Player Page

Jonker, C (Corne)
Dob: 2013/03/22 (U12)
Gender: Male
Chess SA id: 1130131410
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (36 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 rating1258.8
Current Weighted rating1234.2
Current Weighted performance1213.2
Current official/published rating (highest between Raw, WR and WP)1258.8
Current highest rating achieved1330.0
Current floor (min rating allowed)830.0
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)±152.5
Current Raw change used (final)0.0
Projected new Raw rating1258.8
Projected new Weighed rating1136.1
Projected new Weighted performance1213.2
Projected new final Raw rating (if new WP > new Raw)1258.8
Projected new highest rating1330.0
Projected new floor830.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.8
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 rating1271.0
Current Weighted rating1241.1
Current Weighted performance1217.5
Current official/published rating (highest between Raw, WR and WP)1271.0
Current highest rating achieved1326.7
Current floor (min rating allowed)826.7
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)±149.9
Current Raw change used (final)0.0
Projected new Raw rating1271.0
Projected new Weighed rating1142.6
Projected new Weighted performance1217.5
Projected new final Raw rating (if new WP > new Raw)1271.0
Projected new highest rating1326.7
Projected new floor826.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1271.0
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 rating1146.8
Current Weighted rating1164.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1164.0
Current highest rating achieved1177.6
Current floor (min rating allowed)677.6
Current K-factor40
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)±178.9
Current Raw change used (final)0.0
Projected new Raw rating1146.8
Projected new Weighed rating1069.9
Projected new Weighted performance624.8
Projected new final Raw rating (if new WP > new Raw)1146.8
Projected new highest rating1177.6
Projected new floor677.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1146.8
Projected effective change (new Official - current Official)-17.2
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
3 Sedibeng Chess Open 11 May 2024 (U11) 2024/05/11 2024/05/11 Sedibeng (GSV) Standard 60 0.83 5 5 3.5 1233.1 1241.8 Analysis
2 Valia's Open 2024 (E) 2024/03/02 2024/03/02 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1207.1 1211.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1224.7 1234.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Sedibeng Chess Open 11 May 2024 (U11) 2024/05/11 2024/05/11 Sedibeng (GSV) Standard 60 0.83 5 5 3.5 1233.1 1241.8 Analysis
14 Valia's Open 2024 (E) 2024/03/02 2024/03/02 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1207.1 1211.9 Analysis
13 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1224.7 1234.6 Analysis
12 Dr Pieter Hangelbroek Rapid 2023 (C) 2023/10/28 2023/10/28 Sedibeng (GSV) Rapid 30 0.60 5 5 1.5 1235.9 1177.6 Analysis
11 2023 Gauteng Top Schools (U11 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 1.5 1273.0 1284.6 Analysis
10 2023 Sedibeng West District Schools Chess Tournament (U9+U11) 2023/08/12 2023/08/12 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1273.0 1284.6 Analysis
9 Overvaal Ope Jul 2023 (D) 2023/07/22 2023/07/22 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 1302.0 1326.7 Analysis
