Papaioannou, Ioannis
GMGRE·Born 1976·FIDE #4201345
2608Classical
2614Rapid
2666Blitz
Statistics
Total705
Wins321
Draws299
Losses85
46%42%12%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 94.1% average
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as
(72% in 76 games)
Play against Papaioannou's Twin
Uses their openings, level & style
Practice against a bot that uses their real openings and playing style
Ready to play
705 games analyzed
Deep Analysis
Stockfish 18 · Classical · 28 analyzedStockfish 18 · Classical games · 28 analyzedAccuracy by phase
Opening
97.3%
Middlegame
94.7%
Endgame
96.1%
Clutch Factor
+4%Winning (+2)Winning (+2)
95%10g
EqualEqual position
94%16g
Losing (−2)Losing (−2)
91%2g
Accuracy under pressure
Problematic Pieces — which cause most errors?
47%
7 err
27%
4 err
13%
2 err
13%
2 err
0%
0 err
0%
0 err
Critical Moment
Move 22 avg0%1-15
100%16-25
0%26-35
0%36-45
0%46+
100% of blunders occur after move 16-25 — keep tension until then.of blunders occur after move 16-25 — keep tension until then.
Error Heatmap — where do errors occur?
3
FewMany
Errors mapped
13
Hotspot zone
b3 / a5
Critical squares
b3
3 err
a5
2 err
a6
1 err
c3
1 err
d1
1 err
b3/a5 concentrate most errors. Force decisions in those zones.
Openings
705 gamesBased on 705 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite90.0%wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d610 g10 games · last played last month
aswhite75.0%wins
Benoni — 1.d4 Nf6 2.c4 c512 g12 games · last played 11 years ago
asblack80.0%wins
Caro-Kann: Exchange — 1.e4 c6 2.d4 d5 3.exd510 g10 games · last played 3 years ago
asblack55.6%wins
Nimzo-Indian: Rubinstein — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e318 g18 games · last played 4 years ago
Critical Blunders
5 errors · Stockfish#66Qa5??vs McShaneOTB · 2025
#45Qxc3??vs IndjicOTB · 2025
#21f4??vs KapnisisOTB · 2024
#50Qxd1??vs PapadopoulosOTB · 2024
#25Rb3??vs PavlidisOTB · 2024
Recent Games
705 gamesDraw
Kourkoulos-Arditis, Stamatis(2570)
53rd TCh-GRE 2026 · 10 Jul 2026
Win
Papasimakopoulos, Alexandros(2353)
53rd TCh-GRE 2026 · 9 Jul 2026
Draw
Gkoumas, Georgios(2439)
53rd TCh-GRE 2026 · 8 Jul 2026
Win
Petkidis, Anthony(2420)
53rd TCh-GRE 2026 · 7 Jul 2026
Draw
Krallis, Christos(2424)
53rd TCh-GRE 2026 · 5 Jul 2026
Loss
McShane, Luke J(2614)
Round 7: McShane, Luke J ... · 12 Oct 2025
Endgame Statistics
PRO14 endgames (50%)Unlock Endgame Statistics
14 endgame categories — discover where they collapse under pressure
Repertoire
PRO
6
5
4
3
Move arrowsmost-played moves
SF18
363 games
51%40%9%
MovegamesPerf%
1.d4Strong
25671%
1.e4Strong
7672%
1.Nf3
2467%
1.c4Strong
675%
1.b3Strong
1100%
GRE