Player Page

Greyling, D (Duncan)
Dob: 2006/11/14 (U20)
Gender: Male
Chess SA id: 1060096801
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2020/01/08 (1593 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 rating1311.9
Curent Weighted rating1311.9
Curent Weighted performance570.8
Current official/published rating (highest between Raw, WR and WP)1311.9
Current floor (min rating allowed)893.3
Current highest rating achieved1393.3
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)±141.4
Current Raw change used (final)0.0
Projected new Raw rating1311.9
Projected new Weighed rating1311.9
Projected new Weighted performance570.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1311.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1393.3
Projected new floor893.3
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 rating1307.8
Curent Weighted rating1307.8
Curent Weighted performance569.1
Current official/published rating (highest between Raw, WR and WP)1307.8
Current floor (min rating allowed)886.6
Current highest rating achieved1386.6
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)±142.2
Current Raw change used (final)0.0
Projected new Raw rating1307.8
Projected new Weighed rating1307.8
Projected new Weighted performance569.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1307.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1386.6
Projected new floor886.6
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
19 2019 South African Junior Team Championships (U14B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 1393.3 1386.6 Analysis
18 GE vs GSV Inter Regional 2019 (U14A) 2019/10/26 2019/10/26 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1295.1 1290.2 Analysis
17 Springs Open 2019 (C) 2019/08/31 2019/08/31 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1156.6 1148.7 Analysis
16 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1156.6 1148.7 Analysis
15 Ekurhuleni Trials (3) 2019 (U14) 2019/06/08 2019/06/08 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1153.3 1143.9 Analysis
14 Ekurhuleni South School Chess 2019 (U13 Boys) 2019/05/11 2019/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1123.4 1104.7 Analysis
13 Ekurhuleni Trials 2 2019 (U14) 2019/04/27 2019/04/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1106.1 1079.1 Analysis
12 2018 Wild Card Chess Championships (U14 Open) 2018/12/21 2018/12/24 4 Knights (4K) Standard 120 1.00 7 7 2.0 1087.3 1085.1 Analysis
11 South African Junior Team Championships 2018 (U14E) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 7.0 1087.3 1085.1 Analysis
10 2018 Interregion Sedibeng vs Ekurhuleni (J) 2018/11/03 2018/11/03 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1023.9 1019.7 Analysis
9 Inter Region GE vs JHB Metro 2018 (U14E) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 4 3.0 953.8 952.0 Analysis
8 Ekurhuleni Open 2018 (C) 2018/08/18 2018/08/18 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 954.2 956.2 Analysis
7 Witfield Open 2018 (C) 2018/07/21 2018/07/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 895.1 869.4 Analysis
6 Boksburg Chess Club Open 2018 (U14) 2018/07/14 2018/07/14 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 895.1 869.4 Analysis
5 Ekurhuleni Trials 2 2018 (U14) 2018/04/21 2018/04/21 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 926.6 904.6 Analysis
4 Human Rights Day Open 2018 (C) 2018/03/21 2018/03/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1034.2 1034.2 Analysis
3 Ekurhuleni Trials 1 2018 (U14) 2018/03/10 2018/03/10 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 1034.2 1034.2 Analysis
2 Brakpan Open 2018 (C) 2018/02/24 2018/02/24 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
1 Elspark Open 2018 (C) 2018/02/10 2018/02/10 Ekurhuleni (GE) Standard 60 0.83 5 5 1.0 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 100 52 4 44 54.0 54.0 34.0 1031.1 1065.1
White 51 29 1 21 29.5 57.8 66.7 1031.3 1097.9
Black 49 23 3 23 24.5 50.0 0.0 1031.0 1031.0
Standard All 100 52 4 44 54.0 54.0 34.0 1031.1 1065.1
White 51 29 1 21 29.5 57.8 66.7 1031.3 1097.9
Black 49 23 3 23 24.5 50.0 0.0 1031.0 1031.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 206088003 Van Niekerk, LA (Lee Ann) 4 3.0 3 0 1 75.0 1058.8 212.5 1271.3 View list
2 105059135 Greyling, S (Schalk) 3 1.0 1 0 2 33.3 914.8 -141.7 773.1 View list
3 206088651 Bothma, L (Liandri) 2 2.0 2 0 0 100.0 1007.0 425.0 1432.0 View list
4 105093498 Arries, G (Gerswin) 2 2.0 2 0 0 100.0 1087.3 425.0 1512.3 View list
5 107065190 Jonker, J (Jaen-Pierre) 2 2.0 2 0 0 100.0 1225.8 425.0 1650.8 View list
6 106077636 Richards, E (Ezekiel) 2 2.0 2 0 0 100.0 1087.3 425.0 1512.3 View list
7 207076517 Sweeting, L (Leila) 2 1.0 1 0 1 50.0 1129.7 0.0 1129.7 View list
8 105075205 Van Rhyn, J (Josh) 2 1.0 1 0 1 50.0 1055.6 0.0 1055.6 View list
9 106078250 De Villiers, E (Ethan) 2 0.0 0 0 2 0.0 1240.3 -425.0 815.3 View list
10 106076510 Attwell, R (Rowan) 2 0.0 0 0 2 0.0 1117.1 -425.0 692.1 View list
11 106066123 Alho, M (Mario) 2 0.0 0 0 2 0.0 1078.8 -425.0 653.8 View list
12 105082260 Botha, M (Marcus) 1 1.0 1 0 0 100.0 953.8 425.0 1378.8 View list
13 207064249 Boje, C (Carissa) 1 1.0 1 0 0 100.0 1393.3 425.0 1818.3 View list
14 2080096803 Basson, P (Piper) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 107077207 Bailie, S (Shea) 1 1.0 1 0 0 100.0 1123.4 425.0 1548.4 View list
16 2070096337 Babusi, B (Rebaone) 1 1.0 1 0 0 100.0 1087.3 425.0 1512.3 View list
17 106092829 Ahrens, H (Heinrich) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
18 205004971 Cloete, E (Elsje) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
19 1070108325 Cilliers, R (Ruben) 1 1.0 1 0 0 100.0 1156.6 425.0 1581.6 View list
20 106092825 Arthur, T (Ty) 1 1.0 1 0 0 100.0 895.1 425.0 1320.1 View list