Chess South Africa
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Chess South Africa
Dirks, R (Ryan)
Dob:
2012/01/12 (U14)
Gender:
Male
Chess SA id:
1120110490
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/07/20 (106 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
1240.9
Current Weighted rating
1241.1
Current Weighted performance
1116.7
Current official/published rating (highest between Raw, WR and WP)
1241.1
Current highest rating achieved
1306.8
Current floor (min rating allowed)
806.8
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)
±156.4
Current Raw change used (final)
0.0
Projected new Raw rating
1240.9
Projected new Weighed rating
1141.8
Projected new Weighted performance
1116.7
Projected new final Raw rating (if new WP > new Raw)
1240.9
Projected new highest rating
1306.8
Projected new floor
806.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1240.9
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
1175.3
Current Weighted rating
1181.6
Current Weighted performance
1007.7
Current official/published rating (highest between Raw, WR and WP)
1181.6
Current highest rating achieved
1280.0
Current floor (min rating allowed)
780.0
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)
±171.8
Current Raw change used (final)
0.0
Projected new Raw rating
1175.3
Projected new Weighed rating
1087.0
Projected new Weighted performance
1007.7
Projected new final Raw rating (if new WP > new Raw)
1175.3
Projected new highest rating
1280.0
Projected new floor
780.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1175.3
Projected effective change (new Official - current Official)
-6.3
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
1306.4
Current Weighted rating
1315.4
Current Weighted performance
1148.6
Current official/published rating (highest between Raw, WR and WP)
1315.4
Current highest rating achieved
1359.4
Current floor (min rating allowed)
859.4
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)
±142.5
Current Raw change used (final)
0.0
Projected new Raw rating
1306.4
Projected new Weighed rating
1209.4
Projected new Weighted performance
1148.6
Projected new final Raw rating (if new WP > new Raw)
1306.4
Projected new highest rating
1359.4
Projected new floor
859.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1306.4
Projected effective change (new Official - current Official)
-9.0
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
3
1.0
1246.6
1182.5
Analysis
3
Bo-Weskus Skole Skaak Top Skole 2024 (O13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1232.3
1287.0
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1245.5
1320.5
Analysis
1
Bo-Weskus Skole Prestige 2024 (O13 Seuns)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1236.6
1327.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
21
Pedro Booyse Top Schools Championships 2024 (U13)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
3
1.0
1246.6
1182.5
Analysis
20
Bo-Weskus Skole Skaak Top Skole 2024 (O13)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1232.3
1287.0
Analysis
19
West Coast Schools Chess Prestige Championships 2024 (U13 Boys)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1245.5
1320.5
Analysis
18
Bo-Weskus Skole Prestige 2024 (O13 Seuns)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1236.6
1327.7
Analysis
17
Pedro Booyse Top Schools 2023 (U13)
2023/07/29
2023/07/29
West Coast (WCU)
Standard
60
0.83
5
5
2.0
1255.1
1201.2
Analysis
16
Upper West Coast Top Schools Championship 2023 (U13)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
5
2.5
1261.8
1359.4
Analysis
15
Western Cape PS Individuals 2023 (U11 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1256.4
1181.8
Analysis
14
Bo-Weskus Skole Prestige 2023 (O11 Seuns)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
4
3.0
1237.8
1348.6
Analysis
13
West Coast Schools Chess Grand Challenge 2022 (PS Super)
2022/10/29
2022/10/29
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1225.5
1355.4
Analysis
12
Western Cape Top Schools 2022 (U11 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1256.0
