PLAYER PAGE
Matthew Koutsouvelis
1140151191Nelson Mandela Bay (ENM)Personal
Main rating
| Rating | 1663.9 |
| K-factor | 28 |
| Floor | 1190.7 |
| Highest | 1699.9 (2025-09-30) |
| Min/Max +/- allowed | 81 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1653.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1663.9 |
| K-factor | 28 |
| Floor | 1190.7 |
| Highest | 1699.9 (2025-09-30) |
| Min/Max +/- allowed | 81.3 |
Standard rating
| Rating | 1657.6 |
| K-factor | 28 |
| Floor | 1188.7 |
| Highest | 1695.7 (2025-09-30) |
| Min/Max +/- allowed | 81.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1653.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1657.6 |
| K-factor | 28 |
| Floor | 1188.7 |
| Highest | 1695.7 (2025-09-30) |
| Min/Max +/- allowed | 81.8 |
Rapid rating
| Rating | 1184 |
| 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 | 1184 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1273.9 |
| K-factor | 36 |
| Floor | 773.9 |
| Highest | 1273.9 (2025-02-01) |
| Min/Max +/- allowed | 149.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1273.9 |
| K-factor | 36 |
| Floor | 773.9 |
| Highest | 1273.9 (2025-02-01) |
| Min/Max +/- allowed | 149.2 |
Rating Graph
Tournaments
| # | 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 | Pearson Chess Festival 2026 (C) | Standard | 2026-02-27 | 2026-02-28 | Nelson Mandela Bay (ENM) | 5 | 1669.6 | 4 | 3 | 1704.1 | 0 | Details |
| 2 | NMBCU Trial 1 2026 (U14) | Standard | 2026-02-20 | 2026-02-21 | Nelson Mandela Bay (ENM) | 5 | 1669.6 | 5 | 4 | 1723.5 | 0 | Details |
| 3 | 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 | 0 | Details |
| 4 | 2025 Mzansi Individual Championships (U12 Open) | Classical | 2025-12-17 | 2025-12-20 | Nelson Mandela Bay (ENM) | 6 | 1691 | 6 | 4 | 1623.8 | 0 | Details |
| 5 | 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 | 0 | Details |
| 6 | EC Closed 2025 (U12 Boys) | Standard | 2025-09-06 | 2025-09-07 | Nelson Mandela Bay (ENM) | 6 | 1662.2 | 6 | 5 | 1815.5 | 0 | Details |
| 7 | 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 | 0 | Details |
| 8 | 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 | Details |
| 9 | Ty's Winter Classic 2025 | Standard | 2025-06-27 | 2025-06-28 | Nelson Mandela Bay (ENM) | 7 | 1496.9 | 7 | 6.5 | 1759.8 | 0 | Details |
| 10 | NMBCU Closed 2025 (U12) | Standard | 2025-06-13 | 2025-06-14 | Nelson Mandela Bay (ENM) | 6 | 1496.9 | 6 | 4 | 1579.6 | 0 | Details |
| 11 | NMBCU Open 2025 (C) | Standard | 2025-05-23 | 2025-05-24 | Nelson Mandela Bay (ENM) | 6 | 1492.5 | 6 | 4 | 1482.2 | 0 | Details |
| 12 | NMBCU Trial 4 2025 (U12) | Standard | 2025-05-09 | 2025-05-10 | Nelson Mandela Bay (ENM) | 6 | 1492.5 | 5 | 3.5 | 1522.3 | 0 | Details |
| 13 | NMB 2nd Trials 2025 (U12) | Standard | 2025-03-07 | 2025-03-08 | Nelson Mandela Bay (ENM) | 6 | 1449 | 6 | 4.5 | 1600.8 | 0 | Details |
| 14 | Pearson High Chess Festival 2025 (C) | Standard | 2025-02-21 | 2025-02-22 | Nelson Mandela Bay (ENM) | 5 | 1390 | 5 | 2.5 | 1305.7 | 0 | Details |
| 15 | NMBCH Trial 1 2025 (U12) | Standard | 2025-02-14 | 2025-02-15 | Nelson Mandela Bay (ENM) | 6 | 1390 | 6 | 5 | 1700.5 | 0 | Details |
| 16 | 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 | 0 | Details |
| 17 | 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 | 0 | Details |
| 18 | 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 | 0 | Details |
| 19 | 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 | 0 | Details |
| 20 | NMBCU Closed 2024 (U12) | Standard | 2024-09-20 | 2024-09-21 | Nelson Mandela Bay (ENM) | 6 | 1292 | 6 | 4 | 1459.9 | 0 | Details |
| 21 | NMBCU Trial 5 2024 (U12) | Standard | 2024-08-16 | 2024-08-17 | Nelson Mandela Bay (ENM) | 6 | 1270.2 | 6 | 3.5 | 1374.7 | 0 | Details |
| 22 | NMBCU Trials 4 2024 (U12) | Standard | 2024-07-12 | 2024-07-13 | Nelson Mandela Bay (ENM) | 6 | 1277.1 | 6 | 3 | 1244.6 | 0 | Details |
| 23 | NMBCU Trial 3 2024 (U12) | Standard | 2024-05-10 | 2024-05-11 | Nelson Mandela Bay (ENM) | 6 | 1296.5 | 6 | 3 | 1204.8 | 0 | Details |
