Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Mattheys, C (Clyde)
Dob:
2007/10/22 (U18)
Gender:
Male
Chess SA id:
1070137715
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/10/28 (409 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
1113.6
Current Weighted rating
1118.0
Current Weighted performance
873.7
Current official/published rating (highest between Raw, WR and WP)
1118.0
Current highest rating achieved
1171.7
Current floor (min rating allowed)
671.7
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)
±187.5
Current Raw change used (final)
0.0
Projected new Raw rating
1113.6
Projected new Weighed rating
1028.0
Projected new Weighted performance
873.7
Projected new final Raw rating (if new WP > new Raw)
1113.6
Projected new highest rating
1171.7
Projected new floor
671.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1113.6
Projected effective change (new Official - current Official)
-4.4
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
1136.4
Current Weighted rating
1141.1
Current Weighted performance
925.9
Current official/published rating (highest between Raw, WR and WP)
1141.1
Current highest rating achieved
1178.4
Current floor (min rating allowed)
678.4
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)
±181.5
Current Raw change used (final)
0.0
Projected new Raw rating
1136.4
Projected new Weighed rating
1049.6
Projected new Weighted performance
925.9
Projected new final Raw rating (if new WP > new Raw)
1136.4
Projected new highest rating
1178.4
Projected new floor
678.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1136.4
Projected effective change (new Official - current Official)
-4.7
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
1092.0
Current Weighted rating
1095.2
Current Weighted performance
830.5
Current official/published rating (highest between Raw, WR and WP)
1095.2
Current highest rating achieved
1144.4
Current floor (min rating allowed)
644.4
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)
±193.4
Current Raw change used (final)
0.0
Projected new Raw rating
1092.0
Projected new Weighed rating
1006.8
Projected new Weighted performance
830.5
Projected new final Raw rating (if new WP > new Raw)
1092.0
Projected new highest rating
1144.4
Projected new floor
644.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1092.0
Projected effective change (new Official - current Official)
-3.2
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
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
11
Robertson Chess Tournament Oct 2023 (U17)
2023/10/28
2023/10/28
Cape Winelands (WCW)
Standard
60
0.83
6
5
1.5
1134.7
1178.4
Analysis
10
Bonnievale Open Rapid 2023 (Developmen)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
5
2.0
1134.7
1087.2
Analysis
9
Langeberg Top Schools 2023 (U15+U18 Mix)
2023/07/29
2023/07/29
Cape Winelands (WCW)
Rapid
30
0.60
5
4
0.0
1171.7
1142.8
Analysis
8
Strategema 2023 (U15-U19)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1129.5
1130.0
Analysis
7
Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1131.7
1140.8
Analysis
6
Langeberg Schools Chess Trials 2023 (U17 Boys+Girls)
2023/02/11
2023/02/11
Cape Winelands (WCW)
Rapid
30
0.60
5
5
2.0
1131.7
1144.4
Analysis
5
Robertson Strategema Club 2022 (U17)
2022/10/29
2022/10/29
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1100.8
1098.4
Analysis
4
Cape Winelands Schools Top Schools 2022 (U18 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1126.0
1129.6
Analysis
3
Strategema Chess Festival 2022 (U15 Open)
2022/05/14
2022/05/14
Cape Winelands (WCW)
Rapid
30
0.60
5
4
2.0
1121.9
1142.8
Analysis
2
Cape Winelands Schools 2022 (U15 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
1.0
1165.4
1200.0
Analysis
1
Lanfeberg Schools Chess Trials 2022 (U15)
2022/02/26
2022/02/26
Cape Winelands (WCW)
Rapid
30
0.60
5
4
0.5
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
51
16
4
31
18.0
35.3
-125.0
1211.2
1086.2
White
27
12
3
12
13.5
50.0
0.0
1216.6
1216.6
Black
24
4
1
19
4.5
18.8
-265.6
1205.0
939.4
Standard
All
29
11
1
17
11.5
39.7
-87.9
1203.3
1115.3
White
15
8
1
6
8.5
56.7
56.7
1199.2
1255.9
Black
14
3
0
11
3.0
21.4
-242.9
1207.6
964.7
Rapid
All
22
5
3
14
6.5
29.5
-173.9
1221.6
1047.7
White
12
4
2
6
5.0
41.7
-70.8
1238.3
1167.5
Black
10
1
1
8
1.5
15.0
-297.5
1201.4
903.9
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
1070137717
Smith, O (Oswill)
3
2.5
2
1
0
83.3
1129.4
283.3
1412.8
View list
2
1080137718
Windvogel, A (Adrianno)
3
0.0
0
0
3
0.0
1179.0
-425.0
754.0
View list
3
2080137711
Chamba, R (Ruvarashe Sharon)
2
0.0
0
0
2
0.0
1161.0
-425.0
736.0
View list
4
1050137538
Fry, G (Geone)
1
1.0
1
0
0
100.0
1126.0
425.0
1551.0
View list
5
2080156955
Flores, S (Sarah)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
6
2070147511
Caudwell, R (Renee)
1
1.0
1
0
0
100.0
1100.8
425.0
1525.8
View list
7
2770162825
Du Preez, R (Riette)
1
1.0
1
0
0
100.0
1134.7
425.0
1559.7
View list
8
1070137713
Deelman, A (Arrie)
1
1.0
1
0
0
100.0
1165.4
425.0
1590.4
View list
9
1080140085
Cupido, D (Demetrie)
1
1.0
1
0
0
100.0
1121.9
425.0
1546.9
View list
10
1070156957
Kotze, J (Johann)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
11
1060151304
Lackay, J (Jody)
1
1.0
1
0
0
100.0
1131.7
425.0
1556.7
View list
12
1060140999
Louw, L (Lee-Xander)
1
1.0
1
0
0
100.0
1100.8
425.0
1525.8
View list
13
1940162830
Merrington, L (Lyle Joseph)
1
1.0
1
0
0
100.0
1134.7
425.0
1559.7
View list
14
1070149851
Morris, C (Cayden)
1
1.0
1
0
0
100.0
1131.7
425.0
1556.7
View list
15
1090139705
Visser, D (Denwill)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
16
207076757
Vorster, S (Sophia)
1
1.0
1
0
0
100.0
1100.8
425.0
1525.8
View list
17
1060151319
Williams, A (Ashlin)
1
1.0
1
0
0
100.0
1131.7
425.0
1556.7
View list
18
1080137712
De Bruin, M (Mario-John)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
19
1070140990
Pienaar, P (Perico Dominique)
1
0.5
0
1
0
50.0
1121.9
0.0
1121.9
View list
20
207078345
Scheepers, M (Mieke)
1
0.5
0
1
0
50.0
1134.7
0.0
1134.7
View list