What is Jon Ludvig Hammer's FIDE rating?

Jon Ludvig Hammer's FIDE rating is 2573 standard, 2637 rapid, 2540 blitz. Chess Stalker tracks it together with Jon Ludvig Hammer's over-the-board games and opening repertoire.

How many OTB games has Jon Ludvig Hammer played?

The Chess Stalker database holds 1,845 over-the-board games by Jon Ludvig Hammer (1,700 classical, 52 rapid, 93 blitz), with 46% wins. The full list, with openings and results, is on Jon Ludvig Hammer's Chess Stalker profile.

How do I prepare against Jon Ludvig Hammer?

Open Jon Ludvig Hammer's free Chess Stalker report: opening repertoire with results per line as White and Black, recurring weaknesses and blunder patterns evaluated with Stockfish, and recent games. Then rehearse against the Twin Bot, which imitates Jon Ludvig Hammer's style, before facing them.

Jon Ludvig Hammer

Norwayborn 1990FIDE ID 1503707

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026

2520

2560

2600

2640

2680

2612 · Sep 2023

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Sep 2023Oct 2026

2637Rapid

2573Classical

2540Blitz

2705peak, Feb 2016

1,845games

852wins, 46%

634draws, 34%

359losses, 19%

Rated gamesInactive · rating frozenOfficial FIDE lists · drag the range below the chartPeak 2705 · Feb 2016

Play style

before facing themWhat you need to know before facing them

Elite accuracy: 94.0% average

Solid conversion: 91%

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.d4 as

(69% in 334 games)

Play against Hammer's Twin

Their real openings, level & style

Practice against a bot that uses their real openings and playing style

Based on

1,845 games

Based on 1,845 games

Openings

1,845 gamesBased on 1,845 player games

Weaknesses

where they slip as ♔ White

Sicilian: Najdorf1.e4 c5 2.♞f3 d6 3.d4 cxd4 4.♞xd4 ♞f6 5.♞c3 a621 games, last played 2 years ago42.9%losses

Strengths

what holds up for them as ♔ White

Caro-Kann: Advance1.e4 c6 2.d4 d5 3.e513 games, last played 8 months ago69.2%wins

Slav: Semi-Slav1.d4 d5 2.c4 c6 3.♞f3 ♞f6 4.♞c318 games, last played 5 years ago66.7%wins

Deep analysis

Stockfish · Classical · 313 analyzedStockfish · Classical games · 313 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

93.9%

Endgame

95.6%

Clutch factor

+6%

Winning (+2)Winning (+2)

95%125g

EqualEqual position

96%114g

Losing (−2)Losing (−2)

89%74g

Accuracy under pressure barely drops when losing.

Problematic pieces

28%

55 err

19%

37 err

14%

28 err

14%

28 err

13%

25 err

13%

26 err

Critical moment

Move 43 avg

1-15

16-25

23%

26-35

46%

36-45

31%

46+

46% of blunders occur after move 36-45. Keep tension until then.of blunders occur after move 36-45. Keep tension until then.

Error heatmap · Critical squaresError heatmap

Few

Many

67Errors mapped

f5 / c1Hotspot zone

Critical squares

1111 err

88 err

77 err

66 err

f5/c1 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors · Stockfish

#30

♛e6?? vs Makkar

Middlegame · OTB · 2026

#70

♝b2?? vs Goh

Endgame · OTB · 2026

#30

♛e3?? vs Hillarp Persson

Endgame · OTB · 2025

#48

♚f3?? vs Carlsson

Endgame · OTB · 2025

#55

♞c8?? vs Muradli

Endgame · OTB · 2025

#46

♜b4+?? vs Amar

Endgame · OTB · 2025

Recent games

1,845 games

Kvaloy, Aksel Bu(2483)

Norwegian Championship 2026 · 11 Jul 2026

½–½

Haug, Havard(2432)

Norwegian Championship 2026 · 10 Jul 2026

½–½

Amar, Elham(2581)

Norwegian Championship 2026 · 9 Jul 2026

0–1

Urkedal, Frode Olav Olsen(2567)

Norwegian Championship 2026 · 8 Jul 2026

1–0

Ingebretsen, Jens E(2433)

Norwegian Championship 2026 · 7 Jul 2026

1–0

Lie, Kjetil A.(2459)

Norwegian Championship 2026 · 6 Jul 2026

½–½

Endgame statistics

221 endgames (58.5%) · force Double Rook (20%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

58.5%

221 / 378

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in Double Rook: only 20% win rate (15 games). Force this endgameShow all 14 types

Unlock Endgame Statistics

All their endgames: discover where they collapse under pressure

Repertoire

PROTime controls · Years · Events

1,845 games in scope

Explore the repertoireevery move played, ranked by frequency

939 games53%W31%D16%L

939games in this linewon 53%, drew 31%, lost 16%

Move

1. e4

3916m

53%27%20%

67%

1. d4

3342m

52%35%13

69%

1. ♞f3

1092m

54%31%15

70%

1. c4

943m

49%40%11

69%

1. g3

116y

55%936%

59%

Scouting report: Jon Ludvig Hammer (GM, NOR)

Jon Ludvig Hammer

Rating & statistics

Play style

Play against Hammer's Twin

Openings

Weaknesses

Strengths

Deep analysis

Critical blunders

Recent games

Endgame statistics

Repertoire