Hess, Robert
GMUSA·Born 1991·FIDE #2022036
2591Classical
2617Rapid
2526Blitz
Statistics
Total1,261
Wins633
Draws263
Losses365
50%21%29%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 91.5% average
Plays 2.1% better with black
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.b3 as
(76% in 179 games)
Vulnerable to 1.c4
(only 44%)
Play against Hess's Twin
Uses their openings, level & style
Practice against a bot that uses their real openings and playing style
Ready to play
1,261 games analyzed
Deep Analysis
Stockfish 18 · Classical · 31 analyzedStockfish 18 · Classical games · 31 analyzedAccuracy by phase
Opening
94.9%
Middlegame
92.1%
Endgame
93.9%
Clutch Factor
+4%Winning (+2)Winning (+2)
94%8g
EqualEqual position
93%6g
Losing (−2)Losing (−2)
90%17g
Accuracy under pressure
Problematic Pieces — which cause most errors?
27%
12 err
22%
10 err
18%
8 err
13%
6 err
11%
5 err
9%
4 err
Critical Moment
Move 53 avg0%1-15
0%16-25
0%26-35
33%36-45
67%46+
67% of blunders occur after move 46 — keep tension until then.of blunders occur after move 46 — keep tension until then.
Error Heatmap — where do errors occur?
3
3
3
FewMany
Errors mapped
22
Hotspot zone
c3 / e2
Critical squares
c3
3 err
e2
3 err
f6
3 err
a1
2 err
a3
2 err
c3/e2 concentrate most errors. Force decisions in those zones.
Openings
1,261 gamesBased on 1,261 player gamesWeaknesses
— exploit these— exploit these linesaswhite45.5%losses
Vienna Game — 1.e4 e5 2.Nc3 Nf6
11 games · last played 3 years agoPlay this line
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite66.7%wins
Nimzowitsch-Larsen — 1.b3 d5 2.Bb2 Bf515 g15 games · last played 4 years ago
aswhite66.7%wins
Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc215 g15 games · last played 6 years ago
asblack69.1%wins
Modern Defense — 1.e4 g6 2.d4 Bg768 g68 games · last played 4 years ago
asblack58.3%wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d612 g12 games · last played 4 years ago
Critical Blunders
10 errors · Stockfish#29Ba6??vs NakamuraOTB · 2022
#73Qf6+??vs HambletonOTB · 2022
#30Qa1??vs CaruanaOTB · 2022
#41Ra3??vs Martinez AlcantaraOTB · 2022
#36Qa4??vs KosteniukBlitz · 2021
#49d6??vs ShimelkovBlitz · 2021
#31Bd6??vs SelbesBlitz · 2020
#61Ra7??vs Henderson de La FuenteBlitz · 2020
#25Rxc3??vs LendermanOnline · 2019
#51Rb7+??vs PiorunOnline · 2019
Recent Games
1,261 gamesLoss
Suleymanli, Aydin(2657)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Loss
Sukandar, Irine Kharisma(2330)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Win
Rozman, Levy(2318)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Loss
Heimann, Mark(2487)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Win
Rosen, Eric(2377)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Draw
Kevlishvili, Robby(2516)
Naroditsky Mem Blitz 2026 · 4 Jul 2026
Endgame Statistics
PRO26 endgames (66.7%) · avoid Other Endgame (20%)Unlock Endgame Statistics
14 endgame categories — discover where they collapse under pressure
Repertoire
PRO
6
5
4
3
Move arrowsmost-played moves
SF18
641 games
55%19%26%
MovegamesPerf%
1.e4
31961%
1.b3Strong
17976%
1.d4
8960%
1.c4
2744%
1.g3Strong
1275%
1.Nf3
956%
1.d3Strong
2100%
1.g4Strong
1100%
1.e3Strong
1100%
1.h4Strong
1100%
1.Nc3Strong
1100%
USA