Kourkoulos-Arditis, Stamatis

GRE GRE·Born 1998·FIDE #4221990·1,900 Games

Classical25701,822 Games

Rapid246937 Games

Blitz246441 Games

Play against Kourkoulos-Arditis, Stamatis's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

1900 games analyzed

Statistics

Total

1900

Wins

986

Draws

371

Losses

543

52%20%29%

Play Style

What you need to know before facing them

Elite accuracy: 93.8% average

High resilience (66%): Dangerous even when losing

Solid conversion: 96%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (69% in 26 games)

Deep Analysis

Stockfish 18 · Classical games · 545 analyzed

Accuracy by phase

Opening

96.6%

Middlegame

93.6%

Endgame

95.2%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+4%

Winning (+2 or more)

95%241g

Equal position

95%150g

Losing (-2 or more)

91%109g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

21%

102 errors

20%

97 errors

19%

89 errors

14%

69 errors

14%

67 errors

12%

56 errors

Critical Moment — When does the first serious error occur?

Move 40 average

16%

26%

32%

1-15

16-25

26-35

36-45

46+

32% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

147

Hotspot zone

f5 / e4

Critical squares

19 err

18 err

16 err

15 err

f5/e4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White62.5%Loses

Petroff: Steinitz Attack — 1.e4 e5 2.Nf3 Nf6 3.d4

8 Games · Low sample · last played 9 months agoPlay this line

White41.2%Loses

Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb5

17 Games · last played 3 months agoPlay this line

Black66.7%Loses

Sicilian: Najdorf — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

9 Games · Low sample · last played 3 weeks agoPlay this line

Black55.6%Loses

Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

9 Games · Low sample · last played 8 months agoPlay this line

Strengths

— avoid these lines

White78.6%Wins

Ruy Lopez: Closed — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be714 Games

White75.8%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e633 Games

Black68.8%Wins

Reti: KIA — 1.Nf3 d5 2.g3 b616 Games

Black49.0%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6100 Games

Critical Blunders

10 errors · Stockfish

#25Rc8??Tacticsvs Kalyani SirinOTB · 2026

#52Rxg7??Endgamevs TikhonovOTB · 2026

#50Rg3??Endgamevs BelovOTB · 2026

#87Qc8??Endgamevs VovkOTB · 2026

#52Nh7??Endgamevs ParavyanOTB · 2026

#42Kf7??Endgamevs AshrafOTB · 2026

#37Rxd4??Tacticsvs DubovOTB · 2026

#42Qb6??Endgamevs NosachOTB · 2026

#28Qxh5??Tacticsvs IndjicOTB · 2026

#60Ka4??Endgamevs Uber GraciaOTB · 2026

Recent Games

1,900 Games

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½-½

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Ioannidis, Evgenios(2473)

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1-0

Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

968 Games

57%19%24%

Move	Games	%
1.e4	455	67%
1.d4	249	67%
1.Nf3	153	66%
1.b3	82	66%
1.c4	26	69%
1.f4	2	50%
1.b4 Weak	1	0%

MoveGamesPerformance%

1.e4

455

67%

1.d4

249

67%

1.Nf3

153

66%

1.b3

66%

1.c4

69%

1.f4

50%

1.b4Weak