Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Roos, M (Marko)
Dob:
2006/06/12 (U20)
Gender:
Male
Chess SA id:
106065545
FIDE id:
Region:
Lejweleputswa (FLW)
Citizen:
RSA
Title(s):
Last active:
2019/01/26 (1978 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
1086.5
Current Weighted rating
1086.5
Current Weighted performance
320.9
Current official/published rating (highest between Raw, WR and WP)
1086.5
Current highest rating achieved
1086.5
Current floor (min rating allowed)
586.5
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)
±194.9
Current Raw change used (final)
0.0
Projected new Raw rating
1086.5
Projected new Weighed rating
999.6
Projected new Weighted performance
320.9
Projected new final Raw rating (if new WP > new Raw)
1086.5
Projected new highest rating
1086.5
Projected new floor
586.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1086.5
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
1082.0
Current Weighted rating
1082.0
Current Weighted performance
320.9
Current official/published rating (highest between Raw, WR and WP)
1082.0
Current highest rating achieved
1082.0
Current floor (min rating allowed)
582.0
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)
±196.2
Current Raw change used (final)
0.0
Projected new Raw rating
1082.0
Projected new Weighed rating
995.4
Projected new Weighted performance
320.9
Projected new final Raw rating (if new WP > new Raw)
1082.0
Projected new highest rating
1082.0
Projected new floor
582.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1082.0
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
592.4
Current Weighted rating
592.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
592.4
Current highest rating achieved
592.4
Current floor (min rating allowed)
500.0
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)
±394.1
Current Raw change used (final)
0.0
Projected new Raw rating
592.4
Projected new Weighed rating
545.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
592.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
592.4
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
592.4
Current Weighted rating
592.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
592.4
Current highest rating achieved
592.4
Current floor (min rating allowed)
500.0
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)
±394.1
Current Raw change used (final)
0.0
Projected new Raw rating
592.4
Projected new Weighed rating
545.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
592.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
592.4
Projected effective change (new Official - current Official)
=0.0
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
6
Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (D)
2019/01/26
2019/01/26
Lejweleputswa (FLW)
Standard
62
0.84
5
5
5.0
954.8
952.4
Analysis
5
Lejweleputswa 1st Qualifier 2019 (U14)
2018/10/27
2018/10/27
Lejweleputswa (FLW)
Standard
62
0.84
5
5
4.0
713.9
736.4
Analysis
4
Inter Regional 2018 (U14 Individual)
2018/05/04
2018/05/05
Frances Baard (NCF)
Standard
60
0.83
5
5
2.0
652.5
666.8
Analysis
3
Lejweleputswa 5th Qualifying Swiss Open Tournament 2018 (U14)
2018/04/21
2018/04/21
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
615.9
620.8
Analysis
2
Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14)
2018/02/24
2018/02/24
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
616.9
621.6
Analysis
1
Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (D)
2018/01/27
2018/01/27
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.5
592.4
592.4
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
30
17
1
12
17.5
58.3
70.8
900.0
970.8
White
16
11
0
5
11.0
68.8
159.4
922.1
1081.5
Black
14
6
1
7
6.5
46.4
-30.4
874.7
844.3
Standard
All
30
17
1
12
17.5
58.3
70.8
900.0
970.8
White
16
11
0
5
11.0
68.8
159.4
922.1
1081.5
Black
14
6
1
7
6.5
46.4
-30.4
874.7
844.3
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
108076496
Mogaecho, TB (Tshiamo)
2
2.0
2
0
0
100.0
773.6
425.0
1198.6
View list
2
1060095986
Mziki, L (Litha)
2
1.0
1
0
1
50.0
664.9
0.0
664.9
View list
3
106089857
Brand, J (Joshua)
1
1.0
1
0
0
100.0
713.9
425.0
1138.9
View list
4
106089851
Botha, S (Shaun)
1
1.0
1
0
0
100.0
954.8
425.0
1379.8
View list
5
207083552
Bonthuyzen, L (Lize)
1
1.0
1
0
0
100.0
954.8
425.0
1379.8
View list
6
206049645
Jacobs, D (Dane)
1
1.0
1
0
0
100.0
954.8
425.0
1379.8
View list
7
106076077
Makhele, H (Hloni)
1
1.0
1
0
0
100.0
616.9
425.0
1041.9
View list
8
206089850
Letsitsa, G (Grace)
1
1.0
1
0
0
100.0
615.9
425.0
1040.9
View list
9
105092209
Leqela, T (Teboho)
1
1.0
1
0
0
100.0
616.9
425.0
1041.9
View list
10
2070107040
Mbobo, M (Mbali)
1
1.0
1
0
0
100.0
713.9
425.0
1138.9
View list
11
105086974
Matikaan, J (Jacques)
1
1.0
1
0
0
100.0
652.5
425.0
1077.5
View list
12
109089849
Michalakis, S (Stylianos)
1
1.0
1
0
0
100.0
954.8
425.0
1379.8
View list
13
110089871
Michalakis, S (Stefanos)
1
1.0
1
0
0
100.0
592.4
425.0
1017.4
View list
14
1060098828
Bam, A (Antonio)
1
1.0
1
0
0
100.0
652.5
425.0
1077.5
View list
15
106066059
Pillay, D (Deeyan)
1
1.0
1
0
0
100.0
713.9
425.0
1138.9
View list
16
2060107043
Setai, T (Tshoanelo)
1
1.0
1
0
0
100.0
713.9
425.0
1138.9
View list
17
108083554
Van Biljon, H (Hanre)
1
0.5
0
1
0
50.0
592.4
0.0
592.4
View list
18
105065981
Minnaar, E (Ethan)
1
0.0
0
0
1
0.0
652.5
-425.0
227.5
View list
19
205068071
Michalakis, G (Gina)
1
0.0
0
0
1
0.0
616.9
-425.0
191.9
View list
20
105083560
Masuku, M (Mxolosi)
1
0.0
0
0
1
0.0
615.9
-425.0
190.9
View list