Chess South Africa
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Chess South Africa
Donald, R (Ryan)
Dob:
2005/11/08 (U20)
Gender:
Male
Chess SA id:
105053196
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (83 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
1397.1
Curent Weighted rating
1387.8
Curent Weighted performance
1143.0
Current official/published rating (highest between Raw, WR and WP)
1397.1
Current floor (min rating allowed)
897.1
Current highest rating achieved
1397.1
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)
±125.2
Current Raw change used (final)
0.0
Projected new Raw rating
1397.1
Projected new Weighed rating
1389.0
Projected new Weighted performance
1143.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1397.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1397.1
Projected new floor
897.1
Projected new K-facor
36
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
1401.5
Curent Weighted rating
1394.9
Curent Weighted performance
1144.0
Current official/published rating (highest between Raw, WR and WP)
1401.5
Current floor (min rating allowed)
901.5
Current highest rating achieved
1401.5
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)
±124.4
Current Raw change used (final)
0.0
Projected new Raw rating
1401.5
Projected new Weighed rating
1395.9
Projected new Weighted performance
1144.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1401.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1401.5
Projected new floor
901.5
Projected new K-facor
32
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
963.6
Curent Weighted rating
963.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
963.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
963.6
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)
±232.2
Current Raw change used (final)
0.0
Projected new Raw rating
963.6
Projected new Weighed rating
963.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
963.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
963.6
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
928.0
Curent Weighted rating
928.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
928.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
928.0
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)
±244.3
Current Raw change used (final)
0.0
Projected new Raw rating
928.0
Projected new Weighed rating
928.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
928.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
928.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
2.5
1388.7
1396.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
23
Grey College Team Championship 2024 (A)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
5
2.5
1388.7
1396.8
Analysis
22
Grey College Team Championship 2023 (A)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
3.5
1365.1
1372.3
Analysis
21
Grey College Team Championship 2022 (B)
2022/02/18
2022/02/19
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1330.4
1329.8
Analysis
20
JNW Club - Junior A High School 2020
2020/03/07
2020/03/07
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1331.3
928.0
Analysis
19
JNW Club - Trinityhouse Randpark Ridge Open 2020 (B)
2020/02/22
2020/02/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1250.9
1252.2
Analysis
18
JNW Club - Bryanston Open1 2020 (B)
2020/02/01
2020/02/01
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1250.9
1252.2
Analysis
17
2019 South African Junior Team Championships (U16B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1232.5
1231.0
Analysis
16
JHB Metro Closed 2019 (U16)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.5
1208.5
1201.5
Analysis
15
JNW Club - Hoerskool Linden 2019 (B)
2019/06/15
2019/06/15
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.5
1244.4
1243.6
Analysis
14
