Player Page

Groenewaldt, O (Orren)
Dob: 2009/04/16 (U16)
Gender: Male
Chess SA id: 1090111409
FIDE id:
Region: Frances Baard (NCF)
Citizen: RSA
Title(s):
Last active: 2024/09/14 (68 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 rating1240.9
Current Weighted rating1251.6
Current Weighted performance1076.4
Current official/published rating (highest between Raw, WR and WP)1251.6
Current highest rating achieved1284.2
Current floor (min rating allowed)784.2
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)±156.4
Current Raw change used (final)0.0
Projected new Raw rating1240.9
Projected new Weighed rating1151.0
Projected new Weighted performance1076.4
Projected new final Raw rating (if new WP > new Raw)1240.9
Projected new highest rating1284.2
Projected new floor784.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1240.9
Projected effective change (new Official - current Official)-10.7
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 rating1228.5
Current Weighted rating1247.0
Current Weighted performance1013.8
Current official/published rating (highest between Raw, WR and WP)1247.0
Current highest rating achieved1279.9
Current floor (min rating allowed)779.9
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)±159.2
Current Raw change used (final)0.0
Projected new Raw rating1228.5
Projected new Weighed rating1146.6
Projected new Weighted performance1013.8
Projected new final Raw rating (if new WP > new Raw)1228.5
Projected new highest rating1279.9
Projected new floor779.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.5
Projected effective change (new Official - current Official)-18.5
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 rating1219.8
Current Weighted rating1203.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1219.8
Current highest rating achieved1219.8
Current floor (min rating allowed)719.8
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)±161.2
Current Raw change used (final)0.0
Projected new Raw rating1219.8
Projected new Weighed rating1107.0
Projected new Weighted performance411.8
Projected new final Raw rating (if new WP > new Raw)1219.8
Projected new highest rating1219.8
Projected new floor719.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.8
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 rating1206.4
Current Weighted rating1206.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1206.4
Current highest rating achieved1206.4
Current floor (min rating allowed)706.4
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)±164.3
Current Raw change used (final)0.0
Projected new Raw rating1206.4
Projected new Weighed rating1109.9
Projected new Weighted performance281.6
Projected new final Raw rating (if new WP > new Raw)1206.4
Projected new highest rating1206.4
Projected new floor706.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1206.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 CBC Rapid Chess Tournament 2024 (U16) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1236.4 1200.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1276.4 1278.9 Analysis
1 North District School Trials 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 3 2.0 1267.4 1268.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 CBC Rapid Chess Tournament 2024 (U16) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1236.4 1200.0 Analysis
16 Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1276.4 1278.9 Analysis
15 North District School Trials 2024 (U15 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 3 2.0 1267.4 1268.1 Analysis
14 FB Open Development Tournament 2022 (B) 2022/09/17 2022/09/17 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1254.4 1253.3 Analysis
13 NC Youth Day Open Blitz 2022 (C) 2022/06/18 2022/06/18 Frances Baard (NCF) Blitz 7 0.23 8 7 4.0 1257.6 1200.0 Analysis
12 Kimberley Chess Club Open 2022 (U7-U13) 2022/04/30 2022/04/30 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1284.2 1279.9 Analysis
11 Moja Open 2022 (D) 2022/03/19 2022/03/20 Frances Baard (NCF) Standard 90 0.94 5 5 4.0 1231.7 1228.1 Analysis
