Chess South Africa
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Chess South Africa
Ndaba, R (Ryan)
Dob:
2005/12/18 (U20)
Gender:
Male
Chess SA id:
1050113926
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2022/08/26 (660 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
1108.3
Current Weighted rating
1108.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1108.4
Current highest rating achieved
1140.8
Current floor (min rating allowed)
640.8
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)
±189.0
Current Raw change used (final)
0.0
Projected new Raw rating
1108.3
Projected new Weighed rating
1019.6
Projected new Weighted performance
327.6
Projected new final Raw rating (if new WP > new Raw)
1108.3
Projected new highest rating
1140.8
Projected new floor
640.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1108.3
Projected effective change (new Official - current Official)
-0.1
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
1145.6
Current Weighted rating
1145.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1145.8
Current highest rating achieved
1145.6
Current floor (min rating allowed)
645.6
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)
±179.2
Current Raw change used (final)
0.0
Projected new Raw rating
1145.6
Projected new Weighed rating
1054.0
Projected new Weighted performance
253.3
Projected new final Raw rating (if new WP > new Raw)
1145.6
Projected new highest rating
1145.6
Projected new floor
645.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.6
Projected effective change (new Official - current Official)
-0.2
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
1120.0
Current Weighted rating
1120.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1120.0
Current highest rating achieved
1120.0
Current floor (min rating allowed)
620.0
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)
±185.8
Current Raw change used (final)
0.0
Projected new Raw rating
1120.0
Projected new Weighed rating
1030.4
Projected new Weighted performance
97.8
Projected new final Raw rating (if new WP > new Raw)
1120.0
Projected new highest rating
1120.0
Projected new floor
620.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1120.0
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
2
2022 Gauteng Schools Team Championships (U19 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1140.8
1200.0
Analysis
1
Gauteng D9 Finals 2019 (U15 Boys)
2019/05/18
2019/05/18
Johannesburg Metro (GJM)
Rapid
45
0.74
5
5
1.0
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
10
2
0
8
2.0
20.0
-255.0
1148.4
893.4
White
6
0
0
6
0.0
0.0
-425.0
1114.0
689.0
Black
4
2
0
2
2.0
50.0
0.0
1200.0
1200.0
Standard
All
5
1
0
4
1.0
20.0
-255.0
1236.8
981.8
White
3
0
0
3
0.0
0.0
-425.0
1261.4
836.4
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Rapid
All
5
1
0
4
1.0
20.0
-255.0
1060.0
805.0
White
3
0
0
3
0.0
0.0
-425.0
966.7
541.7
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
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
1060146125
Mokgothu, L (Lehlohonolo)
1
1.0
1
0
0
100.0
1140.8
425.0
1565.8
View list
2
1060113945
Bambi, A (Aaron)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1040146132
Ncube, J (Junior)
1
0.0
0
0
1
0.0
1140.8
-425.0
715.8
View list
4
1050113948
Mogale, N (Ntsako)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
207079080
Lodi, I (Isagoentle)
1
0.0
0
0
1
0.0
1140.8
-425.0
715.8
View list
6
1040113942
Lebethe, O (Omphile)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
106053294
Fritz, GPJ (Georg)
1
0.0
0
0
1
0.0
1140.8
-425.0
715.8
View list
8
1060113947
Dikangwane, L (Lesego)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
105090642
Chikana, TJ (Thato Junior)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1040146108
Burdette, K (Kyle)
1
0.0
0
0
1
0.0
1140.8
-425.0
715.8
View list