PLAYER PAGE
Ethan Serra Coelho
105089344Ekurhuleni (GE)Personal
Main rating
| Rating | 1199.7 |
| K-factor | 40 |
| Floor | 699.7 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 640.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1199.7 |
| K-factor | 40 |
| Floor | 699.7 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1211.2 |
| K-factor | 36 |
| Floor | 711.2 |
| Highest | 1211.2 (2024-02-01) |
| Min/Max +/- allowed | 163.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 640.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1211.2 |
| K-factor | 36 |
| Floor | 711.2 |
| Highest | 1211.2 (2024-02-01) |
| Min/Max +/- allowed | 163.2 |
Rapid rating
| Rating | 726.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 726.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 726.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 726.4 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2022 Gauteng Schools Individual Chess Championship (U18 Boys) | Standard | 2022-06-18 | 2022-06-18 | Ekurhuleni (GE) | 5 | 1157.2 | 5 | 3 | 1380.5 | 0 | Details |
| 2 | Ekurhuleni Trials 2 2022 (U20) | Standard | 2022-05-28 | 2022-05-28 | Ekurhuleni (GE) | 5 | 1172.7 | 5 | 2 | 1101.3 | 0 | Details |
| 3 | 2019 Gauteng School League Finals (U15 Open) | Standard | 2019-08-24 | 2019-08-24 | Tshwane (GTP) | 5 | 1110.9 | 5 | 3 | 1474.4 | 0 | Details |
| 4 | 2018 Wild Card Chess Championships (U14 Open) | Classical | 2018-12-21 | 2018-12-24 | 4 Knights (4K) | 7 | 994.9 | 6 | 3 | 1148.3 | 0 | Details |
| 5 | South African Junior Team Championships 2018 (U14E) | Classical | 2018-12-16 | 2018-12-20 | 4 Knights (4K) | 7 | 994.9 | 6 | 5 | 1251.8 | 0 | Details |
| 6 | 2018 Interregion Sedibeng vs Ekurhuleni (J) | Standard | 2018-11-03 | 2018-11-03 | Sedibeng (GSV) | 5 | 990.9 | 5 | 2 | 1018 | 0 | Details |
| 7 | Boksburg Chess Club Open 2018 (U14) | Standard | 2018-07-14 | 2018-07-14 | Ekurhuleni (GE) | 5 | 1001.5 | 1 | 0 | 764.4 | 0 | Details |
| 8 | Primrose Chess Club Open 2018 (C) | Standard | 2018-06-02 | 2018-06-02 | Ekurhuleni (GE) | 5 | 1100.1 | 5 | 1.5 | 870.2 | 0 | Details |
| 9 | Ekurhuleni Trials 3 2018 (U14) | Standard | 2018-06-16 | 2018-06-16 | Ekurhuleni (GE) | 5 | 1100.1 | 5 | 1.5 | 792.7 | 0 | Details |
| 10 | 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys) | Standard | 2018-05-25 | 2018-05-25 | Tshwane (GTP) | 5 | 927.3 | 5 | 3 | 1167.1 | 0 | Details |
| 11 | Ekurhuleni North Schools Individuals 2018 (U13 Boys) | Standard | 2018-05-12 | 2018-05-12 | Ekurhuleni (GE) | 5 | 927.3 | 4 | 3 | 1208.3 | 0 | Details |
| 12 | Ekurhuleni Trials 2 2018 (U14) | Standard | 2018-04-21 | 2018-04-21 | Ekurhuleni (GE) | 5 | 812 | 5 | 2.5 | 1019.9 | 0 | Details |
| 13 | Ekurhuleni Trials 1 2018 (U14) | Standard | 2018-03-10 | 2018-03-10 | Ekurhuleni (GE) | 5 | 744.3 | 5 | 3.5 | 1122.1 | 0 | Details |
| 14 | Elspark Open 2018 (C) | Standard | 2018-02-10 | 2018-02-10 | Ekurhuleni (GE) | 5 | 714.8 | 5 | 3 | 868.2 | 0 | Details |
