Player Page

Pretorius, J (Johannes)
Dob: 2012/12/26 (U14)
Gender: Male
Chess SA id: 1120146484
FIDE id:
Region: Pixley-ka-Seme (NCP)
Citizen: RSA
Title(s):
Last active: 2024/10/12 (58 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 rating1159.7
Current Weighted rating1161.5
Current Weighted performance1118.7
Current official/published rating (highest between Raw, WR and WP)1161.5
Current highest rating achieved1233.3
Current floor (min rating allowed)733.3
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)±175.6
Current Raw change used (final)0.0
Projected new Raw rating1159.7
Projected new Weighed rating1067.6
Projected new Weighted performance1118.7
Projected new final Raw rating (if new WP > new Raw)1159.7
Projected new highest rating1233.3
Projected new floor733.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1159.7
Projected effective change (new Official - current Official)-1.8
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 rating1155.8
Current Weighted rating1158.8
Current Weighted performance1118.7
Current official/published rating (highest between Raw, WR and WP)1158.8
Current highest rating achieved1242.8
Current floor (min rating allowed)742.8
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)±176.6
Current Raw change used (final)0.0
Projected new Raw rating1155.8
Projected new Weighed rating1065.0
Projected new Weighted performance1118.7
Projected new final Raw rating (if new WP > new Raw)1155.8
Projected new highest rating1242.8
Projected new floor742.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1155.8
Projected effective change (new Official - current Official)-3.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 2024 Hopetown Schools Chess Tournament (U13) 2024/10/12 2024/10/12 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 1.0 1163.6 1167.3 Analysis
6 2024 Frances Baard Open 6.0 (C) 2024/10/05 2024/10/05 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1163.6 1167.3 Analysis
5 2024 NC Closed Chess Championships (U14 Open) 2024/08/23 2024/08/25 Frances Baard (NCF) Standard 92 0.94 5 5 2.0 1135.3 1129.1 Analysis
4 Hopetown Schools Chess Tournament 2024 (U13) 2024/08/17 2024/08/17 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1135.3 1129.1 Analysis
3 2024 HSDA Open 3 (U13) 2024/07/27 2024/07/27 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 2.0 1131.1 1124.4 Analysis
2 Hopetown Open Chess Tournament 2024 (U14+U16) 2024/04/20 2024/04/20 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 2.0 1178.0 1176.6 Analysis
1 The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13) 2024/04/06 2024/04/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 1.0 1178.0 1176.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 2024 Hopetown Schools Chess Tournament (U13) 2024/10/12 2024/10/12 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 1.0 1163.6 1167.3 Analysis
9 2024 Frances Baard Open 6.0 (C) 2024/10/05 2024/10/05 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1163.6 1167.3 Analysis
8 2024 NC Closed Chess Championships (U14 Open) 2024/08/23 2024/08/25 Frances Baard (NCF) Standard 92 0.94 5 5 2.0 1135.3 1129.1 Analysis
7 Hopetown Schools Chess Tournament 2024 (U13) 2024/08/17 2024/08/17 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1135.3 1129.1 Analysis
6 2024 HSDA Open 3 (U13) 2024/07/27 2024/07/27 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 2.0 1131.1 1124.4 Analysis
5 Hopetown Open Chess Tournament 2024 (U14+U16) 2024/04/20 2024/04/20 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 2.0 1178.0 1176.6 Analysis
4 The Pixley ka Seme Chess Open Schools Tournament 2024 (U11+U13) 2024/04/06 2024/04/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 1.0 1178.0 1176.6 Analysis
3 Hopetown School Chess Open Tournament 2023 (U11+U13) 2023/05/06 2023/05/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 1.0 1233.3 1242.8 Analysis
2 Hopetown Schools Chess Open Tournament 2023 (U11) 2023/02/25 2023/02/25 John Taolo Gaetswewe (NCJ) Standard 62 0.84 5 5 4.0 1183.2 1181.2 Analysis
1 Pixley Chess Trials 2022 (U12) 2022/09/03 2022/09/03 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 33 14 0 19 14.0 42.4 -64.4 1205.7 1141.3
White 16 8 0 8 8.0 50.0 0.0 1202.8 1202.8
Black 17 6 0 11 6.0 35.3 -125.0 1208.3 1083.3
Standard All 33 14 0 19 14.0 42.4 -64.4 1205.7 1141.3
White 16 8 0 8 8.0 50.0 0.0 1202.8 1202.8
Black 17 6 0 11 6.0 35.3 -125.0 1208.3 1083.3
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 48 21 0 27 21.0 43.8 -53.1 1198.9 1145.8
White 23 10 0 13 10.0 43.5 -55.4 1194.8 1139.4
Black 25 11 0 14 11.0 44.0 -51.0 1202.7 1151.7
Standard All 48 21 0 27 21.0 43.8 -53.1 1198.9 1145.8
White 23 10 0 13 10.0 43.5 -55.4 1194.8 1139.4
Black 25 11 0 14 11.0 44.0 -51.0 1202.7 1151.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110156834 Claassen, D (David Christian) 3 0.0 0 0 3 0.0 1176.0 -425.0 751.0 View list
2 1120156833 Biko, L (Lihlumile) 2 2.0 2 0 0 100.0 1156.7 425.0 1581.7 View list
3 2110136559 Fischer, C (Carlanda) 2 1.0 1 0 1 50.0 1147.3 0.0 1147.3 View list
4 1120161423 Louw, J (Jason) 2 1.0 1 0 1 50.0 1149.4 0.0 1149.4 View list
5 1120146483 Links, C (Christiano) 2 1.0 1 0 1 50.0 1191.6 0.0 1191.6 View list
6 2110105341 Botha, A (Ane) 2 1.0 1 0 1 50.0 1205.7 0.0 1205.7 View list
7 1110159423 Snyman, J (Jan) 2 1.0 1 0 1 50.0 1135.3 0.0 1135.3 View list
8 1110150643 Morai, T (Tlotlisang) 2 0.0 0 0 2 0.0 1184.3 -425.0 759.3 View list
9 2120301747 Matekwe, E (Elsa) 1 1.0 1 0 0 100.0 1131.1 425.0 1556.1 View list
10 1110312034 Jones, K (Kwezi) 1 1.0 1 0 0 100.0 1163.6 425.0 1588.6 View list
11 1110307725 Mjandana, O (Olereko) 1 1.0 1 0 0 100.0 1163.6 425.0 1588.6 View list
12 2120302902 Meyer, J (Jakoba) 1 1.0 1 0 0 100.0 1163.6 425.0 1588.6 View list
13 1130156835 Du Preez, J (Jody) 1 1.0 1 0 0 100.0 1233.3 425.0 1658.3 View list
14 1140146475 De Noon, S (Stian Johanco) 1 1.0 1 0 0 100.0 1183.2 425.0 1608.2 View list
15 1120146481 Combrink, A (Adrian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1120307723 Kitengye, A (Archange) 1 1.0 1 0 0 100.0 1135.3 425.0 1560.3 View list
17 2120136558 Fischer, A (Amike) 1 1.0 1 0 0 100.0 1163.6 425.0 1588.6 View list
18 2150140890 Pienaar, E (Edrei) 1 1.0 1 0 0 100.0 1183.2 425.0 1608.2 View list
19 1120141400 Pringle, J (John-Lucas) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 1100301619 Snyman, H (Hendrik Johannes) 1 1.0 1 0 0 100.0 1178.0 425.0 1603.0 View list