Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1119.4
Curent Weighted rating
1150.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1150.3
Current floor (min rating allowed)
683.1
Current highest rating achieved
1183.1
Current K-factor
40
Games played this month
0
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 rating
1119.4
Projected new Weighed rating
1146.5
Projected new Weighted performance
0.0
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 rating
1183.1
Projected new floor
683.1
Projected new K-facor
40
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 rating
1099.2
Curent Weighted rating
1138.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1138.0
Current floor (min rating allowed)
679.2
Current highest rating achieved
1179.2
Current K-factor
40
Games played this month
0
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 rating
1099.2
Projected new Weighed rating
1133.1
Projected new Weighted performance
0.0
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 rating
1179.2
Projected new floor
679.2
Projected new K-facor
40
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 rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
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 rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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 rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
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 rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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