Koelle, Tobias

GER GER·Born 2004·FIDE #16207378·1,285 Games

FIDE OTB · #16207378 · 1,285 Games

Classical25041,155 g Games

Rapid243552 g Games

Blitz261098 g Games

Play against Koelle's Twin

PRO

Uses their openings, level & style

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

Ready to play

1285 games analyzed

Statistics

Total

1285

Wins

569

Draws

357

Losses

357

44%28%28%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 94.2% average

Solid conversion: 84%

Very consistent (92%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (62% in 77 games)

Deep Analysis

Stockfish 18 · Classical games · 434 analyzed

Accuracy by phase

Opening

96.9%

Middlegame

93.7%

Endgame

95.2%

Clutch Factor

+4%

Winning (+2)Winning (+2)

95%138g

EqualEqual position

95%195g

Losing (−2)Losing (−2)

91%101g

Accuracy under pressure

Problematic Pieces — which cause most errors?

24%

75 err

20%

65 err

17%

55 err

16%

51 err

12%

38 err

11%

35 err

Critical Moment

Move 43 avg

1-15

25%

16-25

12%

26-35

12%

36-45

50%

46+

50% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

102

Hotspot zone

e4 / e7

Critical squares

15 err

12 err

11 err

10 err

e4/e7 account for most of the errors. Force decisions in those zones.

Openings

1,285 GamesBased on 1,285 player games

Weaknesses

— exploit these— exploit these lines

aswhite62.5%Losses

Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g6

8 Games · Low sample · last played 3 years agoPlay this line

aswhite44.4%Losses

Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

9 Games · Low sample · last played 4 years agoPlay this line

asblack60.0%Losses

King's Indian — 1.d4 Nf6 2.c4 g6

20 Games · last played 5 months agoPlay this line

Strengths

— avoid these— avoid these lines

No consistent strengths detected as white

asblack47.4%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d678 Games · last played 5 months ago

78 Games · last played 5 months ago

asblack50.0%Wins

English vs 1...e5 — 1.c4 e5 2.Nc3 Bb410 Games · last played 5 months ago

10 Games · last played 5 months ago

Critical Blunders

10 errors · Stockfish

#62Nf6??Endgamevs OroOTB · 2026

#26Qd2??Tacticsvs DudaOTB · 2026

#21a5??Tacticsvs HenningBlitz · 2025

#53e4??Endgamevs CamporaOTB · 2025

#46b2??Endgamevs RodshteinRapid · 2025

#20g5??Tacticsvs JovanovicBlitz · 2025

#41Qd3??Endgamevs LagnoBlitz · 2025

#47Nf5??Endgamevs MaghsoodlooBlitz · 2025

#52Kf3??Endgamevs KrastevBlitz · 2025

#55Kh3??Endgamevs PaichadzeBlitz · 2024

Recent Games

1,285 Games

Draw

Travadon, Loic(2508)

11th Marina Viva Open · 3 Jul 2026

½-½

Draw

Brodowski, Piotr(2456)

11th Marina Viva Open · 2 Jul 2026

½-½

Win

Kjartansson, Gudmundur(2395)

11th Marina Viva Open · 1 Jul 2026

1-0

Draw

Sumets, Andrey(2513)

11th Marina Viva Open · 30 Jun 2026

½-½

Win

Thorfinnsson, Bjorn(2343)

11th Marina Viva Open · 30 Jun 2026

1-0

Draw

Maltezeanu, Stefan(2199)

11th Marina Viva Open · 29 Jun 2026

½-½

Endgame Statistics

PRO299 endgames (54.7%)

Strongest

Weakest

Same-Color Bishops

Reaches Endgame

54.7%

299 / 547

B vs N Pref

20% · 33.3%

5 / 6

PiecesTypeWin %Games

Rook + Minor

35.1%148

Rook + Equal Minors

31.9%69

Rook vs Rook

21.5%65

Rook+Bishop vs Rook+Knight

33.3%60

Queen vs Pieces

34.5%55

Rook vs Minor (Exchange)

23.4%47

Rook + Minor35.1%148

Rook + Equal Minors31.9%69

Rook vs Rook21.5%65

Rook+Bishop vs Rook+Knight33.3%60

Queen vs Pieces34.5%55

Rook vs Minor (Exchange)23.4%47

Weakest: Same-Color Bishops 0%Show all 23 types

Unlock Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

640 Games

47%28%25%

Move	Games	%
1.d4	491	60%
1.Nf3	77	62%
1.e4	42	56%
1.c4Strong	8	94%
1.a3Strong	8	75%
1.Nc3	3	67%
1.Nh3	3	67%
1.b4	3	67%
1.Na3Weak	1	0%
1.f4Strong	1	100%
1.a4Strong	1	100%
1.c3Strong	1	100%
1.b3Strong	1	100%

MoveGamesPerformance%

1.d4

491

60%

1.Nf3

62%

1.e4

56%

1.c4Strong

94%

1.a3Strong

75%

1.Nc3

67%

1.Nh3

67%

1.b4

67%

1.Na3Weak

1.f4Strong

100%

1.a4Strong

100%

1.c3Strong

100%

1.b3Strong

100%