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Player profile

Lam, Lok Sum

Standard: 1716 Rapid: 1698 Blitz: 1711 (last updated 2026-11-02)
FIDE ID: 6009360 (view FIDE profile)
Federation: HKG Sex: M Birth Year: 2006 Age: 20
Title: — Women's title: — Other title: — FOA title: —
Games: 41 Wins: 17 (41%) Draws: 7 (17%) Losses: 17 (41%)
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Dossier

33 of 41 games analyzed.

Accuracy: 84.6%
Opened d4: 11/13Opened e4: 1/13Opened b3: 1/13
Castled kingside: 15Same-side castling: 13Castled queenside: 8Opposite-side castling: 7Did not castle: 2
Played on the kingside: 9Played in the center: 8Fianchettoed kingside: 6Played on the queenside: 6Fianchettoed queenside: 6
Active pieces: 22Backward pawn: 21Initiated exchanges: 16Missed tactics: 16Sacrificed material: 15Space advantage: 14Kept the bishop pair: 13Isolated pawn: 9Avoided exchanges: 7Played gambits: 1
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Openings

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As White 16 games 7W 2D 7L
Trompowsky Attack 5 games 1W 1D 3L
(unspecified) 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
Classical Defense 1 game 1W 0D 0L
Big Center Variation 1 game 1W 0D 0L
Raptor Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 4 games 3W 0D 1L
Exchange Variation 2 games 2W 0D 0L
Positional Variation 2 games 2W 0D 0L
Charousek Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Marshall Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 3 games 1W 1D 1L
Semi-Averbakh System 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Caro-Kann Defense 1 game 0W 0D 1L
von Hennig Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Sämisch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Boor Attack 1 game 1W 0D 0L
As Black 15 games 5W 4D 6L
French Defense 5 games 1W 2D 2L
Advance Variation 1 game 1W 0D 0L
Euwe Variation 1 game 1W 0D 0L
Winawer Variation 1 game 0W 0D 1L
Poisoned Pawn Variation, Main Line 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 1D 0L
Closed Variation, Main Line 1 game 0W 1D 0L
Chigorin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 2 games 0W 1D 1L
Petrosian Variation 1 game 0W 0D 1L
Stein Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Pirc Defense 2 games 1W 0D 1L
Austrian Attack 1 game 1W 0D 0L
Unzicker Attack 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 2 games 1W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Stonewall Variation 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
London System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Czech Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
Budapest Gambit Accepted 1 game 0W 0D 1L
Main Line, Alekhine Variation, Abonyi Variation 1 game 0W 0D 1L
Blunders Top 4 of 219

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

2026.06.20 · 38... Kg7 (−65.3% win chance) 1-0
Lam, Lok Sum
Sun, Angust
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2025.12.24 · 38. Bxg5 (−58.1% win chance) 0-1
Zheng, Xiner
Lam, Lok Sum
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? · 18... Qa2 (−52.4% win chance) 0-1
Lam, Lok Sum
Amr Iftikhar, Hashmi
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2026.06.18 · 31. Rxh7 (−47.5% win chance) 1/2-1/2
Ng, Jay Pee
Lam, Lok Sum
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View blunders & mistakes
Games Showing all 41 games
Date Event Round Color Opponent Result Accuracy % First moves