Chess South Africa
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Chess South Africa
Roos, D (Dehan)
Dob:
2007/01/01 (U18)
Gender:
Male
Chess SA id:
107089547
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2020/02/08 (1564 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
1180.1
Curent Weighted rating
1180.1
Curent Weighted performance
529.3
Current official/published rating (highest between Raw, WR and WP)
1180.1
Current floor (min rating allowed)
680.1
Current highest rating achieved
1180.1
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)
±170.6
Current Raw change used (final)
0.0
Projected new Raw rating
1180.1
Projected new Weighed rating
1180.1
Projected new Weighted performance
529.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1180.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1180.1
Projected new floor
680.1
Projected new K-facor
40
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
1136.1
Curent Weighted rating
1136.1
Curent Weighted performance
480.2
Current official/published rating (highest between Raw, WR and WP)
1136.1
Current floor (min rating allowed)
640.1
Current highest rating achieved
1140.1
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)
±181.6
Current Raw change used (final)
0.0
Projected new Raw rating
1136.1
Projected new Weighed rating
1136.1
Projected new Weighted performance
480.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1136.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1140.1
Projected new floor
640.1
Projected new K-facor
40
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
955.4
Curent Weighted rating
955.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
955.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
955.4
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)
±234.9
Current Raw change used (final)
0.0
Projected new Raw rating
955.4
Projected new Weighed rating
955.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
955.4
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
955.4
Projected new floor
500.0
Projected new K-facor
40
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
632.2
Curent Weighted rating
632.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
632.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
632.2
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)
±372.4
Current Raw change used (final)
0.0
Projected new Raw rating
632.2
Projected new Weighed rating
632.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
632.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
632.2
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
Cape Winelands Schools Trials 1 2020 (U13 Boys)
2020/02/08
2020/02/08
Cape Winelands (WCW)
Rapid
30
0.60
6
6
4.0
1154.4
814.6
Analysis
13
OCF Chess Tournament 2 2020 (U14)
2020/02/01
2020/02/01
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1154.4
1140.1
Analysis
12
2019 South African Junior Team Championships (U14E)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
5.5
1080.4
1061.7
Analysis
11
Stellenberg Youth Chess Championship 2019 (B)
2019/04/30
2019/05/01
Cape Town (WCT)
Standard
60
0.83
6
6
1.5
1112.3
1091.0
Analysis
10
Cape Winelands Open 2019 (B)
2019/04/27
2019/04/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1035.8
967.6
Analysis
9
Steinitz Chess Festival 2019 (C)
2019/04/05
2019/04/07
Cape Town (WCT)
Standard
