Mons, Leon

GER GER·Born 1995·FIDE #4614950·809 Games

Classical2482792 Games

Rapid251017 Games

Blitz25050 Games

Statistics

809

Total

314

Wins

326

Draws

169

Losses

39%40%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.9% average

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (74% in 19 games)

Deep Analysis

Stockfish 18 · Classical games · 155 analyzed

Accuracy by phase

Opening96.7%

Middlegame94.5%

Endgame95.3%

Clutch Factor

Performance under pressure

+6%

Winning (+2 or more)95%

52 Games

Equal position95%

68 Games

Losing (-2 or more)89%

35 Games

Problematic Pieces

Which pieces cause most errors?

♙

21%

21 errors

♞

20%

20 errors

♕

16%

16 errors

♖

16%

16 errors

♗

15%

15 errors

♔

14%

14 errors

Critical Moment

When does the first serious error occur?

Move 51average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e58 err

g76 err

c55 err

c65 err

f55 err

e5/g7 concentrate most errors. Force decisions in those zones.

Recent Games

Postny, Evgeny2546

Austrian Bundesliga 2025-... · 14 Dec 2025

½-½

Kozul, Zdenko2500

Austrian Bundesliga 2025-... · 13 Dec 2025

½-½

Idani, Pouya2611

Austrian Bundesliga 2025-... · 12 Dec 2025

1-0

Harshavardhan G B2477

Austrian Bundesliga 2025-... · 11 Dec 2025

½-½

Nisipeanu, Liviu-Dieter2582

Austrian Bundesliga 2025-... · 10 Dec 2025

½-½

Kozul, Zdenko2500

Round 4: Mons, Leon - Koz... · 2 Dec 2025

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Nimzo-Indian

50.0%

8 GamesLow sample·Loses

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4

Italian: Giuoco Piano

44.4%

9 GamesLow sample·Loses

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Sicilian: e6 Systems

57.1%

21 Games·Wins

1.e4 c5 2.Nf3 e6

Black

Sicilian: 2...Nc6

60.0%

10 Games·Wins

1.e4 c5 2.Nf3 Nc6

Nimzo-Indian

53.8%

13 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#18fxg2??

Tactics

vs Horvath

OTB·2025

▶

#33g3??

Tactics

vs Vachier-Lagrave

OTB·2025

▶

#16Nxd3??

Tactics

vs Marcelin

OTB·2024

▶

#21Kh3??

Tactics

vs Muckle

Rapid·2023

▶

#35e5??

Tactics

vs Michalik

OTB·2023

▶

#29Bxd7??

Tactics

vs Shengelia

OTB·2023

▶

#34c6??

Tactics

vs Schroeder

OTB·2021

▶

#57Kb5??

Endgame

vs Schroeder

OTB·2021

▶

#40Bg4??

Tactics

vs Schroeder

OTB·2021

▶

#127Ka6??

Endgame

vs Schroeder

OTB·2021

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2025

2024

2023

2022

2021

2020

PRO

Starting Position

386 Games

42%39%19%

Move	Games	%
1.e4	204	61%
1.Nf3	89	66%
1.d4	60	55%
1.c4 Strong	19	74%
1.b3	6	42%
1.g3 Strong	3	83%
1.f4 Strong	2	100%
1.a3	2	50%
1.e3	1	50%

1.e4

61%

204

1.Nf3

66%

1.d4

55%

1.c4

74%

1.b3

42%

1.g3

83%

1.f4

100%

1.a3

50%

1.e3

50%

Mons, Leon

Play against Mons, Leon's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Nimzo-Indian

Italian: Giuoco Piano

Strengths

Sicilian: e6 Systems

Sicilian: 2...Nc6

Nimzo-Indian

Critical Blunders