Chess South Africa
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Chess South Africa
Serdyn, W (Willem)
Dob:
2013/01/10 (U12)
Gender:
Male
Chess SA id:
1130161521
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/08/17 (48 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
1184.6
Current Weighted rating
1191.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1191.3
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)
±169.5
Current Raw change used (final)
0.0
Projected new Raw rating
1184.6
Projected new Weighed rating
1095.8
Projected new Weighted performance
601.4
Projected new final Raw rating (if new WP > new Raw)
1184.6
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)
1184.6
Projected effective change (new Official - current Official)
-6.7
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
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
1179.1
Current Weighted rating
1184.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1184.7
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±170.8
Current Raw change used (final)
0.0
Projected new Raw rating
1179.1
Projected new Weighed rating
1089.6
Projected new Weighted performance
633.0
Projected new final Raw rating (if new WP > new Raw)
1179.1
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)
1179.1
Projected effective change (new Official - current Official)
-5.6
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Stellenbosch Primary 2024 (U11)
2024/08/17
2024/08/17
Cape Winelands (WCW)
Rapid
30
0.60
5
5
2.0
1190.9
1182.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Stellenbosch Primary 2024 (U11)
2024/08/17
2024/08/17
Cape Winelands (WCW)
Rapid
30
0.60
5
5
2.0
1190.9
1182.7
Analysis
1
Stellenbosch Primary Chess Tournament 2023 (U12)
2023/08/19
2023/08/19
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1219.3
1134.3
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
0
0
3
0.0
0.0
-425.0
1232.2
807.2
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
2
0
3
2.0
40.0
-85.0
1219.3
1134.3
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
0
0
3
0.0
0.0
-425.0
1232.2
807.2
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
4
1
6
4.5
40.9
-77.3
1214.7
1137.5
White
5
4
0
1
4.0
80.0
255.0
1211.3
1466.3
Black
6
0
1
5
0.5
8.3
-354.2
1217.6
863.4
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
11
4
1
6
4.5
40.9
-77.3
1214.7
1137.5
White
5
4
0
1
4.0
80.0
255.0
1211.3
1466.3
Black
6
0
1
5
0.5
8.3
-354.2
1217.6
863.4
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
1120161368
Nkosinathi, L (Lukhele)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2120140737
Rossouw, A (Anja)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2130309963
Geldenhuys, L (Lily)
1
1.0
1
0
0
100.0
1190.9
425.0
1615.9
View list
4
1130309961
Bronkhorst, C (Cornell)
1
1.0
1
0
0
100.0
1190.9
425.0
1615.9
View list
5
1130156893
Calvert, C (Caylim)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1130156913
Schoeman, A (Alexander)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1140156885
Philander, L (Liam)
1
0.0
0
0
1
0.0
1190.9
-425.0
765.9
View list
8
1130140698
Kuypers, P (Parker)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1130150131
Janse Van Rensburg, T (Tj)
1
0.0
0
0
1
0.0
1190.9
-425.0
765.9
View list
10
1120145663
Els, J (Josua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1140149824
Conradie, J (Johandre)
1
0.0
0
0
1
0.0
1190.9
-425.0
765.9
View list
