Chess South Africa
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Chess South Africa
Matthews, R (Roger)
Dob:
1982/05/06 (Adult)
Gender:
Male
Chess SA id:
1820153676
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2024/02/13 (109 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
1182.7
Curent Weighted rating
1185.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1185.1
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±170.0
Current Raw change used (final)
0.0
Projected new Raw rating
1182.7
Projected new Weighed rating
1184.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.6
Projected effective change (new Official - current Official)
-0.5
Projected new highest rating
1200.0
Projected new floor
700.0
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
1165.8
Curent Weighted rating
1172.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1172.1
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±174.1
Current Raw change used (final)
0.0
Projected new Raw rating
1165.8
Projected new Weighed rating
1170.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.9
Projected effective change (new Official - current Official)
-1.1
Projected new highest rating
1200.0
Projected new floor
700.0
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
1209.7
Curent Weighted rating
1208.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1209.7
Current floor (min rating allowed)
715.5
Current highest rating achieved
1215.5
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)
±163.5
Current Raw change used (final)
0.0
Projected new Raw rating
1209.7
Projected new Weighed rating
1208.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1209.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1215.5
Projected new floor
715.5
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
715.5
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
715.5
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Uitenhage Chess Club Rapid January 2024
2024/01/30
2024/02/13
Nelson Mandela Bay (ENM)
Rapid
20
0.47
6
2
1.0
1183.7
1215.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Uitenhage Chess Club Rapid January 2024
2024/01/30
2024/02/13
Nelson Mandela Bay (ENM)
Rapid
20
0.47
6
2
1.0
1183.7
1215.5
Analysis
2
Uitenhage Chess Club RAPID III 2023
2023/08/29
2023/09/12
Nelson Mandela Bay (ENM)
Rapid
15
0.39
6
1
1.0
1176.1
1200.0
Analysis
1
UCC Protea Cup 2023 (A)
2023/04/14
2023/05/30
Nelson Mandela Bay (ENM)
Standard
60
0.83
8
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
2
1
0
1
1.0
50.0
0.0
1159.3
1159.3
White
1
1
0
0
1.0
100.0
425.0
1094.5
1519.5
Black
1
0
0
1
0.0
0.0
-425.0
1224.0
799.0
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
2
1
0
1
1.0
50.0
0.0
1159.3
1159.3
White
1
1
0
0
1.0
100.0
425.0
1094.5
1519.5
Black
1
0
0
1
0.0
0.0
-425.0
1224.0
799.0
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
7
3
0
4
3.0
42.9
-60.7
1209.1
1148.3
White
3
2
0
1
2.0
66.7
141.7
1182.5
1324.1
Black
4
1
0
3
1.0
25.0
-212.5
1229.0
1016.5
Standard
All
4
1
0
3
1.0
25.0
-212.5
1243.5
1031.0
White
2
1
0
1
1.0
50.0
0.0
1226.5
1226.5
Black
2
0
0
2
0.0
0.0
-425.0
1260.7
835.7
Rapid
All
3
2
0
1
2.0
66.7
141.7
1163.1
1304.7
White
1
1
0
0
1.0
100.0
425.0
1094.5
1519.5
Black
2
1
0
1
1.0
50.0
0.0
1197.3
1197.3
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
1060151655
Mackay, M (Mikhail)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
2
1130151675
Lombard, L (Liam)
1
1.0
1
0
0
100.0
1183.7
425.0
1608.7
View list
3
1850151685
Vosloo, J (Jerome)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
184026063
Muller, BM (Benjamin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1120151669
Henn, R (Robert)
1
0.0
0
0
1
0.0
1183.7
-425.0
758.7
View list
6
1750146548
De Klerk, R (Riaan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
178000765
Arendse, L (Luke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list