Scouting report: Dariusz Swiercz (GM, USA)

1,992 over-the-board games in the Chess Stalker database (1,194 classical, 367 rapid, 431 blitz): 45% wins, 34% draws, 21% losses. FIDE rating 2579 standard, 2646 rapid, 2577 blitz. 317 games analyzed with Stockfish: 94% accuracy, 0.08 blunders per game.

Opening repertoire of Dariusz Swiercz as White and Black, with results per line — free.
Weaknesses and blunder patterns, evaluated with Stockfish — free.
Recent over-the-board games and endgame statistics.
Twin Bot: a sparring bot that imitates Dariusz Swiercz's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1126881 — no account needed.

Dariusz Swiercz

TitleGrandmasterFederationUnited StatesBorn1994FIDE ID1126881

Classical2579

Rapid2646

Blitz2577

Games1,992

W · D · LWon · Drawn · Lost45 / 34 / 21

Peak2670Aug 2019

Rating history

2540

2580

2620

2660

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Oct 2023Nov 2026

Classical2579Rapid2646Blitz2577no games played

Accuracy by phase

97.0%Opening94.1%Middlegame95.7%Endgame

Clutch factor

Insufficient data

Play style

Elite accuracy: 94.0% average

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 as

(68% in 371 games)

Recent games

Rachels, Stuart(2431)

Naroditsky Memorial Rapid 2026 · 3 Jul 2026

½–½

Sindarov, Javokhir(2777)

Naroditsky Memorial Rapid 2026 · 3 Jul 2026

0–1

Rosen, Eric(2377)

Naroditsky Memorial Rapid 2026 · 3 Jul 2026

0–1

Panjwani, Raja(2389)

Naroditsky Memorial Rapid 2026 · 3 Jul 2026

½–½

Chasin, Nico(2479)

Naroditsky Memorial Rapid 2026 · 3 Jul 2026

½–½

Play against Swiercz's Twin

Their real openings, level & style

Practice against a bot that uses their real openings and playing style

Based on

1,992 games

Based on 1,992 games

Openings

1,005 games as White · scores 67.8%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

Trompowsky Attack1.d4 ♞f6 2.♝g5 d519 games, last played 4 years ago68.4%wins

Sicilian: d6 Systems1.e4 c5 2.♞f3 d683 games, last played last year59.0%wins

By family

open a family to see its lines

PROTime controls · Years · Events

1,992 games in scope

LineECOGamesLast playedWins · draws · lossesScorevs 67.8%

B22–B501721y

56%28%16

70.6%—

A00–A041451y

59%21%20%

70.0%—

A45–E111101y

59%27%14

72.7%+5.0 pts

C60–C701054m

44%38%18

62.4%−5.4 pts

A10–A30564m

57%34%9

74.1%+6.3 pts

D30–D37482y

54%25%21%

66.7%—

D10–D45453y

41%45%14

62.2%−5.5 pts

A40–D03433y

49%30%21%

64.0%−3.8 pts

Mistakes

Problematic pieces

Insufficient data

Critical moment

Insufficient data

Error heatmap · Critical squaresError heatmap

Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

Couldn't load this.

Endgame statistics

250 endgames (66.5%) · force Bishop Pair Advantage (0%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

66.5%

250 / 376

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in Bishop Pair Advantage: only 0% win rate (5 games). Force this endgameShow all 14 types

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Repertoire

PROTime controls · Years · Events

1,992 games in scope

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Explore the repertoireevery move played, ranked by frequency

1,005 games52%W31%D17%L

1,005games in this linewon 52%, drew 31%, lost 17%

Move

1. e4

4324m

50%33%17

66%

1. d4

3721y

51%33%16

68%

1. ♞f3

1401y

58%22%20%

69%

1. c4

564m

57%34%9

74%

1. b3

24y

100%

100%

1. g3

26y

100%

100%

1. e3

14y

100%

100%

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