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

PLAYER PAGE

Isabella Exarchos

2150136753
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1615.6
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 1461.7
Final +/- 0
New Rating
()
Rating 1615.6
K-factor 28
Floor 1166.1
Highest 1666.1 (2026-04-01)
Min/Max +/- allowed 85.4
Standard rating
Rating 1640.2
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 1550
Final +/- 0
New Rating
()
Rating 1640.2
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 Closed 2026 (U12) Standard 2026-08-01 2026-08-02 Johannesburg Metro (GJM) 5 1615.6 5 3 1405.9 -34 Details
2 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
3 JMC Helpmekaar 2026 (U12) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1666.1 5 4 1744.8 10 Details
4 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
5 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
6 2026 Tshwane Chess Registration Tournament (B) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1694.2 5 2 1471 -22.4 Details
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1582 9 4.5 1205.1 -62.6 Details
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 ThinkChess Academy 2023 (B) Standard 2023-09-09 2023-09-09 Johannesburg Metro (GJM) 5 1233.6 5 4 1505.6 27.2 Details
32 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
33 JMC Closed Aug 2023 (U10) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1282 6 2 1053.4 -30.2 Details
34 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
35 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
36 JNW Open - Crawford 2023 (U10) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 1442.2 5 3 1285 -15.8 Details
37 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
38 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
39 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
40 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
41 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
42 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
43 JNW Helpmekaar 2022 (Rookies) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1032.2 5 0 777.8 -24.4 Details
44 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
45 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
46 Goforchess Junior Championship 2022 (Saheti) Standard 2022-03-05 2022-03-05 Johannesburg Metro (GJM) 5 1227.6 5 2 1095 -13.6 Details
47 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 34
Wins 21
Draws 1
Losses 12
White 17
Black 17
White wins 10
Black wins 11
Score 21.5
Percent 63.2
Dp 112.5
AOR 1470.6
Performance 1583.1
Game statistics (History)
Games 253
Wins 151
Draws 12
Losses 90
White 128
Black 125
White wins 82
Black wins 69
Score 157
Percent 62.1
Dp 102.5
AOR 1314.9
Performance 1417.4
Rankings (Main)
National
Overall 973
Gender 72
Age group 61
Gender/Age 7
Provincial
Overall 365
Gender 31
Age group 29
Gender/Age 4
Regional
Overall 142
Gender 16
Age group 15
Gender/Age 4
Rankings (Standard)
National
Overall 773
Gender 53
Age group 42
Gender/Age 4
Provincial
Overall 294
Gender 22
Age group 19
Gender/Age 3
Regional
Overall 114
Gender 12
Age group 12
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 34
Score 21.5
Percent 63.2
Aor 1470.6
Dp 112.5
Prat 1583.1
Performance (12 months)
Games 56
Score 40
Percent 71.4
Aor 1459.9
Dp 182.1
Prat 1642
Performance (History)
Games 253
Score 157
Percent 62.1
Aor 1314.9
Dp 102.5
Prat 1417.4
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) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Closed 2026 (U12) 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) 5 1 4 JMC 2nd Trials 2022 (U8) JMC Closed 2026 (U12) 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