Player Page

Coertse, J (Jaimi)
Dob: 2008/02/13 (U18)
Gender: Male
Chess SA id: 108081020
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/04/22 (393 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 rating1056.3
Curent Weighted rating1060.6
Curent Weighted performance515.9
Current official/published rating (highest between Raw, WR and WP)1060.6
Current floor (min rating allowed)579.9
Current highest rating achieved1079.9
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)±203.5
Current Raw change used (final)0.0
Projected new Raw rating1056.3
Projected new Weighed rating1059.8
Projected new Weighted performance515.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1059.8
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1079.9
Projected new floor579.9
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 rating989.6
Curent Weighted rating991.4
Curent Weighted performance470.5
Current official/published rating (highest between Raw, WR and WP)991.4
Current floor (min rating allowed)500.0
Current highest rating achieved999.6
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)±223.8
Current Raw change used (final)0.0
Projected new Raw rating989.6
Projected new Weighed rating991.1
Projected new Weighted performance470.5
Projected new official/published rating (highest between new Raw, new WR and new WP)991.1
Projected effective change (new Official - current Official)-0.3
Projected new highest rating999.6
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 rating962.0
Curent Weighted rating962.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)962.0
Current floor (min rating allowed)500.0
Current highest rating achieved962.0
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)±232.7
Current Raw change used (final)0.0
Projected new Raw rating962.0
Projected new Weighed rating962.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)962.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating962.0
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 rating756.4
Curent Weighted rating756.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)756.4
Current floor (min rating allowed)500.0
Current highest rating achieved756.4
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)±312.0
Current Raw change used (final)0.0
Projected new Raw rating756.4
Projected new Weighed rating756.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)756.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating756.4
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1079.9 999.6 Analysis
9 2019 Super 12 Laerskole (Seniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 1049.4 878.8 Analysis
8 Inter Region GE vs JHB Metro 2018 (U12B) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1048.4 984.8 Analysis
7 Witfield Open 2018 (C) 2018/07/21 2018/07/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 979.3 821.6 Analysis
6 Boksburg Chess Club Open 2018 (U12) 2018/07/14 2018/07/14 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 979.3 821.6 Analysis
5 Ekurhuleni Trials 3 2018 (U12) 2018/06/16 2018/06/16 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 857.9 774.4 Analysis
4 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 5.0 761.2 756.4 Analysis
3 Ekurhuleni Trials 2 2018 (U12) 2018/04/21 2018/04/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 749.6 761.6 Analysis
2 Human Rights Day Open 2018 (C) 2018/03/21 2018/03/21 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 710.4 710.4 Analysis
1 South African Junior Team Championships 2017 (U10B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 756.4 756.4 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 51 26 1 24 26.5 52.0 16.7 989.9 1006.6
White 26 14 1 11 14.5 55.8 49.0 1007.5 1056.5
Black 25 12 0 13 12.0 48.0 -17.0 971.7 954.7
Standard All 41 18 1 22 18.5 45.1 -41.5 961.5 920.1
White 21 10 1 10 10.5 50.0 0.0 964.6 964.6
Black 20 8 0 12 8.0 40.0 -85.0 958.3 873.3
Rapid All 10 8 0 2 8.0 80.0 255.0 1106.4 1361.4
White 5 4 0 1 4.0 80.0 255.0 1187.5 1442.5
Black 5 4 0 1 4.0 80.0 255.0 1025.2 1280.2
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 1080098201 Janse Van Rensburg, J (Jayden) 2 2.0 2 0 0 100.0 979.3 425.0 1404.3 View list
2 107077207 Bailie, S (Shea) 1 1.0 1 0 0 100.0 857.9 425.0 1282.9 View list
3 1050099234 Albrecht, E (Eben) 1 1.0 1 0 0 100.0 710.4 425.0 1135.4 View list
4 1060111970 Bezuidenhout, A (Anru) 1 1.0 1 0 0 100.0 1049.4 425.0 1474.4 View list
5 108069745 Beelders, A (Andrew) 1 1.0 1 0 0 100.0 756.4 425.0 1181.4 View list
6 107088028 Cass, M (Micheal) 1 1.0 1 0 0 100.0 749.6 425.0 1174.6 View list
7 206088651 Bothma, L (Liandri) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
8 109095323 Grobler, DDI (Donovan Denzel Izak) 1 1.0 1 0 0 100.0 1079.9 425.0 1504.9 View list
9 1060096801 Greyling, D (Duncan) 1 1.0 1 0 0 100.0 710.4 425.0 1135.4 View list
10 207069582 Fyfe, J (Jenna) 1 1.0 1 0 0 100.0 749.6 425.0 1174.6 View list
11 208073206 Fauconier, A (Amber) 1 1.0 1 0 0 100.0 1048.4 425.0 1473.4 View list
12 206077174 Dyason, N (Nicola) 1 1.0 1 0 0 100.0 1049.4 425.0 1474.4 View list
13 1080101046 Lotter, B (Berno) 1 1.0 1 0 0 100.0 761.2 425.0 1186.2 View list
14 207094814 Ncube, L (Latoya) 1 1.0 1 0 0 100.0 1048.4 425.0 1473.4 View list
15 108089379 Olivier, J (Juvandre) 1 1.0 1 0 0 100.0 749.6 425.0 1174.6 View list
16 1060101113 Posthumus, R (Ruan) 1 1.0 1 0 0 100.0 1049.4 425.0 1474.4 View list
17 2070102034 Rossouw, A (Alicia) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
18 108093911 Rothmann, WR (Willem Ruwan) 1 1.0 1 0 0 100.0 979.3 425.0 1404.3 View list
19 108086800 Sebetola, MP (Masiyele) 1 1.0 1 0 0 100.0 756.4 425.0 1181.4 View list
20 108090828 Strydom, K (Keanu) 1 1.0 1 0 0 100.0 761.2 425.0 1186.2 View list