2025 Mzansi Inter Provincial Team Championships (U18 Open) 2025-12-15 2025-12-17 Standard Nelson Mandela Bay (ENM) 6 5 2.5 Yes Analysis
3 Kraaifontein Open 2025 (Rapid Open) 2025-12-07 2025-12-07 Rapid Cape Town (WCT) 6 6 4 Yes Analysis
4 A & A Invitational Chess Tournament 2025 (U16+U18) 2025-11-29 2025-11-29 Standard Cape Town (WCT) 5 4 2 Yes Analysis
5 Spring Slam 2025 (Intermediate) 2025-11-02 2025-11-02 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
6 Cape Town Chess Federation Club League 2025 (C) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 7 4.5 Yes Analysis
7 Cape Town Chess Federation Club League 2025 (D) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 0 0 No Analysis
8 UCT Open Chess Championship 2025 (Advanced) 2025-10-10 2025-10-12 Standard Cape Town (WCT) 6 6 4.5 Yes Analysis
9 Royal Rapid Challenge 2025 (A) 2025-10-04 2025-10-04 Rapid Cape Town (WCT) 7 7 2 Yes Analysis
10 4th Curro Durbanville Rapid Open 2025 (Advanced) 2025-07-19 2025-07-19 Rapid Cape Town (WCT) 7 7 2 Yes Analysis
11 Bellville Rapid 2025 (A) 2025-06-07 2025-06-07 Rapid Cape Town (WCT) 6 6 1 Yes Analysis
12 Cape Town Chess Junior League 2025 (U16) 2025-05-10 2025-05-31 Standard Cape Town (WCT) 5 4 4 Yes Analysis
13 Western Cape Schools Individual Championship 2025 (U17 Boys) 2025-04-26 2025-04-27 Standard West Coast (WCU) 6 6 2.5 Yes Analysis
14 Hermanus Chess Club Open 2025 (Intermediate) 2025-04-12 2025-04-12 Rapid Overberg (WOS) 7 7 4.5 Yes Analysis
15 Cape Town Open Chess Festival 2025 (C) 2025-03-22 2025-03-23 Standard Cape Town (WCT) 6 6 4 Yes Analysis
16 Western Cape Closed 2025 (C) 2025-03-08 2025-03-09 Standard Cape Town (WCT) 6 6 4 Yes Analysis
17 CT Metro Schools Individual Closed 2025 (U17 Open) 2025-03-01 2025-03-02 Standard Cape Town (WCT) 6 6 3.5 Yes Analysis
18 Cape of Good Hope Open 2025 (Advanced) 2025-02-22 2025-02-23 Standard Cape Town (WCT) 6 6 2 Yes Analysis
19 2025 District Central Schools Chess Individual Trials (U18 Open) 2025-01-31 2025-02-01 Standard Cape Town (WCT) 6 6 4 Yes Analysis
20 Cape Town Masters Challenge 2025 (Advanced) 2025-01-06 2025-01-11 Standard Cape Town (WCT) 9 9 4 Yes Analysis
21 2025 Kraaifontein Open Chess Championships (Rapid Open) 2025-01-05 2025-01-05 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
22 2nd Strategize To Win Round-Robin Tournament ACL 2024 (G) 2024-12-07 2024-12-07 Standard Cape Town (WCT) 5 4 2.5 Yes Analysis
23 Rylib Summer Slam 2024 (Open) 2024-12-03 2024-12-03 Rapid Cape Town (WCT) 6 6 4.5 Yes Analysis
24 UCT Open Chess Championship 2024 (Intermediate) 2024-10-12 2024-10-13 Standard Cape Town (WCT) 6 6 2.5 Yes Analysis
25 Spring Slam 2024 (B) 2024-10-05 2024-10-05 Rapid Cape Town (WCT) 6 6 4 Yes Analysis
26 CT League 2024 (C) 2024-07-20 2024-09-07 Standard Cape Town (WCT) 11 6 1 Yes Analysis
27 CT League 2024 (D) 2024-08-03 2024-08-03 Standard Cape Town (WCT) 6 3 3 Yes Analysis
28 Westerford Chess Challenger 2024 (U15) 2024-07-25 2024-07-25 Rapid Cape Town (WCT) 6 5 2.5 Yes Analysis
29 Curro Durbanville Chess Rapid Open 2024 (Intermediate) 2024-07-13 2024-07-13 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
30 Cape Town Chess Federation Closed Chess Championships 2024 (U16) 2024-06-15 2024-06-16 Standard Cape Town (WCT) 6 6 3 Yes Analysis
