KNSB FIDE
MC

Maciej Cios

Rated since March 2026

1782 Classic
1655 Rapid

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
RUITER DE, M.C. (MARCEL) 1841
13422 DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 · Thursday 12 March 2026
MAES, A.A.A. (ARON) 1620
13508 Stukkenjagers Open 2025-2026 Ronde 8 & 9 · Wednesday 18 March 2026
JOOSTEN, P. (PIETER) 1423
12338 DD Den Haag Open Schaakkampioenschap 2026 Rondes 1-2 · Thursday 19 February 2026
Worst losses
KORT DE, M. (MARCEL) 1804
13316 KNSB competitie 2025-2026 Klasse 6 ronde 5 · Saturday 28 March 2026
MASTOP, G.M. (GUIDO) 1859
13044 Open competitie Charlois Europoort April Groep A · Friday 10 April 2026
SONNEVELD, D.W.A. (DAVID) 2020
12338 DD Den Haag Open Schaakkampioenschap 2026 Rondes 1-2 · Thursday 12 February 2026
ROMKES, G. (GOSSE) 2025
13422 DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 · Thursday 26 March 2026
DUMONT, T.C.W. (TIES) 2063
12704 Stukkenjagers Open 2025-2026 Ronde 4 · Wednesday 10 December 2025
DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 Thursday 12 February 2026 +1–1=3 +43.0
DD Den Haag Open Schaakkampioenschap 2026 Rondes 1-2 Thursday 12 February 2026 +1–1=0 -1.4
Stukkenjagers Open 2025-2026 Ronde 8 & 9 Wednesday 8 October 2025 +1–1=0 +9.1
Stukkenjagers Open 2025-2026 Ronde 6 & 7 Wednesday 8 October 2025 +0–0=2 +17.0
Stukkenjagers Open 2025-2026 Ronde 5 Wednesday 8 October 2025 +0–0=1 +7.2
Stukkenjagers Open 2025-2026 Ronde 4 Wednesday 8 October 2025 +0–1=0 -5.2
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–1=0 -15.6
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0
Open competitie Charlois Europoort April Groep A Monday 1 September 2025 +0–1=0 -13.3

Rating History

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Peak Ratings

Classic 1786 April 1, 2026
Rapid 1655 March 1, 2026
Blitz 1717 March 1, 2026

Games

Wins 4
Losses 6
Draws 7
Win Rate 24%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 4 3 22%
Black 2 3 3 25%

Recent Matches

Mastop, G.M. (Guido) (1859) Friday 10 April 2026 LOSS -13.3
Clijsen, M.C. (Mark) (2145) Wednesday 8 April 2026 LOSS -3.5
Kort de, M. (Marcel) (1804) Saturday 28 March 2026 LOSS -15.6
Romkes, G. (Gosse) (2025) Thursday 26 March 2026 LOSS -6.1
Ismayilov, U. (Uzeyir) (1979) Thursday 19 March 2026 DRAW +11.2
Maes, A.A.A. (Aron) (1620) Wednesday 18 March 2026 WIN +12.6
Ruiter de, M.C. (Marcel) (1841) Thursday 12 March 2026 WIN +23.9
Haast, J.A.H. (Jan) (1736) Saturday 7 March 2026 DRAW -0.3
Bloem, M. (Milan) (1797) Thursday 5 March 2026 DRAW +2.9
Ngangbam, C. (Chingthang) (1969) Thursday 26 February 2026 DRAW +11.1
Kaufmann, T.F.C. (Thomas) (1984) Wednesday 25 February 2026 DRAW +11.7
Joosten, P. (Pieter) (1423) Thursday 19 February 2026 WIN +5.1
Sonneveld, D.W.A. (David) (2020) Thursday 12 February 2026 LOSS -6.5
Frohnert, Z. (Zico) Saturday 7 February 2026 WIN
Hoog op 't, J. (Joost) (1843) Wednesday 4 February 2026 DRAW +5.3
Karstens, A. (Lex) (1875) Wednesday 14 January 2026 DRAW +7.2
Dumont, T.C.W. (Ties) (2063) Wednesday 10 December 2025 LOSS -5.2