Scouting report: Semyon Lomasov (GM, ISR)

726 over-the-board games in the Chess Stalker database (591 classical, 79 rapid, 56 blitz): 41% wins, 37% draws, 22% losses. FIDE rating 2551 standard, 2550 rapid, 2485 blitz. 188 games analyzed with Stockfish: 94% accuracy, 0.06 blunders per game.

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

Full report: https://chessstalker.com/fide/24164879 — no account needed.

Chess Stalker

Semyon Lomasov

TitleGrandmasterFederationIsraelBorn2002FIDE ID24164879

Classical2551
Rapid2550
Blitz2485
Games726
W · D · L41 / 37 / 22
Peak2565

Rating history

2420
2460
2500
2540
Peak2565
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2551Rapid2550Blitz2485no games played
Accuracy by phase
96.8%Opening93.3%Middlegame95.2%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 93.6% average
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (66% in 319 games)
Vulnerable to 1.c4 ♚ (only 38%)

Recent games

Ai, Evan(2170)

Cornerstone New Year's Classic S... · 2 Jan 2026

0–1
Macovei, Andrei(2481)

2025 Pan-Am Collegiate Champions... · 5 Jan 2025

½–½
Liang, Awonder(2687)

2025 Pan-Am Collegiate Champions... · 4 Jan 2025

0–1
De Silva, L M S T(2370)

2025 Pan-Am Collegiate Champions... · 4 Jan 2025

½–½
Lin, Dachey(2303)

2025 Pan-Am Collegiate Champions... · 3 Jan 2025

1–0

Play against Lomasov's Twin

Their real openings, level & style

Based on 726 games

Openings

369 games as White · scores 65.9%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
French: Classical1.e4 e6 2.d4 d5 3.♞c3 ♞f614 games, last played 2 years ago64.3%wins
Sicilian: e6 Systems1.e4 c5 2.♞f3 e631 games, last played 2 years ago61.3%wins

By family

open a family to see its lines
PRO
726 games in scope
LineGamesScorevs 65.9%
12371.5%+5.7 pts
4453.4%−12.4 pts
4468.2%—
3458.8%−7.0 pts
2564.0%—
2169.0%+3.2 pts
1858.3%—
1471.4%—

Mistakes

Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squares
Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

Couldn't load this.

Endgame statistics

Repertoire

PRO
726 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
369 games49%W34%D17%L
Move
1. e4
3199m
48%34%18
66%
1. d4
435y
58%26%16
71%
1. ♞f3
57y
2040%40%
40%
1. b3
112y
100%
100%
1. c4
17y
100%
50%

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