Player Page

Koen, SM (Susan Maria)
Dob: 2003/03/11 (Adult)
Gender: Female
Chess SA id: 203060624
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/08/24 (1730 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 rating1042.1
Curent Weighted rating1042.1
Curent Weighted performance412.0
Current official/published rating (highest between Raw, WR and WP)1042.1
Current floor (min rating allowed)542.1
Current highest rating achieved1042.1
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)±207.6
Current Raw change used (final)0.0
Projected new Raw rating1042.1
Projected new Weighed rating1042.1
Projected new Weighted performance412.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1042.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1042.1
Projected new floor542.1
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 rating1039.7
Curent Weighted rating1039.7
Curent Weighted performance411.0
Current official/published rating (highest between Raw, WR and WP)1039.7
Current floor (min rating allowed)539.7
Current highest rating achieved1039.7
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)±208.4
Current Raw change used (final)0.0
Projected new Raw rating1039.7
Projected new Weighed rating1039.7
Projected new Weighted performance411.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1039.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1039.7
Projected new floor539.7
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 rating780.2
Curent Weighted rating780.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)780.2
Current floor (min rating allowed)500.0
Current highest rating achieved785.0
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)±301.6
Current Raw change used (final)0.0
Projected new Raw rating780.2
Projected new Weighed rating780.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)780.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating785.0
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 rating780.2
Curent Weighted rating780.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)780.2
Current floor (min rating allowed)500.0
Current highest rating achieved785.0
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)±301.6
Current Raw change used (final)0.0
Projected new Raw rating780.2
Projected new Weighed rating780.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)780.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating785.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 2019 Gauteng School League Finals (U19 Girls) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1008.2 1027.4 Analysis
11 2019 D15 Tshwane West Schools League Final (Secondary Schools) 2019/08/17 2019/08/17 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1008.2 1027.4 Analysis
10 2019 Gauteng Secondary Schools Individual Chess Championships (U18 Girls) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 919.5 922.6 Analysis
9 2019 D15 Individual Finals (U18 Girls) 2019/05/11 2019/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 919.5 922.6 Analysis
8 2018 Gauteng Secondary Schools Individual Chess Championships (U15 Girls) 2018/05/26 2018/05/26 Tshwane (GTP) Standard 60 0.83 5 5 2.0 893.5 897.8 Analysis
7 Hervormde Kerk 2018 (U18) 2018/04/21 2018/04/21 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 2.5 838.6 845.5 Analysis
6 JNW Club - Trinityhouse Randpark Ridge Open 2018 (C) 2018/03/24 2018/03/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 782.1 795.4 Analysis
5 2018 D15 Tshwane West Schools League Finals (U15 Girls) 2018/03/17 2018/03/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 782.1 795.4 Analysis
4 2018 Blou Bul Open (D) 2018/02/17 2018/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 672.5 656.2 Analysis
3 2018 Constantia Park Open (D) 2018/02/10 2018/02/10 Tshwane (GTP) Standard 60 0.83 5 5 4.0 672.5 656.2 Analysis
2 2018 Tshwane Registration Open Chess Tournament (D) 2018/01/27 2018/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 780.2 780.2 Analysis
1 South African Junior Team Championships 2017 (U16-U20 Girls) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 780.2 780.2 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 59 28 1 30 28.5 48.3 -14.4 924.6 910.2
White 30 13 1 16 13.5 45.0 -42.5 987.1 944.6
Black 29 15 0 14 15.0 51.7 14.7 860.1 874.7
Standard All 59 28 1 30 28.5 48.3 -14.4 924.6 910.2
White 30 13 1 16 13.5 45.0 -42.5 987.1 944.6
Black 29 15 0 14 15.0 51.7 14.7 860.1 874.7
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 203090433 Khoza, C (Cathrine) 2 2.0 2 0 0 100.0 850.8 425.0 1275.8 View list
2 2020115182 Maubane, B (Bontle) 2 1.0 1 0 1 50.0 963.9 0.0 963.9 View list
3 203028153 Nonyana, G (Gloria) 2 0.0 0 0 2 0.0 850.8 -425.0 425.8 View list
4 109086534 Erlank, BG (Brandon) 1 1.0 1 0 0 100.0 780.2 425.0 1205.2 View list
5 106076003 Dvir, O (Omer) 1 1.0 1 0 0 100.0 672.5 425.0 1097.5 View list
6 101093474 Du Toit, C (Conrad) 1 1.0 1 0 0 100.0 672.5 425.0 1097.5 View list
7 202077967 Dlamini, N (Nompumelelo) 1 1.0 1 0 0 100.0 919.5 425.0 1344.5 View list
8 2040102611 Dladla, S (Sphesihle) 1 1.0 1 0 0 100.0 893.5 425.0 1318.5 View list
9 208071873 Chinoruma, T (Tawana) 1 1.0 1 0 0 100.0 782.1 425.0 1207.1 View list
10 1030100247 Brink, HM (Hartogh) 1 1.0 1 0 0 100.0 838.6 425.0 1263.6 View list
11 109088372 Gruenenfelder, W (Werni) 1 1.0 1 0 0 100.0 672.5 425.0 1097.5 View list
12 209073138 Johnstone, J (Jessica) 1 1.0 1 0 0 100.0 672.5 425.0 1097.5 View list
13 104047329 Gumede, D (Dumisane) 1 1.0 1 0 0 100.0 838.6 425.0 1263.6 View list
14 103065870 Kahts, D (Daniel-Lee) 1 1.0 1 0 0 100.0 672.5 425.0 1097.5 View list
15 203078166 April, C (Conique) 1 1.0 1 0 0 100.0 780.2 425.0 1205.2 View list
16 2030115335 Kuba, L (Lebohang) 1 1.0 1 0 0 100.0 919.5 425.0 1344.5 View list
17 2040099167 Lesele, T (Tshwanelo Bianca) 1 1.0 1 0 0 100.0 782.1 425.0 1207.1 View list
18 205093690 Mahlangu, B (Boitumelo) 1 1.0 1 0 0 100.0 1008.2 425.0 1433.2 View list
19 1030117755 Malatjie, R (Refentse) 1 1.0 1 0 0 100.0 1008.2 425.0 1433.2 View list
20 2030115333 Mannzhi, S (Shudufhadzo) 1 1.0 1 0 0 100.0 919.5 425.0 1344.5 View list