PLAYER PAGE

Tristan Jonkers

108087782
Cape Town (WCT)
Personal
Main rating
Rating 1579
K-factor 28
Floor 1134.9
Highest 1634.9 (2026-01-01)
Min/Max +/- allowed 89
Rating Change
()
Games 6
Score 4
We 3.46
SWe 0.45
Temp +/- 12.5
Penalties 0
Weight perform 1551.6
Final +/- 12.5
New Rating
()
Rating 1591.5
K-factor 28
Floor 1134.9
Highest 1634.9 (2026-01-01)
Min/Max +/- allowed 89.2
Standard rating
Rating 1555.5
K-factor 28
Floor 1133.7
Highest 1633.7 (2026-01-01)
Min/Max +/- allowed 89.4
Rating Change
()
Games 6
Score 4
We 3.35
SWe 0.65
Temp +/- 18.1
Penalties 0
Weight perform 1551.6
Final +/- 18.1
New Rating
()
Rating 1573.7
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 1367.6
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 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 COGH 2026 (Advanced) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1580 6 3.5 1570.8 0 Details
2 Helderberg Chess Club Open 2026 (A) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1634.8 5 2.5 1590 0 Details
3 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 0 Details
4 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1627.2 6 3 1531.4 0 Details
5 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 0 Details
6 Kraaifontein Open 2025 (Advanced) Standard 2025-12-06 2025-12-07 Cape Town (WCT) 6 1627.2 6 4 1623.1 0 Details
7 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 0 Details
8 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 0 Details
9 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 0 Details
10 UCT Open Chess Championship 2025 (Advanced) Standard 2025-10-10 2025-10-12 Cape Town (WCT) 6 1522.9 6 4 1717 0 Details
11 Royal Rapid Challenge 2025 (A) Rapid 2025-10-04 2025-10-04 Cape Town (WCT) 7 1522.9 7 3 1521.1 0 Details
12 Curro Chess Open Rapid 2025 (U19) Rapid 2025-08-23 2025-08-23 Cape Town (WCT) 6 1530.5 5 4 1609.6 0 Details
13 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 0 Details
14 Cape Winelands Open 2025 (Advanced) Standard 2025-07-19 2025-07-20 Cape Winelands (WCW) 6 1572.3 6 2.5 1358.8 0 Details
15 Cape Town Chess Junior League 2025 (U18) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1515.9 3 3 1899 0 Details
16 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 0 Details
17 Western Cape Closed 2025 (B) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1571.6 6 4 1618.6 0 Details
18 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 0 Details
19 Cape of Good Hope Open 2025 (Advanced) Standard 2025-02-22 2025-02-23 Cape Town (WCT) 6 1559.6 6 3 1490.9 0 Details
20 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 0 Details
21 Marie Delport Memorial 2025 (Open) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1526.8 6 4 1587.7 0 Details
22 2025 Kraaifontein Open Chess Championships (Advanced) Standard 2025-01-04 2025-01-05 Cape Town (WCT) 6 1526.8 6 4 1630.6 0 Details
23 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 0 Details
24 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1536.1 10 5.5 1411.3 0 Details
25 Curro Durbanville Chess Rapid Open 2024 (Championship) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1519 6 2 1437.4 0 Details
26 Chess Elevation Series - July 2024 (Level 4) Standard 2024-07-05 2024-07-06 Cape Town (WCT) 5 1519 5 3.5 1702.6 0 Details
27 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 0 Details
28 Curro Hermanus Freedom Day Rapid 2024 (U19) Rapid 2024-04-27 2024-04-27 Overberg (WOS) 5 1486.2 5 4 1507.7 0 Details
29 Kraaifontein Schools Rapid 2024 (Advanced Boys) Rapid 2024-04-13 2024-04-13 Cape Town (WCT) 5 1486.2 5 3 1369.5 0 Details
30 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1486.2 7 4 1496 0 Details
31 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 0 Details
32 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 Details
33 Cape Town Open Chess Championship 2024 (Advanced) Standard 2024-03-15 2024-03-17 Cape Town (WCT) 6 1492.1 6 3 1444.7 0 Details
34 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 0 Details
35 North District School Trials 2024 (U18 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1519.2 5 4 1639.6 0 Details
36 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 0 Details
37 Kraaifontein Open 2023 (Adanced) Standard 2023-12-09 2023-12-10 Cape Town (WCT) 6 1498.9 6 3.5 1605 0 Details
38 WP Club League 2023 (C) Classical 2023-07-29 2023-09-09 Cape Town (WCT) 11 1554.9 5 1.5 1312.4 0 Details
39 Western Cape Closed Championship 2023 (U16) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1554.9 6 4 1491.2 0 Details
40 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 0 Details
41 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 0 Details
42 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 0 Details
43 WP Closed 2023 (U16) Standard 2023-06-16 2023-06-17 Cape Town (WCT) 6 1493.3 6 5 1704.9 0 Details
44 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 0 Details
45 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 0 Details
46 Cape Town Open 2023 (Rapid) Rapid 2023-03-26 2023-03-26 Cape Town (WCT) 6 1421.1 6 4 1511.4 0 Details
47 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 0 Details
48 North District School Trials 2023 (U15 Boys) Standard 2023-02-03 2023-02-04 Cape Town (WCT) 6 1429.3 6 4 1385 0 Details
49 Cape of Good Hope Open 2023 (Intermediate) Standard 2023-01-28 2023-01-29 Cape Town (WCT) 6 1445.4 6 4 1360.8 0 Details
50 Summer Slam 2022 (B) Rapid 2022-12-13 2022-12-13 Cape Town (WCT) 6 1392.6 6 3.5 1396.9 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 23
Wins 10
Draws 3
Losses 10
White 11
Black 12
White wins 3
Black wins 7
Score 11.5
Percent 50
Dp 0
AOR 1537.8
Performance 1537.8
Game statistics (History)
Games 625
Wins 332
Draws 64
Losses 229
White 311
Black 316
White wins 157
Black wins 176
Score 364
Percent 58.2
Dp 70
AOR 1335.1
Performance 1405.2
Rankings (Main)
National
Overall 1101
Gender 1011
Age group 113
Gender/Age 102
Provincial
Overall 334
Gender 306
Age group 28
Gender/Age 27
Regional
Overall 216
Gender 200
Age group 18
Gender/Age 17
Rankings (Standard)
National
Overall 1187
Gender 1074
Age group 126
Gender/Age 110
Provincial
Overall 337
Gender 301
Age group 29
Gender/Age 27
Regional
Overall 220
Gender 201
Age group 20
Gender/Age 18
Rankings (Rapid)
National
Overall 564
Gender 503
Age group 39
Gender/Age 36
Provincial
Overall 289
Gender 250
Age group 23
Gender/Age 22
Regional
Overall 147
Gender 137
Age group 13
Gender/Age 13
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 23
Score 11.5
Percent 50
Aor 1537.8
Dp 0
Prat 1537.8
Performance (12 months)
Games 99
Score 57
Percent 57.6
Aor 1513.8
Dp 64.4
Prat 1578.1
Performance (History)
Games 625
Score 364
Percent 58.2
Aor 1335.1
Dp 70
Prat 1405.2
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 Somai, R (Ruhan) 2 0 2 CWP Youth Day Rapid 2021 (U14) Metro Rapid 2022 (U15 Boys) Details