Player profile

Theijn, Dave

Standard: 1966 Rapid: 0 Blitz: 0 (last updated 2026-11-02)

FIDE ID: 40123073 (view FIDE profile)

Federation: NED Sex: M Birth Year: 1971 Age: 55

Title: — Women's title: — Other title: — FOA title: —

Games: 2 Wins: 1 (50%) Draws: 0 (0%) Losses: 1 (50%)

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Dossier

2 of 2 games analyzed.

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Openings

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As White 1 game 1W 0D 0L

French Defense 1 game 1W 0D 0L

Tarrasch Variation 1 game 1W 0D 0L

Closed Variation 1 game 1W 0D 0L

As Black 1 game 0W 0D 1L

Caro-Kann Defense 1 game 0W 0D 1L

Advance Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 9

This player's costliest moves in analyzed games. Can you find the winning move?

2026.02.21 · 34. Rb7 (−22% win chance) 1-0

Geboers, Jimmy

Theijn, Dave

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2026.02.21 · 20. Nxc6 (−18% win chance) 1-0

Geboers, Jimmy

Theijn, Dave

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2026.02.21 · 26. d5 (−12.9% win chance) 1-0

Geboers, Jimmy

Theijn, Dave

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2026.02.21 · 8... c5 (−12.5% win chance) 1-0

Theijn, Dave

Margaryan, Aren

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Games Showing all 2 games

Date	Event	Round	Color	Opponent	Result	Accuracy %	First moves
2026.02.21	Round 4: Margaryan, Aren - Theijn, Dave	4.8		2026.02.21 Margaryan, Aren (40105075) (1811)	0	78.50%	1. e4 c6 2. d4 d5 3. e5 Bf5
2026.02.21	Round 3: Theijn, Dave - Geboers, Jimmy	3.8		2026.02.21 Geboers, Jimmy (262919) (1941)	1	91.50%	1. e4 e6 2. d4 d5 3. Nd2 Nf6