Player Page

Jonker, T (Tertius)
Dob: 2012/08/03 (U14)
Gender: Male
Chess SA id: 1120109887
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (66 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 rating1442.7
Current Weighted rating1304.8
Current Weighted performance1420.1
Current official/published rating (highest between Raw, WR and WP)1442.7
Current highest rating achieved1442.7
Current floor (min rating allowed)942.7
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)±117.3
Current Raw change used (final)0.0
Projected new Raw rating1442.7
Projected new Weighed rating1202.9
Projected new Weighted performance1420.1
Projected new final Raw rating (if new WP > new Raw)1442.7
Projected new highest rating1442.7
Projected new floor942.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1442.7
Projected effective change (new Official - current Official)=0.0
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 rating1439.8
Current Weighted rating1302.5
Current Weighted performance1420.1
Current official/published rating (highest between Raw, WR and WP)1439.8
Current highest rating achieved1439.8
Current floor (min rating allowed)939.8
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)±117.8
Current Raw change used (final)0.0
Projected new Raw rating1439.8
Projected new Weighed rating1200.8
Projected new Weighted performance1420.1
Projected new final Raw rating (if new WP > new Raw)1439.8
Projected new highest rating1439.8
Projected new floor939.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1439.8
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 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
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
7 2024 Tshwane North School District CLOSED Individual Champioships (U13 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1243.6 1227.0 Analysis
6 District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1243.6 1227.0 Analysis
5 2024 Tshwane Chess AHS Open Chess Tournament (C2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 3 1.0 1329.4 1324.2 Analysis
4 2024 Blou Bul Open Chess Tournament (C) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1329.4 1324.2 Analysis
3 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1329.4 1324.2 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1340.5 1349.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1340.5 1349.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
29 2024 Tshwane North School District CLOSED Individual Champioships (U13 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1243.6 1227.0 Analysis
28 District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1243.6 1227.0 Analysis
27 2024 Tshwane Chess AHS Open Chess Tournament (C2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 3 1.0 1329.4 1324.2 Analysis
26 2024 Blou Bul Open Chess Tournament (C) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1329.4 1324.2 Analysis
25 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1329.4 1324.2 Analysis
24 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1340.5 1349.8 Analysis
23 2024 Gauteng Inter-Region Chess Championship (U12B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1340.5 1349.8 Analysis
22 2023 Tuks Open Chess Tournament (C) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1350.4 1364.9 Analysis
21 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1250.3 1244.7 Analysis
20 2023 Gauteng Top Schools (U11 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 2.5 1250.3 1244.7 Analysis
19 2023 Tshwane North School District CLOSED League Championships (D3) (U11) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1250.3 1244.7 Analysis
18 2023 Lubowski Open Tournament (C) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1280.8 1278.2 Analysis
17 Gauteng Schools Individual Finals 2023 (U11 Boys) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1170.4 1161.0 Analysis
16 2023 Tshwane North School District CLOSED Individual Championships (D3) (U11 Open) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1170.4 1161.0 Analysis
15 2023 Mid Gauteng Open Tournament (C) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1170.4 1161.0 Analysis
14 Tuks Junior Developmental Chess Tournament 2023 (Blue) 2023/03/18 2023/03/18 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1195.8 1190.5 Analysis
13 2023 Tshwane Chess Open Registration Tournament (C2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1205.7 1204.2 Analysis
12 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 4 2.0 1203.5 1201.0 Analysis
11 2022 Etienne Lewis (U12 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1233.3 1234.5 Analysis
10 2022 Gauteng Schools Team Championships (U11 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1245.3 1256.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 33 17 2 14 18.0 54.5 38.6 1309.6 1348.3
White 17 11 1 5 11.5 67.6 150.0 1322.3 1472.3
Black 16 6 1 9 6.5 40.6 -79.7 1296.2 1216.5
Standard All 33 17 2 14 18.0 54.5 38.6 1309.6 1348.3
White 17 11 1 5 11.5 67.6 150.0 1322.3 1472.3
Black 16 6 1 9 6.5 40.6 -79.7 1296.2 1216.5
Rapid 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
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 146 73 9 64 77.5 53.1 26.2 1240.6 1266.8
White 71 39 6 26 42.0 59.2 77.8 1233.8 1311.6
Black 75 34 3 38 35.5 47.3 -22.7 1247.1 1224.4
Standard All 146 73 9 64 77.5 53.1 26.2 1240.6 1266.8
White 71 39 6 26 42.0 59.2 77.8 1233.8 1311.6
Black 75 34 3 38 35.5 47.3 -22.7 1247.1 1224.4
Rapid 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
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 1120109890 Grahan, T (Tylo) 6 4.0 4 0 2 66.7 1235.6 141.7 1377.3 View list
2 1120143058 Smith, E (Eduan) 4 1.5 1 1 2 37.5 1228.6 -106.3 1122.4 View list
3 1110143051 Naude, J (Johan) 3 1.0 1 0 2 33.3 1251.5 -141.7 1109.9 View list
4 1110157436 Hlatshwayo, Q (Qhawe) 2 2.0 2 0 0 100.0 1243.6 425.0 1668.6 View list
5 1120143047 Haupt, J (Joshua) 2 1.5 1 1 0 75.0 1243.6 212.5 1456.1 View list
6 2120138294 Swanepoel, L (Leja) 2 1.5 1 1 0 75.0 1180.3 212.5 1392.8 View list
7 1090115218 Mahlangu, NP (Nkosinathi Phillip) 2 0.0 0 0 2 0.0 1188.1 -425.0 763.1 View list
8 1090130089 Matsiokolo, G (Godisang) 2 0.0 0 0 2 0.0 1188.1 -425.0 763.1 View list
9 111093811 Meades, RA (Ruben Abraham) 2 0.0 0 0 2 0.0 1218.4 -425.0 793.4 View list
10 2100112734 Bornman, R (Roxanne) 1 1.0 1 0 0 100.0 1161.8 425.0 1586.8 View list
11 1120155245 Booysen, Z (Zian) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
12 1120303657 Chadibe, T (Tumelo) 1 1.0 1 0 0 100.0 1243.6 425.0 1668.6 View list
13 1130140133 Cronje, A (Anru) 1 1.0 1 0 0 100.0 1340.5 425.0 1765.5 View list
14 1110107188 De Beer, L (Liam) 1 1.0 1 0 0 100.0 1233.3 425.0 1658.3 View list
15 1120116864 De Villiers, IP (Izak Petrus) 1 1.0 1 0 0 100.0 1250.3 425.0 1675.3 View list
16 1050152243 Dube, G (Gift) 1 1.0 1 0 0 100.0 1195.8 425.0 1620.8 View list
17 2130137395 Du Toit, M (Mine) 1 1.0 1 0 0 100.0 1250.3 425.0 1675.3 View list
18 1500154190 Badenhorst, M (Michael) 1 1.0 1 0 0 100.0 1329.4 425.0 1754.4 View list
19 112090522 Erasmus, H (Heinrich) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
20 2140119150 Erasmus, M (Mine) 1 1.0 1 0 0 100.0 1177.7 425.0 1602.7 View list