| 24 | NMBCU Trials 1 2024 (U12) | Standard | 2024-02-16 | 2024-02-16 | Nelson Mandela Bay (ENM) | 6 | 1293.5 | 5 | 4 | 1476.7 | 0 | Details |
| 25 | Pearson Open Chess Tournament 2024 (C) | Standard | 2024-02-23 | 2024-02-24 | Nelson Mandela Bay (ENM) | 5 | 1293.5 | 5 | 2 | 1115 | 0 | Details |
| 26 | 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 | 0 | Details |
| 27 | Eastern Cape Chess Team Championship 2023 (U10) | Standard | 2023-10-07 | 2023-10-08 | Sarah Baartman (ESB) | 5 | 1273.9 | 3 | 2 | 1317.1 | 0 | Details |
| 28 | NMBCU Closed 2023 (U10) | Standard | 2023-08-11 | 2023-08-12 | Nelson Mandela Bay (ENM) | 6 | 1269.7 | 6 | 3.5 | 1278.7 | 0 | Details |
| 29 | NMBCU Trial 4 2023 (U10) | Standard | 2023-07-28 | 2023-07-29 | Nelson Mandela Bay (ENM) | 6 | 1235.6 | 4 | 3 | 1404 | 0 | Details |
| 30 | EP Trials 3 2023 (U10) | Standard | 2023-05-05 | 2023-05-06 | Nelson Mandela Bay (ENM) | 6 | 1247.6 | 4 | 2 | 1161.8 | 0 | Details |
| 31 | 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 | 0 | Details |
| 32 | NMB 2nd Trials 2023 (U10) | Standard | 2023-03-24 | 2023-03-25 | Nelson Mandela Bay (ENM) | 6 | 1230.5 | 3 | 3 | 1616.3 | 0 | Details |
| 33 | NMB 1st Trials 2023 (U8+U10) | Standard | 2023-02-17 | 2023-02-18 | Nelson Mandela Bay (ENM) | 6 | 1200 | 6 | 4 | 1330.5 | 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 | 14 |
| Wins | 9 |
| Draws | 1 |
| Losses | 4 |
| White | 8 |
| Black | 6 |
| White wins | 5 |
| Black wins | 4 |
| Score | 9.5 |
| Percent | 67.9 |
| Dp | 151.8 |
| AOR | 1506.2 |
| Performance | 1658 |
Game statistics (History)
| Games | 181 |
| Wins | 110 |
| Draws | 17 |
| Losses | 54 |
| White | 91 |
| Black | 90 |
| White wins | 55 |
| Black wins | 55 |
| Score | 118.5 |
| Percent | 65.5 |
| Dp | 131.5 |
| AOR | 1340.2 |
| Performance | 1471.7 |
Rankings (Main)
| National | |
| Overall | 644 |
| Gender | 606 |
| Age group | 24 |
| Gender/Age | 20 |
| Provincial | |
| Overall | 58 |
| Gender | 54 |
| Age group | 3 |
| Gender/Age | 3 |
| Regional | |
| Overall | 31 |
| Gender | 28 |
| Age group | 3 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 623 |
| Gender | 585 |
| Age group | 26 |
| Gender/Age | 22 |
| Provincial | |
| Overall | 52 |
| Gender | 48 |
| Age group | 3 |
| Gender/Age | 3 |
| Regional | |
| Overall | 28 |
| Gender | 25 |
| Age group | 3 |
| 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 | 14 |
| Score | 9.5 |
| Percent | 67.9 |
| Aor | 1506.2 |
| Dp | 151.8 |
| Prat | 1658 |
Performance (12 months)
| Games | 72 |
| Score | 53.5 |
| Percent | 74.3 |
| Aor | 1440.8 |
| Dp | 206.6 |
| Prat | 1647.4 |
Performance (History)
| Games | 181 |
| Score | 118.5 |
| Percent | 65.5 |
| Aor | 1340.2 |
| Dp | 131.5 |
| Prat | 1471.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Stander, CL (Cael Lelethu) | 6 | 2 | 4 | NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B) | EC Closed 2025 (U12 Boys) | Details |
| Overall | 2 | Mouton, W (Wyatt) | 6 | 2 | 4 | NMB 1st Trials 2023 (U8+U10) | NMBCU Trial 4 2025 (U12) | Details |
| Overall | 3 | Boggenpoel, L (Levi) | 6 | 5 | 1 | EP Trials 3 2023 (U10) | NMB 2nd Trials 2025 (U12) | Details |
| Overall | 4 | Furniss, T (Tyler) | 5 | 3 | 2 | NMB 1st Trials 2023 (U8+U10) | Ty's Winter Classic 2025 | Details |
| Overall | 5 | Hugo, K (Kian) | 5 | 2 | 3 | NMBCH Trial 1 2025 (U12) | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open) | Details |
| Standard | 1 | Mouton, W (Wyatt) | 6 | 2 | 4 | NMB 1st Trials 2023 (U8+U10) | NMBCU Trial 4 2025 (U12) | Details |
| Standard | 2 | Boggenpoel, L (Levi) | 6 | 5 | 1 | EP Trials 3 2023 (U10) | NMB 2nd Trials 2025 (U12) | Details |
| Standard | 3 | Stander, CL (Cael Lelethu) | 5 | 2 | 3 | NMBCH Trial 1 2025 (U12) | EC Closed 2025 (U12 Boys) | Details |
| Standard | 4 | Furniss, T (Tyler) | 5 | 3 | 2 | NMB 1st Trials 2023 (U8+U10) | Ty's Winter Classic 2025 | Details |
| Standard | 5 | Jacobs, J (Joel) | 5 | 2 | 3 | NMB 1st Trials 2023 (U8+U10) | EC Closed 2025 (U12 Boys) | Details |