Player Page

Buis, J (Joane)
Dob: 2008/06/09 (U18)
Gender: Female
Chess SA id: 2080097087
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/24 (35 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 rating1375.0
Curent Weighted rating1362.3
Curent Weighted performance1334.5
Current official/published rating (highest between Raw, WR and WP)1375.0
Current floor (min rating allowed)888.1
Current highest rating achieved1388.1
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)±129.2
Current Raw change used (final)0.0
Projected new Raw rating1375.0
Projected new Weighed rating1364.6
Projected new Weighted performance1334.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1375.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1388.1
Projected new floor888.1
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 rating1361.6
Curent Weighted rating1347.7
Curent Weighted performance1317.4
Current official/published rating (highest between Raw, WR and WP)1361.6
Current floor (min rating allowed)865.6
Current highest rating achieved1365.6
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)±131.7
Current Raw change used (final)0.0
Projected new Raw rating1361.6
Projected new Weighed rating1350.5
Projected new Weighted performance1317.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1361.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1365.6
Projected new floor865.6
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 rating1334.0
Curent Weighted rating1301.2
Curent Weighted performance1110.1
Current official/published rating (highest between Raw, WR and WP)1334.0
Current floor (min rating allowed)834.0
Current highest rating achieved1334.0
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)±137.0
Current Raw change used (final)0.0
Projected new Raw rating1334.0
Projected new Weighed rating1304.0
Projected new Weighted performance1110.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1334.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1334.0
Projected new floor834.0
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 rating1184.0
Curent Weighted rating1184.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1184.2
Current floor (min rating allowed)834.0
Current highest rating achieved1184.0
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)±169.6
Current Raw change used (final)0.0
Projected new Raw rating1184.0
Projected new Weighed rating1184.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.1
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1184.0
Projected new floor834.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape Inter Region Cup 2024 (U20 Girls) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.5 1388.1 1365.6 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1388.1 1365.6 Analysis
2 Cape Winelands Schools - Prestige 2024 (U18 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1388.1 1365.6 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.0 1375.0 1295.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
30 Western Cape Inter Region Cup 2024 (U20 Girls) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 2.5 1388.1 1365.6 Analysis
29 Western Cape HS Individuals Championship 2024 (U18 Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.0 1388.1 1365.6 Analysis
28 Cape Winelands Schools - Prestige 2024 (U18 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1388.1 1365.6 Analysis
27 Cape Winelands Schools - HS Trials 1 2024 (U18 Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.0 1375.0 1295.1 Analysis
26 Western Cape HS Individuals 2023 (U15 Girls) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 5 3.0 1373.2 1363.1 Analysis
25 Cape Winelands Schools Prestige 2023 (U15 Girls) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1326.0 1306.6 Analysis
24 Cape Winelands Schools Chess - Trials 1 2023 (U15 Girls) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1290.4 1257.6 Analysis
23 WCCA Rural Cup 2022 (U16) 2022/08/13 2022/08/14 Overberg (WOS) Standard 60 0.83 5 3 0.5 1322.1 1291.1 Analysis
22 WCCA Rural Cup Blitz 2022 2022/07/12 2022/07/12 Overberg (WOS) Blitz 5 0.18 5 5 2.0 1323.6 1200.0 Analysis
