Mestel, A Jonathan

ENG ENG·Born 1957·FIDE #400122·1,140 Games

Classical24171,132 Games

Rapid—8 Games

Blitz—0 Games

Statistics

1140

Total

490

Wins

357

Draws

293

Losses

43%31%26%

Play Style

What you need to know before facing them

Elite accuracy: 92.4% average

Plays 3.0% better with white

Low resilience (31%): Doesn't save lost positions

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.g3 ♔ (69% in 16 games)

Deep Analysis

Stockfish 18 · Classical games · 54 analyzed

Accuracy by phase

Opening95.6%

Middlegame92.9%

Endgame95.9%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)95%

16 Games

Equal position93%

17 Games

Losing (-2 or more)90%

21 Games

Problematic Pieces

Which pieces cause most errors?

♕

24%

19 errors

♗

19%

15 errors

♞

19%

15 errors

♙

16%

13 errors

♖

13%

10 errors

♔

7 errors

Critical Moment

When does the first serious error occur?

Move 33average

1-15

16-25

26-35

36-45

46+

67% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

g66 err

d44 err

d74 err

e54 err

e84 err

g6/d4 concentrate most errors. Force decisions in those zones.

Recent Games

Arnason, Jon L2407

World Senior Teams +65 · 28 Apr 2026

½-½

Kyas, Juergen2137

World Senior Teams +65 · 27 Apr 2026

½-½

Nevanlinna, Risto2189

World Senior Teams +65 · 26 Apr 2026

½-½

Kalinitschew, Sergey2374

World Senior Teams +65 · 25 Apr 2026

½-½

Kiefer, Gerhard2195

World Senior Teams +65 · 22 Apr 2026

½-½

Gazik, Igor2224

World Senior Teams +65 · 21 Apr 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Sicilian: Classical

45.5%

11 Games·Loses

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

Black

King's Indian: Main Line

60.0%

10 Games·Loses

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

Sicilian: Alapin

55.6%

9 GamesLow sample·Loses

1.e4 c5 2.c3 e6

Strengths

AVOID

White

No consistent strengths detected as White

Black

Sicilian: d6 Systems

48.9%

141 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#34Qxf6??

Tactics

vs Pein

OTB·2025

▶

#28Qe7??

Tactics

vs Larkin

OTB·2024

▶

#37Bc3??

Tactics

vs Cumming

OTB·2022

▶

#23Qd7??

Tactics

vs Smyslov

OTB·1973

▶

#48Rf8??

Endgame

vs Korchnoi

OTB

▶

#20Nd4??

Tactics

vs Korchnoi

OTB

▶

#30hxg6??

Tactics

vs Korchnoi

OTB

▶

#29Bd4??

Tactics

vs Larsen

OTB

▶

#35Nf5+??

Tactics

vs Polgar

Rapid

▶

#23Qd7??

Tactics

vs Smyslov

OTB

Endgame Statistics

16 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2012

PRO

Starting Position

562 Games

46%34%20%

Move	Games	%
1.e4	386	62%
1.c4	112	67%
1.Nf3	29	62%
1.d4	18	56%
1.g3	16	69%
1.Nc3	1	50%

1.e4

62%

386

1.c4

67%

112

1.Nf3

62%

1.d4

56%

1.g3

69%

1.Nc3

50%

Mestel, A Jonathan

Play against Mestel, A Jonathan's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Sicilian: Classical

King's Indian: Main Line

Sicilian: Alapin

Strengths

Sicilian: d6 Systems

Critical Blunders