Player Page

Ephraim, J (Jacquin)
Dob: 2008/04/03 (U18)
Gender: Male
Chess SA id: 1080119930
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2022/03/05 (843 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 rating1174.2
Current Weighted rating1174.2
Current Weighted performance697.0
Current official/published rating (highest between Raw, WR and WP)1174.2
Current highest rating achieved1174.5
Current floor (min rating allowed)674.5
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)±172.0
Current Raw change used (final)0.0
Projected new Raw rating1174.2
Projected new Weighed rating1080.3
Projected new Weighted performance697.0
Projected new final Raw rating (if new WP > new Raw)1174.2
Projected new highest rating1174.5
Projected new floor674.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1174.2
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 rating1136.4
Current Weighted rating1136.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1136.4
Current highest rating achieved1136.4
Current floor (min rating allowed)636.4
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)±181.5
Current Raw change used (final)0.0
Projected new Raw rating1136.4
Projected new Weighed rating1045.5
Projected new Weighted performance382.0
Projected new final Raw rating (if new WP > new Raw)1136.4
Projected new highest rating1136.4
Projected new floor636.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.4
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 rating1199.6
Current Weighted rating1199.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.6
Current highest rating achieved1199.6
Current floor (min rating allowed)699.6
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)±165.9
Current Raw change used (final)0.0
Projected new Raw rating1199.6
Projected new Weighed rating1103.6
Projected new Weighted performance542.9
Projected new final Raw rating (if new WP > new Raw)1199.6
Projected new highest rating1199.6
Projected new floor699.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.6
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 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
5 Cape Winelands Schools 2022 (U15 Boys) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1174.5 1126.0 Analysis
4 Central Winelands Schools Individual Trials 2022 (U15 Boys) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 35 0.66 5 5 2.5 1163.4 1184.4 Analysis
3 Cape Winelands Schools Trials 1 2020 (U13 Boys) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 6 3.0 1139.1 1200.0 Analysis
2 Nelson Mandela Rapid 2020 (Primary School) 2020/02/01 2020/02/01 Cape Town (WCT) Rapid 27 0.57 6 6 2.5 1139.1 1200.0 Analysis
1 2019 Kraaifontein Open (Development) 2019/12/07 2019/12/08 Cape Town (WCT) Standard 65 0.85 6 5 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 27 10 3 14 11.5 42.6 -63.0 1210.5 1147.6
White 12 7 1 4 7.5 62.5 106.3 1188.9 1295.1
Black 15 3 2 10 4.0 26.7 -198.3 1227.8 1029.5
Standard All 10 3 1 6 3.5 35.0 -127.5 1162.5 1035.0
White 5 2 0 3 2.0 40.0 -85.0 1168.8 1083.8
Black 5 1 1 3 1.5 30.0 -170.0 1156.1 986.1
Rapid All 17 7 2 8 8.0 47.1 -25.0 1238.8 1213.8
White 7 5 1 1 5.5 78.6 242.9 1203.2 1446.1
Black 10 2 1 7 2.5 25.0 -212.5 1263.7 1051.2
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 1070115880 Naude, J (Jan-Daniel) 2 1.0 1 0 1 50.0 1151.3 0.0 1151.3 View list
2 1070132333 Dampies, C (Chriss-Lynn) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
3 1070130546 Dyomfana, O (Onela) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
4 107084214 Gordon, D (Deuwin) 1 1.0 1 0 0 100.0 1174.5 425.0 1599.5 View list
5 1070098421 Julies, W (Wayne) 1 1.0 1 0 0 100.0 1174.5 425.0 1599.5 View list
6 1070132339 Jones, D (Devon) 1 1.0 1 0 0 100.0 1163.4 425.0 1588.4 View list
7 2080119075 Jika, Z (Zintle) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
8 2100108991 Leenderts, S (Shanique) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1080108618 Luyt, L (Lian) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
10 1070132344 Prins, L (Lindsay) 1 1.0 1 0 0 100.0 1139.1 425.0 1564.1 View list
11 1070137514 Myburgh, A (Andy) 1 0.5 0 1 0 50.0 1174.5 0.0 1174.5 View list
12 1080137520 Smith, K (Kayden) 1 0.5 0 1 0 50.0 1163.4 0.0 1163.4 View list
13 1080103429 Winter, C (Cuthanzario) 1 0.5 0 1 0 50.0 1139.1 0.0 1139.1 View list
14 2050108857 Sibanda, V (Vivian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 108083939 Rosenberg, W (Wagheed) 1 0.0 0 0 1 0.0 1163.4 -425.0 738.4 View list
16 2090097162 Neethling, A (Ashrique) 1 0.0 0 0 1 0.0 1139.1 -425.0 714.1 View list
17 2000096659 Mntombi, N (Nokubonga) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1080137512 Louw, W (Walt) 1 0.0 0 0 1 0.0 1174.5 -425.0 749.5 View list
19 207093012 Kula, A (Akhona) 1 0.0 0 0 1 0.0 1139.1 -425.0 714.1 View list
20 1060108789 Groenewald, J (Jayden) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list