Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Isabella Exarchos

2150136753
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1649.6
K-factor 28
Floor 1166.1
Highest 1666.1 (2026-04-01)
Min/Max +/- allowed 85
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1526.1
Final +/- 0
New Rating
()
Rating 1649.6
K-factor 28
Floor 1166.1
Highest 1666.1 (2026-04-01)
Min/Max +/- allowed 85.4
Standard rating
Rating 1681.3
K-factor 28
Floor 1181.3
Highest 1681.3 (2026-07-01)
Min/Max +/- allowed 83.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1645.2
Final +/- 0
New Rating
()
Rating 1681.3
K-factor 28
Floor 1181.3
Highest 1681.3 (2026-07-01)
Min/Max +/- allowed 83.5
Rapid rating
Rating 1298.8
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 1298.8
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
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 JMC Queens of the Board Rapid 2026 (Junior) Rapid 2026-06-13 2026-06-13 Johannesburg Metro (GJM) 5 1666.1 5 3 1355.1 -26.5 Details
2 JMC Helpmekaar 2026 (U12) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1666.1 5 4 1744.8 10 Details
3 South African Junior Closed Chess Championship 2026 (U12 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1656.4 9 5.5 1684.3 9.7 Details
4 JMC Trinityhouse Little Falls (U12) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1623.2 5 4 1756.4 19.4 Details
5 2026 Tshwane Chess Registration Tournament (B) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1694.2 5 2 1471 -22.4 Details
6 2025 Mzansi Individual Championships (U12 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1537 6 5.5 1823.1 42.2 Details
7 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 27.6 Details
8 Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1537 5 3 1644.9 11.1 Details
9 GoForChess Junior Chess Championships 2025 (U12) Standard 2025-09-14 2025-09-14 Johannesburg Metro (GJM) 5 1513.5 5 4 1669.7 14.6 Details
10 JMC - Trinity Randpark Ridge 2025 (U12) Standard 2025-07-26 2025-07-26 Johannesburg Metro (GJM) 5 1508.5 5 3.5 1546.7 3.2 Details
11 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 -7.4 Details
12 JMC Crawford Ruimsig 2025 (C) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1438.6 5 4 1673.9 23.7 Details
13 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 18.1 Details
14 JMC Kick Off 2025 (C) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1424.1 5 2.5 1338.1 -9 Details
15 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 17.8 Details
16 Laerskool Doringkloof Primary Open Chess Tournament 2024 (B) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1460.3 5 2.5 1284 -17.8 Details
17 2024 Gauteng North Open Chess Tournament (B) Standard 2024-10-05 2024-10-06 Tshwane (GTP) 5 1460.3 5 2 1242.3 -24.8 Details
18 Chess Power House July Open 2024 (C) Standard 2024-07-20 2024-07-20 Johannesburg Metro (GJM) 5 1485.8 5 3 1327.4 -15.9 Details
19 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1582 9 4.5 1205.1 -62.6 Details
20 Second Knight Riders Juniors Open Chess Tournament 2024 (C) Standard 2024-06-08 2024-06-08 Johannesburg Metro (GJM) 5 1582 5 3 1341 -22.6 Details
21 JMC Trinityhouse Little Falls 2024 (U10) Standard 2024-06-02 2024-06-02 Johannesburg Metro (GJM) 5 1582 5 3 1469.2 -10.1 Details
22 GoForChess Junior Chess Championships 2024 (Junior) Standard 2024-05-19 2024-05-19 Johannesburg Metro (GJM) 5 1457.9 5 5 1663.6 20.9 Details
23 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 3.4 Details
24 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1457.9 5 4.5 1692.2 23.9 Details
25 1st Knights Open Tournament 2024 (U10) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1433.5 5 4 1452.6 1.5 Details
26 JMC Unika School Tournament 2024 (U10) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1433.5 5 4 1579 13.8 Details
27 2024 Gauteng Inter-Region Chess Championship (U10B) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1399.6 5 3 1409 0.4 Details
28 JMC Kick Off Tournament 2024 (U10) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1399.6 5 3 1419 2.7 Details
29 Africawide Chess Championship 2023 (Development A) Standard 2023-11-04 2023-11-04 Johannesburg Metro (GJM) 5 1333.1 5 4 1518.5 21.4 Details
30 ThinkChess Academy 2023 (B) Standard 2023-09-09 2023-09-09 Johannesburg Metro (GJM) 5 1233.6 5 4 1505.6 27.2 Details
31 Chess Molecules Rapid 2023 (Grade 0-2) Rapid 2023-09-23 2023-09-23 Ekurhuleni (GE) 5 1233.6 5 5 1726.7 35.5 Details
32 JMC Closed Aug 2023 (U10) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1282 6 2 1053.4 -30.2 Details
33 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
34 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 -36.6 Details
35 JNW Open - Crawford 2023 (U10) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 1442.2 5 3 1285 -15.8 Details
36 JMC 1 St Peters 2023 (D) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1442.2 5 1 940.4 -48 Details
37 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 39.8 Details
38 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 15.6 Details
39 Mzansi Spring Open 2022 (U8) Standard 2022-09-03 2022-09-03 Johannesburg Metro (GJM) 5 1011.9 5 4 1362.1 34.9 Details
40 JMC 3rd Trials 2022 (U8) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1011.9 5 5 1679.7 64.2 Details
41 JMC 2nd Trials 2022 (U8) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 988.3 5 2 1117.1 13.1 Details
42 JNW Helpmekaar 2022 (Rookies) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1032.2 5 0 777.8 -24.4 Details
43 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 -59.8 Details
44 Goforchess Junior Championship 2022 (Grayston) Standard 2022-03-06 2022-03-06 Johannesburg Metro (GJM) 5 1227.6 4 0 772.2 -35.5 Details
45 Goforchess Junior Championship 2022 (Saheti) Standard 2022-03-05 2022-03-05 Johannesburg Metro (GJM) 5 1227.6 5 2 1095 -13.6 Details
46 JMC Charterhouse Open 2022 (E) Standard 2022-02-12 2022-02-12 Johannesburg Metro (GJM) 5 1200 4 3.5 1375.8 13.8 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 29
Wins 18
Draws 1
Losses 10
White 15
Black 14
White wins 9
Black wins 9
Score 18.5
Percent 63.8
Dp 117.2
AOR 1496.4
Performance 1613.7
Game statistics (History)
Games 248
Wins 148
Draws 12
Losses 88
White 126
Black 122
White wins 81
Black wins 67
Score 154
Percent 62.1
Dp 102.8
AOR 1314.8
Performance 1417.6
Rankings (Main)
National
Overall 791
Gender 57
Age group 33
Gender/Age 6
Provincial
Overall 280
Gender 24
Age group 15
Gender/Age 5
Regional
Overall 113
Gender 13
Age group 11
Gender/Age 4
Rankings (Standard)
National
Overall 605
Gender 37
Age group 27
Gender/Age 3
Provincial
Overall 219
Gender 14
Age group 11
Gender/Age 3
Regional
Overall 87
Gender 8
Age group 9
Gender/Age 3
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 29
Score 18.5
Percent 63.8
Aor 1496.4
Dp 117.2
Prat 1613.7
Performance (12 months)
Games 51
Score 37
Percent 72.5
Aor 1473.5
Dp 191.7
Prat 1665.2
Performance (History)
Games 248
Score 154
Percent 62.1
Aor 1314.8
Dp 102.8
Prat 1417.6
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 Stelloh, S (Sebastian) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Helpmekaar Kollege Tournament 2024 (U10) Details
Standard 2 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 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