PLAYER PAGE

Tristan Jonkers

108087782
Cape Town (WCT)
Personal
Main rating
Rating 1615.8
K-factor 28
Floor 1134.9
Highest 1634.9 (2026-01-01)
Min/Max +/- allowed 89
Rating Change
()
Games 9
Score 3.5
We 3.39
SWe 0.11
Temp +/- 3
Penalties 0
Weight perform 1614.9
Final +/- +3
New Rating
()
Rating 1618.8
K-factor 28
Floor 1134.9
Highest 1634.9 (2026-01-01)
Min/Max +/- allowed 89.2
Standard rating
Rating 1615.8
K-factor 28
Floor 1133.7
Highest 1633.7 (2026-01-01)
Min/Max +/- allowed 89.4
Rating Change
()
Games 9
Score 3.5
We 3.41
SWe 0.09
Temp +/- 2.5
Penalties 0
Weight perform 1614.9
Final +/- +2.5
New Rating
()
Rating 1618.3
K-factor 28
Floor 1133.7
Highest 1633.7 (2026-01-01)
Min/Max +/- allowed 89.4
Rapid rating
Rating 1436.3
K-factor 32
Floor 1013.5
Highest 1529.9 (2023-07-01)
Min/Max +/- allowed 103.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1348.2
Final +/- 0
New Rating
()
Rating 1436.3
K-factor 32
Floor 1013.5
Highest 1529.9 (2023-07-01)
Min/Max +/- allowed 103.6
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U18 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1615.8 9 3.5 1623 3 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Steinitz Chess Festival 2026 (Advanced) Standard 2026-03-20 2026-03-22 Cape Town (WCT) 6 1579 6 5 1717.6 26 Details
2 CT Metro Schools Individual Closed 2026 (U18 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1579 6 4 1547.8 -5 Details
3 CT Metro North Schools Chess Individual Trials 2026 (u19 bOYS) Standard 2026-02-14 2026-02-15 Cape Town 6 1579 6 4 1642.5 12.5 Details
4 COGH 2026 (Advanced) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1580 6 3.5 1570.8 -1 Details
5 Helderberg Chess Club Open 2026 (A) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1634.8 5 2.5 1590 -5 Details
6 Chess Elevation Series 1 2026 (Level 4) Standard 2026-01-08 2026-01-09 Cape Town (WCT) 6 1634.8 6 1.5 1356.4 -34.1 Details
7 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1627.2 6 3 1531.4 -13.4 Details
8 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1627.2 4 3 1582.9 -3.3 Details
9 Kraaifontein Open 2025 (Advanced) Standard 2025-12-06 2025-12-07 Cape Town (WCT) 6 1627.2 6 4 1623.1 -0.3 Details
10 A & A Invitational Chess Tournament 2025 (U16+U18) Standard 2025-11-29 2025-11-29 Cape Town (WCT) 5 1627.2 5 4 1848.5 22.4 Details
11 Cape Town Chess Federation Club League 2025 (B) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1522.9 7 5.5 1752.9 40.4 Details
12 Cape Town Chess Federation Club League 2025 (C) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1522.9 2 1 1590.2 4.8 Details
13 UCT Open Chess Championship 2025 (Advanced) Standard 2025-10-10 2025-10-12 Cape Town (WCT) 6 1522.9 6 4 1717 25.8 Details
14 Royal Rapid Challenge 2025 (A) Rapid 2025-10-04 2025-10-04 Cape Town (WCT) 7 1522.9 7 3 1521.1 0.3 Details
15 Curro Chess Open Rapid 2025 (U19) Rapid 2025-08-23 2025-08-23 Cape Town (WCT) 6 1530.5 5 4 1609.6 5.6 Details
16 Kraaifontein Schools Rapid Chess Tournament 2025 (Advaned Boys) Rapid 2025-08-09 2025-08-09 Cape Town (WCT) 5 1530.5 4 1 1238.8 -10.6 Details
17 Cape Winelands Open 2025 (Advanced) Standard 2025-07-19 2025-07-20 Cape Winelands (WCW) 6 1572.3 6 2.5 1358.8 -26.2 Details
18 Cape Town Chess Junior League 2025 (U18) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1515.9 3 3 1899 21.7 Details
19 South African Junior Closed Chess Championships 2025 (U18 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1515.7 9 3.5 1489.1 -5 Details
20 Western Cape Closed 2025 (B) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1571.6 6 4 1618.6 6.4 Details
