Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Marais, D (Dewandre)
Dob:
2005/03/12 (U20)
Gender:
Male
Chess SA id:
1050300775
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/03/22 (247 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
1208.0
Current Weighted rating
1204.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1208.0
Current highest rating achieved
1208.0
Current floor (min rating allowed)
708.0
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)
±163.9
Current Raw change used (final)
0.0
Projected new Raw rating
1208.0
Projected new Weighed rating
1108.2
Projected new Weighted performance
667.9
Projected new final Raw rating (if new WP > new Raw)
1208.0
Projected new highest rating
1208.0
Projected new floor
708.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.0
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
1203.2
Current Weighted rating
1201.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1203.2
Current highest rating achieved
1203.2
Current floor (min rating allowed)
703.2
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)
±165.1
Current Raw change used (final)
0.0
Projected new Raw rating
1203.2
Projected new Weighed rating
1105.7
Projected new Weighted performance
667.9
Projected new final Raw rating (if new WP > new Raw)
1203.2
Projected new highest rating
1203.2
Projected new floor
703.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1203.2
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
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
2
Western Cape HS Individuals Championship 2024 (U20 Boys+Girls)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.0
1200.0
1200.0
Analysis
1
Eden School Chess Trials 1 2024 (U20 Mix)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Western Cape HS Individuals Championship 2024 (U20 Boys+Girls)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
2.0
1200.0
1200.0
Analysis
1
Eden School Chess Trials 1 2024 (U20 Mix)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
5
1
5
5.5
50.0
0.0
1221.4
1221.4
White
6
3
1
2
3.5
58.3
70.8
1242.3
1313.2
Black
5
2
0
3
2.0
40.0
-85.0
1196.3
1111.3
Standard
All
11
5
1
5
5.5
50.0
0.0
1221.4
1221.4
White
6
3
1
2
3.5
58.3
70.8
1242.3
1313.2
Black
5
2
0
3
2.0
40.0
-85.0
1196.3
1111.3
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
11
5
1
5
5.5
50.0
0.0
1221.4
1221.4
White
6
3
1
2
3.5
58.3
70.8
1242.3
1313.2
Black
5
2
0
3
2.0
40.0
-85.0
1196.3
1111.3
Standard
All
11
5
1
5
5.5
50.0
0.0
1221.4
1221.4
White
6
3
1
2
3.5
58.3
70.8
1242.3
1313.2
Black
5
2
0
3
2.0
40.0
-85.0
1196.3
1111.3
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
1050193112
Fourie, S (Shane)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
2
2060193111
Cremer, L (Leah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1050151329
Geel, R (Ruan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
105078148
Botha, J (Jonathan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1050193177
Langhtrey, B (Brentiano)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1080109888
Van Wyk, J (Jonathan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1060193113
Mitchell, C (Cayden)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1050108214
Lose, L (Luvo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
106088313
De Lange, G (Gebhart)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1060118499
Claassen, R (Ruwaldo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