31 Steinitz Chess Festival 2024 (Open Rapid) 2024-05-11 2024-05-11 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
32 Cape Town Open Chess Championship 2024 (Intermediate) 2024-03-16 2024-03-17 Standard Cape Town (WCT) 6 6 3 Yes Analysis
33 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024-03-02 2024-03-03 Standard Cape Town (WCT) 6 6 2.5 Yes Analysis
34 CT Metro Central District Schools Chess Individuals Trials 2024 (U15 Boys) 2024-02-03 2024-02-03 Standard Cape Town (WCT) 5 5 3 Yes Analysis
35 Cape of Good Hope Open Chess Tournament 2024 (Open) 2024-02-18 2024-02-18 Rapid Cape Town (WCT) 6 6 3.5 Yes Analysis
36 Rylib Summer Slam 2023 (Development) 2023-12-12 2023-12-12 Rapid Cape Town (WCT) 6 6 5 Yes Analysis
37 Chess Elevation Series 2023 (Level 1A) 2023-11-03 2023-11-04 Standard Cape Town (WCT) 5 5 4 Yes Analysis
38 Chess Challengers Championship – High School 2023 (U15) 2023-10-14 2023-10-14 Rapid Cape Town (WCT) 6 6 3 Yes Analysis
39 GPCA Rapid 2023 (Advanced) 2023-06-24 2023-06-24 Rapid Cape Town (WCT) 7 7 3 Yes Analysis

Top 3 Streaks

# Games Start End
1 5 Tournament
UCT Open Chess Championship 2025
Tournament
UCT Open Chess Championship 2025
date
2025-10-11
rnd
2
type
Standard
result
1
date
2025-10-12
rnd
6
type
Standard
result
1
Opponent
Vengeni, A (Asanda)
Opponent
Baron, D (Dylan)
2 5 Tournament
Rylib Summer Slam 2024
Tournament
Rylib Summer Slam 2024
date
2024-12-03
rnd
1
type
Rapid
result
1
date
2024-12-03
rnd
5
type
Rapid
result
1
Opponent
Smit, M (Mario)
Opponent
Webber, CPS (Colin)
3 5 Tournament
Cape Town Metro Schools Chess Closed Individuals 2024
Tournament
Cape Town Open Chess Championship 2024
date
2024-03-03
rnd
6
type
Standard
result
0.5
date
2024-03-16
rnd
4
type
Standard
result
1
Opponent
Oliphant, E (Ehan)
Opponent
Cockin, R (Ruan)
# Games Start End
1 5 Tournament
Cape Town Metro Schools Chess Closed Individuals 2024
Tournament
Cape Town Open Chess Championship 2024
date
2024-03-03
rnd
6
type
Standard
result
0.5
date
2024-03-16
rnd
4
type
Standard
result
1
Opponent
Oliphant, E (Ehan)
Opponent
Cockin, R (Ruan)
2 4 Tournament
Cape Town Chess Junior League 2025
Tournament
Cape Town Chess Junior League 2025
date
2025-05-10
rnd
1
type
Standard
result
1
date
2025-05-31
rnd
5
type
Standard
result
1
Opponent
Rubusana, N (Nina)
Opponent
Sinclair, D (Dino)
3 4 Tournament
Western Cape Closed 2025
Tournament
Cape Town Open Chess Festival 2025
date
2025-03-09
rnd
5
type
Standard
result
1
date
2025-03-22
rnd
2
type
Standard
result
1
Opponent
Mtati, W (Wazo)
Opponent
Mangali, O (Ongama)
# Games Start End
1 5 Tournament
Rylib Summer Slam 2024
Tournament
Rylib Summer Slam 2024
date
2024-12-03
rnd
1
type
Rapid
result
1
date
2024-12-03
rnd
5
type
Rapid
result
1
Opponent
Smit, M (Mario)
Opponent
Webber, CPS (Colin)
2 4 Tournament
Hermanus Chess Club Open 2025
Tournament
Hermanus Chess Club Open 2025
date
2025-04-12
rnd
4
type
Rapid
result
1
date
2025-04-12
rnd
7
type
Rapid
result
1
Opponent
Jara, I (Iviwe)
Opponent
Butau, G (George)
3 4 Tournament
Chess Challengers Championship – High School 2023
Tournament
Rylib Summer Slam 2023
date
2023-10-14
rnd
6
type
Rapid
result
1
date
2023-12-12
rnd
3
type
Rapid
result
1
Opponent
Koegelenberg, U (Ulrich)
Opponent
Temoore, A (Ameer)
No games found.
