Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Ethan Da Costa

1120306437
Tshwane (GTP)
Personal
Main rating
Rating 1268.1
K-factor 36
Floor 831.2
Highest 1331.2 (2025-04-01)
Min/Max +/- allowed 138
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1172.7
Final +/- 0
New Rating
()
Rating 1268.1
K-factor 36
Floor 831.2
Highest 1331.2 (2025-04-01)
Min/Max +/- allowed 137.6
Standard rating
Rating 1259.1
K-factor 36
Floor 825.3
Highest 1325.3 (2025-04-01)
Min/Max +/- allowed 138.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1172.7
Final +/- 0
New Rating
()
Rating 1259.1
K-factor 36
Floor 825.3
Highest 1325.3 (2025-04-01)
Min/Max +/- allowed 138.7
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-12-01)
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 1200
K-factor 36
Floor 700
Highest 1200 (2024-12-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-12-01)
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 1200
K-factor 36
Floor 700
Highest 1200 (2024-12-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# 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 2026 Tshwane Chess Registration Tournament (D2) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1274 5 3 1211.2 -5.3 Details
2 Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1272 5 2.5 1275.2 1.1 Details
3 2025 Centurion Chess Open Tournament (C) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1319.3 5 1 1043 -26.2 Details
4 2025 Etienne Lewis Closed Chess Tournament (U14) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1306.8 7 3 1357.9 6.9 Details
5 2025 Menlo Open (U14) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1291 5 3 1388 8.8 Details
6 2025 Silver Lakes Chess Club Open Chess Tournament (C) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1331.2 5 1 1110.2 -22.2 Details
7 Lubowski Open 2025 (D1) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1288.5 5 3 1408.8 14.1 Details
8 2025 Tshwane Chess OPEN Registration Tournament (B1) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1222.6 5 3 1441.4 21.9 Details
9 Gauteng Inter-Region at UJ 2024 (U16 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1215.1 5 2.5 1210.5 0.4 Details
10 Lardies Ope 2024 (C) Standard 2024-10-26 2024-10-26 Tshwane (GTP) 5 1129.9 5 4 1451 30.5 Details
11 Centurion Chess Open Tournament 2024 (C) Standard 2024-09-21 2024-09-21 Tshwane (GTP) 5 1186.7 5 2.5 1151.9 -4.1 Details
12 2024 Etienne Lewis (U14) Standard 2024-08-30 2024-09-01 Tshwane (GTP) 7 1186.7 7 2 1035.5 -24.2 Details
13 2024 Jacaranda Round Robin Open Chess Tournament (N) Standard 2024-08-17 2024-08-17 Tshwane (GTP) 5 1133.6 5 4 1411.7 26.6 Details
14 2024 Midstream College Open Chess Tournament (B2) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1200 4 0 875.3 -25.6 Details
15 Menlopark Open Chess Tournament 2024 (C) Standard 2024-07-13 2024-07-13 Tshwane (GTP) 5 1200 5 2.5 1158.6 -4.6 Details
16 2024 Prestige College Open Chess Tournament (D) Standard 2024-07-06 2024-07-06 Tshwane (GTP) 5 1200 5 2 1159.9 -3 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 5
Wins 3
Draws 0
Losses 2
White 2
Black 3
White wins 0
Black wins 3
Score 3
Percent 60
Dp 85
AOR 1126.2
Performance 1211.2
Game statistics (History)
Games 83
Wins 33
Draws 12
Losses 38
White 42
Black 41
White wins 19
Black wins 14
Score 39
Percent 47
Dp -25.6
AOR 1258.9
Performance 1233.3
Rankings (Main)
National
Overall 7663
Gender 6236
Age group 1350
Gender/Age 1046
Provincial
Overall 2576
Gender 2096
Age group 459
Gender/Age 346
Regional
Overall 858
Gender 693
Age group 159
Gender/Age 124
Rankings (Standard)
National
Overall 7121
Gender 5699
Age group 1249
Gender/Age 945
Provincial
Overall 2523
Gender 2023
Age group 469
Gender/Age 344
Regional
Overall 889
Gender 720
Age group 173
Gender/Age 135
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 5
Score 3
Percent 60
Aor 1126.2
Dp 85
Prat 1211.2
Performance (12 months)
Games 32
Score 13.5
Percent 42.2
Aor 1305.2
Dp -66.4
Prat 1238.8
Performance (History)
Games 83
Score 39
Percent 47
Aor 1258.9
Dp -25.6
Prat 1233.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Labuscagne, W (Waldo) 3 3 0 Centurion Chess Open Tournament 2024 (C) 2026 Tshwane Chess Registration Tournament (D2) Details
Overall 2 Jacobs, H (Hanno) 2 2 0 2024 Midstream College Open Chess Tournament (B2) Lubowski Open 2025 (D1) Details
Overall 3 Maree, M (Morgan) 2 1 1 2024 Midstream College Open Chess Tournament (B2) 2025 Menlo Open (U14) Details
Overall 4 Du Toit, J (Janri) 2 1 1 2024 Etienne Lewis (U14) Centurion Chess Open Tournament 2024 (C) Details
Standard 1 Labuscagne, W (Waldo) 3 3 0 Centurion Chess Open Tournament 2024 (C) 2026 Tshwane Chess Registration Tournament (D2) Details
Standard 2 Jacobs, H (Hanno) 2 2 0 2024 Midstream College Open Chess Tournament (B2) Lubowski Open 2025 (D1) Details
Standard 3 Maree, M (Morgan) 2 1 1 2024 Midstream College Open Chess Tournament (B2) 2025 Menlo Open (U14) Details
Standard 4 Du Toit, J (Janri) 2 1 1 2024 Etienne Lewis (U14) Centurion Chess Open Tournament 2024 (C) Details