Player Page

Du Preez-Gratz, C (Claire)
Dob: 2007/07/30 (U18)
Gender: Female
Chess SA id: 207072977
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2019/05/19 (1826 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 rating1173.5
Curent Weighted rating1173.5
Curent Weighted performance435.1
Current official/published rating (highest between Raw, WR and WP)1173.5
Current floor (min rating allowed)673.5
Current highest rating achieved1173.5
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)±172.2
Current Raw change used (final)0.0
Projected new Raw rating1173.5
Projected new Weighed rating1173.5
Projected new Weighted performance435.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1173.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1173.5
Projected new floor673.5
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 rating1159.8
Curent Weighted rating1159.8
Curent Weighted performance430.0
Current official/published rating (highest between Raw, WR and WP)1159.8
Current floor (min rating allowed)659.8
Current highest rating achieved1159.8
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)±175.6
Current Raw change used (final)0.0
Projected new Raw rating1159.8
Projected new Weighed rating1159.8
Projected new Weighted performance430.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1159.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1159.8
Projected new floor659.8
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 rating661.6
Curent Weighted rating661.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)661.6
Current floor (min rating allowed)500.0
Current highest rating achieved661.6
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)±357.1
Current Raw change used (final)0.0
Projected new Raw rating661.6
Projected new Weighed rating661.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)661.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating661.6
Projected new floor500.0
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 rating586.9
Curent Weighted rating566.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)586.9
Current floor (min rating allowed)500.0
Current highest rating achieved586.9
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)±397.2
Current Raw change used (final)0.0
Projected new Raw rating586.9
Projected new Weighed rating568.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)586.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating586.9
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 Western Cape Schools Individuals 2019 (U13 Girls) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 6 3.5 1097.5 1143.0 Analysis
15 Eden Trials 3 2019 (U14 Open) 2019/05/11 2019/05/11 Eden District (WEG) Standard 60 0.83 5 4 2.0 1097.5 1143.0 Analysis
14 Eden Trials 2 2019 (U14 Open) 2019/04/13 2019/04/13 Eden District (WEG) Standard 60 0.83 5 5 3.0 1033.0 1066.7 Analysis
13 Eden Trials 1 2019 (U14 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 3.0 983.9 1004.4 Analysis
12 George Trials 3 2019 (U14) 2019/02/23 2019/02/23 Eden District (WEG) Standard 60 0.83 5 5 3.0 965.9 963.2 Analysis
11 Triangular 1 GEO-MOSS-PAC 2019 2019/02/20 2019/02/20 Eden District (WEG) Blitz 7 0.23 8 8 1.0 965.9 661.6 Analysis
10 George Trials 2 2019 (U14) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 5 3.0 965.9 963.2 Analysis
9 George Trials 1 2019 (U14) 2019/01/26 2019/01/26 Eden District (WEG) Standard 60 0.83 5 5 3.0 953.6 949.2 Analysis
8 South African Junior Team Championships 2018 (U12A Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 0.0 1052.0 1053.6 Analysis
7 Western Cape Schools Individuals 2018 (U11 Girls) 2018/05/19 2018/05/20 Overberg (WOS) Standard 60 0.83 6 6 4.0 945.9 949.0 Analysis
6 EDENSC Closed 3 2018 (U12 Open) 2018/05/12 2018/05/12 Eden District (WEG) Standard 60 0.83 5 5 3.0 945.9 949.0 Analysis
5 EDENSC Closed 2 2018 (U12 Open) 2018/04/14 2018/04/14 Eden District (WEG) Standard 60 0.83 5 5 3.0 835.1 860.4 Analysis
4 EDENSC Closed 1 2018 (U12 Boys) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 5 3.0 761.7 774.4 Analysis
3 George Trails 3 2018 (U12) 2018/02/24 2018/02/24 Eden District (WEG) Standard 60 0.83 5 5 3.0 743.4 754.4 Analysis
2 George Trails 1 2018 (U12) 2018/01/27 2018/01/27 Eden District (WEG) Standard 60 0.83 5 5 4.0 661.6 661.6 Analysis
1 South African Junior Team Championships 2017 (U12 Girls) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 661.6 661.6 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 88 43 3 42 44.5 50.6 4.8 997.8 1002.6
White 44 26 2 16 27.0 61.4 96.6 978.0 1074.6
Black 44 17 1 26 17.5 39.8 -86.9 1017.6 930.7
Standard All 80 42 3 35 43.5 54.4 37.2 992.2 1029.4
White 40 25 2 13 26.0 65.0 127.5 970.4 1097.9
Black 40 17 1 22 17.5 43.8 -53.1 1014.0 960.9
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 8 1 0 7 1.0 12.5 -318.8 1053.5 734.8
White 4 1 0 3 1.0 25.0 -212.5 1053.5 841.0
Black 4 0 0 4 0.0 0.0 -425.0 1053.5 628.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 107075029 Botha, D (Daniel) 4 3.0 3 0 1 75.0 886.8 212.5 1099.3 View list
2 107086420 Kruger, S (Sachin) 3 1.0 1 0 2 33.3 961.8 -141.7 820.1 View list
3 1070098418 Jordaan, T (Thor) 3 0.0 0 0 3 0.0 926.2 -425.0 501.2 View list
4 1060108566 Sambo, J (Jendrio) 2 2.0 2 0 0 100.0 1008.5 425.0 1433.5 View list
5 107082959 Geduld, L (Lucian) 2 1.0 1 0 1 50.0 789.3 0.0 789.3 View list
6 207061368 Goosen, M (Mignon) 2 1.0 1 0 1 50.0 856.8 0.0 856.8 View list
7 207082958 Kuyler, L (Luzandri) 2 1.0 1 0 1 50.0 955.9 0.0 955.9 View list
8 108085297 Michaels, E (Enrico) 2 1.0 1 0 1 50.0 702.5 0.0 702.5 View list
9 107082961 Baadjies, B (Bradley) 2 0.0 0 0 2 0.0 965.9 -425.0 540.9 View list
10 103061042 Gelderbloem, C (Craigan) 2 0.0 0 0 2 0.0 965.9 -425.0 540.9 View list
11 198013875 Jansen Van Rensburg, R (Ruan) 2 0.0 0 0 2 0.0 965.9 -425.0 540.9 View list
12 105091176 Meyer, J (Jared) 2 0.0 0 0 2 0.0 965.9 -425.0 540.9 View list
13 108085303 Booysen, S (Simon) 1 1.0 1 0 0 100.0 743.4 425.0 1168.4 View list
14 207064249 Boje, C (Carissa) 1 1.0 1 0 0 100.0 661.6 425.0 1086.6 View list
15 1050107890 Campher, L (Luwiaan) 1 1.0 1 0 0 100.0 1033.0 425.0 1458.0 View list
16 108082219 Brits, B (Brandon) 1 1.0 1 0 0 100.0 661.6 425.0 1086.6 View list
17 1070108561 April, D (Devlon) 1 1.0 1 0 0 100.0 1033.0 425.0 1458.0 View list
18 207072974 Carstens, I (Ineke) 1 1.0 1 0 0 100.0 743.4 425.0 1168.4 View list
19 107088318 Daniels, Z (Zenidene) 1 1.0 1 0 0 100.0 945.9 425.0 1370.9 View list
20 1070108189 Frans, F (Firston) 1 1.0 1 0 0 100.0 953.6 425.0 1378.6 View list