Player Page

Koen, D (Dave)
Dob: 2005/03/04 (U20)
Gender: Male
Chess SA id: 1050149089
FIDE id:
Region: ZF Mgcawu (NZF)
Citizen: RSA
Title(s):
Last active: 2023/10/14 (203 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 rating1119.4
Curent Weighted rating1150.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1150.3
Current floor (min rating allowed)683.1
Current highest rating achieved1183.1
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)±186.0
Current Raw change used (final)0.0
Projected new Raw rating1119.4
Projected new Weighed rating1146.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1146.5
Projected effective change (new Official - current Official)-3.8
Projected new highest rating1183.1
Projected new floor683.1
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 rating1099.2
Curent Weighted rating1138.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1138.0
Current floor (min rating allowed)679.2
Current highest rating achieved1179.2
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)±191.4
Current Raw change used (final)0.0
Projected new Raw rating1099.2
Projected new Weighed rating1133.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1133.1
Projected effective change (new Official - current Official)-4.8
Projected new highest rating1179.2
Projected new floor679.2
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 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
2 Paarl Boys High Chess Festival 2023 (2nd Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 1.0 1183.1 1179.2 Analysis
1 Grey College Team Championship 2023 (B) 2023/02/03 2023/02/04 Mangaung (FMB) Standard 60 0.83 5 5 2.0 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 11 3 0 8 3.0 27.3 -193.2 1192.9 999.7
White 5 2 0 3 2.0 40.0 -85.0 1220.0 1135.0
Black 6 1 0 5 1.0 16.7 -283.3 1170.2 886.9
Standard All 11 3 0 8 3.0 27.3 -193.2 1192.9 999.7
White 5 2 0 3 2.0 40.0 -85.0 1220.0 1135.0
Black 6 1 0 5 1.0 16.7 -283.3 1170.2 886.9
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 1070149101 Mopedi, K (Karabo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1080142230 Oberholster, G (Guilliaume Albertus J) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1090134710 Steyn, D (De La Rey) 1 1.0 1 0 0 100.0 1183.1 425.0 1608.1 View list
4 1080137718 Windvogel, A (Adrianno) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
5 2080102789 Van Wyk, M (Malienke) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
6 1070151313 Share, C (Charles) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
7 1080162690 Seboa, A (Ayaan) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
8 1060136972 Plaat, M (Meldriego) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1090137196 Msuku, K (Kyle) 1 0.0 0 0 1 0.0 1183.1 -425.0 758.1 View list
10 1060149100 Molotsi, K (Kopano) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1080149093 Mafela, T (Tshiamo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list