Player Page

Ferreira, JC (John-Claud)
Dob: 2001/08/22 (Adult)
Gender: Male
Chess SA id: 101065134
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2020/01/08 (1780 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 rating1168.8
Current Weighted rating1168.8
Current Weighted performance436.2
Current official/published rating (highest between Raw, WR and WP)1168.8
Current highest rating achieved1168.8
Current floor (min rating allowed)668.8
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)±173.4
Current Raw change used (final)0.0
Projected new Raw rating1168.8
Projected new Weighed rating1075.3
Projected new Weighted performance436.2
Projected new final Raw rating (if new WP > new Raw)1168.8
Projected new highest rating1168.8
Projected new floor668.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1168.8
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 rating1165.6
Current Weighted rating1165.6
Current Weighted performance436.2
Current official/published rating (highest between Raw, WR and WP)1165.6
Current highest rating achieved1165.6
Current floor (min rating allowed)665.6
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)±174.1
Current Raw change used (final)0.0
Projected new Raw rating1165.6
Projected new Weighed rating1072.4
Projected new Weighted performance436.2
Projected new final Raw rating (if new WP > new Raw)1165.6
Projected new highest rating1165.6
Projected new floor665.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.6
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 rating808.6
Current Weighted rating808.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)808.6
Current highest rating achieved808.6
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)±289.6
Current Raw change used (final)0.0
Projected new Raw rating808.6
Projected new Weighed rating743.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating808.6
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)808.6
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 rating808.6
Current Weighted rating808.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)808.6
Current highest rating achieved808.6
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)±289.6
Current Raw change used (final)0.0
Projected new Raw rating808.6
Projected new Weighed rating743.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating808.6
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)808.6
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 2019 South African Junior Team Championships (U20B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 4.0 1088.2 1085.7 Analysis
16 NW Open 2019 (A) 2019/10/12 2019/10/12 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1023.9 1014.9 Analysis
15 Laerskool Rustenburg 2019 (Adults) 2019/08/17 2019/08/17 Bojanala Platina (NBR) Standard 60 0.83 5 4 2.0 866.6 862.9 Analysis
14 Inter Regional Chess Championship 2019 (U20) 2019/05/10 2019/05/11 Mangaung (FMB) Standard 60 0.83 5 5 2.0 851.9 846.5 Analysis
13 Laerskool Olienpark 2019 (B) 2019/04/06 2019/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 4 1.5 840.9 836.1 Analysis
12 Hoerskool Brits Tournament 2019 (B) 2019/02/09 2019/02/09 Bojanala Platina (NBR) Standard 60 0.83 5 4 1.0 866.8 868.5 Analysis
11 Fields College Open 2019 (Open) 2019/02/02 2019/02/02 Bojanala Platina (NBR) Standard 60 0.83 5 4 0.0 866.8 868.5 Analysis
10 South African Junior Team Championships 2018 (U18B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 1.5 862.8 863.7 Analysis
9 Bojanala Regionals 2018 (U18+U20) 2018/09/15 2018/09/15 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 884.7 890.9 Analysis
8 Lebone II Chess 2018 (U18) 2018/09/01 2018/09/01 Cape Town (WCT) Standard 60 0.83 5 5 1.0 884.7 890.9 Analysis
7 Laerskool Brits Tournament 2018 (U18) 2018/08/04 2018/08/04 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 834.2 829.7 Analysis
6 Inter Regional 2018 (U18 Team) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 1.0 876.4 877.3 Analysis
5 Laerskool Rustenburg 2018 (B) 2018/03/24 2018/03/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 844.6 855.0 Analysis
4 Hoerskool Brits 2018 (U18+Open) 2018/03/17 2018/03/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 844.6 855.0 Analysis
3 Laerskool Rustenburg Noord Primary 2018 (B) 2018/02/24 2018/02/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 793.8 793.8 Analysis
2 Laerskool Vastrap 2018 (Open) 2018/02/03 2018/02/03 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 793.8 793.8 Analysis
1 South African Junior Team Championships 2017 (U20B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 808.6 808.6 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 86 27 5 54 29.5 34.3 -133.4 1078.0 944.5
White 42 14 3 25 15.5 36.9 -111.3 1102.8 991.5
Black 44 13 2 29 14.0 31.8 -154.5 1054.3 899.7
Standard All 86 27 5 54 29.5 34.3 -133.4 1078.0 944.5
White 42 14 3 25 15.5 36.9 -111.3 1102.8 991.5
Black 44 13 2 29 14.0 31.8 -154.5 1054.3 899.7
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 101078404 Austin, B (Billy-James) 3 2.0 2 0 1 66.7 861.8 141.7 1003.5 View list
2 101011523 Guneliev, AA (Andrey) 2 2.0 2 0 0 100.0 839.3 425.0 1264.3 View list
3 1010099316 Ngobeni, TR (Tshiamo Regomod) 2 2.0 2 0 0 100.0 839.4 425.0 1264.4 View list
4 1010100430 Mokoena, K (Koena) 2 1.0 1 0 1 50.0 875.7 0.0 875.7 View list
5 102024289 Mokotedi, K (Kabelo) 2 0.5 0 1 1 25.0 859.5 -212.5 647.0 View list
6 101010320 Geldenhuys, AJ (Andre J) 2 0.0 0 0 2 0.0 869.6 -425.0 444.6 View list
7 102064319 Esterhuizen, WJ (Willem Johannes) 2 0.0 0 0 2 0.0 859.5 -425.0 434.5 View list
8 199018349 Loots, E (Eric) 2 0.0 0 0 2 0.0 839.3 -425.0 414.3 View list
9 104026775 Naude, M (Marlo) 2 0.0 0 0 2 0.0 853.8 -425.0 428.8 View list
10 1020099315 Van Zyl, D (Daniel) 2 0.0 0 0 2 0.0 837.5 -425.0 412.5 View list
11 200075111 Jordaan, C (Chandre) 1 1.0 1 0 0 100.0 851.9 425.0 1276.9 View list
12 106045973 De Villiers, DJ (David Jacobus) 1 1.0 1 0 0 100.0 844.6 425.0 1269.6 View list
13 202046589 Booysen, L (Lee-Ann) 1 1.0 1 0 0 100.0 876.4 425.0 1301.4 View list
14 105001691 Beja, O (Odwa) 1 1.0 1 0 0 100.0 793.8 425.0 1218.8 View list
15 100050132 Beck, I (Ivan) 1 1.0 1 0 0 100.0 808.6 425.0 1233.6 View list
16 200000585 Anagnostou, ZV (Zoe) 1 1.0 1 0 0 100.0 1088.2 425.0 1513.2 View list
17 101083184 Lenyai, J (Jerry) 1 1.0 1 0 0 100.0 844.6 425.0 1269.6 View list
18 2010111265 Mamabolo, K (Kagata) 1 1.0 1 0 0 100.0 851.9 425.0 1276.9 View list
19 1030098279 Mcneil, N (Nell) 1 1.0 1 0 0 100.0 1088.2 425.0 1513.2 View list
20 1070116918 Mohlabi, K (Karabo) 1 1.0 1 0 0 100.0 1023.9 425.0 1448.9 View list