Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Oosthuizen, R (Ruwan)
Dob:
2010/12/22 (U16)
Gender:
Male
Chess SA id:
1100149261
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2023/05/26 (397 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
1553.6
Current Weighted rating
1501.9
Current Weighted performance
1342.6
Current official/published rating (highest between Raw, WR and WP)
1553.6
Current highest rating achieved
1553.6
Current floor (min rating allowed)
1053.6
Current K-factor
32
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)
±100.2
Current Raw change used (final)
0.0
Projected new Raw rating
1553.6
Projected new Weighed rating
1387.9
Projected new Weighted performance
1342.6
Projected new final Raw rating (if new WP > new Raw)
1553.6
Projected new highest rating
1553.6
Projected new floor
1053.6
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1553.6
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
1552.7
Current Weighted rating
1503.5
Current Weighted performance
1342.6
Current official/published rating (highest between Raw, WR and WP)
1552.7
Current highest rating achieved
1552.7
Current floor (min rating allowed)
1052.7
Current K-factor
32
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)
±100.3
Current Raw change used (final)
0.0
Projected new Raw rating
1552.7
Projected new Weighed rating
1389.3
Projected new Weighted performance
1342.6
Projected new final Raw rating (if new WP > new Raw)
1552.7
Projected new highest rating
1552.7
Projected new floor
1052.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1552.7
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
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)
±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
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Gauteng Schools Individual Finals 2023 (U13 Boys)
2023/05/26
2023/05/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1352.4
1378.2
Analysis
4
D2 Schools Individuals 2023 (U13 Boys)
2023/05/13
2023/05/13
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1352.4
1378.2
Analysis
3
West Rand Juniors 2023 (U14)
2023/03/18
2023/03/18
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1329.1
1355.2
Analysis
2
WR Tournament and Coaching 2023 (U14)
2023/02/25
2023/02/25
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
1
2023 West Rand Open (U14)
2023/02/04
2023/02/04
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
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
21
0
4
21.0
84.0
289.0
1274.3
1563.3
White
14
13
0
1
13.0
92.9
364.3
1280.8
1645.1
Black
11
8
0
3
8.0
72.7
193.2
1266.0
1459.1
Standard
All
25
21
0
4
21.0
84.0
289.0
1274.3
1563.3
White
14
13
0
1
13.0
92.9
364.3
1280.8
1645.1
Black
11
8
0
3
8.0
72.7
193.2
1266.0
1459.1
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
1110135845
Tibane, H (Hanyani)
2
2.0
2
0
0
100.0
1276.2
425.0
1701.2
View list
2
1110115390
Jonker, R (Reagan)
2
2.0
2
0
0
100.0
1276.2
425.0
1701.2
View list
3
1110140225
De Wet, K (Kai)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
4
1100150831
Baburam, K (Kailum)
2
1.0
1
0
1
50.0
1264.5
0.0
1264.5
View list
5
1110140227
Human, H (Hanno)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1100149259
Hearn, D (Dario)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1110152502
Grieve, R (Rayden)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
8
1110140226
Fourie, JM (Johannes Marthinus)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
9
111009119
Esterhuizen, JL (Janco)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
10
1100111138
Akker, D (Dylan)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
11
1110155364
Ndebele, L (Lwandle)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
12
1100152507
Mitchell, D (Daine)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
13
1100152506
Menyatsoe, T (Tshepo)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
14
2100152505
Menyatsoe, R (Refiloe)
1
1.0
1
0
0
100.0
1329.1
425.0
1754.1
View list
15
1100156269
Mbatha, S (Sandile)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
16
1130135848
Magagula, N (Nkosingiphile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1100156262
Kaloo, Z (Zaakir)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
18
1100155376
Windroel, O (Otsile)
1
1.0
1
0
0
100.0
1352.4
425.0
1777.4
View list
19
1110145788
Rademeyer, F (Frederick Paul)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1120136689
Kalimashe, T (Tshireletso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list