Player Page

Serfontein, EB (Etienne)
Dob: 2009/06/07 (U16)
Gender: Male
Chess SA id: 109067368
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2018/12/20 (2164 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 rating1158.5
Current Weighted rating1158.5
Current Weighted performance257.6
Current official/published rating (highest between Raw, WR and WP)1158.5
Current highest rating achieved1158.5
Current floor (min rating allowed)658.5
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)±175.9
Current Raw change used (final)0.0
Projected new Raw rating1158.5
Projected new Weighed rating1065.8
Projected new Weighted performance257.6
Projected new final Raw rating (if new WP > new Raw)1158.5
Projected new highest rating1158.5
Projected new floor658.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1158.5
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 rating1140.2
Current Weighted rating1140.2
Current Weighted performance257.6
Current official/published rating (highest between Raw, WR and WP)1140.2
Current highest rating achieved1140.2
Current floor (min rating allowed)640.2
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)±180.6
Current Raw change used (final)0.0
Projected new Raw rating1140.2
Projected new Weighed rating1049.0
Projected new Weighted performance257.6
Projected new final Raw rating (if new WP > new Raw)1140.2
Projected new highest rating1140.2
Projected new floor640.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1140.2
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 rating775.0
Current Weighted rating775.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)775.0
Current highest rating achieved803.0
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)±303.8
Current Raw change used (final)0.0
Projected new Raw rating775.0
Projected new Weighed rating713.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating803.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)775.0
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 rating775.0
Current Weighted rating775.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)775.0
Current highest rating achieved803.0
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)±303.8
Current Raw change used (final)0.0
Projected new Raw rating775.0
Projected new Weighed rating713.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating803.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)775.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 South African Junior Team Championships 2018 (U10A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 1114.5 1098.6 Analysis
7 NMBJC Closed 2018 (U10) 2018/07/27 2018/07/28 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.5 1093.2 1089.4 Analysis
6 NMBJC Trials 4 2018 (U10) 2018/07/20 2018/07/21 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 2.5 1093.2 1089.4 Analysis
5 NMB Second Trials 2018 (U10) 2018/04/20 2018/04/22 Nelson Mandela Bay (ENM) Standard 120 1.00 5 5 3.0 949.4 980.2 Analysis
4 NMB First Trails 2018 (U10) 2018/03/23 2018/03/24 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 825.9 836.2 Analysis
3 2018 Boardwalk Pearson Open (B) 2018/03/17 2018/03/18 Nelson Mandela Bay (ENM) Standard 60 0.83 7 6 2.5 825.9 836.2 Analysis
2 Registration Tournament 2018 (B) 2018/02/23 2018/02/24 Nelson Mandela Bay (ENM) Standard 60 0.83 5 3 3.0 775.8 775.8 Analysis
1 South African Junior Team Championships 2017 (U10A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.5 775.0 775.0 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 45 27 4 14 29.0 64.4 122.8 964.7 1087.4
White 21 15 1 5 15.5 73.8 202.4 887.6 1090.0
Black 24 12 3 9 13.5 56.3 53.1 1032.1 1085.2
Standard All 45 27 4 14 29.0 64.4 122.8 964.7 1087.4
White 21 15 1 5 15.5 73.8 202.4 887.6 1090.0
Black 24 12 3 9 13.5 56.3 53.1 1032.1 1085.2
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 110087673 Van Der Merwe, L (Lucas) 3 2.0 1 2 0 66.7 1004.1 141.7 1145.8 View list
2 210087674 De Beer, K (Karli) 2 2.0 2 0 0 100.0 959.5 425.0 1384.5 View list
3 110077415 Pienaar, K (Keane) 2 2.0 2 0 0 100.0 959.5 425.0 1384.5 View list
4 109087219 Crone, C (Callan) 2 0.0 0 0 2 0.0 1021.3 -425.0 596.3 View list
5 109067367 Peter, N (Noah) 2 0.0 0 0 2 0.0 959.5 -425.0 534.5 View list
6 1100099501 Bouw, D (Darion) 1 1.0 1 0 0 100.0 825.9 425.0 1250.9 View list
7 296089872 Balfour, N (Nikita) 1 1.0 1 0 0 100.0 825.9 425.0 1250.9 View list
8 110087670 Amos, D (Dylan) 1 1.0 1 0 0 100.0 1093.2 425.0 1518.2 View list
9 110084943 Ackerman, J (Johandre) 1 1.0 1 0 0 100.0 1114.5 425.0 1539.5 View list
10 110084056 Healy, A (Alexander) 1 1.0 1 0 0 100.0 949.4 425.0 1374.4 View list
11 106078074 Loader, D (Daniel) 1 1.0 1 0 0 100.0 825.9 425.0 1250.9 View list
12 109077429 Le Roux, JC (Jean) 1 1.0 1 0 0 100.0 825.9 425.0 1250.9 View list
13 109092824 Labuschagne, I (Ivan) 1 1.0 1 0 0 100.0 1114.5 425.0 1539.5 View list
14 108085405 Knox, S (Steven) 1 1.0 1 0 0 100.0 775.8 425.0 1200.8 View list
15 110094414 Jonker, A (Adrian) 1 1.0 1 0 0 100.0 1093.2 425.0 1518.2 View list
16 209083385 Manafi, F (Fatima) 1 1.0 1 0 0 100.0 775.0 425.0 1200.0 View list
17 110092160 Magudulela, N (Ndumiso) 1 1.0 1 0 0 100.0 1114.5 425.0 1539.5 View list
18 1100099506 Du Plessis, J (Joshua) 1 1.0 1 0 0 100.0 949.4 425.0 1374.4 View list
19 108067366 Ngindana, K (Kungawo) 1 1.0 1 0 0 100.0 775.8 425.0 1200.8 View list
20 109087620 Olsen, C (Christopher) 1 1.0 1 0 0 100.0 775.8 425.0 1200.8 View list