Player Page

Jacobs, S (Stefiano)
Dob: 2017/06/30 (U8)
Gender: Male
Chess SA id: 1170193202
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (145 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 rating932.0
Current Weighted rating1088.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1088.8
Current highest rating achieved1114.3
Current floor (min rating allowed)614.3
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)±242.9
Current Raw change used (final)0.0
Projected new Raw rating932.0
Projected new Weighed rating998.0
Projected new Weighted performance681.8
Projected new final Raw rating (if new WP > new Raw)932.0
Projected new highest rating1114.3
Projected new floor614.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)998.0
Projected effective change (new Official - current Official)-90.8
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 rating896.4
Current Weighted rating1072.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1072.1
Current highest rating achieved1094.8
Current floor (min rating allowed)594.8
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)±255.6
Current Raw change used (final)0.0
Projected new Raw rating896.4
Projected new Weighed rating982.0
Projected new Weighted performance681.8
Projected new final Raw rating (if new WP > new Raw)896.4
Projected new highest rating1094.8
Projected new floor594.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)982.0
Projected effective change (new Official - current Official)-90.0
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
4 Western Cape PS Individuals Championship 2024 (U7 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 941.0 894.8 Analysis
3 Eden Chess Trials 2 2024 (U8) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 9 0.0 1067.5 1039.2 Analysis
2 Eden School Chess Trials 1 2024 (U7 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 3 0.0 1114.3 1094.8 Analysis
1 OUDUSSA Trials 2 2024 (U7+U9 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 4 0.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Western Cape PS Individuals Championship 2024 (U7 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 1.0 941.0 894.8 Analysis
3 Eden Chess Trials 2 2024 (U8) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 9 0.0 1067.5 1039.2 Analysis
2 Eden School Chess Trials 1 2024 (U7 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 3 0.0 1114.3 1094.8 Analysis
1 OUDUSSA Trials 2 2024 (U7+U9 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 4 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 22 1 0 21 1.0 4.5 -386.4 1142.8 756.5
White 12 0 0 12 0.0 0.0 -425.0 1155.9 730.9
Black 10 1 0 9 1.0 10.0 -340.0 1127.1 787.1
Standard All 22 1 0 21 1.0 4.5 -386.4 1142.8 756.5
White 12 0 0 12 0.0 0.0 -425.0 1155.9 730.9
Black 10 1 0 9 1.0 10.0 -340.0 1127.1 787.1
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 22 1 0 21 1.0 4.5 -386.4 1142.8 756.5
White 12 0 0 12 0.0 0.0 -425.0 1155.9 730.9
Black 10 1 0 9 1.0 10.0 -340.0 1127.1 787.1
Standard All 22 1 0 21 1.0 4.5 -386.4 1142.8 756.5
White 12 0 0 12 0.0 0.0 -425.0 1155.9 730.9
Black 10 1 0 9 1.0 10.0 -340.0 1127.1 787.1
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 1170193019 Bruiners, J (Jeanne) 2 0.0 0 0 2 0.0 1090.9 -425.0 665.9 View list
2 1170192941 Muller, D (Darryn) 2 0.0 0 0 2 0.0 1090.9 -425.0 665.9 View list
3 1170191745 Saayman, N (Nicolin) 2 0.0 0 0 2 0.0 1090.9 -425.0 665.9 View list
4 1170192939 Kotze, B (Barend) 2 0.0 0 0 2 0.0 1004.3 -425.0 579.3 View list
5 1180192861 Joseph, E (Elliah) 1 1.0 1 0 0 100.0 941.0 425.0 1366.0 View list
6 2160156973 Rabie, M (Mizelle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1170192625 Niemand, J (Jano) 1 0.0 0 0 1 0.0 941.0 -425.0 516.0 View list
8 1170300082 Le Roux, M (Markus) 1 0.0 0 0 1 0.0 941.0 -425.0 516.0 View list
9 2170193021 Bezuidenhout, C (Clara) 1 0.0 0 0 1 0.0 1067.5 -425.0 642.5 View list
10 1170192575 Jonker, W (William) 1 0.0 0 0 1 0.0 941.0 -425.0 516.0 View list
11 2170193023 Hodgson, N (Neva) 1 0.0 0 0 1 0.0 1067.5 -425.0 642.5 View list
12 1170192937 Hessie, L (Luke) 1 0.0 0 0 1 0.0 1067.5 -425.0 642.5 View list
13 1160162388 Groenewald, J (Janu) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1150151108 Gelant, L (Lukandrick) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1170300079 Fourie, C (Cj) 1 0.0 0 0 1 0.0 941.0 -425.0 516.0 View list
16 2170148873 Eiliyah, D (Drude) 1 0.0 0 0 1 0.0 1067.5 -425.0 642.5 View list
17 2150139287 De Villiers, A (Azalea) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 2170193022 De Swart, R (Rebecca) 1 0.0 0 0 1 0.0 1067.5 -425.0 642.5 View list