Player Page

Jonker, WD (Wiehan)
Dob: 2003/08/19 (Adult)
Gender: Male
Chess SA id: 103014325
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2022/12/08 (513 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
Curent Raw rating1459.3
Curent Weighted rating1462.4
Curent Weighted performance1156.3
Current official/published rating (highest between Raw, WR and WP)1462.4
Current floor (min rating allowed)1011.8
Current highest rating achieved1511.8
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)±114.6
Current Raw change used (final)0.0
Projected new Raw rating1459.3
Projected new Weighed rating1461.7
Projected new Weighted performance1156.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1461.7
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1511.8
Projected new floor1011.8
Projected new K-facor32
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
Curent Raw rating1474.1
Curent Weighted rating1477.2
Curent Weighted performance1163.7
Current official/published rating (highest between Raw, WR and WP)1477.2
Current floor (min rating allowed)1027.2
Current highest rating achieved1527.2
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)±112.2
Current Raw change used (final)0.0
Projected new Raw rating1474.1
Projected new Weighed rating1476.5
Projected new Weighted performance1163.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1476.5
Projected effective change (new Official - current Official)-0.7
Projected new highest rating1527.2
Projected new floor1027.2
Projected new K-facor32
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
Curent Raw rating1214.0
Curent Weighted rating1214.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1214.0
Current floor (min rating allowed)714.0
Current highest rating achieved1214.0
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)±162.5
Current Raw change used (final)0.0
Projected new Raw rating1214.0
Projected new Weighed rating1214.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1214.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1214.0
Projected new floor714.0
Projected new K-facor36
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
Curent Raw rating1289.7
Curent Weighted rating1285.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1289.7
Current floor (min rating allowed)714.0
Current highest rating achieved1289.7
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)±145.9
Current Raw change used (final)0.0
Projected new Raw rating1289.7
Projected new Weighed rating1285.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1289.7
Projected new floor714.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 2022 South African Junior Team Chess Championships (U20 Open+Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 0.5 1511.8 1527.2 Analysis
18 Dr. KKD SAJCC Trials September 2022 (U18+U20) 2022/09/03 2022/09/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 4.0 1487.6 1499.4 Analysis
17 Dr. KKD Volkskool 2022 (Open) 2022/08/20 2022/08/20 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1481.0 1493.6 Analysis
16 Rachella`s Cafe Blitz Tournament 1 2022 2022/03/20 2022/03/20 Tshwane (GTP) Blitz 5 0.18 9 9 5.0 1476.0 1214.0 Analysis
15 Volkskool Proewe 2021 (U20) 2021/10/30 2021/10/30 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1457.4 1474.4 Analysis
14 Volkskool Tournament 2021 (Open) 2021/06/26 2021/06/26 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1373.7 1373.2 Analysis
13 Saamtrek 2021 (Open) 2021/06/12 2021/06/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.5 1373.7 1373.2 Analysis
12 Gimnasium 2020 (U20) 2020/02/01 2020/02/01 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1331.6 1330.9 Analysis
11 2019 South African Junior Team Championships (U18B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1354.3 1355.4 Analysis
10 Matlosana Mall 2019 (B) 2019/10/04 2019/10/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1279.0 1293.9 Analysis
9 Proewe 2019 (U20) 2019/08/03 2019/08/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1201.5 1203.2 Analysis
8 Proewe 2019 (U20 Girls) 2019/08/03 2019/08/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1201.5 1203.2 Analysis
7 Strathvaal 2019 (U18) 2019/04/13 2019/03/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1191.0 1190.6 Analysis
6 Volkskool 2019 (Ope) 2019/02/02 2019/02/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 1203.5 1207.2 Analysis
5 South African Junior Team Championships 2018 (U16C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 4.5 1196.7 1202.5 Analysis
4 Driefontein Proewe 2018 (O16 Seuns) 2018/07/28 2018/07/28 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1198.2 1205.4 Analysis
3 Volkies 2018 (U16) 2018/05/12 2018/05/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1201.2 1211.5 Analysis
2 Wesvalia 2018 (U16) 2018/02/17 2018/02/17 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 5.0 1151.0 1151.0 Analysis
1 South African Junior Team Championships 2017 (U16B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 1214.0 1214.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 105 59 15 31 66.5 63.3 113.3 1261.8 1375.1
White 54 33 7 14 36.5 67.6 149.5 1256.8 1406.3
Black 51 26 8 17 30.0 58.8 75.0 1267.1 1342.1
Standard All 96 54 15 27 61.5 64.1 119.5 1238.4 1357.9
White 50 29 7 14 32.5 65.0 127.5 1255.5 1383.0
Black 46 25 8 13 29.0 63.0 110.9 1219.8 1330.7
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 9 5 0 4 5.0 55.6 47.2 1511.1 1558.3
White 4 4 0 0 4.0 100.0 425.0 1272.4 1697.4
Black 5 1 0 4 1.0 20.0 -255.0 1702.0 1447.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 204047328 Fourie, EM (Elzette) 4 3.0 2 2 0 75.0 1327.8 212.5 1540.3 View list
2 206044885 Jonker, DE (Danica) 4 2.5 2 1 1 62.5 1429.0 106.3 1535.2 View list
3 101093344 Dhlamini, B (Brian) 3 3.0 3 0 0 100.0 1227.3 425.0 1652.3 View list
4 103087889 Human, D (Dewald) 3 3.0 3 0 0 100.0 1226.9 425.0 1651.9 View list
5 1010108524 Tsatsi, B (Bokamoso) 3 3.0 3 0 0 100.0 1202.2 425.0 1627.2 View list
6 106060952 Viljoen, J (Jaden) 3 3.0 3 0 0 100.0 1335.2 425.0 1760.2 View list
7 104000850 Aslett, J (Juan-Naude) 3 2.0 2 0 1 66.7 1183.5 141.7 1325.1 View list
8 102009689 Fouche, J (Janu) 3 1.5 0 3 0 50.0 1286.8 0.0 1286.8 View list
9 103055602 Cloete, C (Christiaan) 3 1.0 1 0 2 33.3 1241.3 -141.7 1099.6 View list
10 103046563 Raubenheimer, D (Dian) 3 0.0 0 0 3 0.0 1200.4 -425.0 775.4 View list
11 101081713 James, S (Sebenzile) 2 2.0 2 0 0 100.0 1240.1 425.0 1665.1 View list
12 205018547 Louw, D (Danial) 2 2.0 2 0 0 100.0 1472.5 425.0 1897.5 View list
13 107059584 Molusi, K (Katlego) 2 2.0 2 0 0 100.0 1373.7 425.0 1798.7 View list
14 103027283 Nell, M (Mcneill) 2 2.0 2 0 0 100.0 1197.5 425.0 1622.5 View list
15 102032719 Roux, D (Duval) 2 2.0 2 0 0 100.0 1201.5 425.0 1626.5 View list
16 107050552 Van Der Westhuizen, F (Frederik) 2 2.0 2 0 0 100.0 1326.3 425.0 1751.3 View list
17 103011356 Grobler, S (Stefan) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
18 207078376 Goede, K (Kari) 1 1.0 1 0 0 100.0 1457.4 425.0 1882.4 View list
19 103071924 De Beer, T (Thinus) 1 1.0 1 0 0 100.0 1354.3 425.0 1779.3 View list
20 104005532 Cordier, C (Christian) 1 1.0 1 0 0 100.0 1151.0 425.0 1576.0 View list