Player Page

Koen, E (Eerhard)
Dob: 2008/03/20 (U18)
Gender: Male
Chess SA id: 1080301951
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (29 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 rating1219.2
Curent Weighted rating1201.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1219.2
Current floor (min rating allowed)719.2
Current highest rating achieved1219.2
Current K-factor36
Games played this month6
Score (S)1.0
Expected score (We)2.59
Difference (S-We)-1.59
Current Raw change (no limits, including tournament time weight)-30.9
Current min/max change allowed (with limits)±161.3
Current Raw change used (final)-30.9
Projected new Raw rating1188.3
Projected new Weighed rating1200.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.5
Projected effective change (new Official - current Official)-18.7
Projected new highest rating1219.2
Projected new floor719.2
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 achieved0.0
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)±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 rating0.0
Projected new floor700.0
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 rating1230.4
Curent Weighted rating1202.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1230.4
Current floor (min rating allowed)730.4
Current highest rating achieved1230.4
Current K-factor36
Games played this month6
Score (S)1.0
Expected score (We)2.96
Difference (S-We)-1.96
Current Raw change (no limits, including tournament time weight)-70.6
Current min/max change allowed (with limits)±158.8
Current Raw change used (final)-70.6
Projected new Raw rating1159.8
Projected new Weighed rating1199.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.1
Projected effective change (new Official - current Official)-31.3
Projected new highest rating1230.4
Projected new floor730.4
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)730.4
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor730.4
Projected new K-facor40
Tournaments
Tournament: Cape Town Junior League - Qualifier 2 2024 (U18)
Start: 2024/04/20  End: 2024/04/20  Host: WCT  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 6
Games: 6  Score: 1.0
Main rating: 1219.2  Rating gain/loss: -30.9
Type rating: 1230.4  Rating gain/loss: -70.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Cape Town Junior League - Qualifier 2 2024 (U18) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 1.0 1219.2 1230.4 Analysis
1 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 4 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Cape Town Junior League - Qualifier 2 2024 (U18) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 6 1.0 1219.2 1230.4 Analysis
1 Cape Town Junior League Qualifier 2024 (U18 Open) 2024/04/06 2024/04/06 Cape Town (WCT) Rapid 25 0.54 6 4 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 2 4 4 4.0 40.0 -85.0 1245.0 1160.0
White 6 2 0 4 2.0 33.3 -141.7 1297.1 1155.4
Black 4 0 4 0 2.0 50.0 0.0 1166.8 1166.8
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 10 2 4 4 4.0 40.0 -85.0 1245.0 1160.0
White 6 2 0 4 2.0 33.3 -141.7 1297.1 1155.4
Black 4 0 4 0 2.0 50.0 0.0 1166.8 1166.8
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 10 2 4 4 4.0 40.0 -85.0 1245.0 1160.0
White 6 2 0 4 2.0 33.3 -141.7 1297.1 1155.4
Black 4 0 4 0 2.0 50.0 0.0 1166.8 1166.8
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 10 2 4 4 4.0 40.0 -85.0 1245.0 1160.0
White 6 2 0 4 2.0 33.3 -141.7 1297.1 1155.4
Black 4 0 4 0 2.0 50.0 0.0 1166.8 1166.8
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 2080301949 Cronje, T (Taytan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1080162366 Craig, C (Connor) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1100193317 Ndau, J (Joel) 1 0.5 0 1 0 50.0 1219.2 0.0 1219.2 View list
4 1100147483 Mhlatywa, I (Inathi) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
5 1080157942 Koegelenberg, U (Ulrich) 1 0.5 0 1 0 50.0 1219.2 0.0 1219.2 View list
6 1060191463 Roux, T (Tarquin) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
7 1100109057 Tsabola, B (Bright) 1 0.0 0 0 1 0.0 1219.2 -425.0 794.2 View list
8 106094668 Steele, A (Aiden) 1 0.0 0 0 1 0.0 1219.2 -425.0 794.2 View list
9 1080152861 Nkohla, T (Tsho-Sanda Hlumile) 1 0.0 0 0 1 0.0 1219.2 -425.0 794.2 View list
10 2070150247 Caeser, W (Waynika) 1 0.0 0 0 1 0.0 1219.2 -425.0 794.2 View list