Player Page

Koen, E (Emma)
Dob: 2018/02/13 (U8)
Gender: Female
Chess SA id: 2180161835
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/07/28 (62 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
Current Raw rating1217.7
Current Weighted rating1198.7
Current Weighted performance1176.6
Current official/published rating (highest between Raw, WR and WP)1217.7
Current highest rating achieved1217.7
Current floor (min rating allowed)717.7
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)±161.7
Current Raw change used (final)0.0
Projected new Raw rating1217.7
Projected new Weighed rating1102.8
Projected new Weighted performance1176.6
Projected new final Raw rating (if new WP > new Raw)1217.7
Projected new highest rating1217.7
Projected new floor717.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1217.7
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1228.8
Current Weighted rating1201.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1228.8
Current highest rating achieved1228.8
Current floor (min rating allowed)728.8
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)±159.1
Current Raw change used (final)0.0
Projected new Raw rating1228.8
Projected new Weighed rating1105.1
Projected new Weighted performance1108.3
Projected new final Raw rating (if new WP > new Raw)1228.8
Projected new highest rating1228.8
Projected new floor728.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.8
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating1191.7
Current Weighted rating1198.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.7
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±167.8
Current Raw change used (final)0.0
Projected new Raw rating1191.7
Projected new Weighed rating1102.8
Projected new Weighted performance378.0
Projected new final Raw rating (if new WP > new Raw)1191.7
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1191.7
Projected effective change (new Official - current Official)-7.0
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 CT Metro District East Top Schools Chess 2024 (U9 Mixed) 2024/07/27 2024/07/28 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1206.0 1212.2 Analysis
4 Curro Durbanville Chess Rapid Open 2024 (Beginner) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 5 2.0 1206.0 1200.0 Analysis
3 Western Cape PS Individuals Championship 2024 (U7 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1176.4 1177.3 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 5 4 2.0 1168.3 1164.0 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 CT Metro District East Top Schools Chess 2024 (U9 Mixed) 2024/07/27 2024/07/28 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1206.0 1212.2 Analysis
4 Curro Durbanville Chess Rapid Open 2024 (Beginner) 2024/07/13 2024/07/13 Cape Town (WCT) Rapid 35 0.66 6 5 2.0 1206.0 1200.0 Analysis
3 Western Cape PS Individuals Championship 2024 (U7 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 4.0 1176.4 1177.3 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U7 Girls) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 5 4 2.0 1168.3 1164.0 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Girls) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 24 12 0 12 12.0 50.0 0.0 1211.7 1211.7
White 12 7 0 5 7.0 58.3 70.8 1193.4 1264.2
Black 12 5 0 7 5.0 41.7 -70.8 1230.0 1159.1
Standard All 19 10 0 9 10.0 52.6 22.4 1201.7 1224.0
White 10 6 0 4 6.0 60.0 85.0 1192.7 1277.7
Black 9 4 0 5 4.0 44.4 -47.2 1211.6 1164.3
Rapid All 5 2 0 3 2.0 40.0 -85.0 1249.8 1164.8
White 2 1 0 1 1.0 50.0 0.0 1196.8 1196.8
Black 3 1 0 2 1.0 33.3 -141.7 1285.2 1143.6
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 24 12 0 12 12.0 50.0 0.0 1211.7 1211.7
White 12 7 0 5 7.0 58.3 70.8 1193.4 1264.2
Black 12 5 0 7 5.0 41.7 -70.8 1230.0 1159.1
Standard All 19 10 0 9 10.0 52.6 22.4 1201.7 1224.0
White 10 6 0 4 6.0 60.0 85.0 1192.7 1277.7
Black 9 4 0 5 4.0 44.4 -47.2 1211.6 1164.3
Rapid All 5 2 0 3 2.0 40.0 -85.0 1249.8 1164.8
White 2 1 0 1 1.0 50.0 0.0 1196.8 1196.8
Black 3 1 0 2 1.0 33.3 -141.7 1285.2 1143.6
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 2170147533 Klopper, E (Elbe) 2 0.0 0 0 2 0.0 1172.3 -425.0 747.3 View list
2 2170191527 Kirthan, V (Venya) 2 0.0 0 0 2 0.0 1172.3 -425.0 747.3 View list
3 2170148873 Eiliyah, D (Drude) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
4 2170193022 De Swart, R (Rebecca) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
5 2120147460 Kennedy, L (Leah) 1 1.0 1 0 0 100.0 1206.0 425.0 1631.0 View list
6 1150151161 Human, L (Liam) 1 1.0 1 0 0 100.0 1206.0 425.0 1631.0 View list
7 2170193023 Hodgson, N (Neva) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
8 2170193334 Mashua, R (Rorisang) 1 1.0 1 0 0 100.0 1168.3 425.0 1593.3 View list
9 2170193024 Laws, K (Karabelo) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
10 2170193332 Baker, J (Jessica) 1 1.0 1 0 0 100.0 1168.3 425.0 1593.3 View list
11 2150307311 Arora, J (Jashan) 1 1.0 1 0 0 100.0 1206.0 425.0 1631.0 View list
12 2160162747 Arendse, M (Meekah) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 2150307931 Nkumanda, I (Iviwe) 1 1.0 1 0 0 100.0 1206.0 425.0 1631.0 View list
14 1140307936 Willemse, J (Jason) 1 1.0 1 0 0 100.0 1206.0 425.0 1631.0 View list
15 1120138611 Waldeck, A (Aaron) 1 0.0 0 0 1 0.0 1206.0 -425.0 781.0 View list
16 2150193471 Slabbert, C (Cara) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 2160193591 Ramonyaluoe, M (Madalitso) 1 0.0 0 0 1 0.0 1206.0 -425.0 781.0 View list
18 1130193601 Muizenheimer, S (Sebastian) 1 0.0 0 0 1 0.0 1206.0 -425.0 781.0 View list
19 2160193470 Mqhele, T (Tiara Ndalo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1150150112 Fourie, S (Steph) 1 0.0 0 0 1 0.0 1206.0 -425.0 781.0 View list