Player Page

Breytenbach, J (Jandrey)
Dob: 2007/10/09 (U18)
Gender: Male
Chess SA id: 1070144859
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/05/06 (568 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 rating1132.4
Current Weighted rating1134.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1134.8
Current highest rating achieved1179.4
Current floor (min rating allowed)679.4
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)±182.6
Current Raw change used (final)0.0
Projected new Raw rating1132.4
Projected new Weighed rating1043.4
Projected new Weighted performance401.4
Projected new final Raw rating (if new WP > new Raw)1132.4
Projected new highest rating1179.4
Projected new floor679.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1132.4
Projected effective change (new Official - current Official)-2.4
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 rating1177.2
Current Weighted rating1177.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1177.2
Current highest rating achieved1177.2
Current floor (min rating allowed)677.2
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)±171.3
Current Raw change used (final)0.0
Projected new Raw rating1177.2
Projected new Weighed rating1083.0
Projected new Weighted performance258.5
Projected new final Raw rating (if new WP > new Raw)1177.2
Projected new highest rating1177.2
Projected new floor677.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1177.2
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 rating1116.4
Current Weighted rating1120.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1120.6
Current highest rating achieved1116.4
Current floor (min rating allowed)616.4
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)±186.8
Current Raw change used (final)0.0
Projected new Raw rating1116.4
Projected new Weighed rating1029.9
Projected new Weighted performance204.8
Projected new final Raw rating (if new WP > new Raw)1116.4
Projected new highest rating1116.4
Projected new floor616.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1116.4
Projected effective change (new Official - current Official)-4.2
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
2 Benoni Cluster High School League 2023 (U19 Open) 2023/05/06 2023/05/06 Ekurhuleni (GE) Rapid 30 0.60 5 4 0.0 1179.4 1200.0 Analysis
1 Ekurhuleni-North Schools Teams 2022 (U15) 2022/08/13 2022/08/13 Ekurhuleni (GE) Standard 60 0.83 5 5 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 9 2 0 7 2.0 22.2 -236.1 1178.3 942.2
White 4 2 0 2 2.0 50.0 0.0 1188.7 1188.7
Black 5 0 0 5 0.0 0.0 -425.0 1170.0 745.0
Standard All 5 2 0 3 2.0 40.0 -85.0 1170.6 1085.6
White 2 2 0 0 2.0 100.0 425.0 1169.7 1594.7
Black 3 0 0 3 0.0 0.0 -425.0 1171.2 746.2
Rapid All 4 0 0 4 0.0 0.0 -425.0 1187.9 762.9
White 2 0 0 2 0.0 0.0 -425.0 1207.7 782.7
Black 2 0 0 2 0.0 0.0 -425.0 1168.2 743.2
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 2080142623 Rwodzi, M (Makanaka) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 2090144875 Nkungwana, K (Kutloano) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1080098207 Venter, A (Ary) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 1070144883 Taliotes, K (Kimon) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list
5 1080142586 Esterhuizen, S (Steven) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 1070144886 Botes, L (Liam) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list
7 1080135404 Robbetze, Z (Zamian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1070142616 Puntis, C (Connor) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list
9 1070154926 Pillay, C (Caylen) 1 0.0 0 0 1 0.0 1179.4 -425.0 754.4 View list