What is Mark Heimann's FIDE rating?

Mark Heimann's FIDE rating is 2481 standard, 2428 rapid, 2459 blitz. Chess Stalker tracks it together with Mark Heimann's over-the-board games and opening repertoire.

How many OTB games has Mark Heimann played?

The Chess Stalker database holds 296 over-the-board games by Mark Heimann (277 classical, 5 rapid, 14 blitz), with 47% wins. The full list, with openings and results, is on Mark Heimann's Chess Stalker profile.

How do I prepare against Mark Heimann?

Open Mark Heimann'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 Mark Heimann's style, before facing them.

Mark Heimann

United Statesborn 1993FIDE ID 2028441

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026

2300

2400

2500

Peak2520

2435 · Sep 2023

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Sep 2023Oct 2026

2481Classical

2459Blitz

2428Rapid

2520peak, Sep 2025

296games

140wins, 47%

84draws, 28%

71losses, 24%

Rated gamesInactive · rating frozenOfficial FIDE lists · drag the range below the chartPeak 2520 · Sep 2025

Play style

before facing themWhat you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 89%

Very consistent (88%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 as

(70% in 69 games)

Play against Heimann's Twin

Their real openings, level & style

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

Based on

296 games

Based on 296 games

Openings

296 gamesBased on 296 player games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

Sicilian: 2...♞c61.e4 c5 2.♞f3 ♞c610 games, last played 2 years ago60.0%wins

Deep analysis

Stockfish · Classical · 185 analyzedStockfish · Classical games · 185 analyzed

Accuracy by phase

Opening

96.6%

Middlegame

94.1%

Endgame

95.7%

Clutch factor

+3%

Winning (+2)Winning (+2)

94%92g

EqualEqual position

95%56g

Losing (−2)Losing (−2)

91%37g

Accuracy under pressure barely drops when losing.

Problematic pieces

27%

41 err

21%

32 err

20%

30 err

13%

19 err

11%

16 err

13 err

Critical moment

Move 46 avg

1-15

16-25

17%

26-35

25%

36-45

50%

46+

50% of blunders occur after move 46. Keep tension until then.of blunders occur after move 46. Keep tension until then.

Error heatmap · Critical squaresError heatmap

Few

Many

54Errors mapped

f4 / e3Hotspot zone

Critical squares

99 err

66 err

55 err

f4/e3 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors · Stockfish

#30

♜b6?? vs Nanugonda

Endgame · OTB · 2026

#56

g4?? vs Jacobson

Endgame · OTB · 2025

#52

♞h7?? vs Burke

Endgame · OTB · 2024

#39

♜f1?? vs Caruana

Endgame · OTB · 2024

#17

♞fd2?? vs Arutla

Middlegame · OTB · 2024

#20

f4?? vs Guo

Middlegame · OTB · 2024

Recent games

296 games

Moksh Amit Doshi(2372)

24th Spilimbergo Open · 14 Aug 2026

0–1

Rios Gomez, Cristhian Camilo(2406)

24th Spilimbergo Open · 13 Aug 2026

0–1

Lu, Maximillian(2427)

24th Spilimbergo Open · 12 Aug 2026

½–½

Quirhuayo Chumbe, German Gonzalo(2397)

24th Spilimbergo Open · 11 Aug 2026

1–0

Filgueiras, Nathan Felipe(2399)

24th Spilimbergo Open · 10 Aug 2026

0–1

Piccoli, Lucas Fonseca(2286)

24th Spilimbergo Open · 10 Aug 2026

1–0

Endgame statistics

110 endgames (59.5%) · force Rook vs Two Minors (22%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

59.5%

110 / 185

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 Rook vs Two Minors: only 22% win rate (9 games). Force this endgameShow all 14 types

Unlock Endgame Statistics

All their endgames: discover where they collapse under pressure

Repertoire

PROTime controls · Years · Events

296 games in scope

Explore the repertoireevery move played, ranked by frequency

148 games51%W30%D19%L

148games in this linewon 51%, drew 30%, lost 19%

Move

1. e4

695w

58%25%17

70%

1. d4

393m

46%38%16

65%

1. ♞f3

209m

50%30%20%

65%

1. c4

166w

31%38%31%

50%

1. g3

34y

67%33%

67%

1. b4

16y

100%

Scouting report: Mark Heimann (GM, USA)