Player Page

Coetzee, J (Jaco)
Dob: 2009/10/17 (U16)
Gender: Male
Chess SA id: 109076176
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2022/02/19 (807 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 rating1066.3
Curent Weighted rating1066.3
Curent Weighted performance544.5
Current official/published rating (highest between Raw, WR and WP)1066.3
Current floor (min rating allowed)569.6
Current highest rating achieved1069.6
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)±200.6
Current Raw change used (final)0.0
Projected new Raw rating1066.3
Projected new Weighed rating1066.3
Projected new Weighted performance544.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1066.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1069.6
Projected new floor569.6
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 rating1072.6
Curent Weighted rating1072.6
Curent Weighted performance540.7
Current official/published rating (highest between Raw, WR and WP)1072.6
Current floor (min rating allowed)583.0
Current highest rating achieved1083.0
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)±198.8
Current Raw change used (final)0.0
Projected new Raw rating1072.6
Projected new Weighed rating1072.6
Projected new Weighted performance540.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1072.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1083.0
Projected new floor583.0
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 rating542.6
Curent Weighted rating542.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)542.6
Current floor (min rating allowed)500.0
Current highest rating achieved542.6
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)±423.1
Current Raw change used (final)0.0
Projected new Raw rating542.6
Projected new Weighed rating542.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)542.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating542.6
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 rating542.6
Curent Weighted rating542.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)542.6
Current floor (min rating allowed)500.0
Current highest rating achieved542.6
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)±423.1
Current Raw change used (final)0.0
Projected new Raw rating542.6
Projected new Weighed rating542.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)542.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating542.6
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Heidelberg Klub Open 2002 (C) 2022/02/19 2022/02/19 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 1069.6 1083.0 Analysis
16 2019 Gauteng School League Finals (U11 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 996.2 994.2 Analysis
15 D7 Primary School League 2019 (U11) 2019/08/03 2019/08/03 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 996.2 994.2 Analysis
14 D7 Individuals 2019 (U11 Boys) 2019/05/04 2019/05/04 Sedibeng (GSV) Standard 61 0.83 5 5 2.0 984.2 981.0 Analysis
13 South African Junior Team Championships 2018 (U12D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 2.0 1055.0 1055.4 Analysis
12 2018 Interregion Sedibeng vs Ekurhuleni (P) 2018/11/03 2018/11/03 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1051.5 1050.7 Analysis
11 Eureka Chess Open 2018 (H) 2018/09/29 2018/09/29 Sedibeng (GSV) Standard 61 0.83 5 5 2.0 1012.1 1013.4 Analysis
10 2018 Gauteng League Final (U9) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 821.4 833.5 Analysis
9 Heidelberg Klub Round Robin 2018 (Team 7) 2018/08/18 2018/08/18 Sedibeng (GSV) Standard 61 0.83 7 6 3.5 821.4 833.5 Analysis
8 TST-MSA Tournament 2018 (E) 2018/07/21 2018/07/21 Sedibeng (GSV) Standard 61 0.83 5 4 2.0 774.9 776.3 Analysis
7 Broadland`s Knights Chess Open 2018 (C) 2018/06/16 2018/06/16 Sedibeng (GSV) Standard 61 0.83 5 4 0.0 792.8 799.5 Analysis
6 Hoerskool Drie Riviere Open 2018 (D) 2018/06/09 2018/06/09 Sedibeng (GSV) Standard 61 0.83 5 5 2.0 792.8 799.5 Analysis
5 Amigo Spur Eligwa Chess Open 2018 (C) 2018/05/19 2018/05/19 Sedibeng (GSV) Standard 60 0.83 5 4 1.0 705.8 748.4 Analysis
4 Heidelberg Skaak Klub 2018 (Team 9) 2018/05/05 2018/05/05 Sedibeng (GSV) Standard 60 0.83 5 5 1.0 705.8 748.4 Analysis
3 D7 Primary School League 2023 (U9 Boys+Mixed) 2018/04/21 2018/04/21 Sedibeng (GSV) Standard 61 0.83 5 5 5.0 554.4 565.6 Analysis
2 D7 Individual 2018 (U9 Boys) 2018/02/24 2018/02/24 Sedibeng (GSV) Standard 61 0.83 5 5 2.0 500.0 500.0 Analysis
1 South African Junior Team Championships 2017 (U12D) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 6 1.0 542.6 542.6 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 85 36 1 48 36.5 42.9 -60.0 1010.2 950.2
White 39 16 0 23 16.0 41.0 -76.3 1005.0 928.7
Black 46 20 1 25 20.5 44.6 -46.2 1014.5 968.3
Standard All 85 36 1 48 36.5 42.9 -60.0 1010.2 950.2
White 39 16 0 23 16.0 41.0 -76.3 1005.0 928.7
Black 46 20 1 25 20.5 44.6 -46.2 1014.5 968.3
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 207091196 Gebuza, M (Mbali) 2 1.0 1 0 1 50.0 922.1 0.0 922.1 View list
2 1090098059 Kapp, JS (Jeandre) 2 1.0 1 0 1 50.0 783.8 0.0 783.8 View list
3 1100100762 Myburgh, M (Matthew) 2 1.0 1 0 1 50.0 945.5 0.0 945.5 View list
4 107064054 Tabane, G (Gomolemo) 2 0.0 0 0 2 0.0 749.3 -425.0 324.3 View list
5 1120105310 Bannerman, K (Kellam) 1 1.0 1 0 0 100.0 821.4 425.0 1246.4 View list
6 1090113650 Botha, R (Ricardo) 1 1.0 1 0 0 100.0 996.2 425.0 1421.2 View list
7 209093064 De Villiers, AE (Anke) 1 1.0 1 0 0 100.0 821.4 425.0 1246.4 View list
8 1090100404 Els, C (Christiaan) 1 1.0 1 0 0 100.0 554.4 425.0 979.4 View list
9 2090104093 Giulashe, L (Lesedi) 1 1.0 1 0 0 100.0 774.9 425.0 1199.9 View list
10 1090097406 Alberts, D (Daniel) 1 1.0 1 0 0 100.0 1069.6 425.0 1494.6 View list
11 1100106661 Harmse, H (Heinrich) 1 1.0 1 0 0 100.0 1012.1 425.0 1437.1 View list
12 1010098067 Johannes, R (Reinhardt) 1 1.0 1 0 0 100.0 705.8 425.0 1130.8 View list
13 2090118211 Jonck, T (Thalea) 1 1.0 1 0 0 100.0 1069.6 425.0 1494.6 View list
14 1070098418 Jordaan, T (Thor) 1 1.0 1 0 0 100.0 1055.0 425.0 1480.0 View list
15 2100097421 Kuveya, R (Rufaro) 1 1.0 1 0 0 100.0 792.8 425.0 1217.8 View list
16 1100105705 Le Roux, SJ (Stephanus Johannes) 1 1.0 1 0 0 100.0 821.4 425.0 1246.4 View list
17 109091984 Liebenberg, Z (Zain) 1 1.0 1 0 0 100.0 984.2 425.0 1409.2 View list
18 206084229 Lombaard, M (Mia) 1 1.0 1 0 0 100.0 542.6 425.0 967.6 View list
19 208088689 Manadan, A (Anina) 1 1.0 1 0 0 100.0 1055.0 425.0 1480.0 View list
20 1120100417 Matla, K (Kemuel) 1 1.0 1 0 0 100.0 792.8 425.0 1217.8 View list