PLAYER PAGE

Isabella Exarchos

2150136753
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1623.2
K-factor 28
Floor 1139.5
Highest 1639.5 (2026-01-01)
Min/Max +/- allowed 89
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1628.1
Final +/- 0
New Rating
()
Rating 1623.2
K-factor 28
Floor 1139.5
Highest 1639.5 (2026-01-01)
Min/Max +/- allowed 88.6
Standard rating
Rating 1626.3
K-factor 28
Floor 1144.7
Highest 1644.7 (2026-01-01)
Min/Max +/- allowed 88
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1628.1
Final +/- 0
New Rating
()
Rating 1626.3
K-factor 28
Floor 1144.7
Highest 1644.7 (2026-01-01)
Min/Max +/- allowed 88
Rapid rating
Rating 1300.4
K-factor 36
Floor 800.4
Highest 1633.1 (2023-09-01)
Min/Max +/- allowed 89.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1300.4
K-factor 36
Floor 800.4
Highest 1633.1 (2023-09-01)
Min/Max +/- allowed 89.5
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1623.2 5 4 1756.4 19.3 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Tshwane Chess Registration Tournament (B) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1694.2 5 2 1471 0 Details
2 2025 Mzansi Individual Championships (U12 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1537 6 5.5 1823.1 0 Details
3 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1537 6 6 1769.5 0 Details
4 Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1537 5 3 1644.9 0 Details
5 GoForChess Junior Chess Championships 2025 (U12) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1513.5 5 4 1669.7 0 Details
6 JMC - Trinity Randpark Ridge 2025 (U12) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1508.5 5 3.5 1546.7 0 Details
7 South African Junior Closed Chess Championships 2025 (U10 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1514.9 9 5 1483.2 0 Details
8 JMC Crawford Ruimsig 2025 (C) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1438.6 5 4 1673.9 0 Details
9 First Knights Juniors Chess Tournament 2025 (A+B) Standard 2025-02-09 2025-02-09 Johannesburg Metro (GJM) 5 1424.1 5 3 1602.6 0 Details
10 JMC Kick Off 2025 (C) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1424.1 5 2.5 1338.1 0 Details
11 Gauteng Inter-Region at UJ 2024 (U10 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1392.2 5 3.5 1559.8 0 Details
12 Laerskool Doringkloof Primary Open Chess Tournament 2024 (B) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1460.3 5 2.5 1284 0 Details
13 2024 Gauteng North Open Chess Tournament (B) Standard 2024-10-05 2024-10-06 Tshwane (GTP) 5 1460.3 5 2 1242.3 0 Details
14 Chess Power House July Open 2024 (C) Standard 2024-07-20 2024-07-20 Johannesburg Metro (GJM) 5 1485.8 5 3 1327.4 0 Details
15 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1582 9 4.5 1205.1 0 Details
16 Second Knight Riders Juniors Open Chess Tournament 2024 (C) Standard 2024-06-08 2024-06-08 Johannesburg Metro (GJM) 5 1582 5 3 1341 0 Details
17 JMC Trinityhouse Little Falls 2024 (U10) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1582 5 3 1469.2 0 Details
18 GoForChess Junior Chess Championships 2024 (Junior) Standard 2024-05-19 2024-05-19 Johannesburg Metro (GJM) 5 1457.9 5 5 1663.6 0 Details
19 South African Junior Closed Chess Championship 2024 (U10 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1457.9 9 6 1475.7 0 Details
20 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1457.9 5 4.5 1692.2 0 Details
21 1st Knights Open Tournament 2024 (U10) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1433.5 5 4 1452.6 0 Details
22 JMC Unika School Tournament 2024 (U10) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1433.5 5 4 1579 0 Details
23 2024 Gauteng Inter-Region Chess Championship (U10B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1399.6 5 3 1409 0 Details
24 JMC Kick Off Tournament 2024 (U10) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1399.6 5 3 1419 0 Details
25 Africawide Chess Championship 2023 (Development A) Standard 2023-11-04 2023-11-04 Johannesburg Metro (GJM) 5 1333.1 5 4 1518.5 0 Details
26 ThinkChess Academy 2023 (B) Standard 2023-09-09 2023-09-09 Johannesburg Metro (GJM) 5 1233.6 5 4 1505.6 0 Details
27 Chess Molecules Rapid 2023 (Grade 0-2) Rapid 2023-09-23 2023-09-23 Ekurhuleni (GE) 5 1233.6 5 5 1726.7 0 Details
