Chess South Africa
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Chess South Africa
Mairosi, C (Cosmas)
Dob:
1977/02/08 (Adult)
Gender:
Male
Chess SA id:
177019668
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
PA
Last active:
2024/02/17 (86 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
1394.7
Curent Weighted rating
1375.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1394.7
Current floor (min rating allowed)
976.0
Current highest rating achieved
1476.0
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)
±125.6
Current Raw change used (final)
0.0
Projected new Raw rating
1394.7
Projected new Weighed rating
1376.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1394.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1476.0
Projected new floor
976.0
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
1387.1
Curent Weighted rating
1371.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1387.1
Current floor (min rating allowed)
976.0
Current highest rating achieved
1476.0
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)
±127.0
Current Raw change used (final)
0.0
Projected new Raw rating
1387.1
Projected new Weighed rating
1373.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1387.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1476.0
Projected new floor
976.0
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
1422.9
Curent Weighted rating
1422.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1422.9
Current floor (min rating allowed)
976.0
Current highest rating achieved
1476.0
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)
±120.7
Current Raw change used (final)
0.0
Projected new Raw rating
1422.9
Projected new Weighed rating
1422.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1422.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1476.0
Projected new floor
976.0
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
1422.9
Curent Weighted rating
1422.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1422.9
Current floor (min rating allowed)
976.0
Current highest rating achieved
1476.0
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)
±120.7
Current Raw change used (final)
0.0
Projected new Raw rating
1422.9
Projected new Weighed rating
1422.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1422.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1476.0
Projected new floor
976.0
Projected new K-facor
32
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Cape of Good Hope Open Chess Tournament 2024 (Intermediate)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1369.1
1366.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Cape of Good Hope Open Chess Tournament 2024 (Intermediate)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1369.1
1366.9
Analysis
1
2019 National Club Chess Championships (B)
2019/09/27
2019/09/29
Cape Town (WCT)
Standard
120
1.00
6
5
1.5
1422.9
1422.9
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
3
2
1
4.0
66.7
141.7
1359.8
1501.4
White
3
3
0
0
3.0
100.0
425.0
1488.4
1913.4
Black
3
0
2
1
1.0
33.3
-141.7
1231.1
1089.4
Standard
All
6
3
2
1
4.0
66.7
141.7
1359.8
1501.4
White
3
3
0
0
3.0
100.0
425.0
1488.4
1913.4
Black
3
0
2
1
1.0
33.3
-141.7
1231.1
1089.4
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
11
4
3
4
5.5
50.0
0.0
1339.0
1339.0
White
6
4
1
1
4.5
75.0
212.5
1377.9
1590.4
Black
5
0
2
3
1.0
20.0
-255.0
1292.3
1037.3
Standard
All
11
4
3
4
5.5
50.0
0.0
1339.0
1339.0
White
6
4
1
1
4.5
75.0
212.5
1377.9
1590.4
Black
5
0
2
3
1.0
20.0
-255.0
1292.3
1037.3
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1110108081
Muller, H (Helgard)
1
1.0
1
0
0
100.0
1369.1
425.0
1794.1
View list
2
177017938
Lewaks, A (Andre)
1
1.0
1
0
0
100.0
1422.9
425.0
1847.9
View list
3
208078559
Van Zyl, M (Mea)
1
1.0
1
0
0
100.0
1369.1
425.0
1794.1
View list
4
1100157084
Hibbins, G (Graeme)
1
1.0
1
0
0
100.0
1369.1
425.0
1794.1
View list
5
1000136420
Hamdulay, D (Dillon)
1
0.5
0
1
0
50.0
1369.1
0.0
1369.1
View list
6
204077326
Arendse, KC (Kelli Candice)
1
0.5
0
1
0
50.0
1422.9
0.0
1422.9
View list
7
1080193268
Petersen-Bizaare, S (Shaqeel)
1
0.5
0
1
0
50.0
1369.1
0.0
1369.1
View list
8
165061903
Waldeck, LJD (Lesley)
1
0.0
0
0
1
0.0
1422.9
-425.0
997.9
View list
9
188046786
Shaani, KP (Kumbirayi)
1
0.0
0
0
1
0.0
1422.9
-425.0
997.9
View list
10
108091526
Lau, C (Callum)
1
0.0
0
0
1
0.0
1422.9
-425.0
997.9
View list
11
194012819
Holtzhausen, R (Reinhard)
1
0.0
0
0
1
0.0
1369.1
-425.0
944.1
View list