Player Page

Roberts, MA (Mario)
Dob: 1975/06/02 (Adult)
Gender: Male
Chess SA id: 175032292
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/08/12 (319 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 rating1167.6
Current Weighted rating1164.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1167.6
Current highest rating achieved1167.6
Current floor (min rating allowed)667.6
Current K-factor40
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)±173.6
Current Raw change used (final)0.0
Projected new Raw rating1167.6
Projected new Weighed rating1071.4
Projected new Weighted performance805.7
Projected new final Raw rating (if new WP > new Raw)1167.6
Projected new highest rating1167.6
Projected new floor667.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1167.6
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 rating1220.3
Current Weighted rating1193.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1220.3
Current highest rating achieved1220.3
Current floor (min rating allowed)720.3
Current K-factor36
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)±161.1
Current Raw change used (final)0.0
Projected new Raw rating1220.3
Projected new Weighed rating1099.0
Projected new Weighted performance805.7
Projected new final Raw rating (if new WP > new Raw)1220.3
Projected new highest rating1220.3
Projected new floor720.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1220.3
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 rating1072.0
Current Weighted rating1072.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1072.0
Current highest rating achieved1072.0
Current floor (min rating allowed)572.0
Current K-factor40
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)±199.0
Current Raw change used (final)0.0
Projected new Raw rating1072.0
Projected new Weighed rating986.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1072.0
Projected new floor572.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1072.0
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 rating1072.0
Current Weighted rating1072.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1072.0
Current highest rating achieved1072.0
Current floor (min rating allowed)572.0
Current K-factor40
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)±199.0
Current Raw change used (final)0.0
Projected new Raw rating1072.0
Projected new Weighed rating986.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1072.0
Projected new floor572.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1072.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 ANIME @ Play Chess 2023 (Braille) 2023/08/12 2023/08/12 Ekurhuleni (GE) Standard 60 0.83 4 4 1.5 1157.3 1168.4 Analysis
3 Ekurhuleni Chess Springs Club Open 2022 (F) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1131.1 1139.2 Analysis
2 2019 South African Braille Championship 2020/01/11 2020/01/12 4 Knights (4K) Standard 90 0.94 5 5 2.0 1128.8 1140.4 Analysis
1 2019 Gauteng Braille Open 2019/10/26 2019/10/26 Tshwane (GTP) Standard 60 0.83 4 4 3.0 1072.0 1072.0 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 18 9 1 8 9.5 52.8 23.6 1235.9 1259.5
White 8 2 1 5 2.5 31.3 -159.4 1249.4 1090.1
Black 10 7 0 3 7.0 70.0 170.0 1225.1 1395.1
Standard All 18 9 1 8 9.5 52.8 23.6 1235.9 1259.5
White 8 2 1 5 2.5 31.3 -159.4 1249.4 1090.1
Black 10 7 0 3 7.0 70.0 170.0 1225.1 1395.1
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 167006724 De Nobrega, FP (Florindo) 2 1.5 1 1 0 75.0 1114.7 212.5 1327.2 View list
2 165011457 Grove, IJ (Izak) 2 0.0 0 0 2 0.0 1129.9 -425.0 704.9 View list
3 1620160788 Kruger, H (Hendrik) 1 1.0 1 0 0 100.0 1157.3 425.0 1582.3 View list
4 1570130000 Kaplan, M (Mark) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
5 170014653 Joubert, W (Willem) 1 1.0 1 0 0 100.0 1072.0 425.0 1497.0 View list
6 1860146524 Blom, H (Hermanus Christo) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
7 1600115352 Smal, R (Reginald) 1 1.0 1 0 0 100.0 1072.0 425.0 1497.0 View list
8 2870146525 Nontsikelelo, Y (Yvonne) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
9 2590130003 Van Der Westhuizen, T (Tersia) 1 1.0 1 0 0 100.0 1128.8 425.0 1553.8 View list
10 1640130002 Van Der Westhuizen, A (Andries) 1 1.0 1 0 0 100.0 1128.8 425.0 1553.8 View list
11 177036587 Strydom, BV (Brett) 1 0.0 0 0 1 0.0 1128.8 -425.0 703.8 View list
12 187061029 Mfengu, N (Ndaluthando) 1 0.0 0 0 1 0.0 1131.1 -425.0 706.1 View list
13 172060744 De Meyer, B (Bruno) 1 0.0 0 0 1 0.0 1157.3 -425.0 732.3 View list
14 263011234 Grobbelaar, FJ (Fransiena) 1 0.0 0 0 1 0.0 1157.3 -425.0 732.3 View list
15 171011166 Grib, J (Johannes) 1 0.0 0 0 1 0.0 1072.0 -425.0 647.0 View list
16 281011165 Grib, J (Jessica) 1 0.0 0 0 1 0.0 1128.8 -425.0 703.8 View list