Scouting report: Costica-Ciprian Nanu (GM, ROU)

1,382 over-the-board games in the Chess Stalker database (1,220 classical, 25 rapid, 137 blitz): 45% wins, 36% draws, 19% losses. FIDE rating 2517 standard, 2476 rapid, 2429 blitz. 84 games analyzed with Stockfish: 94% accuracy, 0.1 blunders per game.

  • Opening repertoire of Costica-Ciprian Nanu 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 Costica-Ciprian Nanu's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1204580 — no account needed.

Costica-Ciprian Nanu

TitleGrandmasterFederationRomaniaBorn1977FIDE ID1204580

Classical2517
Rapid2476
Blitz2429
Games1,382
W · D · L45 / 36 / 19
Peak2535

Rating history

2400
2440
2480
2520
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2517Rapid2476Blitz2429no games played
Accuracy by phase
95.9%Opening93.7%Middlegame95.8%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 93.5% average
Solid conversion: 88%
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 as ♔ (68% in 174 games)
Vulnerable to 1.Nf3 ♚ (only 46%)

Recent games

Tudor, Henry Edward(2405)

Romanian Team Championship Super... · 28 Sept 2025

0–1
Sofronie, Vladimir(2240)

Romanian Team Championship Super... · 27 Sept 2025

1–0
Anton, Teodor(2427)

Romanian Team Championships Supe... · 6 Oct 2024

0–1
Secheres, Adrian-Simion(2344)

Romanian Team Championships Supe... · 5 Oct 2024

1–0
Padurariu, Mihai-Edward(2228)

Romanian Team Championships Supe... · 4 Oct 2024

1–0

Play against Nanu's Twin

Their real openings, level & style

Based on 1,382 games

Openings

692 games as White · scores 65.3%

Weaknesses

where they slip as ♔ White
Reti: Double Fianchetto1.♞f3 ♞f6 2.g3 g6only 8 games, last played 16 years ago50.0%losses

Strengths

what holds up for them as ♔ White

No consistent strengths detected as white

By family

open a family to see its lines
PRO
1,382 games in scope
LineGamesScorevs 65.3%
15460.1%−5.3 pts
15464.0%—
10169.3%+4.0 pts
7967.1%—
2858.9%−6.4 pts
2871.4%+6.1 pts
2759.3%−6.1 pts
2682.7%+17.4 pts

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
1,382 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
692 games47%W37%D16%L
Move
1. e4
2852y
45%38%17
64%
1. d4
1742y
47%43%
68%
1. ♞f3
1282y
44%35%21
61%
1. c4
791y
53%28%19
67%
1. a3
152y
60%27%13
73%
1. d3
42y
50%25%25%
63%
1. g3
33y
67%33%
83%
1. e3
32y
100%
100%
1. b3
12y
100%
100%

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