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

PLAYER PAGE

Matthew Koutsouvelis

1140151191
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1745.7
K-factor 28
Floor 1249.6
Highest 1749.6 (2026-04-01)
Min/Max +/- allowed 76
Rating Change
()
Games 11
Score 10
We 9.44
SWe 0.18
Temp +/- 4.9
Penalties 0
Weight perform 1754.1
Final +/- +8.4
New Rating
()
Rating 1754.1
K-factor 28
Floor 1254.1
Highest 1754.1 (2026-10-01)
Min/Max +/- allowed 75.3
Standard rating
Rating 1771.1
K-factor 28
Floor 1271.1
Highest 1771.1 (2026-09-01)
Min/Max +/- allowed 73.5
Rating Change
()
Games 6
Score 5
We 5.18
SWe -0.18
Temp +/- -5
Penalties 0
Weight perform 1749
Final +/- -5
New Rating
()
Rating 1766.1
K-factor 28
Floor 1271.1
Highest 1771.1 (2026-09-01)
Min/Max +/- allowed 73.5
Rapid rating
Rating 1233.2
K-factor 36
Floor 733.2
Highest 1233.2 (2026-06-01)
Min/Max +/- allowed 158.2
Rating Change
()
Games 5
Score 5
We 2.28
SWe 2.72
Temp +/- 98
Penalties 0
Weight perform 0
Final +/- +98
New Rating
()
Rating 1331.2
K-factor 36
Floor 831.2
Highest 1331.2 (2026-10-01)
Min/Max +/- allowed 137.5
Blitz rating
Rating 1344.6
K-factor 36
Floor 844.6
Highest 1344.6 (2026-08-01)
Min/Max +/- allowed 134.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1344.6
K-factor 36
Floor 844.6
Highest 1344.6 (2026-08-01)
Min/Max +/- allowed 134.9
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Eastern Cape Closed Championship 2026 (U14 Open) Standard 2026-09-25 2026-09-26 Sarah Baartman (ESB) 6 1745.7 6 5 1740.6 -0.3 Details
2 Eastern Cape Chess Festival 2026 (Inter-Regionals U14) Rapid 2026-09-25 2026-09-25 Sarah Baartman (ESB) 5 1745.7 5 5 1826.6 5.3 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 PECC Presidents Cup (B) Standard 2026-07-30 2026-08-27 Nelson Mandela Bay (ENM) 5 1745.7 5 4 1849.6 19.4 Details
2 NMB Closed 2026 (U14) Standard 2026-08-15 2026-08-15 Nelson Mandela Bay (ENM) 5 1745.7 5 5 1920.1 31.7 Details
3 UCC Mind Over Board 2026 (B) Standard 2026-08-01 2026-08-01 Nelson Mandela Bay (ENM) 5 1745.7 5 4 1538.8 -9.1 Details
4 2026 PECC Fast & Furious Blitz II Blitz 2026-05-28 2026-05-28 Nelson Mandela Bay (ENM) 7 1722.6 7 4 1598.1 -4.6 Details
5 South African Open Championship 2026 (U13 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1722.6 7 4.5 1653.1 -14.4 Details
6 NMBCU Trials 6 2026 (U14+U16) Standard 2026-05-22 2026-05-23 Nelson Mandela Bay (ENM) 6 1749.6 6 5 1790.2 6.3 Details
7 NMBCU Trials 5 2026 (U14) Standard 2026-05-15 2026-05-16 Nelson Mandela Bay (ENM) 6 1749.6 6 4 1651.5 -12.8 Details
8 2026 PECC Fast & Furious Blitz I Blitz 2026-05-14 2026-05-21 Nelson Mandela Bay (ENM) 10 1749.6 10 5.5 1650.2 -6.1 Details
9 2026 PECC Fast & Furious Rapid Rapid 2026-04-16 2026-04-30 Nelson Mandela Bay (ENM) 6 1749.6 6 3.5 1602.4 -14.4 Details
10 2026 NMBCU Trials 4 (U14) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1707.6 5 5 1845.8 20.3 Details
11 NMBCU Trials 3 2026 (U14) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1707.6 3 2 1490.2 -17.5 Details
12 Eastern Cape Open 2026 (U8-U14 Boys) Standard 2026-04-11 2026-04-12 Buffalo City (EBC) 7 1707.6 7 5.5 1755.3 13.5 Details
13 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1707.6 9 5 1599.3 -32.8 Details
14 2026 NMBCU Trials 2 (U14) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1663.9 6 5 1829.4 27.4 Details
