Player Page

Jacobs, A (Akifah)
Dob: 2010/02/07 (U16)
Gender: Female
Chess SA id: 2100158973
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/09/03 (291 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 rating1170.3
Current Weighted rating1178.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1178.9
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)±173.0
Current Raw change used (final)0.0
Projected new Raw rating1170.3
Projected new Weighed rating1084.0
Projected new Weighted performance561.2
Projected new final Raw rating (if new WP > new Raw)1170.3
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)1170.3
Projected effective change (new Official - current Official)-8.6
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 rating1180.6
Current Weighted rating1187.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1187.4
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)±170.5
Current Raw change used (final)0.0
Projected new Raw rating1180.6
Projected new Weighed rating1092.0
Projected new Weighted performance335.9
Projected new final Raw rating (if new WP > new Raw)1180.6
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)1180.6
Projected effective change (new Official - current Official)-6.8
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 rating1165.8
Current Weighted rating1174.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1174.7
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)±174.1
Current Raw change used (final)0.0
Projected new Raw rating1165.8
Projected new Weighed rating1080.1
Projected new Weighted performance296.5
Projected new final Raw rating (if new WP > new Raw)1165.8
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)1165.8
Projected effective change (new Official - current Official)-8.9
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 Western Cape Top Schools 2023 (U13 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 2.0 1179.9 1200.0 Analysis
1 CT Metro District South Top Schools 2023 (U9+U11 Mixed + U13 Girls) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 5 4 1.0 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 3 0 6 3.0 33.3 -141.7 1208.5 1066.9
White 4 0 0 4 0.0 0.0 -425.0 1229.8 804.8
Black 5 3 0 2 3.0 60.0 85.0 1191.5 1276.5
Standard All 5 2 0 3 2.0 40.0 -85.0 1204.1 1119.1
White 2 0 0 2 0.0 0.0 -425.0 1259.7 834.7
Black 3 2 0 1 2.0 66.7 141.7 1167.0 1308.7
Rapid All 4 1 0 3 1.0 25.0 -212.5 1214.1 1001.6
White 2 0 0 2 0.0 0.0 -425.0 1200.0 775.0
Black 2 1 0 1 1.0 50.0 0.0 1228.2 1228.2
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 2120159240 Groenewald, L (Libby) 1 1.0 1 0 0 100.0 1179.9 425.0 1604.9 View list
2 2120159038 Nelson, C (Chanel) 1 1.0 1 0 0 100.0 1179.9 425.0 1604.9 View list
3 2130158966 Abrahams, A (Amani) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1120158980 Ngcukana, S (Siphesihle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 2110131958 Moses, F (Fabiante) 1 0.0 0 0 1 0.0 1179.9 -425.0 754.9 View list
6 1140146771 Morrison, C (Charlie) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 2130139077 Don, M (Mikayla) 1 0.0 0 0 1 0.0 1179.9 -425.0 754.9 View list
8 2100118904 Claassen, K (Keaney) 1 0.0 0 0 1 0.0 1179.9 -425.0 754.9 View list
9 1120158968 Berry, S (Seth) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list