Player Page

Grigor, R (Ruan)
Dob: 2008/09/11 (U18)
Gender: Male
Chess SA id: 1080139768
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (25 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 rating1497.5
Curent Weighted rating1392.8
Curent Weighted performance1483.8
Current official/published rating (highest between Raw, WR and WP)1497.5
Current floor (min rating allowed)1007.9
Current highest rating achieved1507.9
Current K-factor32
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)±108.5
Current Raw change used (final)0.0
Projected new Raw rating1497.5
Projected new Weighed rating1405.6
Projected new Weighted performance1483.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1497.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1507.9
Projected new floor1007.9
Projected new K-facor32
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 rating1488.5
Curent Weighted rating1390.8
Curent Weighted performance1476.9
Current official/published rating (highest between Raw, WR and WP)1488.5
Current floor (min rating allowed)1000.0
Current highest rating achieved1500.0
Current K-factor32
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)±109.9
Current Raw change used (final)0.0
Projected new Raw rating1488.5
Projected new Weighed rating1402.9
Projected new Weighted performance1476.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1488.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1500.0
Projected new floor1000.0
Projected new K-facor32
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 rating1172.0
Curent Weighted rating1172.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1172.0
Current floor (min rating allowed)672.0
Current highest rating achieved1172.0
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)±172.6
Current Raw change used (final)0.0
Projected new Raw rating1172.0
Projected new Weighed rating1171.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1172.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1172.0
Projected new floor672.0
Projected new K-facor40
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 rating1090.8
Curent Weighted rating1091.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1091.1
Current floor (min rating allowed)672.0
Current highest rating achieved1090.8
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)±193.7
Current Raw change used (final)0.0
Projected new Raw rating1090.8
Projected new Weighed rating1090.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1090.8
Projected effective change (new Official - current Official)-0.3
Projected new highest rating1090.8
Projected new floor672.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 NMBCU Trials 2 2024 (U18) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 2.0 1507.9 1500.0 Analysis
1 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1427.0 1417.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 NMBCU Trials 2 2024 (U18) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 2.0 1507.9 1500.0 Analysis
22 NMBCU Trials 1 2024 (U18) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1427.0 1417.7 Analysis
21 PECC Club Championship 2023 (Senior) 2023/10/12 2023/11/23 Nelson Mandela Bay (ENM) Standard 90 0.94 6 1 0.0 1427.3 1418.0 Analysis
20 Eastern Cape Chess Team Championship 2023 (U16) 2023/10/07 2023/10/08 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 5.0 1352.0 1360.6 Analysis
19 Eastern Cape Provincial Individual Championship 2023 (U16 Boys) 2023/10/05 2023/10/06 Nelson Mandela Bay (ENM) Standard 65 0.85 7 7 3.5 1352.0 1360.6 Analysis
18 NMBCU Closed 2023 (U16) 2023/08/11 2023/08/12 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1336.5 1344.8 Analysis
17 NMBCU Trial 4 2023 (U16) 2023/07/28 2023/07/29 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1324.5 1332.2 Analysis
16 EP Trials 3 2023 (U16) 2023/05/05 2023/05/06 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1362.7 1384.0 Analysis
15 NMB 2nd Trials 2023 (U16) 2023/03/24 2023/03/25 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1327.0 1329.0 Analysis