15 Pearson Chess Festival 2026 (C) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1669.6 4 3 1704.1 2.8 Details
16 NMBCU Trial 1 2026 (U14) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1669.6 5 4 1723.5 4.8 Details
17 SAJCCC ENM Players Fundraiser February 2026 (A) Standard 2026-02-14 2026-02-14 Nelson Mandela Bay (ENM) 5 1669.6 5 2.5 1555.5 -11.8 Details
18 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1691 6 4 1623.8 -9.2 Details
19 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1691 6 3.5 1637.3 -6.1 Details
20 EC Closed 2025 (U12 Boys) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1662.2 6 5 1815.5 20.5 Details
21 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1599.2 6 5.5 1769.5 20.3 Details
22 Eastern Cape Inter-Regional Team Chess Championship 2025 (U12) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1599.2 4 3.5 1605 0.7 Details
23 Ty's Winter Classic 2025 Standard 2025-06-27 2025-06-28 Nelson Mandela Bay (ENM) 7 1496.9 7 6.5 1759.8 35.4 Details
24 NMBCU Closed 2025 (U12) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1496.9 6 4 1579.6 9.8 Details
25 NMBCU Open 2025 (C) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1492.5 6 4 1482.2 -1 Details
26 NMBCU Trial 4 2025 (U12) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1492.5 5 3.5 1522.3 3.8 Details
27 NMB 2nd Trials 2025 (U12) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1449 6 4.5 1600.8 19.3 Details
28 Pearson High Chess Festival 2025 (C) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1390 5 2.5 1305.7 -8.8 Details
29 NMBCH Trial 1 2025 (U12) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1390 6 5 1700.5 36.4 Details
30 NMBCU vs BCC Derby Chess Invitational 2025 (U12) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1303.2 5 3.5 1577.7 26.8 Details
31 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) Blitz 2025-01-12 2025-01-12 Nelson Mandela Bay (ENM) 9 1303.2 9 6.5 1563.3 10 Details
32 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1336.3 7 2.5 1228.8 -18.6 Details
33 Grey Junior School Chess Team Championship 2024 (Senior) Rapid 2024-11-02 2024-11-02 Nelson Mandela Bay (ENM) 5 1328.1 5 3 1398.4 4.6 Details
34 NMBCU Closed 2024 (U12) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1292 6 4 1459.9 20.1 Details
35 NMBCU Trial 5 2024 (U12) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1270.2 6 3.5 1374.7 12.1 Details
36 NMBCU Trials 4 2024 (U12) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1277.1 6 3 1244.6 -3.8 Details
37 NMBCU Trial 3 2024 (U12) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1296.5 6 3 1204.8 -10.8 Details
38 NMBCU Trials 1 2024 (U12) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1293.5 5 4 1476.7 18.6 Details
39 Pearson Open Chess Tournament 2024 (C) Standard 2024-02-23 2024-02-24 Nelson Mandela Bay (ENM) 5 1293.5 5 2 1115 -16.6 Details
40 Eastern Cape Provincial Individual Championship 2023 (U10 Boys) Standard 2023-10-05 2023-10-05 Nelson Mandela Bay (ENM) 7 1273.9 7 4 1332.7 7.5 Details
41 Eastern Cape Chess Team Championship 2023 (U10) Standard 2023-10-07 2023-10-08 Sarah Baartman (ESB) 5 1273.9 3 2 1317.1 3.4 Details
42 NMBCU Closed 2023 (U10) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1269.7 6 3.5 1278.7 1.2 Details
43 NMBCU Trial 4 2023 (U10) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 6 1235.6 4 3 1404 13.1 Details
