PLAYER PAGE

Ewan Roos

1130134053
Tshwane (GTP)
Personal
Main rating
Rating 1379.1
K-factor 32
Floor 979.5
Highest 1495 (2024-09-01)
Min/Max +/- allowed 109
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1222
Final +/- 0
New Rating
()
Rating 1379.1
K-factor 32
Floor 979.5
Highest 1495 (2024-09-01)
Min/Max +/- allowed 108.9
Standard rating
Rating 1369.1
K-factor 32
Floor 976.8
Highest 1490.7 (2024-09-01)
Min/Max +/- allowed 109.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1222
Final +/- 0
New Rating
()
Rating 1369.1
K-factor 32
Floor 976.8
Highest 1490.7 (2024-09-01)
Min/Max +/- allowed 109.6
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
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 2025 Gauteng Top Schools Teams (U13) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1385.9 5 2 1352.6 0 Details
2 2025 Tshwane South School District CLOSED League Championship (U13A) Standard 2025-08-15 2025-08-15 Tshwane (GTP) 5 1383.9 5 2 1215.2 0 Details
3 Lubowski Open 2025 (D2) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1385.8 5 3.5 1415.1 0 Details
4 2025 Chris Greyling Open Chess Tournament (C) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1385.8 5 1.5 1292.4 0 Details
5 2025 KSNG Open (C) Standard 2025-02-22 2025-02-22 Tshwane (GTP) 5 1456.2 5 2 1287.8 0 Details
6 Constantiapark Open 2025 (C) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1456.2 4 1 1110 0 Details
7 Gauteng Inter-Region at UJ 2024 (U12 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1464.6 5 3 1406.9 0 Details
8 Gauteng Top Schools 2024 (U11 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1479.5 5 3 1388.6 0 Details
9 2024 Etienne Lewis (U12) Standard 2024-08-30 2024-09-01 Tshwane (GTP) 7 1437.6 7 5.5 1622.9 0 Details
10 Gauteng Schools Individuals Finals 2024 (U11 Boys) Standard 2024-08-16 2024-08-16 Ekurhuleni (GE) 5 1437.6 5 3 1391.8 0 Details
11 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) Standard 2024-08-03 2024-08-03 Tshwane (GTP) 5 1401.9 5 4 1499.8 0 Details
12 2024 Elise Steenkamp Open Chess Tournament (Rooks) Standard 2024-06-15 2024-06-15 Tshwane (GTP) 5 1358 5 4 1487 0 Details
13 2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed) Standard 2024-05-11 2024-05-11 Tshwane (GTP) 5 1291.6 5 4 1481.9 0 Details
14 2024 KSNG CHess Academy Open Tournament (D2) Standard 2024-04-06 2024-04-06 Tshwane (GTP) 5 1235.4 5 4 1528.3 0 Details
15 2024 Tshwane Chess AHS Open Chess Tournament (C1) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1232.7 5 2 1256.6 0 Details
16 2024 Tshwane Chess OPEN Registration Tournament (C2) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1207 5 1 1011.8 0 Details
17 2024 Gauteng Inter-Region Chess Championship (U12C) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1207 5 4.5 1511 0 Details
18 Lardies Open Tournament 2023 (C) Standard 2023-10-28 2023-10-28 Tshwane (GTP) 5 1223.1 4 1 1111 0 Details
19 2023 Etienne Lewis Closed Tournament (U12) Standard 2023-08-25 2023-08-27 Tshwane (GTP) 7 1196.4 5 3.5 1336.7 0 Details
20 2023 Tshwane South School District CLOSED League Championship (U11) Standard 2023-07-29 2023-07-29 Tshwane (GTP) 5 1191 4 2 1232.1 0 Details
21 2023 Lubowski Open Tournament (C) Standard 2023-06-24 2023-06-25 Tshwane (GTP) 5 1261 4 0 821.3 0 Details
22 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) Standard 2023-04-22 2023-04-22 Tshwane (GTP) 5 1254.4 5 3 1285.7 0 Details
23 Chris Greyling Open Tournament 2023 (C) Standard 2023-03-21 2023-03-21 Tshwane (GTP) 5 1348.2 5 1.5 1028.1 0 Details
24 Tuks Junior Developmental Chess Tournament 2023 (Blue) Standard 2023-03-18 2023-03-18 Tshwane (GTP) 5 1348.2 5 2 1132.2 0 Details
