Chess South Africa
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Chess South Africa
Mcdonald, S (Stefan)
Dob:
2007/03/20 (U18)
Gender:
Male
Chess SA id:
107052379
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2019/05/25 (1820 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
924.9
Curent Weighted rating
924.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
924.9
Current floor (min rating allowed)
500.0
Current highest rating achieved
982.0
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)
±245.4
Current Raw change used (final)
0.0
Projected new Raw rating
924.9
Projected new Weighed rating
924.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
924.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
982.0
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
918.4
Curent Weighted rating
918.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
918.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
990.4
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)
±247.7
Current Raw change used (final)
0.0
Projected new Raw rating
918.4
Projected new Weighed rating
918.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
918.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
990.4
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
874.0
Curent Weighted rating
874.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
874.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
874.0
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)
±263.8
Current Raw change used (final)
0.0
Projected new Raw rating
874.0
Projected new Weighed rating
874.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
874.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
874.0
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
823.2
Curent Weighted rating
823.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
823.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
823.2
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)
±283.6
Current Raw change used (final)
0.0
Projected new Raw rating
823.2
Projected new Weighed rating
823.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
823.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
823.2
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
5
2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
3
0.0
982.0
990.4
Analysis
4
2019 D3 Individuals (U13 Boys)
2019/04/13
2019/04/13
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
921.6
913.6
Analysis
3
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
903.8
823.2
Analysis
2
2018 D3 Tshwane North Individual Chess Championships (U11 Mixed)
2018/03/24
2018/03/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
856.0
856.0
Analysis
1
South African Junior Team Championships 2017 (U12B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
5.0
823.2
823.2
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
25
15
1
9
15.5
62.0
102.0
882.7
984.7
White
11
8
1
2
8.5
77.3
231.8
874.8
1106.6
Black
14
7
0
7
7.0
50.0
0.0
888.9
888.9
Standard
All
20
12
1
7
12.5
62.5
106.3
869.5
975.7
White
9
6
1
2
6.5
72.2
188.9
921.2
1110.1
Black
11
6
0
5
6.0
54.5
38.6
827.2
865.9
Rapid
All
5
3
0
2
3.0
60.0
85.0
935.4
1020.4
White
2
2
0
0
2.0
100.0
425.0
666.0
1091.0
Black
3
1
0
2
1.0
33.3
-141.7
1115.1
973.4
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
106078897
Schultz, R (Ryno)
1
1.0
1
0
0
100.0
903.8
425.0
1328.8
View list
2
107083549
Pillay, PJ (Palin)
1
1.0
1
0
0
100.0
823.2
425.0
1248.2
View list
3
206086842
Nkune, K (Kgaogelo)
1
1.0
1
0
0
100.0
823.2
425.0
1248.2
View list
4
105079483
Strydom, L (Lian)
1
1.0
1
0
0
100.0
903.8
425.0
1328.8
View list
5
106057176
Spokes, BA (Brogan)
1
1.0
1
0
0
100.0
921.6
425.0
1346.6
View list
6
105049634
Van Schalkwyk, O (Otto)
1
1.0
1
0
0
100.0
903.8
425.0
1328.8
View list
7
2070099948
Swele, AB (Agnes)
1
1.0
1
0
0
100.0
856.0
425.0
1281.0
View list
8
106068908
Grobler, N (Nicholis)
1
1.0
1
0
0
100.0
823.2
425.0
1248.2
View list
9
107088585
Grobler, JTW (Johannes Theodorus Wessel)
1
1.0
1
0
0
100.0
921.6
425.0
1346.6
View list
10
107084454
Fulat, F (Faheem)
1
1.0
1
0
0
100.0
856.0
425.0
1281.0
View list
11
1070099939
Heydenreich, E (Emile)
1
1.0
1
0
0
100.0
856.0
425.0
1281.0
View list
12
1060112672
De Goede, D (De La Rey)
1
1.0
1
0
0
100.0
921.6
425.0
1346.6
View list
13
106061688
Willemse, A (Alexandro)
1
1.0
1
0
0
100.0
823.2
425.0
1248.2
View list
14
107056226
Wilson, JV (Juan-Jacques)
1
1.0
1
0
0
100.0
823.2
425.0
1248.2
View list
15
1060099976
Wilson, P (Petrus Johannes)
1
1.0
1
0
0
100.0
921.6
425.0
1346.6
View list
16
107079475
De Beer, JP (Jan Petrus)
1
0.5
0
1
0
50.0
921.6
0.0
921.6
View list
17
107088698
Stubbs, M (Matthew)
1
0.0
0
0
1
0.0
823.2
-425.0
398.2
View list
18
106080256
Shange, NS (Njabulo Samukele)
1
0.0
0
0
1
0.0
982.0
-425.0
557.0
View list
19
108045082
Koning, L (Lehan)
1
0.0
0
0
1
0.0
856.0
-425.0
431.0
View list
20
1060109557
Hlongwane, S (Simphiwe)
1
0.0
0
0
1
0.0
982.0
-425.0
557.0
View list