Scouting report: Sergei Tiviakov (GM, NED)

3,495 over-the-board games in the Chess Stalker database (3,379 classical, 94 rapid, 22 blitz): 46% wins, 42% draws, 12% losses. FIDE rating 2539 standard, 2602 rapid, 2653 blitz. 372 games analyzed with Stockfish: 94% accuracy, 0.09 blunders per game.

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

Full report: https://chessstalker.com/fide/1008013 — no account needed.

Chess Stalker

Sergei Tiviakov

GM

Netherlandsborn 1973FIDE ID 1008013

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2500
2600
2700
2543 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2653
2602
2539
2699peak, Oct 2005
3,495games
1,594wins, 46%
1,479draws, 42%
422losses, 12%

Play style

before facing them
Elite accuracy: 93.8% average
Solid conversion: 92%
Very consistent (81%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (73% in 1784 games)

Play against Tiviakov's Twin

Their real openings, level & style

Based on 3,495 games

Openings

3,495 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 ♞f611 games, last played 11 years ago90.9%wins
French: Tarrasch1.e4 e6 2.d4 d5 3.♞d2231 games, last played 3 months ago59.3%wins

Deep analysis

Stockfish · Classical · 372 analyzed
Accuracy by phase
Opening
96.6%
Middlegame
94.2%
Endgame
95.6%
Clutch factor
+6%
Winning (+2)
95%
Equal
95%
Losing (−2)
89%
Problematic pieces
26%
58 err
24%
54 err
17%
39 err
13%
29 err
12%
26 err
9%
20 err
Critical moment
Move 36 avg
23%
1-15
15%
16-25
15%
26-35
15%
36-45
31%
46+
31% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
13
11
Few
Many
e5
13
e4
11
d5
9
c5
8
c7
7
e5/e4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#27
♜b1?? vs Begmuratov
Middlegame · OTB · 2025
#30
♜xd5?? vs Marn
Middlegame · OTB · 2024
#89
♞c7?? vs Sokolov
Endgame · OTB · 2024
#29
g3?? vs Sokolov
Endgame · OTB · 2024
#44
♜e8?? vs L'Ami
Endgame · OTB · 2024
#28
♛c2?? vs Nikitenko
Middlegame · OTB · 2024

Recent games

Vrolijk, Liam(2519)

ch-NED KO 2026 · 11 Jul 2026

1–0
Vrolijk, Liam(2519)

ch-NED KO 2026 · 11 Jul 2026

½–½
Vrolijk, Liam(2519)

ch-NED KO 2026 · 10 Jul 2026

½–½
Van den Doel, Erik(2549)

ch-NED KO 2026 · 9 Jul 2026

1–0
Van den Doel, Erik(2549)

ch-NED KO 2026 · 8 Jul 2026

½–½
L'Ami, Erwin(2592)

ch-NED KO 2026 · 7 Jul 2026

½–½

Endgame statistics

Repertoire

PRO
3,495 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
1,795 games53%W38%D9%L
Move
1. e4
17842m
53%39%
73%
1. c4
711y
71%29%
71%
1. d4
325y
67%33%
67%
1. f4
1—
100%
50%

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