Player Page

Jones, G (Gretchen)
Dob: 2005/09/30 (U20)
Gender: Female
Chess SA id: 2050139947
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/05/27 (358 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 rating1224.5
Curent Weighted rating1204.8
Curent Weighted performance1034.7
Current official/published rating (highest between Raw, WR and WP)1224.5
Current floor (min rating allowed)724.5
Current highest rating achieved1224.5
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)±160.1
Current Raw change used (final)0.0
Projected new Raw rating1224.5
Projected new Weighed rating1208.1
Projected new Weighted performance1034.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1224.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1224.5
Projected new floor724.5
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 rating1234.4
Curent Weighted rating1209.9
Curent Weighted performance1031.1
Current official/published rating (highest between Raw, WR and WP)1234.4
Current floor (min rating allowed)734.4
Current highest rating achieved1234.4
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)±157.9
Current Raw change used (final)0.0
Projected new Raw rating1234.4
Projected new Weighed rating1214.0
Projected new Weighted performance1031.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1234.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1234.4
Projected new floor734.4
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
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
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Gauteng Schools Individual Finals 2023 (U18 Girls) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1134.9 1123.2 Analysis
4 2023 Tshwane North School District CLOSED Individual Championships (D3) (U18 Girls) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1134.9 1123.2 Analysis
3 2022 Gauteng Schools Individual Chess Championship (U18 Girls) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1146.2 1135.2 Analysis
2 2022 D3 Cluster Teams (U19) 2022/05/28 2022/05/28 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1182.4 1178.4 Analysis
1 2022 D3 Cluster City Schools (U18 Girls) 2022/04/23 2022/04/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1200.0 1200.0 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 25 12 0 13 12.0 48.0 -17.0 1201.0 1184.0
White 12 4 0 8 4.0 33.3 -141.7 1210.1 1068.4
Black 13 8 0 5 8.0 61.5 98.1 1192.5 1290.6
Standard All 25 12 0 13 12.0 48.0 -17.0 1201.0 1184.0
White 12 4 0 8 4.0 33.3 -141.7 1210.1 1068.4
Black 13 8 0 5 8.0 61.5 98.1 1192.5 1290.6
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 2060139950 Mutendeh, N (Natalie) 2 2.0 2 0 0 100.0 1167.5 425.0 1592.5 View list
2 2070115594 Grahan, C (Chie-Ann) 2 0.0 0 0 2 0.0 1167.5 -425.0 742.5 View list
3 2060155451 Du Toit, M (Megan) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
4 2060143535 Isaacs, E (Erin) 1 1.0 1 0 0 100.0 1146.2 425.0 1571.2 View list
5 2050149082 Horak, D (Danette) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
6 2050155460 Milanza, A (Alinah) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
7 1040141638 Mfundisi, P (Phumelela Prince) 1 1.0 1 0 0 100.0 1182.4 425.0 1607.4 View list
8 2060146015 Nthle, P (Palesa) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
9 2080139952 Nieuwoudt, K (Kayliegh) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2060143538 Mangwandi, C (Caitlin) 1 1.0 1 0 0 100.0 1146.2 425.0 1571.2 View list
11 205044702 Taylor, A (Abigail) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
12 2070143697 Tivane, L (Lebo) 1 1.0 1 0 0 100.0 1134.9 425.0 1559.9 View list
13 205077320 Strauss, M (Monique) 1 0.0 0 0 1 0.0 1134.9 -425.0 709.9 View list
14 2060099115 Pitsi, T (Thembani) 1 0.0 0 0 1 0.0 1146.2 -425.0 721.2 View list
15 1050112696 Legodi, S (Shiloh) 1 0.0 0 0 1 0.0 1182.4 -425.0 757.4 View list
16 2080191698 Nemahembeni, O (Omphile Grace) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 2040113955 Ndlovu, A (Angela) 1 0.0 0 0 1 0.0 1146.2 -425.0 721.2 View list
18 2060155467 Ndlela, B (Buhle) 1 0.0 0 0 1 0.0 1134.9 -425.0 709.9 View list
19 104065113 Mathe, B (Bradley) 1 0.0 0 0 1 0.0 1182.4 -425.0 757.4 View list
20 2050139946 Hlongwane, B (Bontle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list