Player Page

Oosthuizen, B (Brett)
Dob: 2011/11/30 (U14)
Gender: Male
Chess SA id: 1110117568
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2022/07/23 (695 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 rating1226.5
Current Weighted rating1226.5
Current Weighted performance846.3
Current official/published rating (highest between Raw, WR and WP)1226.5
Current highest rating achieved1253.9
Current floor (min rating allowed)753.9
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)±159.7
Current Raw change used (final)0.0
Projected new Raw rating1226.5
Projected new Weighed rating1128.4
Projected new Weighted performance846.3
Projected new final Raw rating (if new WP > new Raw)1226.5
Projected new highest rating1253.9
Projected new floor753.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1226.5
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 rating1216.8
Current Weighted rating1216.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1216.8
Current highest rating achieved1231.2
Current floor (min rating allowed)731.2
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)±161.9
Current Raw change used (final)0.0
Projected new Raw rating1216.8
Projected new Weighed rating1119.5
Projected new Weighted performance468.8
Projected new final Raw rating (if new WP > new Raw)1216.8
Projected new highest rating1231.2
Projected new floor731.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.8
Projected effective change (new Official - current Official)=0.0
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 rating1208.9
Current Weighted rating1208.9
Current Weighted performance830.1
Current official/published rating (highest between Raw, WR and WP)1208.9
Current highest rating achieved1262.9
Current floor (min rating allowed)762.9
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)±163.7
Current Raw change used (final)0.0
Projected new Raw rating1208.9
Projected new Weighed rating1112.2
Projected new Weighted performance830.1
Projected new final Raw rating (if new WP > new Raw)1208.9
Projected new highest rating1262.9
Projected new floor762.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1208.9
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Pedro Booyse Top Schools 2022 (U11 Open) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 6 2.5 1231.9 1231.2 Analysis
8 Onder-Weskus Top Skole 2022 (O11+O13 Meisies) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 6 4 2.5 1223.7 1199.2 Analysis
7 Western Cape Schools 2021 (U11 Boys) 2021/10/23 2021/10/23 Overberg (WOS) Rapid 35 0.66 5 5 1.0 1253.9 1262.9 Analysis
6 West Coast Primary Schools Prestige 2021 (U11) 2021/09/18 2021/09/18 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1240.3 1237.7 Analysis
5 Lower West Coast Schools Chess Prestige 2021 (U11 Boys) 2021/05/15 2021/05/15 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1227.3 1207.1 Analysis
4 West Coast Schools Prestige 2020 (U9 Boys) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 2.5 1226.2 1209.6 Analysis
3 Onder Weskus Prestige 2020 (U9 Boys) 2020/02/15 2020/02/22 West Coast (WCU) Standard 60 0.83 6 6 4.0 1211.0 1200.0 Analysis
2 Back to School Rapid 2020 (U10) 2020/02/01 2020/02/01 West Coast (WCU) Rapid 20 0.47 5 5 2.5 1211.0 1223.6 Analysis
1 Weskus Topskole 2019 (U9) 2019/07/20 2019/07/20 West Coast (WCU) Rapid 30 0.60 3 3 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 47 23 5 19 25.5 54.3 36.2 1213.6 1249.8
White 24 10 4 10 12.0 50.0 0.0 1189.9 1189.9
Black 23 13 1 9 13.5 58.7 73.9 1238.4 1312.3
Standard All 12 6 1 5 6.5 54.2 35.4 1229.4 1264.9
White 6 3 1 2 3.5 58.3 70.8 1218.9 1289.8
Black 6 3 0 3 3.0 50.0 0.0 1239.9 1239.9
Rapid All 35 17 4 14 19.0 54.3 36.4 1208.2 1244.6
White 18 7 3 8 8.5 47.2 -23.6 1180.2 1156.6
Black 17 10 1 6 10.5 61.8 100.0 1237.8 1337.8
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 1110131950 Bowden, R (Ryan) 3 3.0 3 0 0 100.0 1230.0 425.0 1655.0 View list
2 1110100594 Lawrence, J (Joel) 3 0.0 0 0 3 0.0 1203.7 -425.0 778.7 View list
3 111046640 Cilliers, A (Alex) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
4 2110110235 Mouton, K (Kari) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
5 2130142256 Marinus, M (Madison) 2 1.5 1 1 0 75.0 1223.7 212.5 1436.2 View list
6 1110134293 Davidson, C (Caden) 2 1.5 1 1 0 75.0 1233.8 212.5 1446.3 View list
7 1120131772 Visagie, D (Dian) 2 1.5 1 1 0 75.0 1218.6 212.5 1431.1 View list
8 1110110252 Botha, T (Tristan) 2 1.0 1 0 1 50.0 1219.2 0.0 1219.2 View list
9 1110110254 Claassen, J (Jayden) 2 1.0 1 0 1 50.0 1218.6 0.0 1218.6 View list
10 209090549 Pieters, A (Astrolita) 2 1.0 1 0 1 50.0 1223.7 0.0 1223.7 View list
11 1120110478 Maletta, S (Sherevitho) 2 0.5 0 1 1 25.0 1231.9 -212.5 1019.4 View list
12 1110131966 Tieties, B (Beauton) 2 0.0 0 0 2 0.0 1231.9 -425.0 806.9 View list
13 1110099726 Cloete, K (Keenan) 1 1.0 1 0 0 100.0 1240.3 425.0 1665.3 View list
14 1110134294 Erasmus, A (Austin) 1 1.0 1 0 0 100.0 1227.3 425.0 1652.3 View list
15 1120100598 Ellman, A (Andries) 1 1.0 1 0 0 100.0 1211.0 425.0 1636.0 View list
16 1110110253 Da Silva, D (Daniel) 1 1.0 1 0 0 100.0 1211.0 425.0 1636.0 View list
17 1110130689 Karriem, R (Rayan) 1 1.0 1 0 0 100.0 1253.9 425.0 1678.9 View list
18 2110099724 Joseph, V (Vernitrune) 1 1.0 1 0 0 100.0 1240.3 425.0 1665.3 View list
19 1110099716 Maarman, B (Blayden) 1 1.0 1 0 0 100.0 1227.3 425.0 1652.3 View list
20 111078591 Nel, F (Fourie) 1 1.0 1 0 0 100.0 1226.2 425.0 1651.2 View list