Player Page

Retief, J (Janse)
Dob: 2013/02/24 (U12)
Gender: Male
Chess SA id: 1130150407
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/06/24 (526 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 rating1253.2
Current Weighted rating1252.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1253.2
Current highest rating achieved1253.2
Current floor (min rating allowed)753.2
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)±153.7
Current Raw change used (final)0.0
Projected new Raw rating1253.2
Projected new Weighed rating1152.8
Projected new Weighted performance919.5
Projected new final Raw rating (if new WP > new Raw)1253.2
Projected new highest rating1253.2
Projected new floor753.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1253.2
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 rating1237.1
Current Weighted rating1237.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1237.1
Current highest rating achieved1239.6
Current floor (min rating allowed)739.6
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)±157.3
Current Raw change used (final)0.0
Projected new Raw rating1237.1
Projected new Weighed rating1138.1
Projected new Weighted performance605.0
Projected new final Raw rating (if new WP > new Raw)1237.1
Projected new highest rating1239.6
Projected new floor739.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1237.1
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 rating1236.4
Current Weighted rating1235.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1236.4
Current highest rating achieved1236.4
Current floor (min rating allowed)736.4
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)±157.4
Current Raw change used (final)0.0
Projected new Raw rating1236.4
Projected new Weighed rating1137.1
Projected new Weighted performance612.3
Projected new final Raw rating (if new WP > new Raw)1236.4
Projected new highest rating1236.4
Projected new floor736.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1236.4
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
4 GPCA Rapid 2023 (U12) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 3.5 1248.5 1225.6 Analysis
3 Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1247.3 1239.6 Analysis
2 Laerskool Welgemoed Rapid 2023 (U12) 2023/02/11 2023/02/11 Cape Town (WCT) Rapid 25 0.54 6 6 3.5 1200.0 1200.0 Analysis
1 North District School Trials 2023 (U11 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 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 25 12 4 9 14.0 56.0 51.0 1238.2 1289.2
White 12 8 3 1 9.5 79.2 247.9 1228.7 1476.6
Black 13 4 1 8 4.5 34.6 -130.8 1247.1 1116.3
Standard All 12 6 2 4 7.0 58.3 70.8 1232.2 1303.0
White 6 4 2 0 5.0 83.3 283.3 1236.1 1519.5
Black 6 2 0 4 2.0 33.3 -141.7 1228.3 1086.6
Rapid All 13 6 2 5 7.0 53.8 32.7 1243.8 1276.5
White 6 4 1 1 4.5 75.0 212.5 1221.2 1433.7
Black 7 2 1 4 2.5 35.7 -121.4 1263.1 1141.7
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 1120138611 Waldeck, A (Aaron) 2 2.0 2 0 0 100.0 1223.7 425.0 1648.7 View list
2 1130132165 Calitz, S (Steyn) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
3 1130137322 De Villiers, C (Christiaan) 2 1.0 1 0 1 50.0 1224.3 0.0 1224.3 View list
4 1120140730 Malherbe, J (Jeevan) 2 0.0 0 0 2 0.0 1224.3 -425.0 799.3 View list
5 1120132064 Fourie, R (Ruan) 2 0.0 0 0 2 0.0 1224.3 -425.0 799.3 View list
6 1120150462 Wang, Z (Zi Ang) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
7 1120157077 Meyer, A (Adam) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
8 2130137564 Coetzee, E (Emma) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 2130130554 September, C (Chameeka) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1120118992 Van Zyl, F (Frede) 1 1.0 1 0 0 100.0 1247.3 425.0 1672.3 View list
11 1120150391 Dennis, N (Nathier) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 2130143657 Booysen, G (Giavanna) 1 1.0 1 0 0 100.0 1248.5 425.0 1673.5 View list
13 1120156892 Bernardo, J (Jean-Luc) 1 0.5 0 1 0 50.0 1248.5 0.0 1248.5 View list
14 1130137327 Louw, L (Lukas) 1 0.5 0 1 0 50.0 1247.3 0.0 1247.3 View list
15 1120150287 Siteto, L (Lindokuhle) 1 0.5 0 1 0 50.0 1247.3 0.0 1247.3 View list
16 1120137368 Sher, J (Jonah) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
17 1120150404 Musakwa, C (Carlton) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1120147734 Moodley, K (Kartar) 1 0.0 0 0 1 0.0 1247.3 -425.0 822.3 View list
19 1130116442 Grove, T (Tyler) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 1130134375 Copley, M (Murray) 1 0.0 0 0 1 0.0 1247.3 -425.0 822.3 View list