21 Western Cape Schools Chess 2022 (U15 Girls) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 4.0 1311.1 1268.1 Analysis
20 McGregor Chess Freedom Day Rapid 2022 (U15+U18) 2022/04/27 2022/04/27 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1289.5 1250.1 Analysis
19 Cape Winelands Schools 2022 (U15 Girls) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1253.0 1226.7 Analysis
18 Lanfeberg Schools Chess Trials 2022 (U15) 2022/02/26 2022/02/26 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1243.7 1234.6 Analysis
17 Cape Winelands Schools Closed 2021 (U13 Girls) 2021/09/24 2021/09/24 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1238.7 1218.0 Analysis
16 Cape Winelands Schools Trials 1 2020 (U13 Girls) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.5 1222.7 1172.6 Analysis
15 Cape Winelands Schools - Top Schools 2019 (U13 Mix) 2019/07/27 2019/07/27 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.0 1308.9 1226.6 Analysis
14 2019 WP Youth Open (C) 2019/07/13 2019/07/13 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1308.9 1280.0 Analysis
13 South African Schools Individuals Chess Championships 2019 (U13 Girls) 2019/06/18 2019/06/21 Frances Baard (NCF) Standard 60 0.83 7 7 4.5 1252.2 1226.3 Analysis
12 Western Cape Schools Individuals 2019 (U11 Girls) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 5 3.0 1234.7 1215.5 Analysis
11 Stellenberg Youth Chess Championship 2019 (D) 2019/05/01 2019/05/01 Cape Town (WCT) Standard 60 0.83 5 0 0.0 1234.7 1215.5 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 22 14 1 7 14.5 65.9 135.2 1254.2 1389.4
White 11 7 1 3 7.5 68.2 154.5 1264.4 1419.0
Black 11 7 0 4 7.0 63.6 115.9 1243.9 1359.8
Standard All 16 9 1 6 9.5 59.4 79.7 1286.8 1366.5
White 8 5 1 2 5.5 68.8 159.4 1290.0 1449.4
Black 8 4 0 4 4.0 50.0 0.0 1283.5 1283.5
Rapid All 6 5 0 1 5.0 83.3 283.3 1167.3 1450.6
White 3 2 0 1 2.0 66.7 141.7 1196.2 1337.8
Black 3 3 0 0 3.0 100.0 425.0 1138.4 1563.4
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 161 97 9 55 101.5 63.0 110.9 1165.1 1276.0
White 78 49 3 26 50.5 64.7 125.3 1145.1 1270.4
Black 83 48 6 29 51.0 61.4 97.3 1183.9 1281.2
Standard All 92 54 8 30 58.0 63.0 110.9 1189.4 1300.3
White 45 27 3 15 28.5 63.3 113.3 1174.4 1287.7
Black 47 27 5 15 29.5 62.8 108.5 1203.8 1312.3
Rapid All 64 41 1 22 41.5 64.8 126.2 1114.8 1241.0
White 31 21 0 10 21.0 67.7 150.8 1081.3 1232.1
Black 33 20 1 12 20.5 62.1 103.0 1146.2 1249.3
Blitz All 5 2 0 3 2.0 40.0 -85.0 1362.4 1277.4
White 2 1 0 1 1.0 50.0 0.0 1474.5 1474.5
Black 3 1 0 2 1.0 33.3 -141.7 1287.6 1145.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 209087792 Groenewald, A (Ancha) 4 2.0 2 0 2 50.0 1222.5 0.0 1222.5 View list
2 209078334 Nortje, D (Dell-Maree) 4 1.0 1 0 3 25.0 1225.8 -212.5 1013.3 View list
3 208078559 Van Zyl, M (Mea) 4 0.0 0 0 4 0.0 1296.0 -425.0 871.0 View list
4 2080135529 Hall, K (Kirsten) 3 3.0 3 0 0 100.0 1330.5 425.0 1755.5 View list
5 2080097092 Skippers, F (Fredelen) 3 3.0 3 0 0 100.0 1207.8 425.0 1632.8 View list
6 2080097090 Tseng, T (Tzu Nin) 3 3.0 3 0 0 100.0 1195.2 425.0 1620.2 View list
7 207078345 Scheepers, M (Mieke) 3 1.0 1 0 2 33.3 1264.8 -141.7 1123.1 View list
8 107078356 Douries, S (Steward) 2 2.0 2 0 0 100.0 1308.9 425.0 1733.9 View list
9 2090099594 Engelbrecht, J (Jane) 2 2.0 2 0 0 100.0 1189.2 425.0 1614.2 View list
10 208087360 Kruger, C (Carmen) 2 2.0 2 0 0 100.0 1221.1 425.0 1646.1 View list
11 2090108620 Londen, T (Tamia) 2 2.0 2 0 0 100.0 1308.9 425.0 1733.9 View list
12 2090101915 Maart, M (Mia) 2 2.0 2 0 0 100.0 1308.2 425.0 1733.2 View list
13 2070097089 Tamanie, N (Nicole) 2 2.0 2 0 0 100.0 1221.1 425.0 1646.1 View list
14 207044506 Claassen, C (Carli) 2 1.0 1 0 1 50.0 1252.6 0.0 1252.6 View list
15 2080137711 Chamba, R (Ruvarashe Sharon) 2 1.0 1 0 1 50.0 1315.9 0.0 1315.9 View list
16 207088263 Ntanjana, A (Asemahle) 2 1.0 1 0 1 50.0 1219.4 0.0 1219.4 View list
17 2090097172 Erasmus, A (Anneke) 2 0.5 0 1 1 25.0 1280.3 -212.5 1067.8 View list
18 109078327 Hanekom, L (Logan) 2 0.0 0 0 2 0.0 1308.9 -425.0 883.9 View list
19 2090097163 Johnson, L (Lakeisha) 2 0.0 0 0 2 0.0 1308.2 -425.0 883.2 View list
20 106082146 Kalimashe, K (Kamva) 2 0.0 0 0 2 0.0 1308.9 -425.0 883.9 View list