Player Page

Jonkers, T (Tristan)
Dob: 2008/05/21 (U18)
Gender: Male
Chess SA id: 108087782
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/07/06 (19 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1519.0
Current Weighted rating1497.2
Current Weighted performance1455.9
Current official/published rating (highest between Raw, WR and WP)1519.0
Current highest rating achieved1554.9
Current floor (min rating allowed)1054.9
Current K-factor32
Games played this month5
Score (S)3.5
Expected score (We)2.46
Difference (S-We)0.90
Current Raw change (no limits, including tournament time weight)29.0
Current min/max change allowed (with limits)±105.3
Current Raw change used (final)29.0
Projected new Raw rating1548.0
Projected new Weighed rating1378.9
Projected new Weighted performance1552.5
Projected new final Raw rating (if new WP > new Raw)1552.5
Projected new highest rating1554.9
Projected new floor1054.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1552.5
Projected effective change (new Official - current Official)+33.5
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1520.7
Current Weighted rating1488.1
Current Weighted performance1486.4
Current official/published rating (highest between Raw, WR and WP)1520.7
Current highest rating achieved1529.3
Current floor (min rating allowed)1029.3
Current K-factor32
Games played this month5
Score (S)3.5
Expected score (We)2.57
Difference (S-We)0.93
Current Raw change (no limits, including tournament time weight)29.8
Current min/max change allowed (with limits)±105.0
Current Raw change used (final)29.8
Projected new Raw rating1550.5
Projected new Weighed rating1370.7
Projected new Weighted performance1573.8
Projected new final Raw rating (if new WP > new Raw)1573.8
Projected new highest rating1573.8
Projected new floor1073.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1573.8
Projected effective change (new Official - current Official)+53.1
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1450.8
Current Weighted rating1473.4
Current Weighted performance1412.1
Current official/published rating (highest between Raw, WR and WP)1473.4
Current highest rating achieved1513.5
Current floor (min rating allowed)1013.5
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±116.0
Current Raw change used (final)0.0
Projected new Raw rating1450.8
Projected new Weighed rating1357.2
Projected new Weighted performance1412.1
Projected new final Raw rating (if new WP > new Raw)1450.8
Projected new highest rating1513.5
Projected new floor1013.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1450.8
Projected effective change (new Official - current Official)-22.6
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Chess Elevation Series - July 2024 (Level 4)
Start: 2024/07/05  End: 2024/07/06  Host: WCT  Type: Standard   Time: 70  Time weight: 0.87  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1519.0  Rating gain/loss: 29.0
Type rating: 1520.7  Rating gain/loss: 29.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
11 Chess Elevation Series - July 2024 (Level 4) 2024/07/05 2024/07/06 Cape Town (WCT) Standard 70 0.87 5 5 3.5 1519.0 1520.7 Analysis
10 Cape Town Chess Federation Closed Chess Championships 2024 (U18) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1480.6 1478.1 Analysis
9 Curro Hermanus Freedom Day Rapid 2024 (U19) 2024/04/27 2024/04/27 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1486.2 1501.7 Analysis
8 Hermanus Chess Club Open 2024 (Advanced) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1486.2 1501.7 Analysis
7 Kraaifontein Schools Rapid 2024 (Advanced Boys) 2024/04/13 2024/04/13 Cape Town (WCT) Rapid 15 0.39 5 5 3.0 1486.2 1501.7 Analysis
6 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 4 2.0 1486.2 1501.7 Analysis
5 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1492.1 1484.5 Analysis
4 Cape Town Open Chess Championship 2024 (Advanced) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1492.1 1484.5 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1492.1 1484.5 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (Advanced) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1519.2 1510.4 Analysis
1 North District School Trials 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1519.2 1510.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
87 Chess Elevation Series - July 2024 (Level 4) 2024/07/05 2024/07/06 Cape Town (WCT) Standard 70 0.87 5 5 3.5 1519.0 1520.7 Analysis
86 Cape Town Chess Federation Closed Chess Championships 2024 (U18) 2024/06/15 2024/06/16 Cape Town (WCT) Standard 70 0.87 6 6 4.5 1480.6 1478.1 Analysis
