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Player profile

Hammer, Jon Ludvig

Standard: 2573 Rapid: 2637 Blitz: 2540 (last updated 2026-10-02)
FIDE ID: 1503707 (view FIDE profile)
Federation: NOR Sex: M Birth Year: 1990 Age: 36
Title: GM Women's title: — Other title: — FOA title: —
Games: 126 Wins: 54 (43%) Draws: 54 (43%) Losses: 18 (14%)
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Dossier

120 of 126 games analyzed.

Accuracy: 93.7%
Opened e4: 21/41Opened d4: 15/41Opened Nf3: 4/41Opened c4: 1/41
Castled kingside: 68Same-side castling: 64Did not castle: 14Castled queenside: 4Opposite-side castling: 3
Played on the queenside: 31Played in the center: 19Played on the kingside: 16Fianchettoed kingside: 15Fianchettoed queenside: 15
Active pieces: 63Space advantage: 57Initiated exchanges: 56Sacrificed material: 56Isolated pawn: 45Backward pawn: 44Kept the bishop pair: 43Avoided exchanges: 12Missed tactics: 7Played gambits: 5
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Openings

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As White 46 games 24W 17D 5L
Sicilian Defense 10 games 2W 5D 3L
Moscow Variation 4 games 0W 3D 1L
Moscow Gambit 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Nyezhmetdinov-Rossolimo Attack 3 games 2W 0D 1L
(unspecified) 2 games 1W 0D 1L
Fianchetto Variation 1 game 1W 0D 0L
Richter-Rauzer Variation 1 game 0W 0D 1L
Vitolins Variation 1 game 0W 0D 1L
Najdorf Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
Anti-Sveshnikov Variation 1 game 0W 1D 0L
Ruy Lopez 6 games 5W 1D 0L
Morphy Defense 3 games 3W 0D 0L
Tarrasch Variation 2 games 2W 0D 0L
Cozio Defense 1 game 1W 0D 0L
Berlin Defense 2 games 1W 1D 0L
Anti-Berlin Variation 1 game 0W 1D 0L
Rio Gambit Accepted 1 game 1W 0D 0L
Open 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 4 games 1W 2D 1L
Orthodox Variation 3 games 0W 2D 1L
Glek Defense 1 game 0W 1D 0L
Bayonet Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
Fianchetto Variation 1 game 1W 0D 0L
Uhlmann-Szabo System 1 game 1W 0D 0L
Nimzo-Indian Defense 3 games 2W 1D 0L
Normal Variation 2 games 1W 1D 0L
Classical Defense 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Rubinstein System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
Caro-Kann Defense 3 games 3W 0D 0L
Advance Variation 3 games 3W 0D 0L
Botvinnik-Carls Defense 2 games 2W 0D 0L
Short Variation 1 game 1W 0D 0L
Queen's Gambit Declined 3 games 0W 2D 1L
Austrian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Semi-Tarrasch Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Exchange Variation 1 game 0W 0D 1L
Sämisch Variation 1 game 0W 0D 1L
French Defense 2 games 1W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Italian Game 2 games 1W 1D 0L
Classical Variation 2 games 1W 1D 0L
Giuoco Pianissimo 2 games 1W 1D 0L
King's Indian Attack 1 game 0W 1D 0L
Yugoslav Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Old Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Declined 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Indian 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
Semi-Slav Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Lion Defense 1 game 1W 0D 0L
Bayonet Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pterodactyl Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 46 games 14W 24D 8L
Caro-Kann Defense 10 games 2W 7D 1L
Advance Variation 3 games 0W 2D 1L
(unspecified) 1 game 0W 1D 0L
Short Variation 1 game 0W 0D 1L
Tal Variation 1 game 0W 1D 0L
Tartakower Variation 3 games 0W 3D 0L
(unspecified) 3 games 0W 3D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Forgacs Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
English Opening 7 games 3W 4D 0L
Symmetrical Variation 5 games 2W 3D 0L
(unspecified) 2 games 1W 1D 0L
Botvinnik System Reversed, with Nf3 1 game 0W 1D 0L
Botvinnik System Reversed, with e3 1 game 0W 1D 0L
Three Knights, Fianchetto Variation 1 game 1W 0D 0L
Four Knights System 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 6 games 1W 3D 2L
Two Knights Defense 5 games 1W 3D 1L
Fritz Variation 3 games 0W 2D 1L
Modern Bishop's Opening 2 games 1W 1D 0L
Paris Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 6 games 3W 2D 1L
Lasker Defense 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Barmen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ragozin Defense 1 game 0W 0D 1L
Alekhine Variation 1 game 0W 0D 1L
Exchange Variation 1 game 0W 1D 0L
Positional Variation 1 game 0W 1D 0L
Harrwitz Attack 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Ruy Lopez 5 games 2W 2D 1L
Closed 3 games 1W 1D 1L
Martinez Variation 2 games 1W 1D 0L
Breyer Defense, Zaitsev Hybrid 1 game 0W 0D 1L
Morphy Defense 1 game 1W 0D 0L
Norwegian Variation 1 game 1W 0D 0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation 1 game 0W 1D 0L
Catalan Opening 2 games 0W 1D 1L
Open Defense 2 games 0W 1D 1L
Classical Line 2 games 0W 1D 1L
Benoni Defense 2 games 1W 1D 0L
Old Benoni 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
French Defense 2 games 1W 1D 0L
Advance Variation 1 game 1W 0D 0L
Euwe Variation 1 game 1W 0D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 1W 0D 0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 1 game 0W 1D 0L
Gunsberg Variation 1 game 0W 1D 0L
Provincial Opening 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 0W 1D 0L
Romanishin Variation 1 game 0W 1D 0L
English Hybrid 1 game 0W 1D 0L
Indian Defense 1 game 0W 0D 1L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bishop's Opening 1 game 0W 0D 1L
Vienna Hybrid 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 292

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

2024.10.26 · 33. Bxd6 (−76.5% win chance) 1-0
Kistrup, Nicolai
Hammer, Jon Ludvig
View game
2023.01.07 · 34. Kh3 (−44.4% win chance) 1/2-1/2
Aryan Tari
Jon Ludvig Hammer
View game
2023.02.03 · 36... gxf6 (−43.7% win chance) 1-0
Hammer, Jon Ludvig
Yoo, Christopher Woojin
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2025.07.08 · 39. Qd7 (−42.8% win chance) 1-0
Tari, Aryan
Hammer, Jon Ludvig
View game
View blunders & mistakes
Games Showing all 126 games
Date Event Round Color Opponent Result Accuracy % First moves