Player Page

Groenewald, J (Jason)
Dob: 2011/12/22 (U14)
Gender: Male
Chess SA id: 1110151146
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/02/24 (271 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 rating1147.2
Current Weighted rating1151.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1151.6
Current highest rating achieved1165.2
Current floor (min rating allowed)665.2
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)±178.8
Current Raw change used (final)0.0
Projected new Raw rating1147.2
Projected new Weighed rating1058.9
Projected new Weighted performance703.0
Projected new final Raw rating (if new WP > new Raw)1147.2
Projected new highest rating1165.2
Projected new floor665.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1147.2
Projected effective change (new Official - current Official)-4.4
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
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 rating1127.6
Current Weighted rating1130.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1130.2
Current highest rating achieved1143.6
Current floor (min rating allowed)643.6
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)±183.8
Current Raw change used (final)0.0
Projected new Raw rating1127.6
Projected new Weighed rating1039.2
Projected new Weighted performance740.0
Projected new final Raw rating (if new WP > new Raw)1127.6
Projected new highest rating1143.6
Projected new floor643.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1127.6
Projected effective change (new Official - current Official)-2.6
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
1 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1147.7 1119.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Mary-Anne Bartels Closed Chess Tournament 2024 (U13 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1147.7 1119.6 Analysis
2 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 2.0 1165.2 1143.6 Analysis
1 Mary-Anne Bartels Chess Tournament 2023 (U13) 2023/02/21 2023/02/21 Cape Town (WCT) Rapid 30 0.60 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 2 0 3 2.0 40.0 -85.0 1222.4 1137.4
White 2 2 0 0 2.0 100.0 425.0 1152.9 1577.9
Black 3 0 0 3 0.0 0.0 -425.0 1268.7 843.7
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 5 2 0 3 2.0 40.0 -85.0 1222.4 1137.4
White 2 2 0 0 2.0 100.0 425.0 1152.9 1577.9
Black 3 0 0 3 0.0 0.0 -425.0 1268.7 843.7
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 16 5 0 11 5.0 31.3 -159.4 1213.2 1053.8
White 8 3 0 5 3.0 37.5 -106.3 1199.2 1092.9
Black 8 2 0 6 2.0 25.0 -212.5 1227.3 1014.8
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 16 5 0 11 5.0 31.3 -159.4 1213.2 1053.8
White 8 3 0 5 3.0 37.5 -106.3 1199.2 1092.9
Black 8 2 0 6 2.0 25.0 -212.5 1227.3 1014.8
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 1110147435 Kramer, R (Ruan) 2 0.0 0 0 2 0.0 1156.5 -425.0 731.5 View list
2 1110193547 Claassens, H (Hagan) 1 1.0 1 0 0 100.0 1147.7 425.0 1572.7 View list
3 1110191231 Alexander, K (Keathon) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
4 1110191235 Grohban, H (Hendricks Paulo) 1 1.0 1 0 0 100.0 1165.2 425.0 1590.2 View list
5 1100150179 Swart, O (Owen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2120118994 Smollen, M (Mila) 1 1.0 1 0 0 100.0 1147.7 425.0 1572.7 View list
7 2110113439 Yoon, YJ (Yea Jun) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 2110138792 Van Zyl, L (Lindie) 1 0.0 0 0 1 0.0 1147.7 -425.0 722.7 View list
9 1100151155 Swart, R (Richardo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1100147479 Khumalo, M (Mthulisi) 1 0.0 0 0 1 0.0 1165.2 -425.0 740.2 View list
11 1120138780 Rall, L (Lian) 1 0.0 0 0 1 0.0 1147.7 -425.0 722.7 View list
12 1110118939 Pritchard, A (Aaron) 1 0.0 0 0 1 0.0 1165.2 -425.0 740.2 View list
13 1110191239 Naude, C (Cilan) 1 0.0 0 0 1 0.0 1165.2 -425.0 740.2 View list
14 1110138769 Naude, C (Cilan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1110140725 Davis, J (Joshua) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list