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: 2024/08/28 (85 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 rating1176.9
Current Weighted rating1167.8
Current Weighted performance949.6
Current official/published rating (highest between Raw, WR and WP)1176.9
Current highest rating achieved1176.9
Current floor (min rating allowed)676.9
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)±171.4
Current Raw change used (final)0.0
Projected new Raw rating1176.9
Projected new Weighed rating1074.6
Projected new Weighted performance949.6
Projected new final Raw rating (if new WP > new Raw)1176.9
Projected new highest rating1176.9
Projected new floor676.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1176.9
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 rating1221.1
Current Weighted rating1206.8
Current Weighted performance949.6
Current official/published rating (highest between Raw, WR and WP)1221.1
Current highest rating achieved1221.1
Current floor (min rating allowed)721.1
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)±160.9
Current Raw change used (final)0.0
Projected new Raw rating1221.1
Projected new Weighed rating1111.2
Projected new Weighted performance949.6
Projected new final Raw rating (if new WP > new Raw)1221.1
Projected new highest rating1221.1
Projected new floor721.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.1
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Tuks Open Chess Tournament (Braille) 2024/08/28 2024/08/28 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1167.6 1220.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2024 Tuks Open Chess Tournament (Braille) 2024/08/28 2024/08/28 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1167.6 1220.3 Analysis
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 4 1 1 2 1.5 37.5 -106.3 1334.4 1228.2
White 2 0 1 1 0.5 25.0 -212.5 1342.0 1129.5
Black 2 1 0 1 1.0 50.0 0.0 1326.8 1326.8
Standard All 4 1 1 2 1.5 37.5 -106.3 1334.4 1228.2
White 2 0 1 1 0.5 25.0 -212.5 1342.0 1129.5
Black 2 1 0 1 1.0 50.0 0.0 1326.8 1326.8
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 22 10 2 10 11.0 50.0 0.0 1253.8 1253.8
White 10 2 2 6 3.0 30.0 -170.0 1268.0 1098.0
Black 12 8 0 4 8.0 66.7 141.7 1242.0 1383.7
Standard All 22 10 2 10 11.0 50.0 0.0 1253.8 1253.8
White 10 2 2 6 3.0 30.0 -170.0 1268.0 1098.0
Black 12 8 0 4 8.0 66.7 141.7 1242.0 1383.7
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
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 281011165 Grib, J (Jessica) 2 1.0 1 0 1 50.0 1148.2 0.0 1148.2 View list
3 171011166 Grib, J (Johannes) 2 0.0 0 0 2 0.0 1119.8 -425.0 694.8 View list
4 165011457 Grove, IJ (Izak) 2 0.0 0 0 2 0.0 1129.9 -425.0 704.9 View list
5 1860146524 Blom, H (Hermanus Christo) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
6 1570130000 Kaplan, M (Mark) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
7 170014653 Joubert, W (Willem) 1 1.0 1 0 0 100.0 1072.0 425.0 1497.0 View list
8 2590130003 Van Der Westhuizen, T (Tersia) 1 1.0 1 0 0 100.0 1128.8 425.0 1553.8 View list
9 1640130002 Van Der Westhuizen, A (Andries) 1 1.0 1 0 0 100.0 1128.8 425.0 1553.8 View list
10 1600115352 Smal, R (Reginald) 1 1.0 1 0 0 100.0 1072.0 425.0 1497.0 View list
11 2870146525 Nontsikelelo, Y (Yvonne) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
12 1620160788 Kruger, H (Hendrik) 1 1.0 1 0 0 100.0 1157.3 425.0 1582.3 View list
13 159016308 Kotze, CP (Charl) 1 0.5 0 1 0 50.0 1167.6 0.0 1167.6 View list
14 177036587 Strydom, BV (Brett) 1 0.0 0 0 1 0.0 1128.8 -425.0 703.8 View list
15 105061029 Mfengu, N (Ndaluthando) 1 0.0 0 0 1 0.0 1131.1 -425.0 706.1 View list
16 173048894 Hendriks, HJ (Hermanus Jacobus) 1 0.0 0 0 1 0.0 1167.6 -425.0 742.6 View list
17 263011234 Grobbelaar, FJ (Fransiena) 1 0.0 0 0 1 0.0 1157.3 -425.0 732.3 View list
18 172060744 De Meyer, B (Bruno) 1 0.0 0 0 1 0.0 1157.3 -425.0 732.3 View list