Chess South Africa
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Chess South Africa
May, JM (Jaco)
Dob:
1983/12/14 (Adult)
Gender:
Male
Chess SA id:
183021986
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/03/09 (71 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
855.9
Curent Weighted rating
861.3
Curent Weighted performance
718.5
Current official/published rating (highest between Raw, WR and WP)
861.3
Current floor (min rating allowed)
500.0
Current highest rating achieved
865.2
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)
±270.7
Current Raw change used (final)
0.0
Projected new Raw rating
855.9
Projected new Weighed rating
861.1
Projected new Weighted performance
718.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
861.1
Projected effective change (new Official - current Official)
-0.2
Projected new highest rating
865.2
Projected new floor
500.0
Projected new K-facor
40
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
806.6
Curent Weighted rating
800.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
806.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
829.0
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)
±290.4
Current Raw change used (final)
0.0
Projected new Raw rating
806.6
Projected new Weighed rating
801.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
806.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
829.0
Projected new floor
500.0
Projected new K-facor
40
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
1041.6
Curent Weighted rating
949.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1041.6
Current floor (min rating allowed)
541.6
Current highest rating achieved
1041.6
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)
±207.8
Current Raw change used (final)
0.0
Projected new Raw rating
1041.6
Projected new Weighed rating
958.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1041.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1041.6
Projected new floor
541.6
Projected new K-facor
40
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
761.0
Curent Weighted rating
761.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
761.0
Current floor (min rating allowed)
541.6
Current highest rating achieved
829.0
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)
±309.9
Current Raw change used (final)
0.0
Projected new Raw rating
761.0
Projected new Weighed rating
761.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
761.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
829.0
Projected new floor
541.6
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
South African Braille Open 2024
2024/03/09
2024/03/09
Cape Winelands (WCW)
Standard
60
0.83
5
5
0.5
865.2
805.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
South African Braille Open 2024
2024/03/09
2024/03/09
Cape Winelands (WCW)
Standard
60
0.83
5
5
0.5
865.2
805.8
Analysis
6
SA Braille South 2023
2023/03/18
2023/03/19
Cape Winelands (WCW)
Standard
90
0.94
5
5
1.5
842.3
770.2
Analysis
5
Western Cape Closed Championship 2022 (Open)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
5
0.0
857.3
777.0
Analysis
4
Robertson Chess 2020 (Open)
2020/03/07
2020/03/07
Cape Winelands (WCW)
Rapid
30
0.60
5
5
3.0
790.3
786.2
Analysis
3
Robertson Strategema 2019 (Open)
2019/10/05
2019/10/05
Cape Winelands (WCW)
Rapid
30
0.60
5
5
1.0
776.4
761.0
Analysis
2
SA Braille Worcester 2019
2019/03/23
2019/03/24
Cape Winelands (WCW)
Standard
90
0.94
5
4
0.0
805.0
807.8
Analysis
1
Sa Braille Worcester Open 2018
2018/04/27
2018/04/28
Cape Winelands (WCW)
Standard
90
0.94
7
2
1.5
761.0
761.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
0
1
4
0.5
10.0
-340.0
1170.3
830.3
White
3
0
1
2
0.5
16.7
-283.3
1266.6
983.3
Black
2
0
0
2
0.0
0.0
-425.0
1025.7
600.7
Standard
All
5
0
1
4
0.5
10.0
-340.0
1170.3
830.3
White
3
0
1
2
0.5
16.7
-283.3
1266.6
983.3
Black
2
0
0
2
0.0
0.0
-425.0
1025.7
600.7
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
31
6
3
22
7.5
24.2
-219.4
1160.1
940.7
White
16
4
2
10
5.0
31.3
-159.4
1143.0
983.6
Black
15
2
1
12
2.5
16.7
-283.3
1178.3
894.9
Standard
All
21
2
3
16
3.5
16.7
-283.3
1145.1
861.7
White
12
1
2
9
2.0
16.7
-283.3
1153.3
870.0
Black
9
1
1
7
1.5
16.7
-283.3
1134.1
850.8
Rapid
All
10
4
0
6
4.0
40.0
-85.0
1191.6
1106.6
White
4
3
0
1
3.0
75.0
212.5
1112.2
1324.7
Black
6
1
0
5
1.0
16.7
-283.3
1244.5
961.2
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
268080006
Rossouw, J (Joan)
3
0.0
0
0
3
0.0
825.3
-425.0
400.3
View list
2
171003456
Bresler, C (Conrad)
3
0.0
0
0
3
0.0
837.5
-425.0
412.5
View list
3
2820100533
Bezuidenhout, S (Simone)
2
1.0
1
0
1
50.0
783.0
0.0
783.0
View list
4
182022823
Meyer, L (Lukas)
2
0.5
0
1
1
25.0
783.0
-212.5
570.5
View list
5
164032165
Richter, HL (Heinrich)
2
0.0
0
0
2
0.0
816.3
-425.0
391.3
View list
6
145010473
Geyer, D (David)
2
0.0
0
0
2
0.0
820.8
-425.0
395.8
View list
7
2870119390
Mare, I (Isabel)
1
1.0
1
0
0
100.0
790.3
425.0
1215.3
View list
8
2870100536
Kriel, IM (Isabel Mare)
1
1.0
1
0
0
100.0
842.3
425.0
1267.3
View list
9
1980119392
Rossouw, I (Iain)
1
1.0
1
0
0
100.0
790.3
425.0
1215.3
View list
10
275031506
Rahn, MC (Marlene)
1
1.0
1
0
0
100.0
776.4
425.0
1201.4
View list
11
2870133473
Verrynne, S (Sunet)
1
1.0
1
0
0
100.0
790.3
425.0
1215.3
View list
12
1680139909
Scheepers, GP (George Philippus)
1
0.5
0
1
0
50.0
842.3
0.0
842.3
View list
13
184060795
Ngwevela, L (Luzuku)
1
0.5
0
1
0
50.0
865.2
0.0
865.2
View list
14
1800119394
Uys, J (Jacques)
1
0.0
0
0
1
0.0
776.4
-425.0
351.4
View list
15
2080115001
Ntabeni, P (Phelisa)
1
0.0
0
0
1
0.0
857.3
-425.0
432.3
View list
16
210088278
Nieuwoudt, N (Noreht)
1
0.0
0
0
1
0.0
857.3
-425.0
432.3
View list
17
103086662
Klue, C (Christiaan)
1
0.0
0
0
1
0.0
857.3
-425.0
432.3
View list
18
288014490
Joseph, JMA (Juanbrey)
1
0.0
0
0
1
0.0
790.3
-425.0
365.3
View list
19
107064069
Drury, N (Nicholas)
1
0.0
0
0
1
0.0
857.3
-425.0
432.3
View list
20
156005535
Cordier, P (Pieter)
1
0.0
0
0
1
0.0
865.2
-425.0
440.2
View list