Ochsner, Bjorn Moller

DEN DEN·Born 1994·FIDE #1416928·972 Games

FIDE OTB · #1416928 · 972 Games

Classical2478966 g Games

Rapid24630 g Games

Blitz24326 g Games

Play against Ochsner's Twin

PRO

Uses their openings, level & style

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

Ready to play

972 games analyzed

Statistics

Total

972

Wins

400

Draws

300

Losses

272

41%31%28%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 82%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (63% in 425 games)

Vulnerable to 1.c4 ♚ (only 39%)

Deep Analysis

Stockfish 18 · Classical games · 241 analyzed

Accuracy by phase

Opening

97.2%

Middlegame

94.0%

Endgame

95.1%

Clutch Factor

+5%

Winning (+2)Winning (+2)

95%100g

EqualEqual position

95%80g

Losing (−2)Losing (−2)

90%61g

Accuracy under pressure

Problematic Pieces — which cause most errors?

27%

55 err

16%

33 err

16%

33 err

16%

33 err

12%

24 err

12%

25 err

Critical Moment

Move 46 avg

1-15

16-25

21%

26-35

36%

36-45

36%

46+

36% of blunders after move 36-45 — keep the tension until then.of blunders occur in moves 36-45. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

b3 / d4

Critical squares

8 err

7 err

b3/d4 account for most of the errors. Force decisions in those zones.

Openings

972 GamesBased on 972 player games

Weaknesses

— exploit these— exploit these lines

aswhite42.9%Losses

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6

42 Games · last played 12 months agoPlay this line

asblack75.0%Losses

Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc6

8 Games · Low sample · last played 4 months agoPlay this line

asblack54.5%Losses

King's Indian: Classical — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5

22 Games · last played 7 years agoPlay this line

Strengths

— avoid these— avoid these lines

aswhite72.7%Wins

Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb511 Games · last played 4 months ago

11 Games · last played 4 months ago

aswhite66.7%Wins

French: Winawer — 1.e4 e6 2.d4 d5 3.Nc3 Bb412 Games · last played 2 years ago

12 Games · last played 2 years ago

asblack45.7%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d694 Games

94 Games

Critical Blunders

10 errors · Stockfish

#20b5??Tacticsvs AkhvledianiOTB · 2025

#33Rd1??Tacticsvs Bhagat KushOTB · 2025

#35Qa1+??Tacticsvs NielsenOTB · 2025

#65e7??Endgamevs HansenOTB · 2025

#29Qb6??Tacticsvs KanovOTB · 2025

#38Bc5??Tacticsvs Hillarp PerssonOTB · 2025

#33h4??Tacticsvs De VleeschauwerOTB · 2024

#17Kh8??Tacticsvs HaubroOTB · 2024

#64Qd6??Endgamevs BjerreOTB · 2024

#40Kg7??Tacticsvs BjerreOTB · 2024

Recent Games

972 Games

Olsen, Filip Boe(2454)

ch-DEN TB 2026 · 6 Apr 2026

0-1

Olsen, Filip Boe(2454)

ch-DEN TB 2026 · 6 Apr 2026

½-½

Olsen, Filip Boe(2454)

Danish Championship 2026 ... · 5 Apr 2026

1-0

Chatalbashev, Boris(2534)

ch-DEN 2026 · 4 Apr 2026

½-½

Liu, Casper(2334)

ch-DEN 2026 · 3 Apr 2026

1-0

Ramsdal, Jens Albert(2329)

ch-DEN 2026 · 2 Apr 2026

1-0

Endgame Statistics

PRO125 endgames (51.9%)

Strongest

60%

Opposite Bishops + Major Pieces

Weakest

Queen vs Fortress

Reaches Endgame

51.9%

125 / 241

B vs N Pref

50% · 0%

6 / 0

PiecesTypeWin %Games

Rook + Minor36.4%66

Rook+Bishop vs Rook+Knight22.2%27

Rook + Equal Minors12%25

Rook vs Rook38.1%21

Queen vs Pieces50%18

Rook + Bishop Pair56.2%16

Rook + Minor36.4%66

Rook+Bishop vs Rook+Knight22.2%27

Rook + Equal Minors12%25

Rook vs Rook38.1%21

Queen vs Pieces50%18

Rook + Bishop Pair56.2%16

Weakest: Queen vs Fortress 0%Show all 22 types

Unlock Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

488 Games

47%30%23%

Move	Games	%
1.e4	425	63%
1.d4	37	51%
1.Nf3	24	54%
1.c4 Strong	2	75%

MoveGamesPerformance%

1.e4

425

63%

1.d4

51%

1.Nf3

54%

1.c4Strong

75%