N
GM

Nanu, Costica-Ciprian

ROU ROU·Born 1977·FIDE #1204580·1,407 Games

Classical25171,374 Games
Rapid247626 Games
Blitz24297 Games

Play against Nanu, Costica-Ciprian's Twin

PRO

Uses their openings, level & style

Statistics

Total

1407

Wins

630

Draws

508

Losses

269
45%36%19%

Play Style

What you need to know before facing them
Elite accuracy: 93.5% average
Solid conversion: 88%
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.a3 ♔ (73% in 15 games)
Vulnerable to 1.Nf3 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 84 analyzed
Accuracy by phase
Opening
95.9%
Middlegame
93.7%
Endgame
95.8%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+5%
Winning (+2 or more)
94%37g
Equal position
96%28g
Losing (-2 or more)
89%19g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
34%
23 errors
19%
13 errors
15%
10 errors
15%
10 errors
13%
9 errors
4%
3 errors
Critical Moment — When does the first serious error occur?
Move 46 average
0%
0%
17%
33%
50%
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 46+. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
4
4
Few
Many
Critical squares
d4
4 err
e4
4 err
a3
3 err
c4
3 err
d5
3 err
d4/e4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines
White50.0%Loses
Reti: Double Fianchetto — 1.Nf3 Nf6 2.g3 g6
8 Games · Low sample · last played 15 years agoPlay this line
Black52.0%Loses
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6
25 Games · last played 2 years agoPlay this line

Strengths

— avoid these lines

No consistent strengths detected as White

Black56.3%Wins
Caro-Kann: Panov-Botvinnik — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c416 Games · last played 16 years ago
Black45.5%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e611 Games · last played 2 years ago

Critical Blunders

10 errors · Stockfish
Qg6+??vs SecheresOTB · 2024
Rf1??vs PetkovOTB · 2023
Rxa4??vs PetkovOTB · 2023
Kh5??vs ArdeleanOTB · 2023
Rd2??vs ParligrasOTB · 2023
g5??vs ObadaOTB · 2023
Bf2+??vs MironRapid · 2023
Qc3??vs HambletonOTB · 2023
Qc6??vs Prraneeth VuppalaOTB · 2023
Nxd4??vs ManeaOTB · 2023

Recent Games

L
Tudor, Henry Edward(2405)

TCh-ROU Superliga 2025 · 28 Sept 2025

0-1
W
Sofronie, Vladimir(2240)

TCh-ROU Superliga 2025 · 27 Sept 2025

1-0
L
Anton, Teodor(2427)

Romanian Team Championshi... · 6 Oct 2024

0-1
W
Secheres, Adrian-Simion(2344)

Romanian Team Championshi... · 5 Oct 2024

1-0
L
Padurariu, Mihai-Edward(2228)

Romanian Team Championshi... · 4 Oct 2024

1-0
D
Istratescu, Andrei(2370)

Romanian Team Championshi... · 3 Oct 2024

½-½

Endgame Statistics

PRO21 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
704 Games
47%37%16%
MoveGamesPerformance%
1.e4
286
64%
1.d4
182
68%
1.Nf3
128
61%
1.c4
82
67%
1.a3Strong
15
73%
1.d3
4
63%
1.g3Strong
3
83%
1.e3Strong
3
100%
1.b3Strong
1
100%

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