Chess South Africa
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Chess South Africa
Koen, C (Cj)
Dob:
2004/01/23 (Adult)
Gender:
Male
Chess SA id:
1040098121
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2022/03/05 (844 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
Current Raw rating
1047.4
Current Weighted rating
1047.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1047.4
Current highest rating achieved
1132.3
Current floor (min rating allowed)
632.3
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)
±206.1
Current Raw change used (final)
0.0
Projected new Raw rating
1047.4
Projected new Weighed rating
963.6
Projected new Weighted performance
489.8
Projected new final Raw rating (if new WP > new Raw)
1047.4
Projected new highest rating
1132.3
Projected new floor
632.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1047.4
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 rating
1094.0
Current Weighted rating
1094.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1094.0
Current highest rating achieved
1094.0
Current floor (min rating allowed)
594.0
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)
±192.8
Current Raw change used (final)
0.0
Projected new Raw rating
1094.0
Projected new Weighed rating
1006.5
Projected new Weighted performance
180.2
Projected new final Raw rating (if new WP > new Raw)
1094.0
Projected new highest rating
1094.0
Projected new floor
594.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1094.0
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 rating
1081.6
Current Weighted rating
1081.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1081.6
Current highest rating achieved
1085.6
Current floor (min rating allowed)
585.6
Current K-factor
40
s
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)
±196.3
Current Raw change used (final)
0.0
Projected new Raw rating
1081.6
Projected new Weighed rating
995.1
Projected new Weighted performance
419.5
Projected new final Raw rating (if new WP > new Raw)
1081.6
Projected new highest rating
1085.6
Projected new floor
585.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1081.6
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Cape Winelands Schools 2022 (U18 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
0.0
1119.1
1200.0
Analysis
3
Lanfeberg Schools Chess Trials 2022 (U18)
2022/02/26
2022/02/26
Cape Winelands (WCW)
Rapid
30
0.60
5
5
2.0
1118.6
1075.2
Analysis
2
Cape Winelands Schools Trials 1 2020 (U18 Boys)
2020/02/15
2020/02/15
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.0
1132.3
1085.6
Analysis
1
Strategema Club 2018 (U16)
2018/03/10
2018/03/10
Cape Winelands (WCW)
Rapid
30
0.60
5
4
0.0
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
20
4
0
16
4.0
20.0
-255.0
1161.4
906.4
White
11
1
0
10
1.0
9.1
-347.7
1185.3
837.6
Black
9
3
0
6
3.0
33.3
-141.7
1132.3
990.6
Standard
All
5
0
0
5
0.0
0.0
-425.0
1185.3
760.3
White
3
0
0
3
0.0
0.0
-425.0
1197.1
772.1
Black
2
0
0
2
0.0
0.0
-425.0
1167.8
742.8
Rapid
All
15
4
0
11
4.0
26.7
-198.3
1153.5
955.1
White
8
1
0
7
1.0
12.5
-318.8
1180.9
862.2
Black
7
3
0
4
3.0
42.9
-60.7
1122.1
1061.4
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
1050119379
De Wet, C (Christiaan)
2
1.0
1
0
1
50.0
1118.8
0.0
1118.8
View list
2
1030132403
Adolf, C (Clifford)
1
1.0
1
0
0
100.0
1132.3
425.0
1557.3
View list
3
1040133467
George, C (Cornelius)
1
1.0
1
0
0
100.0
1118.6
425.0
1543.6
View list
4
1040132413
Janse Van Rensburg, F (Frikkie)
1
1.0
1
0
0
100.0
1132.3
425.0
1557.3
View list
5
203060340
Giani, M (Mari)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1040101966
Van Zyl, C (Christie)
1
0.0
0
0
1
0.0
1119.1
-425.0
694.1
View list
7
1040132421
Swartz, D (Divido)
1
0.0
0
0
1
0.0
1132.3
-425.0
707.3
View list
8
1030132419
Pretorius, M (Marlin)
1
0.0
0
0
1
0.0
1132.3
-425.0
707.3
View list
9
1040098123
Philander, G (Gemon)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1020132417
Nel, K (Kyle)
1
0.0
0
0
1
0.0
1132.3
-425.0
707.3
View list
11
1050137725
Kuhn, J (John- Peter)
1
0.0
0
0
1
0.0
1118.6
-425.0
693.6
View list
12
1050132379
Kroutz, M (Monray)
1
0.0
0
0
1
0.0
1119.1
-425.0
694.1
View list
13
1050137723
Karelse, D (Diego)
1
0.0
0
0
1
0.0
1118.6
-425.0
693.6
View list
14
103068718
Francke, G (Gabriel)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1040097114
Fielies, A (Antonio)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
103049664
Esterhuizen, PN (Peter)
1
0.0
0
0
1
0.0
1132.3
-425.0
707.3
View list
17
105052368
Coetsee, JE (Johan)
1
0.0
0
0
1
0.0
1118.6
-425.0
693.6
View list
18
106087911
Benvenuto, O (Oscar)
1
0.0
0
0
1
0.0
1119.1
-425.0
694.1
View list
19
1060117674
Adams, M (Marlin)
1
0.0
0
0
1
0.0
1119.1
-425.0
694.1
View list