Player Page

Yoon, YJ (Yea Jun)
Dob: 2011/06/01 (U14)
Gender: Female
Chess SA id: 2110113439
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (96 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 rating1501.8
Current Weighted rating1439.5
Current Weighted performance1364.4
Current official/published rating (highest between Raw, WR and WP)1501.8
Current highest rating achieved1502.7
Current floor (min rating allowed)1002.7
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)±107.9
Current Raw change used (final)0.0
Projected new Raw rating1501.8
Projected new Weighed rating1328.0
Projected new Weighted performance1364.4
Projected new final Raw rating (if new WP > new Raw)1501.8
Projected new highest rating1502.7
Projected new floor1002.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1501.8
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 rating1422.5
Current Weighted rating1358.9
Current Weighted performance1354.6
Current official/published rating (highest between Raw, WR and WP)1422.5
Current highest rating achieved1422.5
Current floor (min rating allowed)922.5
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)±120.8
Current Raw change used (final)0.0
Projected new Raw rating1422.5
Projected new Weighed rating1252.8
Projected new Weighted performance1354.6
Projected new final Raw rating (if new WP > new Raw)1422.5
Projected new highest rating1422.5
Projected new floor922.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1422.5
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 rating1523.1
Current Weighted rating1452.9
Current Weighted performance1431.0
Current official/published rating (highest between Raw, WR and WP)1523.1
Current highest rating achieved1555.7
Current floor (min rating allowed)1055.7
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)±104.6
Current Raw change used (final)0.0
Projected new Raw rating1523.1
Projected new Weighed rating1340.8
Projected new Weighted performance1431.0
Projected new final Raw rating (if new WP > new Raw)1523.1
Projected new highest rating1555.7
Projected new floor1055.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1523.1
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 Stellenbosch Primary 2024 (U13) 2024/08/17 2024/08/17 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1498.5 1515.7 Analysis
6 Cape Town Junior League Finals 2024 (U13 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 2.0 1502.7 1555.7 Analysis
5 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1502.7 1382.9 Analysis
4 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 5 5.0 1485.9 1491.0 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1446.9 1319.5 Analysis
2 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1388.5 1402.7 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1388.5 1290.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 Stellenbosch Primary 2024 (U13) 2024/08/17 2024/08/17 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1498.5 1515.7 Analysis
15 Cape Town Junior League Finals 2024 (U13 Open A) 2024/05/18 2024/05/18 Cape Town (WCT) Rapid 25 0.54 5 5 2.0 1502.7 1555.7 Analysis
14 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1502.7 1382.9 Analysis
13 Cape Town Junior League Qualifier 2024 (U13 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 5 5.0 1485.9 1491.0 Analysis
12 Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1446.9 1319.5 Analysis
11 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1388.5 1402.7 Analysis
10 CT District East Schools Chess Individuals Trails 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.0 1388.5 1290.7 Analysis
