Scouting report: Konstantin Maslak (GM, RUS)

692 over-the-board games in the Chess Stalker database (619 classical, 34 rapid, 39 blitz): 43% wins, 34% draws, 24% losses. FIDE rating 2555 standard, 2478 rapid, 2520 blitz. 3 games analyzed with Stockfish: 95% accuracy, 0 blunders per game.

  • Opening repertoire of Konstantin Maslak 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 Konstantin Maslak's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/4130901 — no account needed.

Konstantin Maslak

GM

Russiaborn 1984FIDE ID 4130901

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2460
2500
2540
2580
2555 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2555
2520
2478
2571peak, Jan 2010
692games
296wins, 43%
233draws, 34%
163losses, 24%

Play style

before facing them
Elite accuracy: 95.2% average
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 as ♔ (65% in 270 games)

Play against Maslak's Twin

Their real openings, level & style

Based on 692 games

Openings

692 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Scandinavian Defense1.e4 d5 2.exd5 xd510 games, last played 13 years ago80.0%wins
Pirc Defense1.e4 d6 2.d4 f611 games, last played 8 years ago72.7%wins

Deep analysis

Stockfish · Classical · 3 analyzed
Accuracy by phase
Opening
93.8%
Middlegame
94.9%
Endgame
100.0%
Clutch factor
+8%
Winning (+2)
93%
Equal
98%
Losing (−2)
85%
Problematic pieces
33%
1 err
33%
1 err
33%
1 err
0%
0 err
0%
0 err
0%
0 err
Critical moment
Move 30 avg
0%
1-15
0%
16-25
0%
26-35
0%
36-45
0%
46+
Error heatmap · Critical squares
1
1
1
Few
Many
d4
1
e8
1
f4
1
d4/e8 concentrate most errors. Force decisions in those zones.

Critical blunders

Tactical errors analyzed with Stockfish
No blunders recorded

Recent games

Oparin, Grigoriy(2613)

World Blitz 2018 · 30 Dec 2018

0–1
Ragger, Markus(2687)

World Blitz 2018 · 30 Dec 2018

1–0
Savchenko, Boris(2562)

World Blitz 2018 · 30 Dec 2018

0–1
Dzhumagaliev, Yan(2410)

World Blitz 2018 · 30 Dec 2018

1–0
Nikolov, Nikolay Petrov(2593)

World Blitz 2018 · 30 Dec 2018

0–1
Zvjaginsev, Vadim(2642)

World Blitz 2018 · 30 Dec 2018

1–0

Repertoire

PRO
692 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
344 games51%W28%D21%L
Move
1. e4
2708y
53%2324
65%
1. d4
5115y
41%47%
65%
1. c4
209y
50%40%
70%
1. f3
317y
67%33%
83%

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