Player Page

Booysen, J (Joseph)
Dob: 2013/12/15 (U12)
Gender: Male
Chess SA id: 1130190770
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (67 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 rating1175.9
Current Weighted rating1203.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1203.1
Current highest rating achieved1224.5
Current floor (min rating allowed)724.5
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)±171.6
Current Raw change used (final)0.0
Projected new Raw rating1175.9
Projected new Weighed rating1106.9
Projected new Weighted performance1001.0
Projected new final Raw rating (if new WP > new Raw)1175.9
Projected new highest rating1224.5
Projected new floor724.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1175.9
Projected effective change (new Official - current Official)-27.2
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 rating1154.6
Current Weighted rating1189.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1189.6
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)±176.9
Current Raw change used (final)0.0
Projected new Raw rating1154.6
Projected new Weighed rating1094.0
Projected new Weighted performance322.3
Projected new final Raw rating (if new WP > new Raw)1154.6
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)1154.6
Projected effective change (new Official - current Official)-35.0
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 rating1202.6
Current Weighted rating1219.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1219.5
Current highest rating achieved1254.0
Current floor (min rating allowed)754.0
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)±165.2
Current Raw change used (final)0.0
Projected new Raw rating1202.6
Projected new Weighed rating1122.5
Projected new Weighted performance948.1
Projected new final Raw rating (if new WP > new Raw)1202.6
Projected new highest rating1254.0
Projected new floor754.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1202.6
Projected effective change (new Official - current Official)-16.9
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 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1180.0 1231.0 Analysis
2 Overberg Schools - PS Closed 2024 (U11 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 1.5 1219.4 1200.0 Analysis
1 Overberg Open Rapid 2024 (U11) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.0 1224.5 1254.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Hermanus Chess Club Open 2024 (Development) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 3.0 1180.0 1231.0 Analysis
3 Overberg Schools - PS Closed 2024 (U11 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 1.5 1219.4 1200.0 Analysis
2 Overberg Open Rapid 2024 (U11) 2024/01/27 2024/01/27 Overberg (WOS) Rapid 20 0.47 5 5 2.0 1224.5 1254.0 Analysis
1 Kingsway Open 2023 (Beginners) 2023/10/28 2023/10/28 Overberg (WOS) Rapid 20 0.47 5 4 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 6 1 10 6.5 38.2 -100.0 1214.1 1114.1
White 9 4 1 4 4.5 50.0 0.0 1194.1 1194.1
Black 8 2 0 6 2.0 25.0 -212.5 1236.6 1024.1
Standard All 5 1 1 3 1.5 30.0 -170.0 1171.9 1001.9
White 3 0 1 2 0.5 16.7 -283.3 1165.1 881.7
Black 2 1 0 1 1.0 50.0 0.0 1182.3 1182.3
Rapid All 12 5 0 7 5.0 41.7 -70.8 1231.7 1160.9
White 6 4 0 2 4.0 66.7 141.7 1208.6 1350.3
Black 6 1 0 5 1.0 16.7 -283.3 1254.7 971.4
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 21 9 2 10 10.0 47.6 -20.2 1209.1 1188.9
White 11 5 2 4 6.0 54.5 38.6 1195.2 1233.8
Black 10 4 0 6 4.0 40.0 -85.0 1224.5 1139.5
Standard All 5 1 1 3 1.5 30.0 -170.0 1171.9 1001.9
White 3 0 1 2 0.5 16.7 -283.3 1165.1 881.7
Black 2 1 0 1 1.0 50.0 0.0 1182.3 1182.3
Rapid All 16 8 1 7 8.5 53.1 26.6 1220.7 1247.3
White 8 5 1 2 5.5 68.8 159.4 1206.5 1365.9
Black 8 3 0 5 3.0 37.5 -106.3 1235.0 1128.8
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 2110159246 Rock, M (Mieke) 2 1.0 1 0 1 50.0 1190.0 0.0 1190.0 View list
2 1160190775 Viljoen, W (Wian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1120190771 Booysen, J (Joshua) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1150138485 Ngxovu, A (Akhanyile) 1 1.0 1 0 0 100.0 1180.0 425.0 1605.0 View list
5 1170302194 Kolbe, L (Luke) 1 1.0 1 0 0 100.0 1180.0 425.0 1605.0 View list
6 1130145278 Julies, L (Luke) 1 1.0 1 0 0 100.0 1219.4 425.0 1644.4 View list
7 1150152348 Du Plessis, E (Eben) 1 1.0 1 0 0 100.0 1180.0 425.0 1605.0 View list
8 1140145274 De Wet, J (James) 1 1.0 1 0 0 100.0 1224.5 425.0 1649.5 View list
9 1140152346 Coetzer, H (Hanro) 1 1.0 1 0 0 100.0 1224.5 425.0 1649.5 View list
10 2100190772 Brussow, Z (Zoë) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
11 1130137118 Muller, A (Andreas) 1 0.5 0 1 0 50.0 1219.4 0.0 1219.4 View list
12 1130138493 Otto, T (Taylor) 1 0.0 0 0 1 0.0 1224.5 -425.0 799.5 View list
13 1130159236 Olivier, D (Dian) 1 0.0 0 0 1 0.0 1219.4 -425.0 794.4 View list
14 1130133355 Vanqa, L (Lelomso) 1 0.0 0 0 1 0.0 1219.4 -425.0 794.4 View list
15 1140139715 Van Zyl, E (Ethan) 1 0.0 0 0 1 0.0 1224.5 -425.0 799.5 View list
16 1130152299 Schraader, R (Ruben) 1 0.0 0 0 1 0.0 1219.4 -425.0 794.4 View list
17 1130150071 Barnard, C (Charel) 1 0.0 0 0 1 0.0 1180.0 -425.0 755.0 View list
18 1140150070 Badenhorst, M (Marinus) 1 0.0 0 0 1 0.0 1224.5 -425.0 799.5 View list
19 1120138420 Erasmus, A (Ashton) 1 0.0 0 0 1 0.0 1180.0 -425.0 755.0 View list
20 2140152361 Du Plessis, V (Vera) 1 0.0 0 0 1 0.0 1180.0 -425.0 755.0 View list