9 Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 30 0.60 6 6 5.0 1353.5 1346.9 Analysis
8 Stellenbosch Primary Chess Tournament 2023 (U14) 2023/08/19 2023/08/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 5.0 1319.4 1292.2 Analysis
7 Mary-Anne Bartels Chess Tournament 2023 (U13) 2023/02/21 2023/02/21 Cape Town (WCT) Rapid 30 0.60 5 5 3.5 1251.2 1273.5 Analysis
6 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1314.0 1281.7 Analysis
5 District East Schools Chess Individual Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 5 4.0 1251.2 1220.5 Analysis
4 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1230.2 1243.6 Analysis
3 2020 Metro Trials (U9 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 2.5 1225.4 1210.4 Analysis
2 2020 East District Individuals (U9) 2020/01/31 2020/02/01 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1221.8 1200.0 Analysis
1 Rhenish Primary Chess Tournament 2019 (U10) 2019/05/11 2019/05/11 Cape Winelands (WCW) Rapid 30 0.60 7 6 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 37 27 2 8 28.0 75.7 218.2 1335.4 1553.6
White 19 14 1 4 14.5 76.3 223.7 1323.3 1546.9
Black 18 13 1 4 13.5 75.0 212.5 1348.2 1560.7
Standard All 17 11 2 4 12.0 70.6 175.0 1371.4 1546.4
White 9 6 1 2 6.5 72.2 188.9 1339.3 1528.2
Black 8 5 1 2 5.5 68.8 159.4 1407.5 1566.9
Rapid All 20 16 0 4 16.0 80.0 255.0 1304.8 1559.8
White 10 8 0 2 8.0 80.0 255.0 1308.8 1563.8
Black 10 8 0 2 8.0 80.0 255.0 1300.7 1555.7
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 86 59 4 23 61.0 70.9 177.9 1289.2 1467.1
White 44 32 3 9 33.5 76.1 222.2 1275.3 1497.4
Black 42 27 1 14 27.5 65.5 131.5 1303.7 1435.3
Standard All 38 23 3 12 24.5 64.5 123.0 1310.8 1433.9
White 20 14 2 4 15.0 75.0 212.5 1277.6 1490.1
Black 18 9 1 8 9.5 52.8 23.6 1347.8 1371.4
Rapid All 48 36 1 11 36.5 76.0 221.4 1272.0 1493.4
White 24 18 1 5 18.5 77.1 230.2 1273.4 1503.6
Black 24 18 0 6 18.0 75.0 212.5 1270.7 1483.2
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 1110132058 Braaf, J (Jordan) 3 2.0 2 0 1 66.7 1330.4 141.7 1472.0 View list
2 1110146858 Adolf, F (Feraydo) 3 2.0 2 0 1 66.7 1402.1 141.7 1543.8 View list
3 1110102387 Smith, Z (Zion) 3 1.0 1 0 2 33.3 1434.4 -141.7 1292.7 View list
4 1120138780 Rall, L (Lian) 2 2.0 2 0 0 100.0 1443.5 425.0 1868.5 View list
5 1110108081 Muller, H (Helgard) 2 1.0 1 0 1 50.0 1380.5 0.0 1380.5 View list
6 1110131083 Priestley, L (Liam) 2 1.0 1 0 1 50.0 1408.3 0.0 1408.3 View list
7 1100191232 April, M (Micaile) 1 1.0 1 0 0 100.0 1353.5 425.0 1778.5 View list
8 1110138740 Amoraal, B (Benyamin) 1 1.0 1 0 0 100.0 1388.5 425.0 1813.5 View list
9 1080150198 Abrahams, C (Chello) 1 1.0 1 0 0 100.0 1353.5 425.0 1778.5 View list
10 1120151128 Botha, C (Caleb) 1 1.0 1 0 0 100.0 1388.5 425.0 1813.5 View list
11 1110113438 Boshoff, L (Lukas) 1 1.0 1 0 0 100.0 1221.8 425.0 1646.8 View list
12 1110140722 Black, L (Levi) 1 1.0 1 0 0 100.0 1251.2 425.0 1676.2 View list
13 2110130683 Beyi, A (Athenkosi) 1 1.0 1 0 0 100.0 1225.4 425.0 1650.4 View list
14 1100101900 Bands, A (Adrian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1110131078 Dunbar, A (Aaron) 1 1.0 1 0 0 100.0 1225.4 425.0 1650.4 View list
16 1110134083 Dude, L (Lwakhe) 1 1.0 1 0 0 100.0 1230.2 425.0 1655.2 View list
17 1110130188 Du Plessis, J (Jan-Dawid) 1 1.0 1 0 0 100.0 1502.7 425.0 1927.7 View list
18 1120161518 De Waal, P (Pieter) 1 1.0 1 0 0 100.0 1498.5 425.0 1923.5 View list
19 1110138041 De Vos, R (Raiq) 1 1.0 1 0 0 100.0 1314.0 425.0 1739.0 View list
20 1110140724 Chuang, G (Gareth) 1 1.0 1 0 0 100.0 1230.2 425.0 1655.2 View list