Player Page

Groenewald, C (Calvin)
Dob: 2009/10/28 (U16)
Gender: Male
Chess SA id: 1090151521
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (9 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 rating1018.1
Curent Weighted rating1060.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1060.7
Current floor (min rating allowed)660.8
Current highest rating achieved1160.8
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)1.33
Difference (S-We)0.67
Current Raw change (no limits, including tournament time weight)22.2
Current min/max change allowed (with limits)±214.9
Current Raw change used (final)22.2
Projected new Raw rating1040.3
Projected new Weighed rating1055.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1055.6
Projected effective change (new Official - current Official)-5.0
Projected new highest rating1160.8
Projected new floor660.8
Projected new K-facor40
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 rating994.4
Curent Weighted rating1041.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1041.5
Current floor (min rating allowed)652.4
Current highest rating achieved1152.4
Current K-factor40
Games played this month5
Score (S)2.0
Expected score (We)1.20
Difference (S-We)0.80
Current Raw change (no limits, including tournament time weight)32.0
Current min/max change allowed (with limits)±222.2
Current Raw change used (final)32.0
Projected new Raw rating1026.4
Projected new Weighed rating1036.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1036.5
Projected effective change (new Official - current Official)-5.0
Projected new highest rating1152.4
Projected new floor652.4
Projected new K-facor40
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Tournament: 2024 Gauteng North School District Individual Championships - D1 (U15 Boys)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1018.1  Rating gain/loss: 22.2
Type rating: 994.4  Rating gain/loss: 32.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng North School District Individual Championships - D1 (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1018.1 994.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 2024 Gauteng North School District Individual Championships - D1 (U15 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1018.1 994.4 Analysis
5 2023 Gauteng Top Schools (U15 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 0.0 1077.5 1056.8 Analysis
4 2023 Gauteng North School District CLOSED League Championships (D1) (U15) 2023/08/05 2023/08/05 Tshwane (GTP) Standard 60 0.83 3 3 1.0 1077.5 1056.8 Analysis
3 2023 Gauteng North School District CLOSED Individual Championships (U15 Boys) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1094.1 1072.8 Analysis
2 Silver Lakes Open Chess Tournament (C) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 0.0 1160.8 1152.4 Analysis
1 Chris Greyling Open Tournament 2023 (D2) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 1.5 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 1213.1 1128.1
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 0 0 3 0.0 0.0 -425.0 1221.8 796.8
Standard All 5 2 0 3 2.0 40.0 -85.0 1213.1 1128.1
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 0 0 3 0.0 0.0 -425.0 1221.8 796.8
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 27 5 1 21 5.5 20.4 -251.9 1207.9 956.0
White 13 4 1 8 4.5 34.6 -130.8 1194.1 1063.3
Black 14 1 0 13 1.0 7.1 -364.3 1220.7 856.4
Standard All 27 5 1 21 5.5 20.4 -251.9 1207.9 956.0
White 13 4 1 8 4.5 34.6 -130.8 1194.1 1063.3
Black 14 1 0 13 1.0 7.1 -364.3 1220.7 856.4
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1100156083 Modiba, K (Kamogelo) 2 0.0 0 0 2 0.0 1077.5 -425.0 652.5 View list
2 1100304542 Sehlaha, B (Blessing) 1 1.0 1 0 0 100.0 1018.1 425.0 1443.1 View list
3 1110159684 Moya, L (Lulama) 1 1.0 1 0 0 100.0 1077.5 425.0 1502.5 View list
4 1090304539 Monyane, K (Kutlwano) 1 1.0 1 0 0 100.0 1018.1 425.0 1443.1 View list
5 1090156108 Mahlangu, J (Junior) 1 1.0 1 0 0 100.0 1094.1 425.0 1519.1 View list
6 2090152738 Van Niekerk, Z (Zani) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1110138291 De Klerk, W (Wihan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
8 1090154958 Shiba, L (Lindokuhle) 1 0.0 0 0 1 0.0 1094.1 -425.0 669.1 View list
9 1060112679 Shela, T (Tshepo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1100156094 Setlwane, R (Rakgaphane) 1 0.0 0 0 1 0.0 1018.1 -425.0 593.1 View list
11 198058188 Mojela, T (Terence) 1 0.0 0 0 1 0.0 1160.8 -425.0 735.8 View list
12 1080159056 Prinsloo, G (Gareth) 1 0.0 0 0 1 0.0 1077.5 -425.0 652.5 View list
13 1090135143 Olivier, JG (Jacobus George) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1090143716 Nel, J (J-Louwen) 1 0.0 0 0 1 0.0 1160.8 -425.0 735.8 View list
15 1090156109 Mahlangu, S (Sinenhlanhla) 1 0.0 0 0 1 0.0 1094.1 -425.0 669.1 View list
16 1090156103 Bhayat, J (Jaleel) 1 0.0 0 0 1 0.0 1094.1 -425.0 669.1 View list
17 1500154190 Badenhorst, M (Michael) 1 0.0 0 0 1 0.0 1160.8 -425.0 735.8 View list
18 1960154191 Le Roux, A (Arnoldus) 1 0.0 0 0 1 0.0 1160.8 -425.0 735.8 View list
19 1080161054 Koekemoer, J (James) 1 0.0 0 0 1 0.0 1077.5 -425.0 652.5 View list
20 1120149158 Fraser, J (Jacobus) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list