Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Koen, E (Etienne)
Dob:
1985/03/07 (Adult)
Gender:
Male
Chess SA id:
1850307332
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/07/13 (65 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
1229.8
Current Weighted rating
1204.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1229.8
Current highest rating achieved
1229.8
Current floor (min rating allowed)
729.8
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)
±158.9
Current Raw change used (final)
0.0
Projected new Raw rating
1229.8
Projected new Weighed rating
1108.5
Projected new Weighted performance
421.7
Projected new final Raw rating (if new WP > new Raw)
1229.8
Projected new highest rating
1229.8
Projected new floor
729.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1229.8
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
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
1238.8
Current Weighted rating
1206.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1238.8
Current highest rating achieved
1238.8
Current floor (min rating allowed)
738.8
Current K-factor
36
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)
±156.9
Current Raw change used (final)
0.0
Projected new Raw rating
1238.8
Projected new Weighed rating
1109.8
Projected new Weighted performance
443.9
Projected new final Raw rating (if new WP > new Raw)
1238.8
Projected new highest rating
1238.8
Projected new floor
738.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1238.8
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Curro Durbanville Chess Rapid Open 2024 (Parent)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
4.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Curro Durbanville Chess Rapid Open 2024 (Parent)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
6
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
4
0
2
4.0
66.7
141.7
1220.2
1361.9
White
3
2
0
1
2.0
66.7
141.7
1240.7
1382.4
Black
3
2
0
1
2.0
66.7
141.7
1199.7
1341.4
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
6
4
0
2
4.0
66.7
141.7
1220.2
1361.9
White
3
2
0
1
2.0
66.7
141.7
1240.7
1382.4
Black
3
2
0
1
2.0
66.7
141.7
1199.7
1341.4
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
4
0
2
4.0
66.7
141.7
1220.2
1361.9
White
3
2
0
1
2.0
66.7
141.7
1240.7
1382.4
Black
3
2
0
1
2.0
66.7
141.7
1199.7
1341.4
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
6
4
0
2
4.0
66.7
141.7
1220.2
1361.9
White
3
2
0
1
2.0
66.7
141.7
1240.7
1382.4
Black
3
2
0
1
2.0
66.7
141.7
1199.7
1341.4
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
1780143635
Weideman, J (Jaco)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2820307337
Venter, A (Alida)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1750099542
Van Heerden, A (Ashley John)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1810307334
Muizenheimer, G (Gary)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1850307330
Blom, C (Carl)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1670158283
Van Der Spuy, L (Lambert Petrus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
