Player Page

Coetzee, W (Willem Christoffel)
Dob: 2007/03/05 (U18)
Gender: Male
Chess SA id: 1070099945
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/08/12 (271 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 rating1336.0
Curent Weighted rating1327.5
Curent Weighted performance1087.1
Current official/published rating (highest between Raw, WR and WP)1336.0
Current floor (min rating allowed)836.0
Current highest rating achieved1336.0
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)±136.6
Current Raw change used (final)0.0
Projected new Raw rating1336.0
Projected new Weighed rating1328.6
Projected new Weighted performance1087.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1336.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1336.0
Projected new floor836.0
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 rating1347.7
Curent Weighted rating1338.2
Curent Weighted performance1087.4
Current official/published rating (highest between Raw, WR and WP)1347.7
Current floor (min rating allowed)852.4
Current highest rating achieved1352.4
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)±134.3
Current Raw change used (final)0.0
Projected new Raw rating1347.7
Projected new Weighed rating1339.3
Projected new Weighted performance1087.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1347.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1352.4
Projected new floor852.4
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
9 2023 Tshwane North School District CLOSED League Championships (D3) (U19) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1311.2 1319.6 Analysis
8 2022 Gauteng Schools Team Championships (U15 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1333.9 1351.3 Analysis
7 2022 D3 Cluster Teams (U15 Mixed) 2022/05/28 2022/05/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1330.3 1352.4 Analysis
6 2022 D3 Cluster City Schools (U15) 2022/04/23 2022/04/23 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1287.6 1302.7 Analysis
5 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1280.4 1296.6 Analysis
4 2019 D3 Team League (U13) 2019/07/20 2019/07/20 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1229.9 1237.2 Analysis
3 D3 Primary School League Cluster 4 2019 (U13) 2019/05/12 2019/05/12 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1175.1 1170.8 Analysis
2 2019 D3 Individuals (U13 Boys) 2019/04/13 2019/04/13 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1165.8 1158.8 Analysis
1 2018 D3 Tshwane North Individual Chess Championships (U11 Mixed) 2018/03/24 2018/03/24 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 44 30 1 13 30.5 69.3 164.2 1155.5 1319.7
White 24 17 0 7 17.0 70.8 177.1 1173.7 1350.8
Black 20 13 1 6 13.5 67.5 148.8 1133.6 1282.4
Standard All 44 30 1 13 30.5 69.3 164.2 1155.5 1319.7
White 24 17 0 7 17.0 70.8 177.1 1173.7 1350.8
Black 20 13 1 6 13.5 67.5 148.8 1133.6 1282.4
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 107084454 Fulat, F (Faheem) 3 1.5 1 1 1 50.0 1201.7 0.0 1201.7 View list
2 108045082 Koning, L (Lehan) 3 0.0 0 0 3 0.0 1272.6 -425.0 847.6 View list
3 107057447 Ferreira, IH (Ignus) 1 1.0 1 0 0 100.0 1229.9 425.0 1654.9 View list
4 1080139926 Erasmus, L (Lo-Andro) 1 1.0 1 0 0 100.0 1287.6 425.0 1712.6 View list
5 206079860 Dinham, K (Kiara) 1 1.0 1 0 0 100.0 1280.4 425.0 1705.4 View list
6 106068468 Deysel, JM (Juan Michael) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
7 1060112672 De Goede, D (De La Rey) 1 1.0 1 0 0 100.0 1165.8 425.0 1590.8 View list
8 1070115497 Choto, FVB (Farai Vuyo Bj) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
9 108061369 Human, LJ (Louis) 1 1.0 1 0 0 100.0 1333.9 425.0 1758.9 View list
10 107079467 Fuller, J (James) 1 1.0 1 0 0 100.0 1165.8 425.0 1590.8 View list
11 1080141587 Bulelani, S (Stephen) 1 1.0 1 0 0 100.0 1330.3 425.0 1755.3 View list
12 1070141583 Augustyn, C (Colin) 1 1.0 1 0 0 100.0 1330.3 425.0 1755.3 View list
13 1050159864 Mahlabe, B (Botshelo) 1 1.0 1 0 0 100.0 1311.2 425.0 1736.2 View list
14 1080116794 Magagula, F (Fakazi) 1 1.0 1 0 0 100.0 1229.9 425.0 1654.9 View list
15 100021238 Masemola, K (Kamogelo) 1 1.0 1 0 0 100.0 1311.2 425.0 1736.2 View list
16 1080099952 Maluleka, T (Tumisang) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1070115519 Korff, M (Morne) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
18 2060147081 Monyamane, K (Karabo Palesa) 1 1.0 1 0 0 100.0 1311.2 425.0 1736.2 View list
19 1080115493 Nana, S (Siakam Brian) 1 1.0 1 0 0 100.0 1175.1 425.0 1600.1 View list
20 1070112681 Napo, T (Tumelo) 1 1.0 1 0 0 100.0 1165.8 425.0 1590.8 View list