KNSB FIDE

Mary Demarteau

Rated since July 2025

1200 Classic

400 Rapid

1200 Blitz

RIVALRY

Nemesis

Devender, J. (Jain)

Games: 5 · Win rate: 0%

Kryptonite

Tuladhar, A.M. (Aaron Man)

Games: 4 · Win rate: 0%

The good & the bad

Worst losses

DEMARTEAU, I. (IAN) 521

10564 KC Rapid Rush Groep A · Friday 23 May 2025

VENKATARAM, A. (ADHVIK) 740

10564 KC Rapid Rush Groep A · Friday 23 May 2025

NGUYEN, V. (VAN) 796

10564 KC Rapid Rush Groep A · Friday 30 May 2025

DUIVEN VAN, M. (MITCHEL) 842

10564 KC Rapid Rush Groep A · Friday 30 May 2025

NES VAN DE, J. (JIP) 1262

10564 KC Rapid Rush Groep A · Friday 30 May 2025

Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +0–9=0

KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–2=0

KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–4=0

KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +0–5=0

KC Rapid Rush Groep A Friday 16 May 2025 +0–8=0

Rating History

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Peak Ratings

Classic 1200 April 1, 2026

Rapid 400 July 1, 2025

Blitz 1200 April 1, 2026

Games

Wins 0

Losses 28

Draws 0

Win Rate 0%

Performance by Color

Color	Wins	Draws	Losses	Win Rate
White	0	0	19	0%
Black	0	0	9	0%

Recent Matches

Contrera naranjo, N. (Néstor) (1640) Saturday 7 March 2026 LOSS

Roersma, M. (Melvin) (1437) Sunday 18 January 2026 LOSS

Stolp, H.P. (Peter) (1498) Saturday 17 January 2026 LOSS

Schindler, Mailin Friday 16 January 2026 LOSS

Tuladhar, A.M. (Aaron Man) (1559) Saturday 13 December 2025 LOSS

Devender, J. (Jain) (1308) Saturday 22 November 2025 LOSS