GM

Papaioannou, Ioannis

GRE GRE·Born 1976·FIDE #4201345·700 Games

Classical2611700 Games
Rapid26140 Games
Blitz26660 Games

Statistics

700

Total

319

Wins

296

Draws

85

Losses

46%42%12%

Play Style

What you need to know before facing them

Elite accuracy: 94.1% average
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (72% in 76 games)

Deep Analysis

Stockfish 18 · Classical games · 28 analyzed

Accuracy by phase
Opening97.3%
Middlegame94.7%
Endgame96.1%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)95%
10 Games
Equal position94%
16 Games
Losing (-2 or more)91%
2 Games

Problematic Pieces

Which pieces cause most errors?

♕
47%
7 errors
♖
27%
4 errors
♞
13%
2 errors
♙
13%
2 errors
♗
0%
0 errors
♔
0%
0 errors

Critical Moment

When does the first serious error occur?

Move 22average
1-15
16-25
26-35
36-45
46+
100% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

1
2
1
1
3
1
1
1
1
1
abcdefgh
Many
Few
Critical squares
b33 err
a52 err
a61 err
c31 err
d11 err
b3/a5 concentrate most errors. Force decisions in those zones.

Recent Games

L
McShane, Luke J2614

Round 7: McShane, Luke J ... · 12 Oct 2025

1-0
L
Indjic, Aleksandar2618

Round 4: Papaioannou, Ioa... · 8 Oct 2025

0-1
D
Demchenko, Anton2628

Round 3: Papaioannou, Ioa... · 7 Oct 2025

½-½
D
Hamitevici, Vladimir2445

Round 1: Hamitevici, Vlad... · 5 Oct 2025

½-½
L
Indjic, Aleksandar

European Team Chess Champ... · 27 Sept 2025

0-1
L
McShane, Luke J

European Team Chess Champ... · 27 Sept 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Sicilian: d6 Systems
90.0%
10 Games·Wins

1.e4 c5 2.Nf3 d6

King's Indian: Saemisch
60.9%
23 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

Black
Caro-Kann: Exchange
80.0%
10 Games·Wins

1.e4 c6 2.d4 d5 3.exd5

Nimzo-Indian: Rubinstein
55.6%
18 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

Critical Blunders

Tactical errors analyzed with Stockfish

5 errors
▶
#66Qa5??
Endgame
vs McShane
OTB·2025
▶
#45Qxc3??
Endgame
vs Indjic
OTB·2025
▶
#21f4??
Tactics
vs Kapnisis
OTB·2024
▶
#50Qxd1??
Endgame
vs Papadopoulos
OTB·2024
▶
#25Rb3??
Endgame
vs Pavlidis
OTB·2024
Endgame Statistics

15 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
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PRO
8
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5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
361 Games
50%40%10%
1.d4
70%
254
1.e4
72%
76
1.Nf3
67%
24
1.c4
75%
6
1.b3
100%
1
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