Player Page

Grater, R (Robert)
Dob: 1989/03/19 (Adult)
Gender: Male
Chess SA id: 1890139702
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2023/05/13 (514 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 rating1250.1
Current Weighted rating1227.3
Current Weighted performance889.0
Current official/published rating (highest between Raw, WR and WP)1250.1
Current highest rating achieved1250.1
Current floor (min rating allowed)750.1
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)±154.4
Current Raw change used (final)0.0
Projected new Raw rating1250.1
Projected new Weighed rating1130.3
Projected new Weighted performance889.0
Projected new final Raw rating (if new WP > new Raw)1250.1
Projected new highest rating1250.1
Projected new floor750.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1250.1
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 rating1207.9
Current Weighted rating1200.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1207.9
Current highest rating achieved1207.9
Current floor (min rating allowed)707.9
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)±164.0
Current Raw change used (final)0.0
Projected new Raw rating1207.9
Projected new Weighed rating1105.2
Projected new Weighted performance736.1
Projected new final Raw rating (if new WP > new Raw)1207.9
Projected new highest rating1207.9
Projected new floor707.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1207.9
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 rating1226.7
Current Weighted rating1205.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1226.7
Current highest rating achieved1226.7
Current floor (min rating allowed)726.7
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)±159.6
Current Raw change used (final)0.0
Projected new Raw rating1226.7
Projected new Weighed rating1110.3
Projected new Weighted performance647.3
Projected new final Raw rating (if new WP > new Raw)1226.7
Projected new highest rating1226.7
Projected new floor726.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.7
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 rating1300.0
Current Weighted rating1265.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1165.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Strategema 2023 (Open) 2023/05/13 2023/05/13 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1186.0 1189.4 Analysis
5 Robertson Strategema Club 2022 (Open) 2022/10/29 2022/10/29 Cape Winelands (WCW) Standard 60 0.83 5 4 1.0 1194.3 1202.0 Analysis
4 Strategema 2022 (Open) 2022/09/10 2022/09/10 Cape Winelands (WCW) Standard 60 0.83 5 4 2.0 1187.3 1200.0 Analysis
3 Strategema Chess Festival 2022 (Open) 2022/05/14 2022/05/14 Cape Winelands (WCW) Rapid 30 0.60 3 3 2.0 1180.3 1154.0 Analysis
2 McGregor Chess Freedom Day Rapid 2022 (Open+Parents) 2022/04/27 2022/04/27 Cape Winelands (WCW) Rapid 30 0.60 5 5 0.5 1200.0 1200.0 Analysis
1 McGregor Kings Chess Festival 2022 (Open) 2022/04/09 2022/04/09 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.5 1200.0 1200.0 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 26 9 2 15 10.0 38.5 -98.1 1266.1 1168.0
White 11 5 0 6 5.0 45.5 -38.6 1254.7 1216.1
Black 15 4 2 9 5.0 33.3 -141.7 1274.5 1132.8
Standard All 13 5 0 8 5.0 38.5 -98.1 1280.9 1182.8
White 6 3 0 3 3.0 50.0 0.0 1252.9 1252.9
Black 7 2 0 5 2.0 28.6 -182.1 1304.9 1122.8
Rapid All 13 4 2 7 5.0 38.5 -98.1 1251.3 1153.2
White 5 2 0 3 2.0 40.0 -85.0 1256.9 1171.9
Black 8 2 2 4 3.0 37.5 -106.3 1247.8 1141.5
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 1650119397 Thompson, W (William) 3 0.0 0 0 3 0.0 1195.8 -425.0 770.8 View list
2 1020119388 Oerson, E (Ej) 2 1.0 1 0 1 50.0 1183.2 0.0 1183.2 View list
3 199059356 Swanepoel, A (Aschwin) 2 0.5 0 1 1 25.0 1190.2 -212.5 977.7 View list
4 1040138234 Swarts, K (Kuhwin) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
5 1040112273 Mitchell, R (Raynard) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1020140976 Lundt, C (Clinton) 1 1.0 1 0 0 100.0 1180.3 425.0 1605.3 View list
7 2990156949 Geldenhuis, C (Chine) 1 1.0 1 0 0 100.0 1186.0 425.0 1611.0 View list
8 1840139701 De Vos, JNW (Joaniel Nigel Warren) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1850143220 Barends, S (Stuart) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
10 1030146568 Adams, B (Breyton) 1 1.0 1 0 0 100.0 1187.3 425.0 1612.3 View list
11 1850147574 Van Niekerk, J (Johan) 1 1.0 1 0 0 100.0 1194.3 425.0 1619.3 View list
12 288014490 Joseph, JMA (Juanbrey) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
13 1800119394 Uys, J (Jacques) 1 0.0 0 0 1 0.0 1194.3 -425.0 769.3 View list
14 1050097108 Segelaar, G (Geriant) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1070137714 Lirafu, S (Siyambonga) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 199060839 Matthys, A (Allistair) 1 0.0 0 0 1 0.0 1194.3 -425.0 769.3 View list
17 1060108632 Maree, B (Brevin) 1 0.0 0 0 1 0.0 1186.0 -425.0 761.0 View list
18 164013218 Isaacs, WS (William) 1 0.0 0 0 1 0.0 1186.0 -425.0 761.0 View list
19 1810116440 Greeff, R (Reginald) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 187006098 Davids, JW (Jo-Wayne) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list