Player Page

Koch, E (Emma)
Dob: 2005/09/01 (U20)
Gender: Female
Chess SA id: 2050098004
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2018/07/28 (2309 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 rating991.0
Current Weighted rating991.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)991.0
Current highest rating achieved1038.8
Current floor (min rating allowed)538.8
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)±223.3
Current Raw change used (final)0.0
Projected new Raw rating991.0
Projected new Weighed rating911.7
Projected new Weighted performance111.6
Projected new final Raw rating (if new WP > new Raw)991.0
Projected new highest rating1038.8
Projected new floor538.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)991.0
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 rating1034.2
Current Weighted rating1034.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1034.2
Current highest rating achieved1034.2
Current floor (min rating allowed)534.2
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)±210.0
Current Raw change used (final)0.0
Projected new Raw rating1034.2
Projected new Weighed rating951.5
Projected new Weighted performance27.7
Projected new final Raw rating (if new WP > new Raw)1034.2
Projected new highest rating1034.2
Projected new floor534.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1034.2
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 rating977.6
Current Weighted rating977.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)977.6
Current highest rating achieved1062.8
Current floor (min rating allowed)562.8
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)±227.6
Current Raw change used (final)0.0
Projected new Raw rating977.6
Projected new Weighed rating899.4
Projected new Weighted performance106.6
Projected new final Raw rating (if new WP > new Raw)977.6
Projected new highest rating1062.8
Projected new floor562.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)977.6
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 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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Cape Winelands Schools Chess - Top Schools 2018 (U11+U13 Girls) 2018/07/28 2018/07/28 Cape Winelands (WCW) Rapid 30 0.60 3 3 0.0 1038.8 1059.6 Analysis
3 Rhenish Primary Chess Tournament 2018 (U14) 2018/05/12 2018/05/12 Cape Winelands (WCW) Rapid 30 0.60 7 7 3.0 1034.2 1062.8 Analysis
2 Cape Winelands Schools Prestige 2018 (U13 Girls) 2018/03/24 2018/03/25 Cape Winelands (WCW) Standard 60 0.83 7 6 1.0 1200.0 1200.0 Analysis
1 Cape Winelands Schools Trials 1 2018 (U13 Girls) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 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 22 5 0 17 5.0 22.7 -231.8 913.0 681.1
White 11 4 0 7 4.0 36.4 -115.9 935.4 819.5
Black 11 1 0 10 1.0 9.1 -347.7 890.6 542.8
Standard All 6 1 0 5 1.0 16.7 -283.3 687.1 403.8
White 3 1 0 2 1.0 33.3 -141.7 782.8 641.2
Black 3 0 0 3 0.0 0.0 -425.0 591.4 166.4
Rapid All 16 4 0 12 4.0 25.0 -212.5 997.7 785.2
White 8 3 0 5 3.0 37.5 -106.3 992.6 886.3
Black 8 1 0 7 1.0 12.5 -318.8 1002.8 684.0
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 1050101975 Hoffman, A (Aiden) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
2 206078296 Coetzee, L (Lenadia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1070101912 Matheson, A (Alexander) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
4 1040101966 Van Zyl, C (Christie) 1 1.0 1 0 0 100.0 1034.2 425.0 1459.2 View list
5 2050099583 Van Rooyen, B (Beulin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 2070101961 Veliso, A (Amyoli) 1 0.0 0 0 1 0.0 1038.8 -425.0 613.8 View list
7 205087301 Van Rooi, R (Riesel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1060096734 Samka, L (Lungile) 1 0.0 0 0 1 0.0 1034.2 -425.0 609.2 View list
9 205082160 Qolongile, S (Sinoxolo) 1 0.0 0 0 1 0.0 1038.8 -425.0 613.8 View list
10 2060098003 Pietersen, K (Katelin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 205082972 Pienaar, C (Claudine) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 2050101965 Narain, A (Arul) 1 0.0 0 0 1 0.0 1034.2 -425.0 609.2 View list
13 205078292 Muller, G (Gillian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 206082107 Mpukumpa, S (Sisanda) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1050101983 Lekay, J (Justin) 1 0.0 0 0 1 0.0 1034.2 -425.0 609.2 View list
16 105059025 Jeong, E (Eunwoo) 1 0.0 0 0 1 0.0 1034.2 -425.0 609.2 View list
17 206078295 Arries, TE (Tyra Elrihia) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 205083751 Appollis, C (Cindy) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 206083933 Hlakaza, O (Okuhle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 206072637 Godongwana, S (Somila) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list