GM

Nikolaidis, Ioannis

GRE GRE·Born 1971·FIDE #4202139·1,910 Games

Classical24441,880 Games
Rapid253521 Games
Blitz25139 Games

Statistics

1910

Total

828

Wins

857

Draws

225

Losses

43%45%12%

Play Style

What you need to know before facing them

Elite accuracy: 94.5% average
High resilience (59%): Dangerous even when losing
Solid conversion: 87%
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.c4 ♔ (78% in 97 games)

Deep Analysis

Stockfish 18 · Classical games · 149 analyzed

Accuracy by phase
Opening97.0%
Middlegame94.5%
Endgame96.1%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
62 Games
Equal position95%
70 Games
Losing (-2 or more)89%
17 Games

Problematic Pieces

Which pieces cause most errors?

29%
25 errors
19%
16 errors
14%
12 errors
13%
11 errors
13%
11 errors
12%
10 errors

Critical Moment

When does the first serious error occur?

Move 38average
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?

4
3
3
3
4
7
6
3
3
3
abcdefgh
Many
Few
Critical squares
e57 err
f56 err
d54 err
d84 err
d23 err
e5/f5 concentrate most errors. Force decisions in those zones.

Recent Games

D
Kourkoulos-Arditis, Stamatis2592

Greek National Chess Cham... · 11 Dec 2025

½-½
L
Alexakis, Dimitris2544

Greek National Chess Cham... · 10 Dec 2025

0-1
D
Ioannidis, Evgenios2480

Greek National Chess Cham... · 9 Dec 2025

½-½
D
Tsarsitalidis, Konstantinos2223

Greek National Chess Cham... · 8 Dec 2025

½-½
L
Kalogridis, Antonios2409

Greek National Chess Cham... · 7 Dec 2025

1-0
D
Patrelakis, Evaggelos2453

Greek National Chess Cham... · 5 Dec 2025

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
English: Anglo-Indian
84.6%
13 Games·Wins

1.c4 Nf6 2.Nc3 g6

Queen's Gambit Declined
59.0%
61 Games·Wins

1.d4 d5 2.c4 e6

Black
Caro-Kann: Panov-Botvinnik
84.6%
13 Games·Wins

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

Sicilian: d6 Systems
45.1%
51 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
#17Na3??
Tactics
vs Alexakis
OTB·2025
#39Qd7??
Tactics
vs Ioannidis
OTB·2025
#44Ng5??
Endgame
vs Loutragotis
OTB·2024
#47Bb5??
Endgame
vs Sahib Singh
OTB·2024
#44Bf5??
Endgame
vs Jaiveer Mahendru
OTB·2024
#18Bg7??
Tactics
vs Korpa
OTB·2022
#33Bxe5??
Tactics
vs Triantafyllakis
OTB·2021
#26Rd5??
Tactics
vs Merkos
OTB·2021
#45Qf5??
Endgame
vs Armaos
OTB·2021
#44Ke5??
Endgame
vs Papaoulakis
OTB·2021
Endgame Statistics

22 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
926 Games
48%44%8%
1.d4
70%
569
1.Nf3
69%
151
1.e4
66%
102
1.c4
78%
97
1.g3
50%
6
1.b3
100%
1
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