GM

Nanu, Costica-Ciprian

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

Classical25171,374 Games
Rapid247626 Games
Blitz24297 Games

Statistics

1407

Total

630

Wins

508

Draws

269

Losses

45%36%19%

Play Style

What you need to know before facing them

Elite accuracy: 93.7% average
Solid conversion: 90%
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 · 82 analyzed

Accuracy by phase
Opening95.9%
Middlegame94.0%
Endgame95.8%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)94%
37 Games
Equal position96%
28 Games
Losing (-2 or more)89%
17 Games

Problematic Pieces

Which pieces cause most errors?

♖
37%
22 errors
♞
17%
10 errors
♕
17%
10 errors
♙
15%
9 errors
♔
10%
6 errors
♗
5%
3 errors

Critical Moment

When does the first serious error occur?

Move 45average
1-15
16-25
26-35
36-45
46+
40% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

3
2
3
2
3
3
4
3
2
2
abcdefgh
Many
Few
Critical squares
e44 err
a33 err
c43 err
d43 err
d53 err
e4/a3 concentrate most errors. Force decisions in those zones.

Recent Games

L
Tudor, Henry Edward2405

TCh-ROU Superliga 2025 · 28 Sept 2025

0-1
W
Sofronie, Vladimir2240

TCh-ROU Superliga 2025 · 27 Sept 2025

1-0
L
Anton, Teodor2427

Romanian Team Championshi... · 6 Oct 2024

0-1
W
Secheres, Adrian-Simion2344

Romanian Team Championshi... · 5 Oct 2024

1-0
L
Padurariu, Mihai-Edward2228

Romanian Team Championshi... · 4 Oct 2024

1-0
D
Istratescu, Andrei2370

Romanian Team Championshi... · 3 Oct 2024

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Reti: Double Fianchetto
50.0%
8 GamesLow sample·Loses

1.Nf3 Nf6 2.g3 g6

Black
Sicilian: d6 Systems
52.0%
25 Games·Loses

1.e4 c5 2.Nf3 d6

Strengths

AVOID
White

No consistent strengths detected as White

Black
Caro-Kann: Panov-Botvinnik
56.3%
16 Games·Wins

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

Sicilian: e6 Systems
45.5%
11 Games·Wins

1.e4 c5 2.Nf3 e6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#55Qg6+??
Endgame
vs Secheres
OTB·2024
▶
#29Rd2??
Tactics
vs Parligras
OTB·2023
▶
#43Rxa4??
Endgame
vs Petkov
OTB·2023
▶
#62Rf1??
Endgame
vs Petkov
OTB·2023
▶
#55Kh5??
Endgame
vs Ardelean
OTB·2023
▶
#58g5??
Endgame
vs Obada
OTB·2023
▶
#41Bf2+??
Endgame
vs Miron
Rapid·2023
▶
#17Nxd4??
Tactics
vs Manea
OTB·2023
▶
#42Qc6??
Endgame
vs Prraneeth Vuppala
OTB·2023
▶
#36Ke5??
Tactics
vs Secheres
OTB·2022
Endgame Statistics

21 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2024
2023
2022
2021
2020
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
704 Games
47%37%16%
1.e4
64%
286
1.d4
68%
182
1.Nf3
61%
128
1.c4
67%
82
1.a3
73%
15
1.d3
63%
4
1.g3
83%
3
1.e3
100%
3
1.b3
100%
1
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