44 EP Trials 3 2023 (U10) Standard 2023-05-05 2023-05-06 Nelson Mandela Bay (ENM) 6 1247.6 4 2 1161.8 -6.6 Details
45 Youth Chess Acadamy Rapid Tournament 2023 (B) Rapid 2023-03-11 2023-03-11 Nelson Mandela Bay (ENM) 5 1230.5 5 1 954.2 -12.3 Details
46 NMB 2nd Trials 2023 (U10) Standard 2023-03-24 2023-03-25 Nelson Mandela Bay (ENM) 6 1230.5 3 3 1616.3 21.9 Details
47 NMB 1st Trials 2023 (U8+U10) Standard 2023-02-17 2023-02-18 Nelson Mandela Bay (ENM) 6 1200 6 4 1330.5 15.3 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 112
Wins 77
Draws 9
Losses 26
White 56
Black 56
White wins 39
Black wins 38
Score 81.5
Percent 72.8
Dp 193.5
AOR 1504.8
Performance 1698.3
Game statistics (History)
Games 279
Wins 178
Draws 25
Losses 76
White 139
Black 140
White wins 89
Black wins 89
Score 190.5
Percent 68.3
Dp 155.4
AOR 1397.9
Performance 1553.3
Rankings (Main)
National
Overall 404
Gender 379
Age group 16
Gender/Age 16
Provincial
Overall 31
Gender 29
Age group 2
Gender/Age 2
Regional
Overall 22
Gender 20
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 313
Gender 294
Age group 10
Gender/Age 10
Provincial
Overall 22
Gender 20
Age group 2
Gender/Age 2
Regional
Overall 15
Gender 13
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 3528
Gender 2805
Age group 765
Gender/Age 554
Provincial
Overall 299
Gender 244
Age group 48
Gender/Age 30
Regional
Overall 88
Gender 77
Age group 10
Gender/Age 6
Rankings (Blitz)
National
Overall 284
Gender 274
Age group 18
Gender/Age 17
Provincial
Overall 26
Gender 26
Age group 1
Gender/Age 1
Regional
Overall 18
Gender 18
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 112
Score 81.5
Percent 72.8
Aor 1504.8
Dp 193.5
Prat 1698.3
Performance (12 months)
Games 124
Score 89
Percent 71.8
Aor 1506.7
Dp 185.1
Prat 1691.8
Performance (History)
Games 279
Score 190.5
Percent 68.3
Aor 1397.9
Dp 155.4
Prat 1553.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Hugo, K (Kian) 8 5 3 NMBCH Trial 1 2025 (U12) 2026 PECC Presidents Cup (B) Details
Overall 2 Stander, CL (Cael Lelethu) 8 2 6 NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) NMBCU Trials 5 2026 (U14) Details
Overall 3 Mouton, W (Wyatt) 7 2 5 NMB 1st Trials 2023 (U8+U10) NMBCU Trials 5 2026 (U14) Details
Overall 4 Adams, C (Ciara) 6 3 3 Youth Chess Acadamy Rapid Tournament 2023 (B) 2026 PECC Presidents Cup (B) Details
Overall 5 Furniss, T (Tyler) 6 3 3 NMB 1st Trials 2023 (U8+U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Standard 1 Stander, CL (Cael Lelethu) 7 2 5 NMBCH Trial 1 2025 (U12) NMBCU Trials 5 2026 (U14) Details
Standard 2 Mouton, W (Wyatt) 7 2 5 NMB 1st Trials 2023 (U8+U10) NMBCU Trials 5 2026 (U14) Details
Standard 3 Hugo, K (Kian) 6 3 3 NMBCH Trial 1 2025 (U12) 2026 PECC Presidents Cup (B) Details
Standard 4 Furniss, T (Tyler) 6 3 3 NMB 1st Trials 2023 (U8+U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Standard 5 Boggenpoel, L (Levi) 6 5 1 EP Trials 3 2023 (U10) NMB 2nd Trials 2025 (U12) Details
Blitz 1 Van Der Merwe, L (Lucas) 2 1 1 2026 PECC Fast & Furious Blitz I 2026 PECC Fast & Furious Blitz II Details
Blitz 2 Kapp, S (Sebastian) 2 1 1 2026 PECC Fast & Furious Blitz I 2026 PECC Fast & Furious Blitz II Details
Blitz 3 Kleinhans, R (Raphael) 2 1 1 2026 PECC Fast & Furious Blitz I 2026 PECC Fast & Furious Blitz II Details