Player Page

Etsala-Kourou, B (Billy)
Dob: 2011/04/14 (U14)
Gender: Male
Chess SA id: 1110193135
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (12 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 rating1394.2
Curent Weighted rating1234.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1394.2
Current floor (min rating allowed)894.2
Current highest rating achieved1394.2
Current K-factor36
Games played this month6
Score (S)2.0
Expected score (We)2.89
Difference (S-We)-0.89
Current Raw change (no limits, including tournament time weight)-26.6
Current min/max change allowed (with limits)±125.7
Current Raw change used (final)-26.6
Projected new Raw rating1367.6
Projected new Weighed rating1245.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1367.6
Projected effective change (new Official - current Official)-26.6
Projected new highest rating1394.2
Projected new floor894.2
Projected new K-facor36
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 rating1418.8
Curent Weighted rating1239.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1418.8
Current floor (min rating allowed)918.8
Current highest rating achieved1418.8
Current K-factor32
Games played this month6
Score (S)2.0
Expected score (We)3.26
Difference (S-We)-1.26
Current Raw change (no limits, including tournament time weight)-40.3
Current min/max change allowed (with limits)±121.4
Current Raw change used (final)-40.3
Projected new Raw rating1378.5
Projected new Weighed rating1252.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1378.5
Projected effective change (new Official - current Official)-40.3
Projected new highest rating1418.8
Projected new floor918.8
Projected new K-facor32
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved0.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
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
Projected new highest rating0.0
Projected new floor700.0
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved0.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
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
Projected new highest rating0.0
Projected new floor700.0
Projected new K-facor40
Tournaments
Tournament: Western Cape PS Individuals Championship 2024 (U13 Boys)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 2.0
Main rating: 1394.2  Rating gain/loss: -26.6
Type rating: 1418.8  Rating gain/loss: -40.3
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1394.2 1418.8 Analysis
4 Eden Chess Trials 2 2024 (U14) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 6.5 1356.6 1386.8 Analysis
3 Eden School Chess Trials 1 2024 (U13 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 4.0 1287.6 1308.0 Analysis
2 OUDUSSA Trials 2 2024 (U13 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
1 OUDUSSA Trials 1 2024 (U13 Boys+Girls) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Western Cape PS Individuals Championship 2024 (U13 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 2.0 1394.2 1418.8 Analysis
4 Eden Chess Trials 2 2024 (U14) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 10 6.5 1356.6 1386.8 Analysis
3 Eden School Chess Trials 1 2024 (U13 Boys) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 5 4.0 1287.6 1308.0 Analysis
2 OUDUSSA Trials 2 2024 (U13 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
1 OUDUSSA Trials 1 2024 (U13 Boys+Girls) 2024/02/03 2024/02/03 Eden District (WEG) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 31 19 2 10 20.0 64.5 123.4 1325.9 1449.3
White 16 11 1 4 11.5 71.9 185.9 1329.6 1515.5
Black 15 8 1 6 8.5 56.7 56.7 1322.0 1378.7
Standard All 31 19 2 10 20.0 64.5 123.4 1325.9 1449.3
White 16 11 1 4 11.5 71.9 185.9 1329.6 1515.5
Black 15 8 1 6 8.5 56.7 56.7 1322.0 1378.7
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 31 19 2 10 20.0 64.5 123.4 1325.9 1449.3
White 16 11 1 4 11.5 71.9 185.9 1329.6 1515.5
Black 15 8 1 6 8.5 56.7 56.7 1322.0 1378.7
Standard All 31 19 2 10 20.0 64.5 123.4 1325.9 1449.3
White 16 11 1 4 11.5 71.9 185.9 1329.6 1515.5
Black 15 8 1 6 8.5 56.7 56.7 1322.0 1378.7
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 1110139245 Pietersen, E (Ethan) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
2 1110135813 Coleman, A (Anthony) 2 1.0 1 0 1 50.0 1322.1 0.0 1322.1 View list
3 1110151026 Damons, T (Theo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 2110150032 Cordewener, B (Bronti-Mae) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
5 1110117242 Bokwana, D (Devaan) 1 1.0 1 0 0 100.0 1287.6 425.0 1712.6 View list
6 1110130848 Agulhus, T (Trenesh) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
7 1110151035 Julies, K (Keiran) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
8 1110151034 Januarie, C (Cedwyn) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1110151032 Jaer, M (Matthew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1110150938 Koopman, J (Juan) 1 1.0 1 0 0 100.0 1394.2 425.0 1819.2 View list
11 1110151044 Michaels, E (Ezron) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
12 1110144652 Oberholzer, F (Fc) 1 1.0 1 0 0 100.0 1287.6 425.0 1712.6 View list
13 1120150944 Pretorius, I (Immanuel) 1 1.0 1 0 0 100.0 1287.6 425.0 1712.6 View list
14 1120131110 Punt, H (Heinrich) 1 1.0 1 0 0 100.0 1394.2 425.0 1819.2 View list
15 2120193192 Snyman, S (Sue-Naye) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
16 1120151012 Stegmann, A (Andre) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1120150004 Venter, G (Gj) 1 1.0 1 0 0 100.0 1356.6 425.0 1781.6 View list
18 1110193154 Yama, A (Athinamso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1110151047 Muller, M (Mgishan) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 1110193143 Mgqweto, T (Thando) 1 0.5 0 1 0 50.0 1356.6 0.0 1356.6 View list