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: 2024/09/07 (34 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 rating1486.5
Current Weighted rating1505.8
Current Weighted performance1453.1
Current official/published rating (highest between Raw, WR and WP)1505.8
Current highest rating achieved1554.9
Current floor (min rating allowed)1054.9
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)±110.2
Current Raw change used (final)0.0
Projected new Raw rating1486.5
Projected new Weighed rating1386.3
Projected new Weighted performance1453.1
Projected new final Raw rating (if new WP > new Raw)1486.5
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)1486.5
Projected effective change (new Official - current Official)-19.3
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 rating1492.6
Current Weighted rating1502.9
Current Weighted performance1503.0
Current official/published rating (highest between Raw, WR and WP)1503.0
Current highest rating achieved1558.5
Current floor (min rating allowed)1058.5
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)±109.3
Current Raw change used (final)0.0
Projected new Raw rating1492.6
Projected new Weighed rating1383.9
Projected new Weighted performance1503.0
Projected new final Raw rating (if new WP > new Raw)1503.0
Projected new highest rating1558.5
Projected new floor1058.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1503.0
Projected effective change (new Official - current Official)=0.0
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 rating1415.6
Current Weighted rating1463.8
Current Weighted performance1386.4
Current official/published rating (highest between Raw, WR and WP)1463.8
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)±122.0
Current Raw change used (final)0.0
Projected new Raw rating1415.6
Projected new Weighed rating1347.0
Projected new Weighted performance1386.4
Projected new final Raw rating (if new WP > new Raw)1415.6
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)1415.6
Projected effective change (new Official - current Official)-48.2
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
13 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 10 5.5 1536.1 1558.5 Analysis
12 Curro Durbanville Chess Rapid Open 2024 (Championship) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1519.0 1450.8 Analysis
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
89 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 10 5.5 1536.1 1558.5 Analysis
88 Curro Durbanville Chess Rapid Open 2024 (Championship) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 6 2.0 1519.0 1450.8 Analysis
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
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 77 41 8 28 45.0 58.4 71.8 1418.5 1490.3
White 40 23 6 11 26.0 65.0 127.5 1399.3 1526.8
Black 37 18 2 17 19.0 51.4 11.5 1439.3 1450.8
Standard All 50 26 8 16 30.0 60.0 85.0 1424.5 1509.5
White 28 16 6 6 19.0 67.9 151.8 1401.3 1553.1
Black 22 10 2 10 11.0 50.0 0.0 1454.0 1454.0
Rapid All 27 15 0 12 15.0 55.6 47.2 1407.4 1454.6
White 12 7 0 5 7.0 58.3 70.8 1394.6 1465.5
Black 15 8 0 7 8.0 53.3 28.3 1417.6 1446.0
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 489 265 39 185 284.5 58.2 69.5 1290.3 1359.8
White 246 130 21 95 140.5 57.1 60.5 1290.8 1351.3
Black 243 135 18 90 144.0 59.3 78.7 1289.7 1368.4
Standard All 314 166 27 121 179.5 57.2 60.9 1281.6 1342.5
White 160 80 14 66 87.0 54.4 37.2 1287.7 1324.9
Black 154 86 13 55 92.5 60.1 85.6 1275.2 1360.7
Rapid All 175 99 12 64 105.0 60.0 85.0 1305.9 1390.9
White 86 50 7 29 53.5 62.2 103.8 1296.5 1400.3
Black 89 49 5 35 51.5 57.9 66.9 1314.9 1381.8
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 1442.1 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 1090109860 Solomon, I (Izaiah) 4 1.0 1 0 3 25.0 1465.5 -212.5 1253.0 View list
10 194028263 November, EJ (Enrique) 3 2.0 2 0 1 66.7 1232.8 141.7 1374.5 View list
11 108087029 Vorster, P (Paul) 3 1.5 1 1 1 50.0 1465.4 0.0 1465.4 View list
12 1070107276 Webster, M (Matthew) 3 1.5 1 1 1 50.0 1458.0 0.0 1458.0 View list
13 1080110836 Henning, C (Chris) 3 1.0 1 0 2 33.3 1426.0 -141.7 1284.3 View list
14 109068117 Spiller, A (Arin) 3 1.0 1 0 2 33.3 1227.7 -141.7 1086.0 View list
15 1070119933 Waguta, B (Brooklyn) 3 1.0 1 0 2 33.3 1372.7 -141.7 1231.1 View list
16 1040131203 Macheka, C (Clayton) 3 0.0 0 0 3 0.0 1308.1 -425.0 883.1 View list
17 208088218 Mackintosh, M (Michaella) 3 0.0 0 0 3 0.0 1244.2 -425.0 819.2 View list
18 106089505 Mchontsi, A (Ayabonga) 3 0.0 0 0 3 0.0 1304.2 -425.0 879.2 View list
19 107064069 Drury, N (Nicholas) 2 2.0 2 0 0 100.0 1332.3 425.0 1757.3 View list
20 2080109012 Gebu, S (Sisipho) 2 2.0 2 0 0 100.0 1397.1 425.0 1822.1 View list