Player Page

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
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 rating1906.9
Current Weighted rating1904.8
Current Weighted performance1090.9
Current official/published rating (highest between Raw, WR and WP)1906.9
Current highest rating achieved1928.0
Current floor (min rating allowed)1428.0
Current K-factor24
Games played this month0
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 rating1906.9
Projected new Weighed rating1752.4
Projected new Weighted performance1090.9
Projected new final Raw rating (if new WP > new Raw)1906.9
Projected new highest rating1928.0
Projected new floor1428.0
Projected new K-facor24
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 rating1922.2
Current Weighted rating1917.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1922.2
Current highest rating achieved1928.0
Current floor (min rating allowed)1428.0
Current K-factor24
Games played this month0
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 rating1922.2
Projected new Weighed rating1763.9
Projected new Weighted performance309.1
Projected new final Raw rating (if new WP > new Raw)1922.2
Projected new highest rating1928.0
Projected new floor1428.0
Projected new K-facor24
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
s
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 rating1897.4
Current Weighted rating1899.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1899.9
Current highest rating achieved1928.0
Current floor (min rating allowed)1428.0
Current K-factor24
Games played this month0
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 rating1897.4
Projected new Weighed rating1747.6
Projected new Weighted performance840.2
Projected new final Raw rating (if new WP > new Raw)1897.4
Projected new highest rating1928.0
Projected new floor1428.0
Projected new K-facor24
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 rating1852.0
Current Weighted rating1852.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1852.2
Current highest rating achieved1928.0
Current floor (min rating allowed)1428.0
Current K-factor24
Games played this month0
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 rating1852.0
Projected new Weighed rating1703.8
Projected new Weighted performance387.5
Projected new final Raw rating (if new WP > new Raw)1852.0
Projected new highest rating1928.0
Projected new floor1428.0
Projected new K-facor24
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
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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