Chess South Africa
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Chess South Africa
Coertzen, W (Wihan)
Dob:
2007/08/27 (U18)
Gender:
Male
Chess SA id:
1070153489
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2024/02/16 (106 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
1167.0
Curent Weighted rating
1188.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1188.6
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)
±173.8
Current Raw change used (final)
0.0
Projected new Raw rating
1167.0
Projected new Weighed rating
1186.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1186.5
Projected effective change (new Official - current Official)
-2.1
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
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
1092.7
Curent Weighted rating
1151.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1151.4
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)
±193.2
Current Raw change used (final)
0.0
Projected new Raw rating
1092.7
Projected new Weighed rating
1145.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.4
Projected effective change (new Official - current Official)
-6.0
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Bloemfontein High School League 16 February 2024 (U17A)
2024/02/16
2024/02/16
Mangaung (FMB)
Rapid
15
0.39
5
5
0.0
1197.6
1173.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Bloemfontein High School League 16 February 2024 (U17A)
2024/02/16
2024/02/16
Mangaung (FMB)
Rapid
15
0.39
5
5
0.0
1197.6
1173.0
Analysis
1
Bloemfontein Highschool League 24 Feb 2023 (U17)
2023/02/24
2023/02/24
Mangaung (FMB)
Rapid
17
0.42
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
0
0
5
0.0
0.0
-425.0
1260.4
835.4
White
3
0
0
3
0.0
0.0
-425.0
1251.4
826.4
Black
2
0
0
2
0.0
0.0
-425.0
1274.0
849.0
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
5
0
0
5
0.0
0.0
-425.0
1260.4
835.4
White
3
0
0
3
0.0
0.0
-425.0
1251.4
826.4
Black
2
0
0
2
0.0
0.0
-425.0
1274.0
849.0
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
9
2
0
7
2.0
22.2
-236.1
1217.8
981.7
White
5
1
0
4
1.0
20.0
-255.0
1232.1
977.1
Black
4
1
0
3
1.0
25.0
-212.5
1199.9
987.4
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
9
2
0
7
2.0
22.2
-236.1
1217.8
981.7
White
5
1
0
4
1.0
20.0
-255.0
1232.1
977.1
Black
4
1
0
3
1.0
25.0
-212.5
1199.9
987.4
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
1020132498
Pitso, T (Tsebo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1070153504
Venter, C (Christopher)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1080111367
Van Niekerk, A (Adrian)
1
0.0
0
0
1
0.0
1197.6
-425.0
772.6
View list
4
207061418
Pretorius, A (Ane)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
209092636
Moalusi, P (Palesa)
1
0.0
0
0
1
0.0
1197.6
-425.0
772.6
View list
6
207064253
Melville, J (Joalize)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1070119327
Gerber, M (Michar)
1
0.0
0
0
1
0.0
1197.6
-425.0
772.6
View list
8
1080144688
Bodenstein, D (Dian)
1
0.0
0
0
1
0.0
1197.6
-425.0
772.6
View list
9
1080136977
Ahmed, K (Konain)
1
0.0
0
0
1
0.0
1197.6
-425.0
772.6
View list