Player Page

Groenewald, S (Stefan)
Dob: 2010/01/03 (U16)
Gender: Male
Chess SA id: 1100112365
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/02/17 (129 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 rating1205.3
Current Weighted rating1214.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1214.2
Current highest rating achieved1219.3
Current floor (min rating allowed)719.3
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)±164.6
Current Raw change used (final)0.0
Projected new Raw rating1205.3
Projected new Weighed rating1117.0
Projected new Weighted performance875.2
Projected new final Raw rating (if new WP > new Raw)1205.3
Projected new highest rating1219.3
Projected new floor719.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1205.3
Projected effective change (new Official - current Official)-8.9
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 rating1186.4
Current Weighted rating1194.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.5
Current highest rating achieved1200.4
Current floor (min rating allowed)700.4
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)±169.1
Current Raw change used (final)0.0
Projected new Raw rating1186.4
Projected new Weighed rating1099.0
Projected new Weighted performance724.2
Projected new final Raw rating (if new WP > new Raw)1186.4
Projected new highest rating1200.4
Projected new floor700.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.4
Projected effective change (new Official - current Official)-8.1
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 rating1174.0
Current Weighted rating1174.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1174.0
Current highest rating achieved1174.0
Current floor (min rating allowed)674.0
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)±172.1
Current Raw change used (final)0.0
Projected new Raw rating1174.0
Projected new Weighed rating1080.1
Projected new Weighted performance310.4
Projected new final Raw rating (if new WP > new Raw)1174.0
Projected new highest rating1174.0
Projected new floor674.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1174.0
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
1 2024 Constantiapark Open (C) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1219.3 1200.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 2024 Constantiapark Open (C) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1219.3 1200.4 Analysis
3 2023 Tshwane South School District CLOSED Individual Championships (U13 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1213.3 1189.2 Analysis
2 D4 Individuals 2022 (U13 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 4.0 1192.7 1200.0 Analysis
1 2019 D4 Individual Finals (U9 Mixed) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 1 1 3 1.5 30.0 -170.0 1303.3 1133.3
White 2 0 1 1 0.5 25.0 -212.5 1224.8 1012.3
Black 3 1 0 2 1.0 33.3 -141.7 1355.7 1214.0
Standard All 5 1 1 3 1.5 30.0 -170.0 1303.3 1133.3
White 2 0 1 1 0.5 25.0 -212.5 1224.8 1012.3
Black 3 1 0 2 1.0 33.3 -141.7 1355.7 1214.0
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 22 11 1 10 11.5 52.3 19.3 1192.5 1211.8
White 11 6 1 4 6.5 59.1 77.3 1141.4 1218.6
Black 11 5 0 6 5.0 45.5 -38.6 1243.6 1205.0
Standard All 15 7 1 7 7.5 50.0 0.0 1180.4 1180.4
White 7 3 1 3 3.5 50.0 0.0 1144.6 1144.6
Black 8 4 0 4 4.0 50.0 0.0 1211.7 1211.7
Rapid All 7 4 0 3 4.0 57.1 60.7 1218.4 1279.1
White 4 3 0 1 3.0 75.0 212.5 1135.8 1348.3
Black 3 1 0 2 1.0 33.3 -141.7 1328.6 1187.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1100096766 Du Preez, J (Julian) 2 1.0 1 0 1 50.0 1206.7 0.0 1206.7 View list
2 1140134237 Barkhuizen, SJ (Simon Jurgens) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
3 1100154171 De Meyer, M (Marius) 1 1.0 1 0 0 100.0 1213.3 425.0 1638.3 View list
4 1090139995 Coetzee, C (Cuan) 1 1.0 1 0 0 100.0 1192.7 425.0 1617.7 View list
5 1100098596 Redelinghuys, A (Ayden) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1100131213 Naicker, H (Hoovasen) 1 1.0 1 0 0 100.0 1192.7 425.0 1617.7 View list
7 109078402 Matthee, WD (William) 1 1.0 1 0 0 100.0 1192.7 425.0 1617.7 View list
8 110095325 Lourens, J (Jurgen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1090140004 Van Staden, R (Rikus) 1 1.0 1 0 0 100.0 1192.7 425.0 1617.7 View list
10 1100119625 Richards, K (Kobus) 1 1.0 1 0 0 100.0 1213.3 425.0 1638.3 View list
11 1100139996 De Wet, L (Lambert Hugo) 1 1.0 1 0 0 100.0 1213.3 425.0 1638.3 View list
12 1090134032 De Roos, H (Hubert) 1 0.5 0 1 0 50.0 1219.3 0.0 1219.3 View list
13 1110098610 Vermeulen, G (George Francis) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 110092655 Sutherland, R (Reuben) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 109069454 Sathish, A (Abinavah) 1 0.0 0 0 1 0.0 1192.7 -425.0 767.7 View list
16 1100192158 Sadalla, J (Johnny) 1 0.0 0 0 1 0.0 1219.3 -425.0 794.3 View list
17 1090103920 Reyneke, L (Luke) 1 0.0 0 0 1 0.0 1192.7 -425.0 767.7 View list
18 1100105140 Jacobs, H (Hanno) 1 0.0 0 0 1 0.0 1213.3 -425.0 788.3 View list
19 1120109890 Grahan, T (Tylo) 1 0.0 0 0 1 0.0 1219.3 -425.0 794.3 View list
20 110088599 Bogaard, FK (Franco) 1 0.0 0 0 1 0.0 1192.7 -425.0 767.7 View list