28 JMC Closed Aug 2023 (U10) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1282 6 2 1053.4 0 Details
29 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Blitz 2023-07-30 2023-07-30 Johannesburg Metro (GJM) 7 1282 0 0 0 0 Details
30 2023 South African Junior Closed Chess Championships (U8 Girls) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1340.2 6 2 1080.4 0 Details
31 JNW Open - Crawford 2023 (U10) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 1442.2 5 3 1285 0 Details
32 JMC 1 St Peters 2023 (D) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1442.2 5 1 940.4 0 Details
33 2022 South African Junior Wild Card Chess Championships (U8 Girls) Classical 2022-12-09 2022-12-12 4 Knights (4K) 7 1282 7 6 1527.8 0 Details
34 2022 South African Junior Team Chess Championships (U8 Open+Girls) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1282 7 4.5 1391.4 0 Details
35 Mzansi Spring Open 2022 (U8) Standard 2022-09-03 2022-09-03 Johannesburg Metro (GJM) 5 1011.9 5 4 1362.1 0 Details
36 JMC 3rd Trials 2022 (U8) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1011.9 5 5 1679.7 0 Details
37 JMC 2nd Trials 2022 (U8) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 988.3 5 2 1117.1 0 Details
38 JNW Helpmekaar 2022 (Rookies) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1032.2 5 0 777.8 0 Details
39 South African Junior Closed Chess Championships 2022 (U8 Girls) Classical 2022-03-28 2022-04-01 Chess South Africa (CSA) 9 1139.8 6 0 715 0 Details
40 Goforchess Junior Championship 2022 (Grayston) Standard 2022-03-06 2022-03-06 Johannesburg Metro (GJM) 5 1227.6 4 0 772.2 0 Details
41 Goforchess Junior Championship 2022 (Saheti) Standard 2022-03-05 2022-03-05 Johannesburg Metro (GJM) 5 1227.6 5 2 1095 0 Details
42 JMC Charterhouse Open 2022 (E) Standard 2022-02-12 2022-02-12 Johannesburg Metro (GJM) 5 1200 4 3.5 1375.8 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 5
Wins 2
Draws 0
Losses 3
White 3
Black 2
White wins 0
Black wins 2
Score 2
Percent 40
Dp -85
AOR 1556
Performance 1471
Game statistics (History)
Games 224
Wins 132
Draws 11
Losses 81
White 114
Black 110
White wins 72
Black wins 60
Score 137.5
Percent 61.4
Dp 96.8
AOR 1296.6
Performance 1393.4
Rankings (Main)
National
Overall 848
Gender 61
Age group 29
Gender/Age 2
Provincial
Overall 303
Gender 24
Age group 17
Gender/Age 2
Regional
Overall 118
Gender 12
Age group 9
Gender/Age 2
Rankings (Standard)
National
Overall 764
Gender 55
Age group 26
Gender/Age 2
Provincial
Overall 283
Gender 22
Age group 15
Gender/Age 2
Regional
Overall 101
Gender 11
Age group 8
Gender/Age 2
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 2
Percent 40
Aor 1556
Dp -85
Prat 1471
Performance (12 months)
Games 41
Score 29
Percent 70.7
Aor 1447.3
Dp 176.2
Prat 1623.6
Performance (History)
Games 224
Score 137.5
Percent 61.4
Aor 1296.6
Dp 96.8
Prat 1393.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Vermaak, A (Alri) 5 3 2 2022 South African Junior Wild Card Chess Championships (U8 Girls) Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) Details
Overall 2 Stelloh, S (Sebastian) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Overall 3 Chinoruma, M (Maka) 5 4 1 JMC Charterhouse Open 2022 (E) JMC Closed Aug 2023 (U10) Details
Overall 4 Steyn, M (Mari-Louise) 4 1 3 JMC 2nd Trials 2022 (U8) 2023 South African Junior Closed Chess Championships (U8 Girls) Details
Overall 5 Le Kay, A (Alexa) 4 1 3 South African Junior Closed Chess Championships 2022 (U8 Girls) 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Details
Standard 1 Vermaak, A (Alri) 5 3 2 2022 South African Junior Wild Card Chess Championships (U8 Girls) Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) Details
Standard 2 Stelloh, S (Sebastian) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Standard 3 Chinoruma, M (Maka) 5 4 1 JMC Charterhouse Open 2022 (E) JMC Closed Aug 2023 (U10) Details
Standard 4 Steyn, M (Mari-Louise) 4 1 3 JMC 2nd Trials 2022 (U8) 2023 South African Junior Closed Chess Championships (U8 Girls) Details
Standard 5 Le Kay, A (Alexa) 4 1 3 South African Junior Closed Chess Championships 2022 (U8 Girls) 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Details