21 CT Metro Schools Individual Closed 2025 (U17 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1571.6 6 2.5 1210 -43.2 Details
22 Cape of Good Hope Open 2025 (Advanced) Standard 2025-02-22 2025-02-23 Cape Town (WCT) 6 1559.6 6 3 1490.9 -8 Details
23 CT Metro North Schools Chess Individual Trials 2025 (U17 Open) Standard 2025-02-08 2025-02-09 Cape Town (WCT) 6 1559.6 6 4.5 1666.7 12.6 Details
24 Marie Delport Memorial 2025 (Open) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1526.8 6 4 1587.7 7.7 Details
25 2025 Kraaifontein Open Chess Championships (Advanced) Standard 2025-01-04 2025-01-05 Cape Town (WCT) 6 1526.8 6 4 1630.6 12.9 Details
26 Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1486.5 7 4.5 1646.2 25.4 Details
27 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1536.1 10 5.5 1411.3 -31 Details
28 Curro Durbanville Chess Rapid Open 2024 (Championship) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1519 6 2 1437.4 -7.3 Details
29 Chess Elevation Series - July 2024 (Level 4) Standard 2024-07-05 2024-07-06 Cape Town (WCT) 5 1519 5 3.5 1702.6 18.2 Details
30 Cape Town Chess Federation Closed Chess Championships 2024 (U18) Standard 2024-06-15 2024-06-16 Cape Town (WCT) 6 1480.6 6 4.5 1687.7 24.1 Details
31 Curro Hermanus Freedom Day Rapid 2024 (U19) Rapid 2024-04-27 2024-04-27 Overberg (WOS) 5 1486.2 5 4 1507.7 1.2 Details
32 Kraaifontein Schools Rapid 2024 (Advanced Boys) Rapid 2024-04-13 2024-04-13 Cape Town (WCT) 5 1486.2 5 3 1369.5 -4.9 Details
33 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1486.2 7 4 1496 1.3 Details
34 Cape Town Junior League Qualifier 2024 (U18 Open) Rapid 2024-04-06 2024-04-06 Cape Town (WCT) 6 1486.2 4 2 1448.1 -1.1 Details
35 Western Cape HS Individuals Championship 2024 (U18 Boys) Standard 2024-03-21 2024-03-22 Overberg (WOS) 6 1492.1 6 3.5 1496.5 0.7 Details
36 Cape Town Open Chess Championship 2024 (Advanced) Standard 2024-03-15 2024-03-17 Cape Town (WCT) 6 1492.1 6 3 1444.7 -6 Details
37 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1492.1 6 4 1505.7 1.7 Details
38 North District School Trials 2024 (U18 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1519.2 5 4 1639.6 8.8 Details
39 Cape of Good Hope Open Chess Tournament 2024 (Advanced) Standard 2024-02-17 2024-02-17 Cape Town (WCT) 6 1519.2 6 2 1307.6 -26 Details
40 Kraaifontein Open 2023 (Adanced) Standard 2023-12-09 2023-12-10 Cape Town (WCT) 6 1498.9 6 3.5 1605 13.1 Details
41 WP Club League 2023 (C) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1554.9 5 1.5 1312.4 -29.2 Details
42 Western Cape Closed Championship 2023 (U16) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1554.9 6 4 1491.2 -4.7 Details
43 Cape Town Junior Chess League Finals 2023 (U16A) Rapid 2023-09-16 2023-09-16 Cape Town (WCT) 7 1554.9 6 5 1550.3 -1 Details
44 Curro Durbanville Chess Open Rapid 2023 (Intermediate) Rapid 2023-07-15 2023-07-15 Cape Town (WCT) 6 1541.5 6 4.5 1606.4 6.2 Details
45 Cape Town Junior Chess League - Round 1 2023 (U16A) Rapid 2023-07-22 2023-07-22 Cape Town (WCT) 7 1541.5 6 5 1578.3 2.1 Details
46 WP Closed 2023 (U16) Standard 2023-06-16 2023-06-17 Cape Town (WCT) 6 1493.3 6 5 1704.9 26.2 Details
47 Cape Town Junior League 2nd Qualifier 2023 (U16) Rapid 2023-06-03 2023-06-03 Cape Town (WCT) 6 1493.3 6 5 1543.3 4 Details
48 Western Cape HS Individuals 2023 (U15 Boys) Standard 2023-04-01 2023-04-02 Cape Town (WCT) 6 1464.6 6 4.5 1618.1 18.1 Details
49 Cape Town Open 2023 (Rapid) Rapid 2023-03-26 2023-03-26 Cape Town (WCT) 6 1421.1 6 4 1511.4 7 Details
