PLAYER PAGE

Tristan Jonkers

108087782
Cape Town (WCT)
Personal
Main rating
Rating 1632.5
K-factor 28
Floor 1134.9
Highest 1634.9 (2026-01-01)
Min/Max +/- allowed 89
Rating Change
()
Games 9
Score 5
We 4.47
SWe 0.53
Temp +/- 14.9
Penalties 0
Weight perform 1623.2
Final +/- +14.9
New Rating
()
Rating 1647.4
K-factor 28
Floor 1147.4
Highest 1647.4 (2026-07-01)
Min/Max +/- allowed 87.7
Standard rating
Rating 1615.3
K-factor 28
Floor 1133.7
Highest 1633.7 (2026-01-01)
Min/Max +/- allowed 89.4
Rating Change
()
Games 9
Score 5
We 4.43
SWe 0.57
Temp +/- 16
Penalties 0
Weight perform 1613
Final +/- +16
New Rating
()
Rating 1631.3
K-factor 28
Floor 1133.7
Highest 1633.7 (2026-01-01)
Min/Max +/- allowed 89.4
Rapid rating
Rating 1500
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 1462.4
Final +/- 0
New Rating
()
Rating 1500
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 Open Championship 2026 (Advanced) Classical 2026-06-28 2026-07-05 Cape Town (WCT) 9 1632.5 9 5 1686.6 14.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Curro Hermanus Winter Open 2026 (U20) Rapid 2026-06-20 2026-06-20 Overberg (WOS) 6 1618.4 6 5.5 1733.7 14.1 Details
2 2026 WCSC HS Individual Championship (U18 Boys) Standard 2026-05-02 2026-05-03 Eden (WEG) 6 1618.8 6 4 1632.2 2.4 Details
3 Moja Chess Extravaganza 2026 (U18) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1618.8 5 3 1585 -2.8 Details
4 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
5 Steinitz Chess Festival 2026 (Advanced) Standard 2026-03-20 2026-03-22 Cape Town (WCT) 6 1579 6 5 1717.6 26 Details
6 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
7 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
8 COGH 2026 (Advanced) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1580 6 3.5 1570.8 -1 Details
9 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
10 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
11 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
12 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
13 Kraaifontein Open 2025 (Advanced) Standard 2025-12-06 2025-12-07 Cape Town (WCT) 6 1627.2 6 4 1623.1 -0.3 Details
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 CT League 2024 (C) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1536.1 10 5.5 1411.3 -31 Details
32 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
33 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
34 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
35 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
36 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
37 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1486.2 7 4 1496 1.3 Details
38 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
39 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
40 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
41 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
42 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
43 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
44 Kraaifontein Open 2023 (Adanced) Standard 2023-12-09 2023-12-10 Cape Town (WCT) 6 1498.9 6 3.5 1605 13.1 Details
45 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
46 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
47 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
48 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
49 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
50 WP Closed 2023 (U16) Standard 2023-06-16 2023-06-17 Cape Town (WCT) 6 1493.3 6 5 1704.9 26.2 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 70
Wins 36
Draws 11
Losses 23
White 34
Black 36
White wins 16
Black wins 20
Score 41.5
Percent 59.3
Dp 78.9
AOR 1533.5
Performance 1612.4
Game statistics (History)
Games 672
Wins 358
Draws 72
Losses 242
White 334
Black 340
White wins 170
Black wins 189
Score 394
Percent 58.6
Dp 73.4
AOR 1348.8
Performance 1422.2
Rankings (Main)
National
Overall 873
Gender 810
Age group 88
Gender/Age 78
Provincial
Overall 269
Gender 245
Age group 18
Gender/Age 17
Regional
Overall 192
Gender 179
Age group 15
Gender/Age 14
Rankings (Standard)
National
Overall 890
Gender 819
Age group 95
Gender/Age 84
Provincial
Overall 261
Gender 237
Age group 18
Gender/Age 17
Regional
Overall 185
Gender 172
Age group 15
Gender/Age 14
Rankings (Rapid)
National
Overall 406
Gender 376
Age group 29
Gender/Age 27
Provincial
Overall 185
Gender 171
Age group 15
Gender/Age 15
Regional
Overall 109
Gender 103
Age group 10
Gender/Age 10
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 5
Percent 55.6
Aor 1639.4
Dp 47.2
Prat 1686.6
Performance ()
Games 70
Score 41.5
Percent 59.3
Aor 1533.5
Dp 78.9
Prat 1612.4
Performance (12 months)
Games 122
Score 74
Percent 60.7
Aor 1522.3
Dp 90.6
Prat 1612.9
Performance (History)
Games 672
Score 394
Percent 58.6
Aor 1348.8
Dp 73.4
Prat 1422.2
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 Rosenberg, W (Wagheed) 7 3 4 Northern Chess Cadet Series 2020 (A) Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) Details
Overall 4 Blauw, S (Siyamthanda) 7 3 4 CTCA Rapid Masters @ Claremont Chess Club 2022 (Open) Kraaifontein Schools Rapid Chess Tournament 2025 (Advaned Boys) 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 Solomon, I (Izaiah) 5 0 5 Kraaifontein Open 2022 (U14) Moja Chess Extravaganza 2026 (U18) Details
Standard 4 Henning, C (Chris) 5 2 3 CWP Closed 2021 (Open) CT Metro North Schools Chess Individual Trials 2026 (u19 bOYS) Details
Standard 5 Waguta, B (Brooklyn) 4 1 3 2019 WP Youth Open (C) South African Junior Closed Chess Championships 2025 (U18 Open) 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 Gwanzura, K (Kevin) 2 2 0 ACL November 2022 (Beginners) Curro Hermanus Winter Open 2026 (U20) Details