10 Kimberley Chess Club Open 2022 (C) 2022/01/21 2022/01/22 Frances Baard (NCF) Standard 62 0.84 5 5 4.0 1186.3 1170.5 Analysis
9 Northern Cape Schools Chess Provincial Eliminations 2021 (Boys) 2021/11/05 2021/11/05 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1193.3 1174.8 Analysis
8 NC Open 2021 (C) 2021/10/22 2021/10/23 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1210.5 1195.0 Analysis
7 Northern Cape Open Fundraiser 2021 (B) 2021/03/20 2021/03/20 Frances Baard (NCF) Standard 62 0.84 5 4 1.0 1246.5 1236.8 Analysis
6 NC Open Schools 2020 (U11 Open) 2020/02/29 2020/02/29 Frances Baard (NCF) Standard 60 0.83 5 5 3.5 1206.8 1211.6 Analysis
5 Kimberley Chess Club Christmas Open 2019 (D) 2019/12/06 2019/12/07 Frances Baard (NCF) Standard 60 0.83 5 5 4.0 1160.3 1156.0 Analysis
4 Kimberley Chess Club Schools` Open 2019 (U11 Open) 2019/07/20 2019/07/20 Frances Baard (NCF) Standard 60 0.83 5 5 4.0 1107.8 1093.6 Analysis
3 Inter Regional Chess Championship 2019 (U12) 2019/05/10 2019/05/11 Mangaung (FMB) Standard 60 0.83 5 4 1.0 1154.6 1151.6 Analysis
2 Frances Baard IRCC Trials 2019 (U12+U14 Boys) 2019/04/13 2019/04/13 Frances Baard (NCF) Standard 62 0.84 5 4 3.0 1123.7 1115.2 Analysis
1 Moja Chess Club FIDE Open 2019 (C) 2019/03/21 2019/03/24 Frances Baard (NCF) Standard 90 0.94 7 7 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 7 0 8 7.0 46.7 -28.3 1237.3 1208.9
White 7 4 0 3 4.0 57.1 60.7 1201.2 1261.9
Black 8 3 0 5 3.0 37.5 -106.3 1268.9 1162.6
Standard All 9 4 0 5 4.0 44.4 -47.2 1219.0 1171.8
White 4 1 0 3 1.0 25.0 -212.5 1209.7 997.2
Black 5 3 0 2 3.0 60.0 85.0 1226.4 1311.4
Rapid All 6 3 0 3 3.0 50.0 0.0 1264.7 1264.7
White 3 3 0 0 3.0 100.0 425.0 1189.8 1614.8
Black 3 0 0 3 0.0 0.0 -425.0 1339.6 914.6
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 91 49 3 39 50.5 55.5 46.7 1181.1 1227.8
White 46 27 1 18 27.5 59.8 83.2 1167.5 1250.7
Black 45 22 2 21 23.0 51.1 9.4 1195.0 1204.4
Standard All 78 42 3 33 43.5 55.8 49.0 1177.2 1226.2
White 39 22 1 16 22.5 57.7 65.4 1167.9 1233.3
Black 39 20 2 17 21.0 53.8 32.7 1186.5 1219.2
Rapid All 6 3 0 3 3.0 50.0 0.0 1264.7 1264.7
White 3 3 0 0 3.0 100.0 425.0 1189.8 1614.8
Black 3 0 0 3 0.0 0.0 -425.0 1339.6 914.6
Blitz All 7 4 0 3 4.0 57.1 60.7 1152.5 1213.2
White 4 2 0 2 2.0 50.0 0.0 1146.7 1146.7
Black 3 2 0 1 2.0 66.7 141.7 1160.1 1301.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 212092858 Ahjum, AXE (Annabelle) 4 3.0 3 0 1 75.0 1215.4 212.5 1427.9 View list
2 1090108220 Kgosimolao, K (Kopano) 4 1.0 1 0 3 25.0 1263.5 -212.5 1051.0 View list
3 2100116596 Daniels, P (Peyton) 3 3.0 3 0 0 100.0 1200.3 425.0 1625.3 View list
4 1110139421 May, K (Kieran Taine) 3 3.0 3 0 0 100.0 1257.6 425.0 1682.6 View list
5 1090110625 Lekhwi, N (Nazia) 3 2.5 2 1 0 83.3 1140.8 283.3 1424.1 View list
6 1090105347 Botha, J (Jan-Petrus) 3 2.0 2 0 1 66.7 1136.3 141.7 1278.0 View list
7 1110104291 Ross, E (Ebenezer) 3 1.0 1 0 2 33.3 1210.3 -141.7 1068.6 View list
8 108084931 May, AD (Alrique Dominic) 2 2.0 2 0 0 100.0 1107.8 425.0 1532.8 View list
9 2090106805 Mosoeu, O (Olerato) 2 2.0 2 0 0 100.0 1107.8 425.0 1532.8 View list
10 1080108222 Lekhwi, A (Azania) 2 0.0 0 0 2 0.0 1107.8 -425.0 682.8 View list
11 1090193669 Erasmus, S (Seth) 1 1.0 1 0 0 100.0 1267.4 425.0 1692.4 View list
12 1100116593 Bisset, C (Chris) 1 1.0 1 0 0 100.0 1206.8 425.0 1631.8 View list
13 1120110364 Babusi, R (Resego) 1 1.0 1 0 0 100.0 1231.7 425.0 1656.7 View list
14 1090150520 Arluck, M (Matthew) 1 1.0 1 0 0 100.0 1236.4 425.0 1661.4 View list
15 104050673 Bold, RJW (Richard) 1 1.0 1 0 0 100.0 1246.5 425.0 1671.5 View list
16 2110105341 Botha, A (Ane) 1 1.0 1 0 0 100.0 1284.2 425.0 1709.2 View list
17 1070098653 Botes, S (Stefan) 1 1.0 1 0 0 100.0 1123.7 425.0 1548.7 View list
18 1130131229 Changara, A (Alvern Takura) 1 1.0 1 0 0 100.0 1231.7 425.0 1656.7 View list
19 1080135801 Daniels, E (Elroy) 1 1.0 1 0 0 100.0 1193.3 425.0 1618.3 View list
20 1090150525 Gabriel, R (Romeo) 1 1.0 1 0 0 100.0 1236.4 425.0 1661.4 View list