# Games Start End
# Games Start End
1 5 Tournament
Chess Elevation Series 2023
Tournament
Rylib Summer Slam 2023
date
2023-11-04
rnd
4
type
Standard
result
1
date
2023-12-12
rnd
3
type
Rapid
result
1
Opponent
Calitz, Z (Zandre)
Opponent
Temoore, A (Ameer)
2 4 Tournament
Cape Town Chess Junior League 2025
Tournament
Cape Town Chess Junior League 2025
date
2025-05-10
rnd
1
type
Standard
result
1
date
2025-05-31
rnd
5
type
Standard
result
1
Opponent
Rubusana, N (Nina)
Opponent
Sinclair, D (Dino)
3 4 Tournament
Hermanus Chess Club Open 2025
Tournament
Hermanus Chess Club Open 2025
date
2025-04-12
rnd
4
type
Rapid
result
1
date
2025-04-12
rnd
7
type
Rapid
result
1
Opponent
Jara, I (Iviwe)
Opponent
Butau, G (George)
# Games Start End
1 4 Tournament
Cape Town Chess Junior League 2025
Tournament
Cape Town Chess Junior League 2025
date
2025-05-10
rnd
1
type
Standard
result
1
date
2025-05-31
rnd
5
type
Standard
result
1
Opponent
Rubusana, N (Nina)
Opponent
Sinclair, D (Dino)
2 4 Tournament
Western Cape Closed 2025
Tournament
Cape Town Open Chess Festival 2025
date
2025-03-09
rnd
5
type
Standard
result
1
date
2025-03-22
rnd
2
type
Standard
result
1
Opponent
Mtati, W (Wazo)
Opponent
Mangali, O (Ongama)
3 4 Tournament
CT Metro Schools Individual Closed 2025
Tournament
Western Cape Closed 2025
date
2025-03-02
rnd
5
type
Standard
result
1
date
2025-03-08
rnd
2
type
Standard
result
1
Opponent
Mkabile, O (Olwethu)
Opponent
Green, L (Lyndon)
# Games Start End
1 4 Tournament
Hermanus Chess Club Open 2025
Tournament
Hermanus Chess Club Open 2025
date
2025-04-12
rnd
4
type
Rapid
result
1
date
2025-04-12
rnd
7
type
Rapid
result
1
Opponent
Jara, I (Iviwe)
Opponent
Butau, G (George)
2 4 Tournament
Chess Challengers Championship – High School 2023
Tournament
Rylib Summer Slam 2023
date
2023-10-14
rnd
6
type
Rapid
result
1
date
2023-12-12
rnd
3
type
Rapid
result
1
Opponent
Koegelenberg, U (Ulrich)
Opponent
Temoore, A (Ameer)
3 3 Tournament
Rylib Summer Slam 2023
Tournament
Cape of Good Hope Open Chess Tournament 2024
date
2023-12-12
rnd
5
type
Rapid
result
1
date
2024-02-18
rnd
1
type
Rapid
result
1
Opponent
Mtintsilana, A (Athabile)
Opponent
Zotwana, A (Asimanye)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Webber ,CPS (Colin Peter Slade) 3 2 141.7 0 0 0 3 2 141.7 0 0 0
1340.7 1482.3 0 0 1372.4 1482.3 0 0
2 Kieser ,M (Michael) 2 1.5 212.5 2 1.5 212.5 0 0 0 0 0 0
1222.3 1434.8 1205.8 1434.8 0 0 0 0
3 Hagan ,T (Tristin) 2 2 425 2 2 425 0 0 0 0 0 0
1284.1 1709.1 1247.3 1709.1 0 0 0 0
4 Green ,L (Lyndon) 2 1 0 2 1 0 0 0 0 0 0 0
1320.9 1320.9 1322.7 1320.9 0 0 0 0
5 Snyman ,MM (Mila Marie) 2 1 0 2 1 0 0 0 0 0 0 0
1631.2 1631.2 1630.6 1631.2 0 0 0 0
6 Mangali ,O (Ongama) 2 1 0 2 1 0 0 0 0 0 0 0
1224.4 1224.4 1246.3 1224.4 0 0 0 0
7 Cockin ,R (Ruan) 2 1 0 2 1 0 0 0 0 0 0 0
1485.9 1485.9 1467.7 1485.9 0 0 0 0
8 Pugh ,J (Jacob) 2 1 0 1 1 425 1 0 -425 0 0 0
1241.6 1241.6 1181.2 1666.6 1318.8 816.6 0 0
9 Preston ,W (Waylon) 2 0 -425 1 0 -425 1 0 -425 0 0 0
1391.4 966.4 1320.3 966.4 1445.6 966.4 0 0
10 Hector ,K (Kida) 2 1.5 212.5 1 1 425 1 0.5 0 0 0 0
1253.6 1466.1 1248.6 1678.6 1201.7 1253.6 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa