Player Page

Matthews, R (Roger)
Dob: 1982/05/06 (Adult)
Gender: Male
Chess SA id: 1820153676
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/02/13 (109 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
Curent Raw rating1182.7
Curent Weighted rating1185.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1185.1
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±170.0
Current Raw change used (final)0.0
Projected new Raw rating1182.7
Projected new Weighed rating1184.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.6
Projected effective change (new Official - current Official)-0.5
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1165.8
Curent Weighted rating1172.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1172.1
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±174.1
Current Raw change used (final)0.0
Projected new Raw rating1165.8
Projected new Weighed rating1170.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1170.9
Projected effective change (new Official - current Official)-1.1
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1209.7
Curent Weighted rating1208.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1209.7
Current floor (min rating allowed)715.5
Current highest rating achieved1215.5
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)±163.5
Current Raw change used (final)0.0
Projected new Raw rating1209.7
Projected new Weighed rating1208.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1209.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1215.5
Projected new floor715.5
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)715.5
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor715.5
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Uitenhage Chess Club Rapid January 2024 2024/01/30 2024/02/13 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 2 1.0 1183.7 1215.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Uitenhage Chess Club Rapid January 2024 2024/01/30 2024/02/13 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 2 1.0 1183.7 1215.5 Analysis
2 Uitenhage Chess Club RAPID III 2023 2023/08/29 2023/09/12 Nelson Mandela Bay (ENM) Rapid 15 0.39 6 1 1.0 1176.1 1200.0 Analysis
1 UCC Protea Cup 2023 (A) 2023/04/14 2023/05/30 Nelson Mandela Bay (ENM) Standard 60 0.83 8 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 2 1 0 1 1.0 50.0 0.0 1159.3 1159.3
White 1 1 0 0 1.0 100.0 425.0 1094.5 1519.5
Black 1 0 0 1 0.0 0.0 -425.0 1224.0 799.0
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 2 1 0 1 1.0 50.0 0.0 1159.3 1159.3
White 1 1 0 0 1.0 100.0 425.0 1094.5 1519.5
Black 1 0 0 1 0.0 0.0 -425.0 1224.0 799.0
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 7 3 0 4 3.0 42.9 -60.7 1209.1 1148.3
White 3 2 0 1 2.0 66.7 141.7 1182.5 1324.1
Black 4 1 0 3 1.0 25.0 -212.5 1229.0 1016.5
Standard All 4 1 0 3 1.0 25.0 -212.5 1243.5 1031.0
White 2 1 0 1 1.0 50.0 0.0 1226.5 1226.5
Black 2 0 0 2 0.0 0.0 -425.0 1260.7 835.7
Rapid All 3 2 0 1 2.0 66.7 141.7 1163.1 1304.7
White 1 1 0 0 1.0 100.0 425.0 1094.5 1519.5
Black 2 1 0 1 1.0 50.0 0.0 1197.3 1197.3
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 1060151655 Mackay, M (Mikhail) 1 1.0 1 0 0 100.0 1176.1 425.0 1601.1 View list
2 1130151675 Lombard, L (Liam) 1 1.0 1 0 0 100.0 1183.7 425.0 1608.7 View list
3 1850151685 Vosloo, J (Jerome) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 184026063 Muller, BM (Benjamin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 1120151669 Henn, R (Robert) 1 0.0 0 0 1 0.0 1183.7 -425.0 758.7 View list
6 1750146548 De Klerk, R (Riaan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 178000765 Arendse, L (Luke) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list