IM

Bartholomew, John

USA USA·Born 1986·FIDE #2019353·829 Games

Classical2446823 Games

Rapid24430 Games

Blitz24166 Games

Statistics

829

Total

357

Wins

249

Draws

223

Losses

43%30%27%

Play Style

What you need to know before facing them

Very high accuracy: 89.3% average

Very consistent (86%)

Very precise: only 0.3 blunders/game

Dominates 1.d4 ♔ (64% in 218 games)

Deep Analysis

Stockfish 18 · Classical games · 84 analyzed

Accuracy by phase

Opening96.1%

Middlegame91.5%

Endgame93.1%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)90%

48 Games

Equal position91%

14 Games

Losing (-2 or more)87%

22 Games

Problematic Pieces

Which pieces cause most errors?

♖

22%

33 errors

♗

20%

30 errors

♙

18%

27 errors

♞

17%

26 errors

♔

15%

23 errors

♕

9%

14 errors

Critical Moment

When does the first serious error occur?

Move 37average

1-15

16-25

26-35

36-45

46+

39% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

7

4

5

5

8

5

6

7

5

5

abcdefgh

Many

Few

Critical squares

e58 err

d77 err

e47 err

c46 err

b35 err

e5/d7 concentrate most errors. Force decisions in those zones.

Recent Games

W

Navrodskiy, Boris2135

Titled Tue 10th Mar 2026 · 10 Mar 2026

1-0

W

Mattenberger, Matthias2293

Titled Tue 10th Mar 2026 · 10 Mar 2026

0-1

W

Pranav,V2641

Titled Tue 10th Mar 2026 · 10 Mar 2026

0-1

L

Sjugirov, Sanan2599

Titled Tue 10th Mar 2026 · 10 Mar 2026

1-0

W

Gulkov, Igor A.2358

Titled Tue 10th Mar 2026 · 10 Mar 2026

0-1

W

Gaal, Zsoka2373

Titled Tue 10th Mar 2026 · 10 Mar 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Queen's Gambit Declined

66.7%

12 Games·Wins

1.d4 d5 2.c4 e6

Grünfeld

63.2%

19 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 d5

Black

Sicilian: e6 Systems

60.0%

15 Games·Wins

1.e4 c5 2.Nf3 e6

Sicilian: d6 Systems

45.5%

22 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#24Bf5??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#33Ne5??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#41Be5??

Endgame

vs Kashlinskaya

Blitz·2020

▶

#15Qh4??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#29Kg7??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#20b4??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#39Rxd7??

Tactics

vs Kashlinskaya

Blitz·2020

▶

#44Kh1??

Endgame

vs Shahade

Blitz·2020

▶

#32Rxg4??

Endgame

vs Shahade

Blitz·2020

▶

#33Ke3??

Tactics

vs Shahade

Blitz·2020

Endgame Statistics

20 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2026

2024

2022

2020

2019

2018

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

411 Games

44%32%24%

Move	Games	Performance	%
1.d4	218		64%
1.Nf3	107		58%
1.e4	66		56%
1.c4	19		58%
1.b3 Weak	1		0%

1.d4

64%

218

1.Nf3

58%

107

1.e4

56%

66

1.c4

58%

19

1.b3

0%

1

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