Player Page

Du Preez, J (Joah)
Dob: 2011/01/24 (U14)
Gender: Male
Chess SA id: 1110117066
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (9 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 rating1327.7
Curent Weighted rating1208.6
Curent Weighted performance1277.1
Current official/published rating (highest between Raw, WR and WP)1327.7
Current floor (min rating allowed)827.7
Current highest rating achieved1327.7
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.68
Difference (S-We)0.32
Current Raw change (no limits, including tournament time weight)9.6
Current min/max change allowed (with limits)±138.2
Current Raw change used (final)9.6
Projected new Raw rating1337.3
Projected new Weighed rating1221.1
Projected new Weighted performance1277.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1337.3
Projected effective change (new Official - current Official)+9.6
Projected new highest rating1337.3
Projected new floor837.3
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 rating1324.4
Curent Weighted rating1192.3
Curent Weighted performance1273.9
Current official/published rating (highest between Raw, WR and WP)1324.4
Current floor (min rating allowed)824.4
Current highest rating achieved1324.4
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.60
Difference (S-We)0.40
Current Raw change (no limits, including tournament time weight)14.4
Current min/max change allowed (with limits)±138.9
Current Raw change used (final)14.4
Projected new Raw rating1338.8
Projected new Weighed rating1206.9
Projected new Weighted performance1273.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1338.8
Projected effective change (new Official - current Official)+14.4
Projected new highest rating1338.8
Projected new floor838.8
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 rating1207.6
Curent Weighted rating1207.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1207.6
Current floor (min rating allowed)707.6
Current highest rating achieved1207.6
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)±164.0
Current Raw change used (final)0.0
Projected new Raw rating1207.6
Projected new Weighed rating1207.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1207.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1207.6
Projected new floor707.6
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 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)707.6
Current highest rating achieved1200.0
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)±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 rating1200.0
Projected new floor707.6
Projected new K-facor36
Tournaments
Tournament: 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1327.7  Rating gain/loss: 9.6
Type rating: 1324.4  Rating gain/loss: 14.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1327.7 1324.4 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1182.8 1177.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1182.8 1177.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1327.7 1324.4 Analysis
13 2024 Tshwane Chess OPEN Registration Tournament (D2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1182.8 1177.1 Analysis
12 2024 Gauteng Inter-Region Chess Championship (U14C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1182.8 1177.1 Analysis
11 2023 Alekhine Open Tournament (D) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1204.5 1200.1 Analysis
10 2023 Etienne Lewis Closed Tournament (U14) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 2.5 1149.9 1126.4 Analysis
9 2023 Jacaranda Round Robin (J) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1149.9 1126.4 Analysis
8 2023 Menlo Open Tournament (D) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1094.1 1050.4 Analysis
7 2023 Tshwane South School District CLOSED Individual Championships (U13 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1146.9 1108.4 Analysis
6 2022 Menlo Open Tournament (D) 2022/07/23 2022/07/23 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1155.5 1110.4 Analysis
5 D4 Individuals 2022 (U11 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 4.0 1125.7 1200.0 Analysis
4 2021 Lardies Ope (D) 2021/10/30 2021/10/30 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1133.7 1118.8 Analysis
3 2021 Chris Greyling Open Tournament (D) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1146.6 1132.8 Analysis
2 2021 Registration Tournament (D) 2021/03/13 2021/03/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1164.5 1156.8 Analysis
1 2019 Menlo Open (E) 2019/07/13 2019/07/13 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 10 0 4 10.0 71.4 182.1 1261.4 1443.6
White 6 5 0 1 5.0 83.3 283.3 1204.9 1488.2
Black 8 5 0 3 5.0 62.5 106.3 1303.8 1410.1
Standard All 14 10 0 4 10.0 71.4 182.1 1261.4 1443.6
White 6 5 0 1 5.0 83.3 283.3 1204.9 1488.2
Black 8 5 0 3 5.0 62.5 106.3 1303.8 1410.1
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 72 34 1 37 34.5 47.9 -17.7 1225.2 1207.5
White 39 19 1 19 19.5 50.0 0.0 1223.4 1223.4
Black 33 15 0 18 15.0 45.5 -38.6 1227.4 1188.7
Standard All 65 30 1 34 30.5 46.9 -26.2 1225.7 1199.6
White 35 18 1 16 18.5 52.9 24.3 1222.3 1246.6
Black 30 12 0 18 12.0 40.0 -85.0 1229.7 1144.7
Rapid All 7 4 0 3 4.0 57.1 60.7 1220.3 1281.0
White 4 1 0 3 1.0 25.0 -212.5 1232.8 1020.3
Black 3 3 0 0 3.0 100.0 425.0 1203.7 1628.7
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 2120105112 Bogaard, A (Anneke) 2 1.0 1 0 1 50.0 1155.5 0.0 1155.5 View list
2 1140160790 Bienedell, R (Robin) 2 1.0 1 0 1 50.0 1138.4 0.0 1138.4 View list
3 1110108346 Mcphail, M (Matthew) 2 0.0 0 0 2 0.0 1155.7 -425.0 730.7 View list
4 1140157438 Brenner, B (Bennett) 1 1.0 1 0 0 100.0 1149.9 425.0 1574.9 View list
5 1090134032 De Roos, H (Hubert) 1 1.0 1 0 0 100.0 1133.7 425.0 1558.7 View list
6 1100154171 De Meyer, M (Marius) 1 1.0 1 0 0 100.0 1146.9 425.0 1571.9 View list
7 1110107188 De Beer, L (Liam) 1 1.0 1 0 0 100.0 1149.9 425.0 1574.9 View list
8 2090098600 Goosen, M (Mieke) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
9 1090157435 Du Toit, C (Colenso) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
10 1120139655 Du Toit, C (Christiaan) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
11 2120112515 Du Randt, L (Lea) 1 1.0 1 0 0 100.0 1094.1 425.0 1519.1 View list
12 2150147100 Dixon, G (Genevieve) 1 1.0 1 0 0 100.0 1204.5 425.0 1629.5 View list
13 1100117077 Jacobs, R (Rico) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 110092125 Jansen Van Vuuren, J (Joshua) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
15 2140137411 Keyter, A (Alissa) 1 1.0 1 0 0 100.0 1149.9 425.0 1574.9 View list
16 111087833 Kleynhans, V (Victor) 1 1.0 1 0 0 100.0 1164.5 425.0 1589.5 View list
17 1120139983 Kotze, J (Joshua) 1 1.0 1 0 0 100.0 1125.7 425.0 1550.7 View list
18 1070133908 Mametse, O (Ontheeditse) 1 1.0 1 0 0 100.0 1164.5 425.0 1589.5 View list
19 1120191625 Mokoena, K (Kopano) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list
20 1110145391 Ngele, P (Phomelelo) 1 1.0 1 0 0 100.0 1182.8 425.0 1607.8 View list