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Player profile

Lahdelma, Henri

Standard: 2347 Rapid: 2262 Blitz: 2168 (last updated 2026-11-02)
FIDE ID: 510394 (view FIDE profile)
Federation: FIN Sex: M Birth Year: 2000 Age: 26
Title: FM Women's title: — Other title: — FOA title: —
Games: 63 Wins: 22 (35%) Draws: 18 (29%) Losses: 23 (37%)
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Dossier

63 of 63 games analyzed.

Accuracy: 91.1%
Opened d4: 15/28Opened Nf3: 7/28Opened c4: 5/28Opened b3: 1/28
Castled kingside: 41Same-side castling: 38Did not castle: 9Opposite-side castling: 5Castled queenside: 4
Played in the center: 17Fianchettoed kingside: 15Played on the queenside: 15Played on the kingside: 15Fianchettoed queenside: 13
Active pieces: 38Initiated exchanges: 34Sacrificed material: 33Space advantage: 32Isolated pawn: 29Kept the bishop pair: 27Backward pawn: 24Avoided exchanges: 13Missed tactics: 11Played gambits: 6
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Openings

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As White 28 games 11W 6D 11L
Queen's Gambit Declined 7 games 3W 2D 2L
Harrwitz Attack 2 games 0W 2D 0L
Main Line 1 game 0W 1D 0L
Fianchetto Defense 1 game 0W 1D 0L
Exchange Variation 2 games 1W 0D 1L
Carlsen Variation 1 game 0W 0D 1L
Positional Variation 1 game 1W 0D 0L
Tarrasch Defense 1 game 1W 0D 0L
Pseudo-Tarrasch Bishop Attack 1 game 1W 0D 0L
Albin Countergambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Knight Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 6 games 4W 1D 1L
Symmetrical Variation 3 games 3W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Three Knights, Fianchetto Variation 1 game 1W 0D 0L
Botvinnik System Reversed, with Nf3 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Catalan Defense Accepted 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Indian Formation 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 3 games 1W 0D 2L
Sämisch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Normal Variation 1 game 0W 0D 1L
Gligoric System 1 game 0W 0D 1L
Semi-Slav Defense 2 games 0W 2D 0L
Meran Variation 1 game 0W 1D 0L
Lundin Variation 1 game 0W 1D 0L
Stoltz Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Quiet Variation 1 game 1W 0D 0L
Schallopp Defense 1 game 1W 0D 0L
Indian Defense 1 game 0W 0D 1L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 0D 1L
Janowski-Larsen Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 1 game 0W 0D 1L
Steiner Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Traditional Variation, Nimzowitsch Line 1 game 1W 0D 0L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense 1 game 0W 0D 1L
Zukertort Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 26 games 8W 8D 10L
Caro-Kann Defense 4 games 2W 0D 2L
Two Knights Attack 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
Mindeno Variation, Exchange Line 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Advance Variation 1 game 0W 0D 1L
Tal Variation 1 game 0W 0D 1L
Scandinavian Defense 4 games 1W 1D 2L
Gubinsky-Melts Defense 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Modern Variation 1 game 0W 0D 1L
Gipslis Variation 1 game 0W 0D 1L
Queen's Gambit Declined 3 games 1W 2D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Janowski Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Tarrasch Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
French Defense 3 games 1W 0D 2L
Tarrasch Variation 1 game 1W 0D 0L
Open System, Euwe-Keres Line 1 game 1W 0D 0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 0D 1L
Winawer Variation 1 game 0W 0D 1L
Poisoned Pawn Variation Declined 1 game 0W 0D 1L
Nimzo-Indian Defense 3 games 0W 3D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sämisch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Bernstein Defense, Exchange Line 1 game 0W 1D 0L
Queen's Gambit Accepted 3 games 1W 1D 1L
Central Variation 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
Old Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
Petrov's Defense 1 game 0W 1D 0L
Damiano Variation 1 game 0W 1D 0L
Kholmov Gambit 1 game 0W 1D 0L
Sicilian Defense 1 game 0W 0D 1L
French Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 0D 1L
Four Knights System 1 game 0W 0D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
Blunders Top 4 of 243

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

2023.04.09 · 30. Rxh7 (−50.1% win chance) 0-1
Pekka Köykkä
Henri Lahdelma
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2023.04.13 · 71. e7 (−45.3% win chance) 1-0
Toni Pönniö
Henri Lahdelma
View game
2025.04.18 · 30... Be5 (−43.7% win chance) 1-0
Lahdelma, Henri
Agopov, Mikael
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2026.04.02 · 47... Qh7 (−43.1% win chance) 1/2-1/2
Lahdelma, Henri
Ronka, Erik
View game
View blunders & mistakes
Games Showing all 63 games
Date Event Round Color Opponent Result Accuracy % First moves