JNW Club - Bryanston Open 2 2019 (B)
2019/05/11
2019/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1219.2
1228.8
Analysis
13
JNW Club - Trinityhouse Randpark Ridge Open 2019 (B)
2019/03/09
2019/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1188.0
1194.0
Analysis
12
South African Junior Team Championships 2018 (U14A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1135.0
1131.6
Analysis
11
2018 Tshwane Inter Region (U14D)
2018/12/01
2018/12/01
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1135.0
1131.6
Analysis
10
JHB Metro Junior Closed 2018 (U14)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
4.5
1072.3
1071.4
Analysis
9
2018 Swartkop Open (C)
2018/06/23
2018/06/23
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1034.1
1040.0
Analysis
8
2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
992.9
976.0
Analysis
7
D10 Schools Individuals 2018 (U13 Boys)
2018/05/18
2018/05/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
992.9
976.0
Analysis
6
JNW Club - Bryanston Open 2 2018 (B)
2018/05/05
2018/05/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
992.9
976.0
Analysis
5
JNW Club - Linden Open 2018 (B)
2018/04/14
2018/04/14
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
983.9
959.6
Analysis
4
JNW Club - Trinityhouse Randpark Ridge Open 2018 (B)
2018/03/24
2018/03/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
1084.5
1080.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
1
2
2.5
50.0
0.0
1430.6
1430.6
White
2
2
0
0
2.0
100.0
425.0
1340.5
1765.5
Black
3
0
1
2
0.5
16.7
-283.3
1490.7
1207.3
Standard
All
5
2
1
2
2.5
50.0
0.0
1430.6
1430.6
White
2
2
0
0
2.0
100.0
425.0
1340.5
1765.5
Black
3
0
1
2
0.5
16.7
-283.3
1490.7
1207.3
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
119
52
23
44
63.5
53.4
28.6
1203.4
1232.0
White
58
26
12
20
32.0
55.2
44.0
1193.3
1237.3
Black
61
26
11
24
31.5
51.6
13.9
1212.9
1226.9
Standard
All
114
50
23
41
61.5
53.9
33.6
1194.7
1228.3
White
56
26
12
18
32.0
57.1
60.7
1179.6
1240.3
Black
58
24
11
23
29.5
50.9
7.3
1209.4
1216.7
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1401.0
1316.0
White
2
0
0
2
0.0
0.0
-425.0
1579.3
1154.3
Black
3
2
0
1
2.0
66.7
141.7
1282.1
1423.8
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
105039730
Van Deventer, WG (Wilrich)
7
2.5
1
3
3
35.7
1135.7
-121.4
1014.2
View list
2
106073248
Allison, LM (Liam)
3
0.5
0
1
2
16.7
1218.2
-283.3
934.8
View list
3
174024421
Molefe, S (Sandile)
2
2.0
2
0
0
100.0
1034.2
425.0
1459.2
View list
4
105044908
Xiao, R (Ryan)
2
2.0
2
0
0
100.0
1130.2
425.0
1555.2
View list
5
105059737
Smith, R (Reuben)
2
1.5
1
1
0
75.0
1198.3
212.5
1410.8
View list
6
181076100
Potgieter, ST (St)
2
1.0
1
0
1
50.0
1178.3
0.0
1178.3
View list
7
108073208
Steyn, T (Tjaart)
2
1.0
1
0
1
50.0
1250.9
0.0
1250.9
View list
8
105054349
Wang, I (Ikai)
2
1.0
1
0
1
50.0
1232.7
0.0
1232.7
View list
9
203043153
Woest, M (Megan)
2
1.0
1
0
1
50.0
1247.7
0.0
1247.7
View list
10
105049483
Nair, M (Mayaskar)
2
0.5
0
1
1
25.0
1231.8
-212.5
1019.3
View list
11
108076196
Potgieter, E (Edward)
2
0.0
0
0
2
0.0
1034.2
-425.0
609.2
View list
12
102050919
Van Der Westhuizen, J (Javier)
2
0.0
0
0
2
0.0
1216.2
-425.0
791.2
View list
13
105006947
De Wet, J (Juan)
1
1.0
1
0
0
100.0
1135.0
425.0
1560.0
View list
14
100006931
De Wet, CJ (Christiaan)
1
1.0
1
0
0
100.0
1105.6
425.0
1530.6
View list
15
106003263
Bouwer, ER (Evan)
1
1.0
1
0
0
100.0
1135.0
425.0
1560.0
View list
16
106059902
Bopape, M (Morokwe)
1
1.0
1
0
0
100.0
1072.3
425.0
1497.3
View list
17
106067324
Aldum, R (Rocco)
1
1.0
1
0
0
100.0
1135.0
425.0
1560.0
View list
18
1060136982
Brink, E (Edwill)
1
1.0
1
0
0
100.0
1330.4
425.0
1755.4
View list
19
104005961
Daniel, CV (Christiaan)
1
1.0
1
0
0
100.0
1232.5
425.0
1657.5
View list
20
1070103556
Budge, B (Benjamin)
1
1.0
1
0
0
100.0
1388.7
425.0
1813.7
View list