Scouting report: Ronen Har-Zvi (GM, ISR)

456 over-the-board games in the Chess Stalker database (437 classical, 17 rapid, 2 blitz): 38% wins, 42% draws, 20% losses. FIDE rating 2513 standard, 2523 blitz. 14 games analyzed with Stockfish: 90% accuracy, 0.14 blunders per game.

  • Opening repertoire of Ronen Har-Zvi 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 Ronen Har-Zvi's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/2801485 — no account needed.

Ronen Har-Zvi

GM

Israelborn 1976FIDE ID 2801485

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2480
2520
2513 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2523
2513
2515peak, Jul 2001
456games
175wins, 38%
190draws, 42%
91losses, 20%

Play style

before facing them
Very high accuracy: 90.0% average
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 as ♔ (67% in 84 games)
Vulnerable to 1.Nf3 ♚ (only 47%)

Play against Har-Zvi's Twin

Their real openings, level & style

Based on 456 games

Openings

456 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

No consistent strengths detected as white

Deep analysis

Stockfish · Classical · 14 analyzed
Accuracy by phase
Opening
96.0%
Middlegame
90.0%
Endgame
92.4%
Clutch factor
+3%
Winning (+2)
90%
Equal
94%
Losing (−2)
88%
Problematic pieces
31%
8 err
19%
5 err
19%
5 err
15%
4 err
12%
3 err
4%
1 err
Critical moment
Move 38 avg
0%
1-15
0%
16-25
0%
26-35
100%
36-45
0%
46+
100% of blunders occur after move 36-45. Keep tension until then.
Error heatmap · Critical squares
2
2
2
Few
Many
c7
2
e6
2
h3
2
c6
1
d3
1
c7/e6 concentrate most errors. Force decisions in those zones.

Critical blunders

some recent costly mistakes
Firouzja, Alireza(2785)

Move 38 · Endgame · OTB · 2022

−7.3a1??
Abdusattorov, Nodirbek(2646)

Move 38 · Endgame · Blitz · 2021

−4.1h5??
Polgar, Judit(2630)

Move 14 · Middlegame · Blitz

−3.8e5??

Recent games

Sarana, Alexey(2691)

Titled Tuesday Early · 19 Aug 2025

0–1
Mikhailovsky, Vladimir(2215)

Titled Tuesday Early · 19 Aug 2025

1–0
Fofanov, Ilia(2182)

Titled Tuesday Late · 19 Aug 2025

0–1
Makarian, Rudik(2549)

Titled Tuesday Early · 19 Aug 2025

0–1
Galchenko, Matvey(2435)

Titled Tuesday Early · 19 Aug 2025

1–0
Ivanov,Andrey A.(2106)

Titled Tuesday Early · 19 Aug 2025

0–1

Endgame statistics

Repertoire

PRO
456 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
224 games42%W43%D15%L
Move
1. e4
894y
37%51%
62%
1. ♞f3
841y
54%27%19
67%
1. c4
42Jan 1995
33%55%
61%
1. d4
710y
1457%29%
43%
1. h3
15y
100%
50%
1. h4
14y
100%
100%

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