Player Page

Jacobs, CJ (Christiaan)
Dob: 2007/03/07 (U18)
Gender: Male
Chess SA id: 107049652
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2019/02/02 (1946 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
Curent Raw rating903.8
Curent Weighted rating903.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)903.8
Current floor (min rating allowed)500.0
Current highest rating achieved903.8
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)±252.9
Current Raw change used (final)0.0
Projected new Raw rating903.8
Projected new Weighed rating903.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)903.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating903.8
Projected new floor500.0
Projected new K-facor40
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
Curent Raw rating795.6
Curent Weighted rating795.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)795.6
Current floor (min rating allowed)500.0
Current highest rating achieved795.6
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)±295.0
Current Raw change used (final)0.0
Projected new Raw rating795.6
Projected new Weighed rating795.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)795.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating795.6
Projected new floor500.0
Projected new K-facor40
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
Curent Raw rating943.6
Curent Weighted rating943.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)943.6
Current floor (min rating allowed)500.0
Current highest rating achieved943.6
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)±238.9
Current Raw change used (final)0.0
Projected new Raw rating943.6
Projected new Weighed rating943.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)943.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating943.6
Projected new floor500.0
Projected new K-facor40
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
Curent Raw rating746.0
Curent Weighted rating746.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)746.0
Current floor (min rating allowed)500.0
Current highest rating achieved746.0
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)±316.6
Current Raw change used (final)0.0
Projected new Raw rating746.0
Projected new Weighed rating746.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)746.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating746.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 CW Schools Open 2019 (U13 Boys) 2019/02/02 2019/02/02 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.5 833.2 826.0 Analysis
3 Cape Winelands Schools Prestige 2018 (U11 Boys) 2018/03/24 2018/03/25 Cape Winelands (WCW) Standard 60 0.83 7 7 4.0 807.2 746.0 Analysis
2 Cape Winelands Schools Trials 1 2018 (U11 Boys) 2018/03/03 2018/03/03 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 807.2 840.8 Analysis
1 North Boland Trials 2018 (U11 Boys) 2018/02/17 2018/02/17 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 746.0 746.0 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 24 14 1 9 14.5 60.4 88.5 936.4 1025.0
White 12 7 0 5 7.0 58.3 70.8 939.8 1010.6
Black 12 7 1 4 7.5 62.5 106.3 933.1 1039.3
Standard All 7 4 0 3 4.0 57.1 60.7 850.2 910.9
White 3 0 0 3 0.0 0.0 -425.0 877.8 452.8
Black 4 4 0 0 4.0 100.0 425.0 829.5 1254.5
Rapid All 17 10 1 6 10.5 61.8 100.0 971.9 1071.9
White 9 7 0 2 7.0 77.8 236.1 960.4 1196.5
Black 8 3 1 4 3.5 43.8 -53.1 984.8 931.7
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 107051989 Willemse, LH (Lee-Handrio) 2 2.0 2 0 0 100.0 776.6 425.0 1201.6 View list
2 108087348 Jansen, C (Cheslin) 2 2.0 2 0 0 100.0 776.6 425.0 1201.6 View list
3 107078359 Davids, R (Rafael) 2 0.0 0 0 2 0.0 789.6 -425.0 364.6 View list
4 107087797 Isaacs, C (Chad-Lee) 1 1.0 1 0 0 100.0 833.2 425.0 1258.2 View list
5 1070097081 Fortuin, R (Robin) 1 1.0 1 0 0 100.0 807.2 425.0 1232.2 View list
6 107064069 Drury, N (Nicholas) 1 1.0 1 0 0 100.0 807.2 425.0 1232.2 View list
7 107078353 De Wet, M (Malcolm) 1 1.0 1 0 0 100.0 807.2 425.0 1232.2 View list
8 107093485 Coetzee, D (David) 1 1.0 1 0 0 100.0 807.2 425.0 1232.2 View list
9 107078341 Ismail, A (Amar) 1 1.0 1 0 0 100.0 746.0 425.0 1171.0 View list
10 1070108627 Louw, T (Tyrique) 1 1.0 1 0 0 100.0 833.2 425.0 1258.2 View list
11 1070108626 Le Cordeur, J (Jordan) 1 1.0 1 0 0 100.0 833.2 425.0 1258.2 View list
12 107057156 Van Zyl, R (Rigter) 1 1.0 1 0 0 100.0 746.0 425.0 1171.0 View list
13 107089547 Roos, D (Dehan) 1 1.0 1 0 0 100.0 807.2 425.0 1232.2 View list
14 1060097997 Jefthas, Z (Zairon) 1 0.5 0 1 0 50.0 833.2 0.0 833.2 View list
15 107057154 Plaatjies, B (Bjorn) 1 0.0 0 0 1 0.0 807.2 -425.0 382.2 View list
16 107082126 Saoud, J (Jassem) 1 0.0 0 0 1 0.0 807.2 -425.0 382.2 View list
17 1080097984 Rosenburg, W (Wagheed) 1 0.0 0 0 1 0.0 807.2 -425.0 382.2 View list
18 107078342 King, B (Brandon) 1 0.0 0 0 1 0.0 833.2 -425.0 408.2 View list
19 108086610 Isaacs, S (Sean-Patrick) 1 0.0 0 0 1 0.0 807.2 -425.0 382.2 View list
20 108072618 Carstens, C (Cole) 1 0.0 0 0 1 0.0 807.2 -425.0 382.2 View list