50 Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys) Standard 2023-02-03 2023-03-04 Cape Town (WCT) 6 1421.1 6 5 1591.7 20.1 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 44
Wins 21
Draws 6
Losses 17
White 21
Black 23
White wins 9
Black wins 12
Score 24
Percent 54.5
Dp 38.6
AOR 1542.4
Performance 1581.1
Game statistics (History)
Games 646
Wins 343
Draws 67
Losses 236
White 321
Black 327
White wins 163
Black wins 181
Score 376.5
Percent 58.3
Dp 70.4
AOR 1342
Performance 1412.4
Rankings (Main)
National
Overall 915
Gender 842
Age group 100
Gender/Age 91
Provincial
Overall 278
Gender 254
Age group 22
Gender/Age 21
Regional
Overall 186
Gender 174
Age group 16
Gender/Age 15
Rankings (Standard)
National
Overall 845
Gender 777
Age group 91
Gender/Age 82
Provincial
Overall 246
Gender 224
Age group 16
Gender/Age 15
Regional
Overall 168
Gender 157
Age group 14
Gender/Age 13
Rankings (Rapid)
National
Overall 591
Gender 533
Age group 41
Gender/Age 37
Provincial
Overall 293
Gender 256
Age group 23
Gender/Age 21
Regional
Overall 151
Gender 141
Age group 13
Gender/Age 12
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 9
Score 3.5
Percent 38.9
Aor 1717.4
Dp -94.4
Prat 1623
Performance ()
Games 44
Score 24
Percent 54.5
Aor 1542.4
Dp 38.6
Prat 1581.1
Performance (12 months)
Games 105
Score 62
Percent 59
Aor 1516.6
Dp 76.9
Prat 1593.6
Performance (History)
Games 646
Score 376.5
Percent 58.3
Aor 1342
Dp 70.4
Prat 1412.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Priestley, L (Logan) 8 5 3 Kraaifontein Open 2022 (U14) Curro Chess Open Rapid 2025 (U19) Details
Overall 2 Somai, R (Ruhan) 8 3 5 Northern Chess Cadet Series 2020 (A) CT Metro North Schools Chess Individual Trials 2026 (u19 bOYS) Details
Overall 3 Blauw, S (Siyamthanda) 7 3 4 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) Kraaifontein Schools Rapid Chess Tournament 2025 (Advaned Boys) Details
Overall 4 Rosenberg, W (Wagheed) 7 3 4 Northern Chess Cadet Series 2020 (A) Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) Details
Overall 5 Nieuwoudt, H (Hein) 6 4 2 Stellenberg Chess Championship 2022 (Young Masters) Western Cape Closed Championship 2023 (U16) Details
Standard 1 Rosenberg, W (Wagheed) 6 3 3 Northern Chess Cadet Series 2020 (A) Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) Details
Standard 2 Somai, R (Ruhan) 6 3 3 Northern Chess Cadet Series 2020 (A) CT Metro North Schools Chess Individual Trials 2026 (u19 bOYS) Details
Standard 3 Henning, C (Chris) 5 2 3 CWP Closed 2021 (Open) CT Metro North Schools Chess Individual Trials 2026 (u19 bOYS) Details
Standard 4 Priestley, L (Logan) 4 4 0 Kraaifontein Open 2022 (U14) CT Metro North Schools Chess Individual Trials 2025 (U17 Open) Details
Standard 5 Mcmanus, D (Dale) 4 2 2 Western Province Open 2022 (Intermediate) Helderberg Chess Club Open 2026 (A) Details
Rapid 1 Blauw, S (Siyamthanda) 5 1 4 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) Kraaifontein Schools Rapid Chess Tournament 2025 (Advaned Boys) Details
Rapid 2 Priestley, L (Logan) 4 1 3 Stellenberg Chess Championship 2022 (Young Masters) Curro Chess Open Rapid 2025 (U19) Details
Rapid 3 Macheka, C (Clayton) 3 1 2 CTCA Rapid Masters 2022 (Open) Royal Rapid Challenge 2025 (A) Details
Rapid 4 Nieuwoudt, H (Hein) 3 2 1 Stellenberg Chess Championship 2022 (Young Masters) Western Cape Closed Championship 2023 (U16) Details
Rapid 5 Snyman, MM (Mila Marie) 2 0 2 Curro Durbanville Chess Open Rapid 2023 (Intermediate) Curro Durbanville Chess Rapid Open 2024 (Championship) Details