Player Page

Robberts, S (Stefan Johan)
Dob: 2004/09/20 (Adult)
Gender: Male
Chess SA id: 104044537
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2019/06/01 (1849 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 rating1111.6
Current Weighted rating1111.6
Current Weighted performance392.0
Current official/published rating (highest between Raw, WR and WP)1111.6
Current highest rating achieved1146.3
Current floor (min rating allowed)646.3
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)±188.1
Current Raw change used (final)0.0
Projected new Raw rating1111.6
Projected new Weighed rating1022.7
Projected new Weighted performance392.0
Projected new final Raw rating (if new WP > new Raw)1111.6
Projected new highest rating1146.3
Projected new floor646.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1111.6
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 rating1100.7
Current Weighted rating1100.7
Current Weighted performance392.0
Current official/published rating (highest between Raw, WR and WP)1100.7
Current highest rating achieved1141.9
Current floor (min rating allowed)641.9
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)±191.0
Current Raw change used (final)0.0
Projected new Raw rating1100.7
Projected new Weighed rating1012.6
Projected new Weighted performance392.0
Projected new final Raw rating (if new WP > new Raw)1100.7
Projected new highest rating1141.9
Projected new floor641.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1100.7
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 rating705.4
Current Weighted rating684.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)705.4
Current highest rating achieved705.4
Current floor (min rating allowed)500.0
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)±335.5
Current Raw change used (final)0.0
Projected new Raw rating705.4
Projected new Weighed rating630.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating705.4
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)705.4
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 rating668.4
Current Weighted rating668.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)668.4
Current highest rating achieved678.0
Current floor (min rating allowed)500.0
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)±353.6
Current Raw change used (final)0.0
Projected new Raw rating668.4
Projected new Weighed rating614.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating678.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)668.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 Mangaung Metro Chess 31 May to 1 June 2019 (C) 2019/05/31 2019/06/01 Mangaung (FMB) Standard 62 0.84 5 5 2.5 1097.8 1082.7 Analysis
12 Inter Regional Chess Championship 2019 (U16) 2019/05/10 2019/05/11 Mangaung (FMB) Standard 60 0.83 5 4 1.0 1146.3 1141.9 Analysis
11 Mangaung Metro Chess 12 to 13 April 2019 (C) 2019/04/12 2019/04/13 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1100.6 1099.3 Analysis
10 Morris Club Challenge 2019 2019/02/16 2019/02/16 Mangaung (FMB) Standard 60 0.83 5 5 3.0 921.9 923.7 Analysis
9 Mangaung Metro Chess 1-2 February 2019 (C) 2019/02/01 2019/02/02 Mangaung (FMB) Standard 62 0.84 5 5 2.0 921.9 923.7 Analysis
8 Mangaung Metro Chess 18-19 January 2019 (C) 2019/01/18 2019/01/19 Mangaung (FMB) Standard 62 0.84 5 5 2.0 856.5 860.3 Analysis
7 South African Junior Team Championships 2018 (U16B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 0.0 899.5 902.2 Analysis
6 Free State Open 2018 (C) 2018/08/17 2018/08/18 Mangaung (FMB) Standard 62 0.84 6 6 4.0 749.2 751.8 Analysis
5 Inter Regional 2018 (U16 Team) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 1.0 681.5 693.2 Analysis
4 Mangaung Metro Chess 20-21 April 2018 (C) 2018/04/20 2018/04/21 Mangaung (FMB) Standard 62 0.84 5 5 2.0 636.5 639.2 Analysis
3 Mangaung Metro Chess 2 & 3 February 2018 (C) 2018/02/02 2018/02/03 Mangaung (FMB) Standard 62 0.84 5 4 1.0 615.3 614.0 Analysis
2 Mangaung Metro Chess 19 & 20 January 2018 (C) 2018/01/19 2018/01/20 Mangaung (FMB) Standard 62 0.84 5 4 1.0 668.4 668.4 Analysis
1 South African Junior Team Championships 2017 (U14C) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 0.0 668.4 668.4 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 67 22 1 44 22.5 33.6 -139.6 1079.8 940.2
White 33 12 0 21 12.0 36.4 -115.9 1101.3 985.3
Black 34 10 1 23 10.5 30.9 -162.5 1058.9 896.4
Standard All 67 22 1 44 22.5 33.6 -139.6 1079.8 940.2
White 33 12 0 21 12.0 36.4 -115.9 1101.3 985.3
Black 34 10 1 23 10.5 30.9 -162.5 1058.9 896.4
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 105035097 Smit, A (Albert) 3 2.0 2 0 1 66.7 640.1 141.7 781.7 View list
2 105053233 Fouchee, M (Marinus) 3 1.0 1 0 2 33.3 864.3 -141.7 722.7 View list
3 108086187 Rossouw, J (Johrne) 2 2.0 2 0 0 100.0 1099.2 425.0 1524.2 View list
4 1040106774 Redguard, J (Junaid) 2 1.0 1 0 1 50.0 1011.3 0.0 1011.3 View list
5 207064249 Boje, C (Carissa) 2 0.0 0 0 2 0.0 977.1 -425.0 552.1 View list
6 104068823 Segale, N (Neo) 2 0.0 0 0 2 0.0 907.3 -425.0 482.3 View list
7 109093312 Deetlefs, W (Werleo) 1 1.0 1 0 0 100.0 636.5 425.0 1061.5 View list
8 103077678 Jacobs, D (Duwayne) 1 1.0 1 0 0 100.0 681.5 425.0 1106.5 View list
9 207076080 Jansen Van Rensburg, K (Kara) 1 1.0 1 0 0 100.0 749.2 425.0 1174.2 View list
10 103085523 Lefeta, T (Thato) 1 1.0 1 0 0 100.0 749.2 425.0 1174.2 View list
11 1050109552 Geldenhuys, M (Michael) 1 1.0 1 0 0 100.0 921.9 425.0 1346.9 View list
12 104069240 Lengau, T (Thuto) 1 1.0 1 0 0 100.0 668.4 425.0 1093.4 View list
13 1040106458 Mcthebe, M (Marshall) 1 1.0 1 0 0 100.0 1097.8 425.0 1522.8 View list
14 108069747 Melville, J (Jason) 1 1.0 1 0 0 100.0 921.9 425.0 1346.9 View list
15 2050105427 Mogorosie, L (Lindsay) 1 1.0 1 0 0 100.0 1100.6 425.0 1525.6 View list
16 1010105439 Peters, L (Lennox) 1 1.0 1 0 0 100.0 749.2 425.0 1174.2 View list
17 204030549 Poolman, JM (Johanna) 1 1.0 1 0 0 100.0 856.5 425.0 1281.5 View list
18 204079335 Shariff, S (Stacey) 1 1.0 1 0 0 100.0 921.9 425.0 1346.9 View list
19 1090100911 Streicher, S (Stefan) 1 1.0 1 0 0 100.0 856.5 425.0 1281.5 View list
20 104036958 Swart, D (Dian) 1 1.0 1 0 0 100.0 1146.3 425.0 1571.3 View list