Player Page

Buys, R (Roelof)
Dob: 2009/08/31 (U16)
Gender: Male
Chess SA id: 1090302216
FIDE id:
Region: Gert Sibande (MGS)
Citizen: RSA
Title(s):
Last active: 2024/04/27 (23 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 rating1282.7
Curent Weighted rating1206.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1282.7
Current floor (min rating allowed)782.7
Current highest rating achieved1282.7
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)±147.4
Current Raw change used (final)0.0
Projected new Raw rating1282.7
Projected new Weighed rating1213.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1282.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1282.7
Projected new floor782.7
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 rating1230.0
Curent Weighted rating1202.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1230.0
Current floor (min rating allowed)730.0
Current highest rating achieved1230.0
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)±158.9
Current Raw change used (final)0.0
Projected new Raw rating1230.0
Projected new Weighed rating1204.7
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1230.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1230.0
Projected new floor730.0
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 rating1296.0
Curent Weighted rating1207.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1296.0
Current floor (min rating allowed)796.0
Current highest rating achieved1296.0
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)±144.6
Current Raw change used (final)0.0
Projected new Raw rating1296.0
Projected new Weighed rating1215.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1296.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1296.0
Projected new floor796.0
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 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)796.0
Current highest rating achieved0.0
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)±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 rating0.0
Projected new floor796.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 NABOOMSPAR Open Chess Tournament 2024 (Open) 2024/04/27 2024/04/27 Waterberg (LWM) Standard 60 0.83 5 3 2.0 1200.0 1200.0 Analysis
1 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 5.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 NABOOMSPAR Open Chess Tournament 2024 (Open) 2024/04/27 2024/04/27 Waterberg (LWM) Standard 60 0.83 5 3 2.0 1200.0 1200.0 Analysis
1 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 5.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 7 1 1 7.5 83.3 283.3 1217.7 1501.1
White 5 4 1 0 4.5 90.0 340.0 1188.9 1528.9
Black 4 3 0 1 3.0 75.0 212.5 1253.8 1466.3
Standard All 3 2 0 1 2.0 66.7 141.7 1258.8 1400.5
White 1 1 0 0 1.0 100.0 425.0 1200.0 1625.0
Black 2 1 0 1 1.0 50.0 0.0 1288.2 1288.2
Rapid All 6 5 1 0 5.5 91.7 354.2 1197.2 1551.3
White 4 3 1 0 3.5 87.5 318.8 1186.1 1504.8
Black 2 2 0 0 2.0 100.0 425.0 1219.4 1644.4
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 9 7 1 1 7.5 83.3 283.3 1217.7 1501.1
White 5 4 1 0 4.5 90.0 340.0 1188.9 1528.9
Black 4 3 0 1 3.0 75.0 212.5 1253.8 1466.3
Standard All 3 2 0 1 2.0 66.7 141.7 1258.8 1400.5
White 1 1 0 0 1.0 100.0 425.0 1200.0 1625.0
Black 2 1 0 1 1.0 50.0 0.0 1288.2 1288.2
Rapid All 6 5 1 0 5.5 91.7 354.2 1197.2 1551.3
White 4 3 1 0 3.5 87.5 318.8 1186.1 1504.8
Black 2 2 0 0 2.0 100.0 425.0 1219.4 1644.4
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 2030302890 Seyffert, W (Wilne) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1070154391 Ramdial, A (Aksar) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2740302885 Nel, E (Emiele) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1100302269 Zietsman, E (Edrich) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1090108328 Vanmali, D (Dhruv) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1090302264 Van Staden, P (Patrick) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090144538 Valentine, V (Victor) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1100302258 Soobramoney, R (Ruuvlin) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 1100116221 Veldtman, J (Juan-Aiden) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list