85 Curro Hermanus Freedom Day Rapid 2024 (U19) 2024/04/27 2024/04/27 Overberg (WOS) Rapid 30 0.60 5 5 4.0 1486.2 1501.7 Analysis
84 Hermanus Chess Club Open 2024 (Advanced) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.0 1486.2 1501.7 Analysis
83 Kraaifontein Schools Rapid 2024 (Advanced Boys) 2024/04/13 2024/04/13 Cape Town (WCT) Rapid 15 0.39 5 5 3.0 1486.2 1501.7 Analysis
82 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 4 2.0 1486.2 1501.7 Analysis
81 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1492.1 1484.5 Analysis
80 Cape Town Open Chess Championship 2024 (Advanced) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1492.1 1484.5 Analysis
79 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1492.1 1484.5 Analysis
78 Cape of Good Hope Open Chess Tournament 2024 (Advanced) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1519.2 1510.4 Analysis
77 North District School Trials 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1519.2 1510.4 Analysis
76 Kraaifontein Open 2023 (Adanced) 2023/12/09 2023/12/10 Cape Town (WCT) Standard 70 0.87 6 6 3.5 1498.9 1485.8 Analysis
75 Western Cape Closed Championship 2023 (U16) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1554.9 1513.5 Analysis
74 Cape Town Junior Chess League Finals 2023 (U16A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 6 5.0 1554.9 1513.5 Analysis
73 WP Club League 2023 (C) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 5 1.5 1554.9 1529.3 Analysis
72 Cape Town Junior Chess League - Round 1 2023 (U16A) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 6 5.0 1541.5 1456.1 Analysis
71 Curro Durbanville Chess Open Rapid 2023 (Intermediate) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 4.5 1541.5 1456.1 Analysis
70 WP Closed 2023 (U16) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 5.0 1493.3 1483.2 Analysis
69 Cape Town Junior League 2nd Qualifier 2023 (U16) 2023/06/03 2023/06/03 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1493.3 1429.2 Analysis
68 Western Cape HS Individuals 2023 (U15 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1464.6 1449.9 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 61 34 7 20 37.5 61.5 97.5 1410.9 1508.4
White 31 19 5 7 21.5 69.4 164.5 1385.0 1549.5
Black 30 15 2 13 16.0 53.3 28.3 1437.6 1466.0
Standard All 40 21 7 12 24.5 61.3 95.6 1438.5 1534.1
White 22 13 5 4 15.5 70.5 173.9 1407.5 1581.3
Black 18 8 2 8 9.0 50.0 0.0 1476.3 1476.3
Rapid All 21 13 0 8 13.0 61.9 101.2 1358.4 1459.6
White 9 6 0 3 6.0 66.7 141.7 1330.1 1471.7
Black 12 7 0 5 7.0 58.3 70.8 1379.6 1450.4
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 473 258 38 177 277.0 58.6 72.8 1284.9 1357.7
White 237 126 20 91 136.0 57.4 62.8 1284.8 1347.6
Black 236 132 18 86 141.0 59.7 82.8 1285.1 1367.9
Standard All 304 161 26 117 174.0 57.2 61.5 1278.7 1340.2
White 154 77 13 64 83.5 54.2 35.9 1284.2 1320.0
Black 150 84 13 53 90.5 60.3 87.8 1273.1 1360.9
Rapid All 169 97 12 60 103.0 60.9 93.0 1296.2 1389.2
White 83 49 7 27 52.5 63.3 112.7 1286.0 1398.6
Black 86 48 5 33 50.5 58.7 74.1 1306.0 1380.2
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090109869 Priestley, L (Logan) 6 6.0 6 0 0 100.0 1450.9 425.0 1875.9 View list
2 108087015 Nieuwoudt, H (Hein) 6 3.5 3 1 2 58.3 1442.0 70.8 1512.9 View list
3 108083939 Rosenberg, W (Wagheed) 6 1.0 1 0 5 16.7 1435.5 -283.3 1152.2 View list
4 108095313 Somai, R (Ruhan) 5 3.0 2 2 1 60.0 1339.6 85.0 1424.6 View list
5 1060108786 Blauw, S (Siyamthanda) 5 1.5 1 1 3 30.0 1424.6 -170.0 1254.6 View list
6 108089520 Adams, K (Kyron) 4 3.0 3 0 1 75.0 1313.6 212.5 1526.1 View list
7 107061440 Van Staaden, D (Darren) 4 2.0 1 2 1 50.0 1375.3 0.0 1375.3 View list
8 106064704 Jaftha, J (Jeyhlin) 4 1.5 1 1 2 37.5 1316.6 -106.3 1210.3 View list
9 194028263 November, EJ (Enrique) 3 2.0 2 0 1 66.7 1232.8 141.7 1374.5 View list
10 108087029 Vorster, P (Paul) 3 1.5 1 1 1 50.0 1465.4 0.0 1465.4 View list
11 1080110836 Henning, C (Chris) 3 1.0 1 0 2 33.3 1426.0 -141.7 1284.3 View list
12 109068117 Spiller, A (Arin) 3 1.0 1 0 2 33.3 1227.7 -141.7 1086.0 View list
13 1070119933 Waguta, B (Brooklyn) 3 1.0 1 0 2 33.3 1372.7 -141.7 1231.1 View list
14 1040131203 Macheka, C (Clayton) 3 0.0 0 0 3 0.0 1308.1 -425.0 883.1 View list
15 208088218 Mackintosh, M (Michaella) 3 0.0 0 0 3 0.0 1244.2 -425.0 819.2 View list
16 106089505 Mchontsi, A (Ayabonga) 3 0.0 0 0 3 0.0 1304.2 -425.0 879.2 View list
17 107064069 Drury, N (Nicholas) 2 2.0 2 0 0 100.0 1332.3 425.0 1757.3 View list
18 2080109012 Gebu, S (Sisipho) 2 2.0 2 0 0 100.0 1397.1 425.0 1822.1 View list
19 1090112746 Jackson, M (Minenthle) 2 2.0 2 0 0 100.0 1183.8 425.0 1608.8 View list
20 1070103483 Jali, H (Hlumelo) 2 2.0 2 0 0 100.0 1192.3 425.0 1617.3 View list