14 NMB 1st Trials 2023 (U16) 2023/02/17 2023/02/18 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1245.1 1244.3 Analysis
13 PECC Presidents Cup 2023 2023/02/02 2023/03/16 Nelson Mandela Bay (ENM) Standard 70 0.87 7 3 1.0 1327.0 1329.0 Analysis
12 Eatern Cape Provincial Chess Championship 2022 (U16 Boys) 2022/10/01 2022/10/01 Sarah Baartman (ESB) Standard 65 0.85 7 6 3.0 1178.4 1147.3 Analysis
11 PECC Closed 2022 (C) 2022/09/22 2022/10/27 Nelson Mandela Bay (ENM) Standard 90 0.94 5 5 3.5 1178.4 1147.3 Analysis
10 2022 Westering Tournament (Rapid) 2022/08/27 2022/08/27 Nelson Mandela Bay (ENM) Rapid 12 0.33 5 5 3.0 1171.6 1153.6 Analysis
9 2022 Westering Tournament (Blitz) 2022/08/27 2022/08/27 Nelson Mandela Bay (ENM) Blitz 5 0.18 7 7 3.0 1171.6 1087.2 Analysis
8 2022 NMBCU Closed 2022 (U16) 2022/08/19 2022/08/20 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1171.6 1189.1 Analysis
7 2022 NMBCU Trial 4 (U16) 2022/08/12 2022/08/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 1.0 1171.6 1189.1 Analysis
6 PECC Blitz Closed 2022 2022/08/11 2022/08/18 Nelson Mandela Bay (ENM) Blitz 5 0.18 9 9 4.5 1171.6 1087.2 Analysis
5 NMBCU Trial 3 2022 (U16) 2022/07/22 2022/07/23 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 2.5 1218.3 1224.4 Analysis
4 2022 NMB Rapid & Blitz Championships (Rapid) 2022/07/02 2022/07/02 Nelson Mandela Bay (ENM) Rapid 12 0.33 5 5 1.5 1218.3 1200.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 5 4 2 7.0 63.6 115.9 1488.6 1604.5
White 6 3 2 1 4.0 66.7 141.7 1467.1 1608.8
Black 5 2 2 1 3.0 60.0 85.0 1514.4 1599.4
Standard All 11 5 4 2 7.0 63.6 115.9 1488.6 1604.5
White 6 3 2 1 4.0 66.7 141.7 1467.1 1608.8
Black 5 2 2 1 3.0 60.0 85.0 1514.4 1599.4
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 128 63 12 53 69.0 53.9 33.2 1276.8 1310.0
White 67 31 5 31 33.5 50.0 0.0 1265.3 1265.3
Black 61 32 7 22 35.5 58.2 69.7 1289.3 1358.9
Standard All 95 50 10 35 55.0 57.9 67.1 1279.5 1346.6
White 49 24 4 21 26.0 53.1 26.0 1262.9 1288.9
Black 46 26 6 14 29.0 63.0 110.9 1297.1 1408.0
Rapid All 10 4 1 5 4.5 45.0 -42.5 1258.8 1216.3
White 5 2 0 3 2.0 40.0 -85.0 1297.4 1212.4
Black 5 2 1 2 2.5 50.0 0.0 1220.3 1220.3
Blitz All 23 9 1 13 9.5 41.3 -73.9 1273.2 1199.3
White 13 5 1 7 5.5 42.3 -65.4 1262.2 1196.8
Black 10 4 0 6 4.0 40.0 -85.0 1287.6 1202.6
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1080131476 Chipunza, J (James) 7 0.5 0 1 6 7.1 1284.4 -364.3 920.1 View list
2 1080139774 Ngamlana, A (Awonke) 4 4.0 4 0 0 100.0 1190.4 425.0 1615.4 View list
3 109067367 Peter, N (Noah) 4 1.5 1 1 2 37.5 1308.3 -106.3 1202.0 View list
4 108070879 Slabbert, D (Deon) 4 1.5 1 1 2 37.5 1360.8 -106.3 1254.5 View list
5 107088367 Bains, A (Alex) 4 0.0 0 0 4 0.0 1194.9 -425.0 769.9 View list
6 2080111070 Cerfonteyn, Z (Zeenat) 3 2.5 2 1 0 83.3 1208.0 283.3 1491.3 View list
7 1120131278 Prinsloo, L (Liam) 3 2.0 2 0 1 66.7 1241.2 141.7 1382.9 View list
8 108070881 Bouwer, R (Ruben) 3 1.5 1 1 1 50.0 1327.3 0.0 1327.3 View list
9 207069601 Murray, J (Jessica) 3 1.5 1 1 1 50.0 1187.2 0.0 1187.2 View list
10 1080133991 Jaffray, J (Joseph) 3 1.0 1 0 2 33.3 1360.0 -141.7 1218.3 View list
11 107057083 Lagardien, I (Ismaeel) 3 0.5 0 1 2 16.7 1283.7 -283.3 1000.4 View list
12 107057087 Peter, NM (Neathan) 3 0.5 0 1 2 16.7 1324.1 -283.3 1040.8 View list
13 107057088 Pienaar, KT (Keaton) 3 0.0 0 0 3 0.0 1189.4 -425.0 764.4 View list
14 1080151218 Brown, R (Reagan) 2 2.0 2 0 0 100.0 1343.6 425.0 1768.6 View list
15 1140143836 Boggenpoel, L (Levi) 2 2.0 2 0 0 100.0 1252.7 425.0 1677.7 View list
16 108095752 Mtshekexe, U (Usemhle) 2 2.0 2 0 0 100.0 1343.3 425.0 1768.3 View list
17 1090154758 Reid, L (Liam) 2 2.0 2 0 0 100.0 1343.6 425.0 1768.6 View list
18 1090111480 Sihewula, A (Achuma) 2 2.0 2 0 0 100.0 1286.0 425.0 1711.0 View list
19 209077417 Louis, C (Caitlyn) 2 1.0 1 0 1 50.0 1194.9 0.0 1194.9 View list
20 1090139779 Udemans, B (Billy) 2 1.0 1 0 1 50.0 1276.0 0.0 1276.0 View list