Gulko, Boris

USA USA·Born 1947·FIDE #2000040·2,372 Games

Classical25422,326 Games

Rapid250734 Games

Blitz—12 Games

Statistics

2372

Total

850

Wins

1139

Draws

383

Losses

36%48%16%

Play Style

What you need to know before facing them

Elite accuracy: 91.8% average

Low resilience (32%): Doesn't save lost positions

Very precise: only 0.1 blunders/game

Dominates 1.g3 ♔ (82% in 11 games)

Deep Analysis

Stockfish 18 · Classical games · 127 analyzed

Accuracy by phase

Opening96.2%

Middlegame93.6%

Endgame94.9%

Clutch Factor

Performance under pressure

+10%

Winning (+2 or more)95%

24 Games

Equal position95%

67 Games

Losing (-2 or more)85%

36 Games

Problematic Pieces

Which pieces cause most errors?

♕

26%

50 errors

♙

23%

45 errors

♞

18%

35 errors

♖

15%

29 errors

♗

12%

24 errors

♔

13 errors

Critical Moment

When does the first serious error occur?

Move 35average

1-15

16-25

26-35

36-45

46+

29% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

d510 err

e59 err

f38 err

f68 err

f57 err

d5/e5 concentrate most errors. Force decisions in those zones.

Recent Games

Roiz, Michael2593

TCh-ISR 2020 · 14 Feb 2020

1-0

Kantarji, Pinchas2445

TCh-ISR 2020 · 7 Feb 2020

½-½

Cmilyte, Viktorija2514

Snowdrops vs Old Hands Ma... · 8 Dec 2013

½-½

Kashlinskaya, Alina2422

Snowdrops vs Old Hands Ma... · 7 Dec 2013

1-0

Ziaziulkina, Nastassia2354

Snowdrops vs Old Hands Ma... · 6 Dec 2013

½-½

Muzychuk, Mariya2503

Snowdrops vs Old Hands Ma... · 5 Dec 2013

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

Sicilian: Open

52.4%

21 Games·Loses

1.e4 c5 2.Nf3 d6 3.d4

Strengths

AVOID

White

King's Indian: Saemisch

58.3%

24 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

English: Anglo-Indian

57.9%

19 Games·Wins

1.c4 Nf6 2.Nc3 e5

Black

French: Advance

56.3%

16 Games·Wins

1.e4 e6 2.d4 d5 3.e5

Sicilian: e6 Systems

50.0%

14 Games·Wins

1.e4 c5 2.Nf3 e6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#57Ke2??

Endgame

vs Polgar

Rapid·2001

▶

#22f6e5??

Endgame

vs Tal

OTB·1949

▶

#68d1h5??

Endgame

vs Petrosian

OTB

▶

#30Rf3??

Tactics

vs Larsen

OTB

▶

#52a8f3??

Endgame

vs Karpov

OTB

▶

#37Nxd3??

Tactics

vs Stein

OTB

▶

#31c2c3??

Endgame

vs Petrosian

OTB

▶

#40f3e3??

Endgame

vs Karpov

OTB

▶

#52Qd5??

Endgame

vs Bronstein

OTB

▶

#26f6g6??

Endgame

vs Petrosian

OTB

Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2020

2013

2012

2011

2010

2009

PRO

Starting Position

1196 Games

43%47%10%

Move	Games	%
1.d4	611	66%
1.c4	324	66%
1.e4	124	67%
1.Nf3	124	69%
1.g3 Strong	11	82%
1.Nc3 Strong	1	100%
1.b3 Strong	1	100%

1.d4

66%

611

1.c4

66%

324

1.e4

67%

124

1.Nf3

69%

124

1.g3

82%

1.Nc3

100%

1.b3

100%

Gulko, Boris

Play against Gulko, Boris's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Sicilian: Open

Strengths

King's Indian: Saemisch

English: Anglo-Indian

French: Advance

Sicilian: e6 Systems

Critical Blunders