8 VaalPark Primary Open Chess 2023 (C) 2023/06/16 2023/06/16 Sedibeng (GSV) Rapid 45 0.74 5 5 2.0 1330.0 1200.0 Analysis
7 Driehoek Open Chess Tournament 2023 (D) 2023/05/13 2023/05/13 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 1257.8 1269.2 Analysis
6 Valia's Chess Tournament 2023 (D) 2023/05/06 2023/05/06 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1257.8 1269.2 Analysis
5 Hoerskool Drie Riviere Open 2023 (D) 2023/03/11 2023/03/11 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 1189.1 1186.0 Analysis
4 Carel`s Chess Open 2022 (D) 2022/03/05 2022/03/05 Sedibeng (GSV) Standard 61 0.83 5 5 3.0 1165.5 1156.4 Analysis
3 Heidelberg Klub Open 2002 (D) 2022/02/19 2022/02/19 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 1183.4 1178.4 Analysis
2 Hoerskool Drie Riviere 2020 (F) 2020/03/07 2020/03/07 Sedibeng (GSV) Standard 61 0.83 5 5 3.0 1161.8 1151.2 Analysis
1 AG Visser 2020 (D) 2020/02/22 2020/02/22 Sedibeng (GSV) Standard 61 0.83 6 6 2.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 6 4 5 8.0 53.3 28.3 1259.4 1287.7
White 7 5 1 1 5.5 78.6 242.9 1267.5 1510.4
Black 8 1 3 4 2.5 31.3 -159.4 1252.2 1092.8
Standard All 15 6 4 5 8.0 53.3 28.3 1259.4 1287.7
White 7 5 1 1 5.5 78.6 242.9 1267.5 1510.4
Black 8 1 3 4 2.5 31.3 -159.4 1252.2 1092.8
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 76 34 11 31 39.5 52.0 16.8 1222.6 1239.4
White 38 19 4 15 21.0 55.3 44.7 1222.1 1266.9
Black 38 15 7 16 18.5 48.7 -11.2 1223.0 1211.8
Standard All 66 31 10 25 36.0 54.5 38.6 1213.2 1251.8
White 32 17 4 11 19.0 59.4 79.7 1205.0 1284.6
Black 34 14 6 14 17.0 50.0 0.0 1221.0 1221.0
Rapid All 10 3 1 6 3.5 35.0 -127.5 1284.5 1157.0
White 6 2 0 4 2.0 33.3 -141.7 1313.8 1172.1
Black 4 1 1 2 1.5 37.5 -106.3 1240.5 1134.3
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 1120141859 Nagel, D (Divan) 4 2.5 2 1 1 62.5 1233.5 106.3 1339.8 View list
2 1120136511 Brand, H (Henko) 4 0.0 0 0 4 0.0 1251.8 -425.0 826.8 View list
3 2120140219 Smit, L (Liane) 3 3.0 3 0 0 100.0 1249.6 425.0 1674.6 View list
4 2110137806 Visser, M (Mila) 2 2.0 2 0 0 100.0 1177.3 425.0 1602.3 View list
5 1110130078 Stenden, L (Luke) 2 1.0 1 0 1 50.0 1200.0 0.0 1200.0 View list
6 1120136526 Viviers, W (Wiaan) 2 1.0 1 0 1 50.0 1257.8 0.0 1257.8 View list
7 1200131409 Coetzer, N (Nathan) 2 1.0 0 2 0 50.0 1200.0 0.0 1200.0 View list
8 1130113595 Bannerman, J (Jared) 2 0.5 0 1 1 25.0 1200.0 -212.5 987.5 View list
9 1120100418 Weber, KP (Keagan) 2 0.5 0 1 1 25.0 1209.7 -212.5 997.2 View list
10 2130136682 Botha, S (Shadette) 1 1.0 1 0 0 100.0 1183.4 425.0 1608.4 View list
11 1120155245 Booysen, Z (Zian) 1 1.0 1 0 0 100.0 1235.9 425.0 1660.9 View list
12 1110157355 Boloko, M (Mohau) 1 1.0 1 0 0 100.0 1330.0 425.0 1755.0 View list
13 1110137029 Bezuidenhout, L (Liam) 1 1.0 1 0 0 100.0 1183.4 425.0 1608.4 View list
14 2130144761 Coetzer, A (Ashlynn) 1 1.0 1 0 0 100.0 1257.8 425.0 1682.8 View list
15 2100132880 Chaka, N (Naomi) 1 1.0 1 0 0 100.0 1161.8 425.0 1586.8 View list
16 2140135916 Emanuel, S (Shiloh) 1 1.0 1 0 0 100.0 1257.8 425.0 1682.8 View list
17 2140139659 Du Toit, M (Monika) 1 1.0 1 0 0 100.0 1207.1 425.0 1632.1 View list
18 1110119433 Du Randt, P (Phillip) 1 1.0 1 0 0 100.0 1330.0 425.0 1755.0 View list
19 1130156389 Khoza, P (Phumlani) 1 1.0 1 0 0 100.0 1207.1 425.0 1632.1 View list
20 1110155777 Lange, M (Marthinus) 1 1.0 1 0 0 100.0 1257.8 425.0 1682.8 View list