Chess South Africa
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Chess South Africa
Viriah, M (Matthew)
Dob:
2016/03/06 (U10)
Gender:
Male
Chess SA id:
1160190995
FIDE id:
Region:
iLembe (KIK)
Citizen:
RSA
Title(s):
Last active:
2024/09/07 (28 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
1291.7
Current Weighted rating
1243.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1291.7
Current highest rating achieved
1291.7
Current floor (min rating allowed)
791.7
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)
±145.5
Current Raw change used (final)
0.0
Projected new Raw rating
1291.7
Projected new Weighed rating
1145.3
Projected new Weighted performance
1078.1
Projected new final Raw rating (if new WP > new Raw)
1291.7
Projected new highest rating
1291.7
Projected new floor
791.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1291.7
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
1267.7
Current Weighted rating
1250.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1267.7
Current highest rating achieved
1267.7
Current floor (min rating allowed)
767.7
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)
±150.6
Current Raw change used (final)
0.0
Projected new Raw rating
1267.7
Projected new Weighed rating
1151.4
Projected new Weighted performance
468.0
Projected new final Raw rating (if new WP > new Raw)
1267.7
Projected new highest rating
1267.7
Projected new floor
767.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1267.7
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
1312.7
Current Weighted rating
1213.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1312.7
Current highest rating achieved
1312.7
Current floor (min rating allowed)
812.7
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)
±141.2
Current Raw change used (final)
0.0
Projected new Raw rating
1312.7
Projected new Weighed rating
1116.7
Projected new Weighted performance
839.2
Projected new final Raw rating (if new WP > new Raw)
1312.7
Projected new highest rating
1312.7
Projected new floor
812.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1312.7
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Westville Senior Primary Chess Tournament 2024 (Junior Primary)
2024/09/07
2024/09/07
Ethekwini (KED)
Rapid
25
0.54
7
7
5.0
1275.6
1255.8
Analysis
1
Ashton International College Chess Champs 2024 (Junior Primary)
2024/08/17
2024/08/17
Ethekwini (KED)
Rapid
25
0.54
5
5
4.0
1252.3
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Westville Senior Primary Chess Tournament 2024 (Junior Primary)
2024/09/07
2024/09/07
Ethekwini (KED)
Rapid
25
0.54
7
7
5.0
1275.6
1255.8
Analysis
2
Ashton International College Chess Champs 2024 (Junior Primary)
2024/08/17
2024/08/17
Ethekwini (KED)
Rapid
25
0.54
5
5
4.0
1252.3
1200.0
Analysis
1
Umhlali Prep Inter House Chess 2023 (Grade 1)
2023/11/29
2023/11/29
iLembe (KIK)
Standard
60
0.83
4
4
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
12
9
0
3
9.0
75.0
212.5
1202.1
1414.6
White
7
6
0
1
6.0
85.7
303.6
1167.4
1471.0
Black
5
3
0
2
3.0
60.0
85.0
1250.6
1335.6
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
12
9
0
3
9.0
75.0
212.5
1202.1
1414.6
White
7
6
0
1
6.0
85.7
303.6
1167.4
1471.0
Black
5
3
0
2
3.0
60.0
85.0
1250.6
1335.6
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
16
13
0
3
13.0
81.3
265.6
1188.2
1453.8
White
9
8
0
1
8.0
88.9
330.6
1153.2
1483.7
Black
7
5
0
2
5.0
71.4
182.1
1233.2
1415.4
Standard
All
4
4
0
0
4.0
100.0
425.0
1146.5
1571.5
White
2
2
0
0
2.0
100.0
425.0
1103.3
1528.3
Black
2
2
0
0
2.0
100.0
425.0
1189.8
1614.8
Rapid
All
12
9
0
3
9.0
75.0
212.5
1202.1
1414.6
White
7
6
0
1
6.0
85.7
303.6
1167.4
1471.0
Black
5
3
0
2
3.0
60.0
85.0
1250.6
1335.6
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
1150307946
Singh, S (Suveer)
1
1.0
1
0
0
100.0
1275.6
425.0
1700.6
View list
2
2160304984
Rambali, R (Raina)
1
1.0
1
0
0
100.0
1275.6
425.0
1700.6
View list
3
2150153386
Power, A (Amber)
1
1.0
1
0
0
100.0
1275.6
425.0
1700.6
View list
4
1160190978
Ndlela, S (Sibusiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1160301922
Moodley, K (Kai)
1
1.0
1
0
0
100.0
1252.3
425.0
1677.3
View list
6
1160305933
Maseko, T (Taddeus)
1
1.0
1
0
0
100.0
1275.6
425.0
1700.6
View list
7
1160147698
Leitch, N (Noa)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1150309617
Hechter, J (Jamie)
1
1.0
1
0
0
100.0
1252.3
425.0
1677.3
View list
9
1160147884
Hall, L (Luke)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1160190961
Fairfield, A (Arin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1150309613
Cloete, B (Blake)
1
1.0
1
0
0
100.0
1252.3
425.0
1677.3
View list
12
1150136126
Clifford, B (Benedict)
1
1.0
1
0
0
100.0
1275.6
425.0
1700.6
View list
13
1140309624
Tshisikhawe, G (Gundo)
1
1.0
1
0
0
100.0
1252.3
425.0
1677.3
View list
14
1150302705
Tsouris, E (Ezra)
1
0.0
0
0
1
0.0
1275.6
-425.0
850.6
View list
15
1150152946
Taylor, E (Ezra)
1
0.0
0
0
1
0.0
1275.6
-425.0
850.6
View list
16
1160147694
Chen, N (Neo)
1
0.0
0
0
1
0.0
1252.3
-425.0
827.3
View list