25 2022 Gauteng Schools Team Championships (U9 Open) Standard 2022-08-27 2022-08-27 Tshwane (GTP) 5 1350.3 5 3 1329 0 Details
26 D4 Play Offs 2022 (U9) Standard 2022-07-30 2022-07-30 Tshwane (GTP) 5 1284.9 5 5 1615.5 0 Details
27 2022 Menlo Open Tournament (D) Standard 2022-07-23 2022-07-23 Tshwane (GTP) 5 1284.9 5 3 1237.6 0 Details
28 Tuks Junior Chess Club Developmental Tournament 2022 (Red) Standard 2022-06-17 2022-06-17 Tshwane (GTP) 5 1282.8 5 3 1284.1 0 Details
29 2022 Lubowski Open Tournament (D) Standard 2022-04-09 2022-04-10 Tshwane (GTP) 5 1331.9 5 2 1090.7 0 Details
30 2022 Chris Greyling Open (D) Standard 2022-03-12 2022-03-12 Tshwane (GTP) 5 1309.8 5 4 1427.1 0 Details
31 2022 Gauteng Interregion (U10 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1347.4 5 2 1123.5 0 Details
32 2022 Tshwane Chess Open Registration Tournament (D1) Standard 2022-01-29 2022-01-29 Tshwane (GTP) 5 1336 1 1 1625 0 Details
33 2021 Lardies Ope (E) Standard 2021-10-30 2021-10-30 Tshwane (GTP) 5 1265.9 5 4 1450.3 0 Details
34 2021 Etienne Lewis Closed Trials (U10 Open) Standard 2021-09-24 2021-09-26 Nelson Mandela Bay (ENM) 7 1288.6 6 3 1192.4 0 Details
35 2021 Alekhine Open (E) Standard 2021-08-14 2021-08-15 Tshwane (GTP) 5 1246.3 5 4 1450.6 0 Details
36 2021 Chris Greyling Open Tournament (E) Standard 2021-05-08 2021-05-08 Tshwane (GTP) 5 1202.7 5 4 1443.4 0 Details
37 2021 Blou Bul Tournament (E) Standard 2021-04-10 2021-04-10 Mangaung (FMB) 5 1200 5 3 1220.8 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 180
Wins 101
Draws 6
Losses 73
White 88
Black 92
White wins 51
Black wins 50
Score 104
Percent 57.8
Dp 66.1
AOR 1251.4
Performance 1317.5
Rankings (Main)
National
Overall 3716
Gender 3131
Age group 426
Gender/Age 310
Provincial
Overall 1273
Gender 1066
Age group 134
Gender/Age 100
Regional
Overall 458
Gender 370
Age group 45
Gender/Age 29
Rankings (Standard)
National
Overall 3559
Gender 2985
Age group 421
Gender/Age 304
Provincial
Overall 1264
Gender 1057
Age group 139
Gender/Age 102
Regional
Overall 472
Gender 383
Age group 50
Gender/Age 33
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 20
Score 9
Percent 45
Aor 1361.3
Dp -42.5
Prat 1318.8
Performance (History)
Games 180
Score 104
Percent 57.8
Aor 1251.4
Dp 66.1
Prat 1317.5
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Botha, L (Logan) 5 3 2 2021 Blou Bul Tournament (E) 2025 Tshwane South School District CLOSED League Championship (U13A) Details
Overall 2 Padayachy, V (Vidya) 4 2 2 2021 Blou Bul Tournament (E) Lubowski Open 2025 (D2) Details
Overall 3 Buchner, E (Emil) 4 4 0 2021 Chris Greyling Open Tournament (E) Constantiapark Open 2025 (C) Details
Overall 4 De Bruin, H (Hanno) 3 2 1 2021 Chris Greyling Open Tournament (E) D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) Details
Overall 5 Horne, K (Kian Louis) 2 0 2 2022 Gauteng Interregion (U10 Open) 2024 Gauteng Inter-Region Chess Championship (U12C) Details
Standard 1 Botha, L (Logan) 5 3 2 2021 Blou Bul Tournament (E) 2025 Tshwane South School District CLOSED League Championship (U13A) Details
Standard 2 Padayachy, V (Vidya) 4 2 2 2021 Blou Bul Tournament (E) Lubowski Open 2025 (D2) Details
Standard 3 Buchner, E (Emil) 4 4 0 2021 Chris Greyling Open Tournament (E) Constantiapark Open 2025 (C) Details
Standard 4 De Bruin, H (Hanno) 3 2 1 2021 Chris Greyling Open Tournament (E) D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11A) Details
Standard 5 Horne, K (Kian Louis) 2 0 2 2022 Gauteng Interregion (U10 Open) 2024 Gauteng Inter-Region Chess Championship (U12C) Details