Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Roolvink, F (Ferdinand)
Dob:
1969/10/24 (Adult)
Gender:
Male
Chess SA id:
1690306036
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (169 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
1170.1
Current Weighted rating
1189.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1189.0
Current highest rating achieved
1170.1
Current floor (min rating allowed)
670.1
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)
±173.0
Current Raw change used (final)
0.0
Projected new Raw rating
1170.1
Projected new Weighed rating
1093.5
Projected new Weighted performance
301.1
Projected new final Raw rating (if new WP > new Raw)
1170.1
Projected new highest rating
1170.1
Projected new floor
670.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.1
Projected effective change (new Official - current Official)
-18.9
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
1164.0
Current Weighted rating
1186.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1186.8
Current highest rating achieved
1164.0
Current floor (min rating allowed)
664.0
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)
±174.5
Current Raw change used (final)
0.0
Projected new Raw rating
1164.0
Projected new Weighed rating
1091.4
Projected new Weighted performance
301.1
Projected new final Raw rating (if new WP > new Raw)
1164.0
Projected new highest rating
1164.0
Projected new floor
664.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1164.0
Projected effective change (new Official - current Official)
-22.8
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
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)
±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
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
FIDE in the West 2024 (Open)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
3
0.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
FIDE in the West 2024 (Open)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
3
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
3
0
0
3
0.0
0.0
-425.0
1383.9
958.9
White
2
0
0
2
0.0
0.0
-425.0
1379.3
954.3
Black
1
0
0
1
0.0
0.0
-425.0
1393.0
968.0
Standard
All
3
0
0
3
0.0
0.0
-425.0
1383.9
958.9
White
2
0
0
2
0.0
0.0
-425.0
1379.3
954.3
Black
1
0
0
1
0.0
0.0
-425.0
1393.0
968.0
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
3
0
0
3
0.0
0.0
-425.0
1383.9
958.9
White
2
0
0
2
0.0
0.0
-425.0
1379.3
954.3
Black
1
0
0
1
0.0
0.0
-425.0
1393.0
968.0
Standard
All
3
0
0
3
0.0
0.0
-425.0
1383.9
958.9
White
2
0
0
2
0.0
0.0
-425.0
1379.3
954.3
Black
1
0
0
1
0.0
0.0
-425.0
1393.0
968.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
158034859
Sithole, ML (Mfanimpela)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
2
198067832
Mngadi, L (Linda)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1950147791
Chichava, B (Bongani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
