Player Page

Pietersen, G (Gretchen)
Dob: 2003/01/19 (Adult)
Gender: Female
Chess SA id: 203078320
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2020/02/15 (1555 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 rating1029.1
Curent Weighted rating1029.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1029.1
Current floor (min rating allowed)537.3
Current highest rating achieved1037.3
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)±211.5
Current Raw change used (final)0.0
Projected new Raw rating1029.1
Projected new Weighed rating1029.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1029.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1037.3
Projected new floor537.3
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 rating1052.4
Curent Weighted rating1052.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1052.4
Current floor (min rating allowed)552.4
Current highest rating achieved1052.4
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)±204.6
Current Raw change used (final)0.0
Projected new Raw rating1052.4
Projected new Weighed rating1052.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1052.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1052.4
Projected new floor552.4
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 rating1033.2
Curent Weighted rating1033.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1033.2
Current floor (min rating allowed)610.4
Current highest rating achieved1110.4
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)±210.3
Current Raw change used (final)0.0
Projected new Raw rating1033.2
Projected new Weighed rating1033.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1033.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1110.4
Projected new floor610.4
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)610.4
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 floor610.4
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Cape Winelands Schools Trials 1 2020 (U18 Girls) 2020/02/15 2020/02/15 Cape Winelands (WCW) Rapid 30 0.60 6 6 2.5 1037.3 1100.8 Analysis
3 Cape Winelands Schools Chess - Top Schools 2018 (U17 Mix) 2018/07/28 2018/07/28 Cape Winelands (WCW) Rapid 30 0.60 3 2 1.0 1034.2 1110.4 Analysis
2 Cape Winelands Schools Prestige 2018 (U15 Girls) 2018/03/24 2018/03/25 Cape Winelands (WCW) Standard 60 0.83 7 6 2.0 1200.0 1200.0 Analysis
1 Cape Winelands Schools Trials 1 2018 (U15 Girls) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.5 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 20 8 2 10 9.0 45.0 -42.5 851.9 809.4
White 10 4 0 6 4.0 40.0 -85.0 815.1 730.1
Black 10 4 2 4 5.0 50.0 0.0 888.7 888.7
Standard All 6 2 0 4 2.0 33.3 -141.7 692.3 550.7
White 3 0 0 3 0.0 0.0 -425.0 677.5 252.5
Black 3 2 0 1 2.0 66.7 141.7 707.1 848.8
Rapid All 14 6 2 6 7.0 50.0 0.0 920.3 920.3
White 7 4 0 3 4.0 57.1 60.7 874.1 934.8
Black 7 2 2 3 3.0 42.9 -60.7 966.6 905.9
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 203078319 Hoffman, A (Anastacia) 2 1.0 1 0 1 50.0 1200.0 0.0 1200.0 View list
2 203052293 Fritz, S (She-Earl) 2 0.5 0 1 1 25.0 1118.7 -212.5 906.2 View list
3 202030284 Pietersen, J (Jody-Lee) 1 1.0 1 0 0 100.0 1037.3 425.0 1462.3 View list
4 2030104280 Blignaut, A (Alexa) 1 1.0 1 0 0 100.0 1037.3 425.0 1462.3 View list
5 204046578 Franse, J (Janine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 204051984 Fortuin, M (Martine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 103082977 Majiet, W (Wafeeq) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
8 204051985 Jacobs, S (Shaundre) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 204060342 Gordon, N (Natalie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 203052295 Goedeman, E (Elzane) 1 0.5 0 1 0 50.0 1037.3 0.0 1037.3 View list
11 203038908 Van Der Bank, C (Carla) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 203051970 Seholoba, R (Retshepile) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 202087317 Olivier, E (Elginay) 1 0.0 0 0 1 0.0 1037.3 -425.0 612.3 View list
14 203059054 Matati, C (Chumisa) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 204082238 Malherbe, N (Nikita) 1 0.0 0 0 1 0.0 1037.3 -425.0 612.3 View list
16 204046580 Jacobs, M (Mornic) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 203049733 Cana, L (Landiswa) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 202046589 Booysen, L (Lee-Ann) 1 0.0 0 0 1 0.0 1034.2 -425.0 609.2 View list