G
GM
Gulko, Boris
USA·Born 1947·FIDE #2000040·2,372 Games
USAFIDE OTB · #2000040 · 2,372 Games
Classical25422,326 g Games
Rapid250734 g Games
Blitz—12 g Games
Play against Gulko's Twin
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2372 games analyzed
Statistics
Total
2372Wins
850Draws
1139Losses
38336%48%16%
Play Style
before facing themWhat you need to know before facing themElite 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 analyzedAccuracy by phase
Opening
96.2%
Middlegame
93.6%
Endgame
94.9%
Clutch Factor
+10%Winning (+2)Winning (+2)
95%24g
EqualEqual position
95%67g
Losing (−2)Losing (−2)
85%36g
Accuracy under pressure
Problematic Pieces — which cause most errors?
26%
50 err
23%
45 err
18%
35 err
15%
29 err
12%
24 err
7%
13 err
Critical Moment
Move 35 avg7%
1-15
29%
16-25
29%
26-35
7%
36-45
29%
46+
29% of blunders after move 16-25 — keep the tension until then.of blunders occur in moves 16-25. Keep the tension until that moment.
Error Heatmap — where do errors occur?
8
10
9
8
FewMany
Errors mapped
69
Hotspot zone
d5 / e5
Critical squares
d5
10 err
e5
9 err
f3
8 err
f6
8 err
f5
7 err
d5/e5 account for most of the errors. Force decisions in those zones.
Openings
2,372 GamesBased on 2,372 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
asblack52.4%Losses
Sicilian: Open — 1.e4 c5 2.Nf3 d6 3.d4
21 Games · last played 15 years agoPlay this line
Strengths
— avoid these— avoid these linesaswhite58.3%Wins
King's Indian: Saemisch — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f324 Games · last played 50 years ago
24 Games · last played 50 years ago
aswhite57.9%Wins
English: Anglo-Indian — 1.c4 Nf6 2.Nc3 e519 Games · last played 17 years ago
19 Games · last played 17 years ago
asblack56.3%Wins
French: Advance — 1.e4 e6 2.d4 d5 3.e516 Games · last played 26 years ago
16 Games · last played 26 years ago
asblack50.0%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e614 Games · last played 14 years ago
14 Games · last played 14 years ago
Critical Blunders
10 errors · Stockfish#57Ke2??vs PolgarRapid · 2001
#22f6e5??vs TalOTB · 1949
#37Nxd3??vs SteinOTB
#40f3e3??vs KarpovOTB
#25d5c7??vs KarpovOTB
#41Bg2??vs SmyslovRapid
#59Bg4??vs PolgarOTB
#26f6g6??vs PetrosianOTB
#68d1h5??vs PetrosianOTB
#30Rf3??vs LarsenOTB
Recent Games
2,372 GamesWin
Roiz, Michael(2593)
TCh-ISR 2020 · 14 Feb 2020
Draw
Kantarji, Pinchas(2445)
TCh-ISR 2020 · 7 Feb 2020
Draw
Cmilyte, Viktorija(2514)
Snowdrops vs Old Hands Ma... · 8 Dec 2013
Win
Kashlinskaya, Alina(2422)
Snowdrops vs Old Hands Ma... · 7 Dec 2013
Draw
Ziaziulkina, Nastassia(2354)
Snowdrops vs Old Hands Ma... · 6 Dec 2013
Draw
Muzychuk, Mariya(2503)
Snowdrops vs Old Hands Ma... · 5 Dec 2013
Endgame Statistics
PRO53 endgames (39.6%)Unlock Endgame Statistics
19 endgame categories analyzed — discover where they collapse under pressure
Repertoire
8
76
5
4
3
2
1a
b
c
d
efghMove arrowsmost-played moves
Stockfish
1196 Games
43%47%10%
MoveGamesPerformance%
1.d4
61166%
1.c4
32466%
1.e4
12467%
1.Nf3
12469%
1.g3Strong
1182%
1.Nc3Strong
1100%
1.b3Strong
1100%