Willow, Jonah B

ENG ENG·Born 2002·FIDE #438804·1,758 Games

Classical24501,608 Games

Rapid227159 Games

Blitz236891 Games

Statistics

1758

Total

781

Wins

515

Draws

462

Losses

44%29%26%

Play Style

What you need to know before facing them

Elite accuracy: 93.1% average

High resilience (57%): Dangerous even when losing

Solid conversion: 87%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.Nc3 ♔ (89% in 14 games)

Vulnerable to 1.c4 ♚ (only 47%)

Deep Analysis

Stockfish 18 · Classical games · 738 analyzed

Accuracy by phase

Opening96.5%

Middlegame92.8%

Endgame95.2%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)94%

211 Games

Equal position94%

181 Games

Losing (-2 or more)90%

108 Games

Problematic Pieces

Which pieces cause most errors?

♖

23%

107 errors

♞

18%

86 errors

♙

18%

85 errors

♕

18%

85 errors

♗

13%

62 errors

♔

10%

46 errors

Critical Moment

When does the first serious error occur?

Move 37average

1-15

16-25

26-35

36-45

46+

36% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

f318 err

d216 err

e516 err

f416 err

h615 err

f3/d2 concentrate most errors. Force decisions in those zones.

Recent Games

Camacho Collados, Jose2356

4NCL 2025-26 · 4 May 2026

1-0

Moreby, James2340

4NCL 2025-26 · 3 May 2026

1-0

Brett, Andrew R2024

4NCL 2025-26 · 2 May 2026

0-1

Socko, Bartosz2584

26th ch-EUR Indiv 2026 · 19 Apr 2026

½-½

Balaji, Aaravamudhan2301

26th ch-EUR Indiv 2026 · 18 Apr 2026

1-0

Dovgaliuk, Oleksandr2309

26th ch-EUR Indiv 2026 · 16 Apr 2026

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

French: Classical

62.5%

8 GamesLow sample·Loses

1.e4 e6 2.d4 d5 3.Nc3 Nf6

Queen's Gambit Accepted

53.3%

15 Games·Loses

1.d4 d5 2.c4 dxc4

Strengths

AVOID

White

French: Winawer

71.4%

14 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Bb4

Sicilian: Taimanov

57.7%

26 Games·Wins

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

Black

English: Symmetrical

61.5%

13 Games·Wins

1.c4 c5 2.g3 Nc6

Nimzo-Indian: Classical

60.0%

10 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#56Rxf4??

Endgame

vs Kaasen

OTB·2026

▶

#33Qh4??

Tactics

vs Sardana

OTB·2026

▶

#58Rxh5+??

Endgame

vs Matyassy

OTB·2025

▶

#65Kh3??

Endgame

vs Aizenberg

Rapid·2025

▶

#40f5??

Tactics

vs Ghasi

Rapid·2025

▶

#85Qd7??

Endgame

vs Aizenberg

OTB·2025

▶

#46Be3??

Endgame

vs Dupuis

OTB·2025

▶

#38Rf1??

Tactics

vs Pidluznij

OTB·2025

▶

#63Kg1??

Endgame

vs Fava

OTB·2025

▶

#32Qf6??

Tactics

vs Goh

OTB·2025

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

878 Games

48%29%23%

Move	Games	%
1.e4	764	62%
1.c4	53	68%
1.Nf3	41	66%
1.Nc3 Strong	14	89%
1.d4 Weak	4	0%
1.e3 Weak	1	0%
1.b3 Weak	1	0%

1.e4

62%

764

1.c4

68%

1.Nf3

66%

1.Nc3

89%

1.d4

1.e3

1.b3

Willow, Jonah B

Play against Willow, Jonah B's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

French: Classical

Queen's Gambit Accepted

Strengths

French: Winawer

Sicilian: Taimanov

English: Symmetrical

Nimzo-Indian: Classical

Critical Blunders