70
0.87
6
3
2.0
1035.8
967.6
Analysis
8
Cape Winelands Schools Closed 2019 (U13 Boys)
2019/03/16
2019/03/17
Cape Winelands (WCW)
Standard
60
0.83
7
7
3.0
1013.9
855.0
Analysis
7
CW Schools Open 2019 (U13 Boys)
2019/02/02
2019/02/02
Cape Winelands (WCW)
Rapid
30
0.60
6
6
3.0
1000.7
724.6
Analysis
6
Western Cape Top Schools 2018 (U11 Mix)
2018/08/25
2018/08/26
Overberg (WOS)
Standard
60
0.83
5
4
3.0
911.5
789.8
Analysis
5
Cape Winelands Schools Chess - Top Schools 2018 (U9+U11 Mix)
2018/07/28
2018/07/28
Cape Winelands (WCW)
Rapid
30
0.60
5
4
2.0
811.6
666.2
Analysis
4
Stellenberg Youth Chess Champs 2018 (C)
2018/06/22
2018/06/23
Cape Town (WCT)
Standard
60
0.83
6
6
1.0
854.1
843.0
Analysis
3
Crossroads Open Chess Championship 2018 (C)
2018/04/27
2018/04/29
Cape Town (WCT)
Standard
120
1.00
6
6
4.0
709.3
700.6
Analysis
2
Cape Winelands Schools Prestige 2018 (U11 Boys)
2018/03/24
2018/03/25
Cape Winelands (WCW)
Standard
60
0.83
7
7
3.0
632.2
632.2
Analysis
1
Cape Winelands Schools Trials 1 2018 (U11 Boys)
2018/03/03
2018/03/03
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.0
632.2
632.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
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
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
78
37
2
39
38.0
48.7
-10.9
1088.4
1077.5
White
40
17
2
21
18.0
45.0
-42.5
1071.5
1029.0
Black
38
20
0
18
20.0
52.6
22.4
1106.3
1128.6
Standard
All
56
26
2
28
27.0
48.2
-15.2
1091.8
1076.6
White
29
10
2
17
11.0
37.9
-102.6
1086.9
984.3
Black
27
16
0
11
16.0
59.3
78.7
1097.1
1175.8
Rapid
All
22
11
0
11
11.0
50.0
0.0
1079.8
1079.8
White
11
7
0
4
7.0
63.6
115.9
1030.8
1146.7
Black
11
4
0
7
4.0
36.4
-115.9
1128.8
1012.9
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
107086599
Titus, L (Lucien)
2
2.0
2
0
0
100.0
632.2
425.0
1057.2
View list
2
1060108629
Kirchner, K (Keenan)
2
1.0
1
0
1
50.0
1007.3
0.0
1007.3
View list
3
208088220
Afonso, IS (Isabella)
1
1.0
1
0
0
100.0
854.1
425.0
1279.1
View list
4
1060108635
Bester, J (Jayden)
1
1.0
1
0
0
100.0
1000.7
425.0
1425.7
View list
5
1070132333
Dampies, C (Chriss-Lynn)
1
1.0
1
0
0
100.0
1154.4
425.0
1579.4
View list
6
1070108643
Compion, R (Renier)
1
1.0
1
0
0
100.0
1000.7
425.0
1425.7
View list
7
1060112262
Elshafay, M (Markus)
1
1.0
1
0
0
100.0
1035.8
425.0
1460.8
View list
8
107087110
Du Plessis, S (Stefan)
1
1.0
1
0
0
100.0
911.5
425.0
1336.5
View list
9
1060111375
Buys, R (Reynard)
1
1.0
1
0
0
100.0
1013.9
425.0
1438.9
View list
10
1070132331
Boonzaaier, L (Logan)
1
1.0
1
0
0
100.0
1154.4
425.0
1579.4
View list
11
1070097081
Fortuin, R (Robin)
1
1.0
1
0
0
100.0
632.2
425.0
1057.2
View list
12
1070100613
Gabriels, J (Jawon)
1
1.0
1
0
0
100.0
1154.4
425.0
1579.4
View list
13
1070108640
Gardner, S (Sulayman)
1
1.0
1
0
0
100.0
1013.9
425.0
1438.9
View list
14
207090606
Gcuze, K (Khanya)
1
1.0
1
0
0
100.0
911.5
425.0
1336.5
View list
15
2070101940
Grobler, C (Chanelle)
1
1.0
1
0
0
100.0
1035.8
425.0
1460.8
View list
16
107078343
Kadir, A (Ameer)
1
1.0
1
0
0
100.0
632.2
425.0
1057.2
View list
17
104082184
Kleynhans, T (Teon)
1
1.0
1
0
0
100.0
1035.8
425.0
1460.8
View list
18
1070130336
Mark, O (Odigie)
1
1.0
1
0
0
100.0
1154.4
425.0
1579.4
View list
19
106078280
Mocke, C (Christiaan)
1
1.0
1
0
0
100.0
1013.9
425.0
1438.9
View list
20
2070109781
Naicker, MK (Mahalia Khanya)
1
1.0
1
0
0
100.0
1080.4
425.0
1505.4
View list