S
GM
Swiercz, Dariusz
USA·Born 1994·FIDE #1126881·2,046 Games
FIDE OTB · #1126881 · 2,046 Games
Classical25791,750 g Games
Rapid2646203 g Games
Blitz257793 g Games
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2046 games analyzed
Statistics
Total
2046Wins
929Draws
689Losses
42245%34%21%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 94.2% average
Low resilience (33%): Doesn't save lost positions
Very consistent (94%)
Very precise: only 0.3 blunders/game
Dominates 1.c4 ♔ (73% in 59 games)
Deep Analysis
Stockfish 18 · Classical games · 30 analyzedAccuracy by phase
Opening
97.8%
Middlegame
93.7%
Endgame
93.5%
Clutch Factor
+2%Winning (+2)Winning (+2)
95%11g
EqualEqual position
96%7g
Losing (−2)Losing (−2)
93%12g
Accuracy under pressure
Problematic Pieces — which cause most errors?
31%
14 err
22%
10 err
18%
8 err
13%
6 err
9%
4 err
7%
3 err
Critical Moment
Move 58 avg0%
1-15
0%
16-25
0%
26-35
0%
36-45
100%
46+
100% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.
Error Heatmap — where do errors occur?
4
4
FewMany
Errors mapped
26
Hotspot zone
f5 / g7
Critical squares
f5
4 err
g7
4 err
e4
3 err
e6
3 err
d3
2 err
f5/g7 account for most of the errors. Force decisions in those zones.
Openings
2,046 GamesBased on 2,046 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite59.5%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d684 Games · last played 9 months ago
84 Games · last played 9 months ago
aswhite63.6%Wins
French: Winawer — 1.e4 e6 2.d4 d5 3.Nc3 Bb411 Games · last played 3 years ago
11 Games · last played 3 years ago
asblack68.2%Wins
Nimzo-Indian: Rubinstein — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e322 Games · last played 2 years ago
22 Games · last played 2 years ago
asblack63.6%Wins
Caro-Kann: Main Line — 1.e4 c6 2.d4 d5 3.Nc3 dxe411 Games · last played 3 years ago
11 Games · last played 3 years ago
Critical Blunders
5 errors · Stockfish#70Kd2??vs NakamuraOTB · 2023
#48g4??vs FirouzjaOTB · 2023
#71Nh8??vs NakamuraOTB · 2023
#54Rxf4??vs CaruanaOTB · 2022
#51Kf5??vs NakamuraOTB · 2022
Recent Games
2,046 GamesWin
Perrine, Dalton(2190)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Draw
Rachels, Stuart(2431)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Draw
Chasin, Nico(2479)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Loss
Sindarov, Javokhir(2777)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Win
Rosen, Eric(2377)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Win
Troff, Kayden(2482)
Naroditsky Mem Rapid 2026 · 3 Jul 2026
Endgame Statistics
PRO21 endgames (70%)Unlock Endgame Statistics
18 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
1038 Games
52%32%16%
MoveGamesPerformance%
1.e4
45466%
1.d4
38067%
1.Nf3
14069%
1.c4Strong
5973%
1.g3Strong
2100%
1.b3Strong
2100%
1.e3Strong
1100%
USA