| 15 | Brakpan Open 2018 (C) | Standard | 2018-02-24 | 2018-02-24 | Ekurhuleni (GE) | 5 | 714.8 | 4 | 2 | 705.6 | 0 | Details |
| 16 | South African Junior Wildcard Championships 2017 (U14 Open) | Classical | 2018-01-09 | 2018-01-12 | 4 Knights (4K) | 7 | 726.4 | 7 | 2 | 687.3 | 0 | Details |
| 17 | Ekurhuleni Trials 3 2017 (U14) | Standard | 2017-07-29 | 2017-07-29 | Ekurhuleni (GE) | 5 | 702 | 5 | 3 | 848 | 0 | Details |
| 18 | Chessnuts Johannesburg Talent Chess Tournament 2017 (C) | Standard | 2017-06-30 | 2017-07-01 | Johannesburg Metro (GJM) | 6 | 702 | 6 | 3 | 640 | 0 | Details |
| 19 | Bedfordview Open 2017 (School) | Standard | 2017-06-02 | 2017-06-03 | Ekurhuleni (GE) | 6 | 650 | 6 | 3 | 890 | 0 | Details |
| 20 | Kenton Open 2017 (C) | Standard | 2017-05-19 | 2017-05-20 | Ekurhuleni (GE) | 6 | 0 | 6 | 3 | 628 | 0 | Details |
| 21 | Jnw Club - Bryanston2 Open 2017 (D) | Standard | 2017-05-05 | 2017-05-05 | Johannesburg Metro (GJM) | 6 | 0 | 6 | 3 | 567 | 0 | Details |
| 22 | Ekurhuleni Trials 2017 (B) | Standard | 2017-04-22 | 2017-04-22 | Ekurhuleni (GE) | 5 | 0 | 5 | 2.5 | 652 | 0 | Details |
| 23 | Laerskool Ag Visser 2017 (C) | Standard | 2017-03-11 | 2017-03-11 | Sedibeng (GSV) | 5 | 0 | 5 | 4 | 816 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics (History)
| Games | 78 |
| Wins | 38 |
| Draws | 4 |
| Losses | 36 |
| White | 39 |
| Black | 39 |
| White wins | 23 |
| Black wins | 15 |
| Score | 40 |
| Percent | 51.3 |
| Dp | 10.9 |
| AOR | 1036.6 |
| Performance | 1047.5 |
Rankings (Main)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Standard)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 78 |
| Score | 40 |
| Percent | 51.3 |
| Aor | 1036.6 |
| Dp | 10.9 |
| Prat | 1047.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Fourie, B (Brandon) | 2 | 0 | 2 | 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys) | 2019 Gauteng School League Finals (U15 Open) | Details |
| Overall | 2 | Masemeni, K (Keabetswe) | 2 | 1 | 1 | South African Junior Wildcard Championships 2017 (U14 Open) | Ekurhuleni Trials 1 2018 (U14) | Details |
| Overall | 3 | De Swardt, E (Eduan) | 2 | 0 | 2 | Ekurhuleni Trials 2 2018 (U14) | 2018 Wild Card Chess Championships (U14 Open) | Details |
| Overall | 4 | Macdonald, B (Brandon) | 2 | 1 | 1 | Elspark Open 2018 (C) | Ekurhuleni Trials 2 2018 (U14) | Details |
| Standard | 1 | Fourie, B (Brandon) | 2 | 0 | 2 | 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys) | 2019 Gauteng School League Finals (U15 Open) | Details |
| Standard | 2 | Masemeni, K (Keabetswe) | 2 | 1 | 1 | South African Junior Wildcard Championships 2017 (U14 Open) | Ekurhuleni Trials 1 2018 (U14) | Details |
| Standard | 3 | De Swardt, E (Eduan) | 2 | 0 | 2 | Ekurhuleni Trials 2 2018 (U14) | 2018 Wild Card Chess Championships (U14 Open) | Details |
| Standard | 4 | Macdonald, B (Brandon) | 2 | 1 | 1 | Elspark Open 2018 (C) | Ekurhuleni Trials 2 2018 (U14) | Details |