Chess South Africa
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Chess South Africa
Roberts, MJ (Marcel)
Dob:
1996/03/28 (Adult)
Gender:
Male
Chess SA id:
196032293
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
CM,CPA
Last active:
2023/03/11 (471 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
1906.9
Current Weighted rating
1904.8
Current Weighted performance
1090.9
Current official/published rating (highest between Raw, WR and WP)
1906.9
Current highest rating achieved
1928.0
Current floor (min rating allowed)
1428.0
Current K-factor
24
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)
±60.6
Current Raw change used (final)
0.0
Projected new Raw rating
1906.9
Projected new Weighed rating
1752.4
Projected new Weighted performance
1090.9
Projected new final Raw rating (if new WP > new Raw)
1906.9
Projected new highest rating
1928.0
Projected new floor
1428.0
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1906.9
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
1922.2
Current Weighted rating
1917.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1922.2
Current highest rating achieved
1928.0
Current floor (min rating allowed)
1428.0
Current K-factor
24
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)
±59.3
Current Raw change used (final)
0.0
Projected new Raw rating
1922.2
Projected new Weighed rating
1763.9
Projected new Weighted performance
309.1
Projected new final Raw rating (if new WP > new Raw)
1922.2
Projected new highest rating
1928.0
Projected new floor
1428.0
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1922.2
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
1897.4
Current Weighted rating
1899.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1899.9
Current highest rating achieved
1928.0
Current floor (min rating allowed)
1428.0
Current K-factor
24
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)
±61.4
Current Raw change used (final)
0.0
Projected new Raw rating
1897.4
Projected new Weighed rating
1747.6
Projected new Weighted performance
840.2
Projected new final Raw rating (if new WP > new Raw)
1897.4
Projected new highest rating
1928.0
Projected new floor
1428.0
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1897.4
Projected effective change (new Official - current Official)
-2.5
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
1852.0
Current Weighted rating
1852.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1852.2
Current highest rating achieved
1928.0
Current floor (min rating allowed)
1428.0
Current K-factor
24
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)
±65.5
Current Raw change used (final)
0.0
Projected new Raw rating
1852.0
Projected new Weighed rating
1703.8
Projected new Weighted performance
387.5
Projected new final Raw rating (if new WP > new Raw)
1852.0
Projected new highest rating
1928.0
Projected new floor
1428.0
Projected new K-facor
24
Projected new official/published rating (highest between new Raw, new WR and new WP)
1852.0
Projected effective change (new Official - current Official)
-0.2
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
6
Youth Chess Acadamy Rapid Tournament 2023 (A)
2023/03/11
2023/03/11
Nelson Mandela Bay (ENM)
Rapid
15
0.39
5
5
4.0
1910.3
1918.5
Analysis
5
2022 Westering Tournament (Rapid)
2022/08/27
2022/08/27
Nelson Mandela Bay (ENM)
Rapid
12
0.33
5
5
5.0
1914.9
1906.0
Analysis
4
2022 Westering Tournament (Blitz)
2022/08/27
2022/08/27
Nelson Mandela Bay (ENM)
Blitz
5
0.18
7
7
4.5
1914.9
1906.0
Analysis
3
Spring Classic 2018
2018/09/19
2018/10/24
Nelson Mandela Bay (ENM)
Standard
120
1.00
5
5
2.0
1924.7
1923.0
Analysis
2
2018 Western Province League (Premier)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
120
1.00
11
4
2.5
1910.5
1909.8
Analysis
1
2018 USSA Championship (Open)
2018/07/02
2018/07/06
Gert Sibande (MGS)
Standard
90
0.94
9
9
7.0
1906.0
1906.0
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
35
21
8
6
25.0
71.4
182.1
1596.1
1778.2
White
17
10
5
2
12.5
73.5
200.0
1577.0
1777.0
Black
18
11
3
4
12.5
69.4
165.3
1614.1
1779.4
Standard
All
18
8
7
3
11.5
63.9
118.1
1782.2
1900.2
White
9
3
4
2
5.0
55.6
47.2
1785.2
1832.4
Black
9
5
3
1
6.5
72.2
188.9
1779.2
1968.1
Rapid
All
10
9
0
1
9.0
90.0
340.0
1408.9
1748.9
White
5
5
0
0
5.0
100.0
425.0
1341.3
1766.3
Black
5
4
0
1
4.0
80.0
255.0
1476.5
1731.5
Blitz
All
7
4
1
2
4.5
64.3
121.4
1385.0
1506.5
White
3
2
1
0
2.5
83.3
283.3
1345.5
1628.8
Black
4
2
0
2
2.0
50.0
0.0
1414.7
1414.7
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130112094
Driscoll, S (Samuel)
2
2.0
2
0
0
100.0
1914.9
425.0
2339.9
View list
2
106070877
Mellet, A (Andries)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
3
198082030
Mboyisa, N (Ndumiso)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
4
199021497
Masiya, MA (Mfundo)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
5
108067365
Le Roux, S (Seth)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
6
157016497
Kromhout, ED (Ewan)
1
1.0
1
0
0
100.0
1924.7
425.0
2349.7
View list
7
194047849
Baloyi, S (Sipho)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
8
2110133667
Driscoll, J (Jessica Darby)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
9
1080131476
Chipunza, J (James)
1
1.0
1
0
0
100.0
1910.3
425.0
2335.3
View list
10
185004359
Chabalala, W (Whisper)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
11
1100111044
Brown, N (Nathan)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
12
1050111107
Brewis, A (Alick)
1
1.0
1
0
0
100.0
1910.3
425.0
2335.3
View list
13
198002758
Boshoff, II (Ian)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
14
1100136242
Blandy, L (Levi)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
15
190001526
Basson, H (Heinrich)
1
1.0
1
0
0
100.0
1910.5
425.0
2335.5
View list
16
197057623
Motsamai, M (Mpho)
1
1.0
1
0
0
100.0
1906.0
425.0
2331.0
View list
17
184026063
Muller, BM (Benjamin)
1
1.0
1
0
0
100.0
1910.3
425.0
2335.3
View list
18
182027949
Nkosi, DJ (Dumisa)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
19
107057087
Peter, NM (Neathan)
1
1.0
1
0
0
100.0
1914.9
425.0
2339.9
View list
20
199054216
Phillips, S (Shevarine)
1
1.0
1
0
0
100.0
1910.3
425.0
2335.3
View list