1213.1
Analysis
11
Pedro Booyse Top Schools 2022 (U11 Open)
2022/07/23
2022/07/23
West Coast (WCU)
Standard
60
0.83
6
6
2.0
1306.8
1265.3
Analysis
10
Bo-Weskus Top Skole 2022 (O11)
2022/06/11
2022/06/11
West Coast (WCU)
Rapid
30
0.60
5
4
4.0
1274.6
1273.8
Analysis
9
Western Cape Schools 2022 (U11 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
3.0
1274.6
1258.8
Analysis
8
West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys)
2022/04/23
2022/04/23
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1262.9
1237.1
Analysis
7
West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys)
2022/04/09
2022/04/09
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1262.9
1237.1
Analysis
6
Bo Weskus Skole Skaak Prestige (O11 Seuns)
2022/03/19
2022/03/19
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1256.6
1215.1
Analysis
5
West Coast Schools Prestige 2020 (U9 Boys)
2020/03/07
2020/03/07
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1250.3
1200.0
Analysis
4
Bo-Weskus Skole Prestige 2020 (O9 Seuns)
2020/02/15
2020/02/15
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1220.7
1229.6
Analysis
3
Western Cape Schools Individuals 2019 (U7 Boys)
2019/05/18
2019/05/19
Eden District (WEG)
Standard
60
0.83
6
6
2.0
1259.8
1280.0
Analysis
2
Weskus Skole Prestige Skaak Kampioenskappe 2019 (O7 Seuns)
2019/03/02
2019/04/06
West Coast (WCU)
Standard
60
0.83
6
6
5.0
1200.0
1200.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
18
9
0
9
9.0
50.0
0.0
1252.1
1252.1
White
9
6
0
3
6.0
66.7
141.7
1233.8
1375.5
Black
9
3
0
6
3.0
33.3
-141.7
1270.4
1128.8
Standard
All
3
1
0
2
1.0
33.3
-141.7
1325.4
1183.8
White
1
1
0
0
1.0
100.0
425.0
1215.8
1640.8
Black
2
0
0
2
0.0
0.0
-425.0
1380.3
955.3
Rapid
All
15
8
0
7
8.0
53.3
28.3
1237.5
1265.8
White
8
5
0
3
5.0
62.5
106.3
1236.1
1342.3
Black
7
3
0
4
3.0
42.9
-60.7
1239.0
1178.3
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
106
58
1
47
58.5
55.2
44.1
1226.2
1270.3
White
54
32
1
21
32.5
60.2
86.6
1228.4
1315.0
Black
52
26
0
26
26.0
50.0
0.0
1224.0
1224.0
Standard
All
49
24
0
25
24.0
49.0
-8.7
1236.0
1227.3
White
26
15
0
11
15.0
57.7
65.4
1239.8
1305.2
Black
23
9
0
14
9.0
39.1
-92.4
1231.6
1139.2
Rapid
All
57
34
1
22
34.5
60.5
89.5
1217.9
1307.4
White
28
17
1
10
17.5
62.5
106.3
1217.8
1324.0
Black
29
17
0
12
17.0
58.6
73.3
1218.0
1291.3
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
1120110478
Maletta, S (Sherevitho)
4
4.0
4
0
0
100.0
1224.4
425.0
1649.4
View list
2
1110143078
Huysamen, L (Luca)
3
3.0
3
0
0
100.0
1296.1
425.0
1721.1
View list
3
1120139043
Klaasens, J (Jermaine)
3
2.0
2
0
1
66.7
1257.1
141.7
1398.8
View list
4
2110131943
Sikhondo, N (Nevilene)
3
1.0
1
0
2
33.3
1254.0
-141.7
1112.3
View list
5
1110131959
Pieters, A (Angelo)
3
0.0
0
0
3
0.0
1250.4
-425.0
825.4
View list
6
1120110485
De Vries, G (Gustav)
2
2.0
2
0
0
100.0
1228.3
425.0
1653.3
View list
7
1110131950
Bowden, R (Ryan)
2
2.0
2
0
0
100.0
1241.3
425.0
1666.3
View list
8
1120192549
Hollenbach, S (Stiaan)
2
2.0
2
0
0
100.0
1241.0
425.0
1666.0
View list
9
1120139107
Swartbooi, J (Jc)
2
2.0
2
0
0
100.0
1250.3
425.0
1675.3
View list
10
111078591
Nel, F (Fourie)
2
1.5
1
1
0
75.0
1256.0
212.5
1468.5
View list
11
111090533
Ruiters, T (Thomlin)
2
1.0
1
0
1
50.0
1210.3
0.0
1210.3
View list
12
1110131947
Bester, J (Juandre)
2
0.0
0
0
2
0.0
1253.4
-425.0
828.4
View list
13
1110099725
Cloete, K (Kayden)
2
0.0
0
0
2
0.0
1241.8
-425.0
816.8
View list
14
1110139098
Diergaardt, M (Maczayn)
2
0.0
0
0
2
0.0
1306.8
-425.0
881.8
View list
15
1120110483
Nel, N (Nicholas)
2
0.0
0
0
2
0.0
1229.9
-425.0
804.9
View list
16
1110306304
Oortman, C (Christiano)
2
0.0
0
0
2
0.0
1241.6
-425.0
816.6
View list
17
1120142258
Wearing, S (Shae)
2
0.0
0
0
2
0.0
1306.8
-425.0
881.8
View list
18
1130137102
Du Preez, C (Christiaan)
1
1.0
1
0
0
100.0
1256.4
425.0
1681.4
View list
19
1120192542
Arendse, E (Ethane)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
20
1110110520
Cloete, J (Jordan)
1
1.0
1
0
0
100.0
1220.7
425.0
1645.7
View list