Player Page

Bosch, E (Ethan)
Dob: 2009/04/08 (U16)
Gender: Male
Chess SA id: 1090152800
FIDE id:
Region: Frances Baard (NCF)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (36 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 rating1109.5
Curent Weighted rating1158.7
Curent Weighted performance1014.6
Current official/published rating (highest between Raw, WR and WP)1158.7
Current floor (min rating allowed)662.0
Current highest rating achieved1162.0
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)±188.6
Current Raw change used (final)0.0
Projected new Raw rating1109.5
Projected new Weighed rating1153.7
Projected new Weighted performance1014.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1153.7
Projected effective change (new Official - current Official)-5.0
Projected new highest rating1162.0
Projected new floor662.0
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 rating1135.6
Curent Weighted rating1158.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1158.1
Current floor (min rating allowed)654.4
Current highest rating achieved1154.4
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)±181.7
Current Raw change used (final)0.0
Projected new Raw rating1135.6
Projected new Weighed rating1155.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1155.3
Projected effective change (new Official - current Official)-2.7
Projected new highest rating1154.4
Projected new floor654.4
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 rating1128.0
Curent Weighted rating1188.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1188.7
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±183.7
Current Raw change used (final)0.0
Projected new Raw rating1128.0
Projected new Weighed rating1183.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1183.4
Projected effective change (new Official - current Official)-5.3
Projected new highest rating1200.0
Projected new floor700.0
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 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 achieved1200.0
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 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 rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 2024 FB Schools Open 4.0 (U15) 2024/04/13 2024/04/13 Frances Baard (NCF) Standard 62 0.84 5 5 1.5 1111.9 1147.2 Analysis
3 2024 FB Schools Open 3.0 (U15) 2024/03/16 2024/03/16 Frances Baard (NCF) Standard 60 0.83 5 5 2.0 1148.6 1139.2 Analysis
2 2024 Frances Baard Schools Teams (High School) 2024/03/02 2024/03/02 Frances Baard (NCF) Rapid 30 0.60 5 4 0.0 1148.6 1200.0 Analysis
1 2024 Frances Baard Schools Open II (U15) 2024/02/17 2024/02/17 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1162.0 1154.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 2024 FB Schools Open 4.0 (U15) 2024/04/13 2024/04/13 Frances Baard (NCF) Standard 62 0.84 5 5 1.5 1111.9 1147.2 Analysis
4 2024 FB Schools Open 3.0 (U15) 2024/03/16 2024/03/16 Frances Baard (NCF) Standard 60 0.83 5 5 2.0 1148.6 1139.2 Analysis
3 2024 Frances Baard Schools Teams (High School) 2024/03/02 2024/03/02 Frances Baard (NCF) Rapid 30 0.60 5 4 0.0 1148.6 1200.0 Analysis
2 2024 Frances Baard Schools Open II (U15) 2024/02/17 2024/02/17 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1162.0 1154.4 Analysis
1 Frances Baard School Open II 2023 (U15) 2023/03/18 2023/03/18 Frances Baard (NCF) Standard 62 0.84 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 5 1 13 5.5 28.9 -178.9 1234.7 1055.7
White 11 4 0 7 4.0 36.4 -115.9 1245.5 1129.6
Black 8 1 1 6 1.5 18.8 -265.6 1219.8 954.2
Standard All 15 5 1 9 5.5 36.7 -113.3 1243.3 1130.0
White 9 4 0 5 4.0 44.4 -47.2 1253.2 1206.0
Black 6 1 1 4 1.5 25.0 -212.5 1228.5 1016.0
Rapid All 4 0 0 4 0.0 0.0 -425.0 1202.3 777.3
White 2 0 0 2 0.0 0.0 -425.0 1210.8 785.8
Black 2 0 0 2 0.0 0.0 -425.0 1193.8 768.8
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 7 1 16 7.5 31.3 -159.4 1199.3 1039.9
White 14 6 0 8 6.0 42.9 -60.7 1232.1 1171.4
Black 10 1 1 8 1.5 15.0 -297.5 1153.3 855.8
Standard All 20 7 1 12 7.5 37.5 -106.3 1198.7 1092.4
White 12 6 0 6 6.0 50.0 0.0 1235.7 1235.7
Black 8 1 1 6 1.5 18.8 -265.6 1143.1 877.5
Rapid All 4 0 0 4 0.0 0.0 -425.0 1202.3 777.3
White 2 0 0 2 0.0 0.0 -425.0 1210.8 785.8
Black 2 0 0 2 0.0 0.0 -425.0 1193.8 768.8
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 1100119943 Mokapane, S (Siyabulela) 1 1.0 1 0 0 100.0 1148.6 425.0 1573.6 View list
2 1100192409 Mogale, P (Phitlhelelo) 1 1.0 1 0 0 100.0 1148.6 425.0 1573.6 View list
3 1090152545 Moacwi, K (Koketso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1090192406 Hammer, K (Kgotso) 1 1.0 1 0 0 100.0 1162.0 425.0 1587.0 View list
5 2100116596 Daniels, P (Peyton) 1 1.0 1 0 0 100.0 1111.9 425.0 1536.9 View list
6 1100192404 Chindenga, T (Tatenda) 1 1.0 1 0 0 100.0 1162.0 425.0 1587.0 View list
7 2090152803 Kopakae, R (Retshepile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1090300742 Lebitso, R (Relebohile) 1 0.5 0 1 0 50.0 1111.9 0.0 1111.9 View list
9 2100150907 Sebolai, R (Refentse) 1 0.0 0 0 1 0.0 1111.9 -425.0 686.9 View list
10 208067303 Pain, G (Gail) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1100300168 Mutsure, K (Kelly) 1 0.0 0 0 1 0.0 1148.6 -425.0 723.6 View list
12 1100119942 Kanjee, K (Khiyaan) 1 0.0 0 0 1 0.0 1162.0 -425.0 737.0 View list
13 1090300741 Hofsta, K (Kethan) 1 0.0 0 0 1 0.0 1111.9 -425.0 686.9 View list
14 1080300160 Bessies, C (Christiano) 1 0.0 0 0 1 0.0 1148.6 -425.0 723.6 View list
15 1070192423 Badenhorst, F (Frans) 1 0.0 0 0 1 0.0 1148.6 -425.0 723.6 View list
16 1100192403 Alam, T (Tahsen) 1 0.0 0 0 1 0.0 1162.0 -425.0 737.0 View list
17 1090152810 Melamane, B (Buhle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1090300744 Mathobisa, B (Boitshepo) 1 0.0 0 0 1 0.0 1148.6 -425.0 723.6 View list
19 1100300173 Mathebula, L (Lethlogonolo) 1 0.0 0 0 1 0.0 1148.6 -425.0 723.6 View list
20 1090152808 Maluleke, N (Nyiko) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list