Players
Stamatis Kourkoulos-Arditis
Photo: Yunfan Zhao
GM

Stamatis Kourkoulos-Arditis

GreeceBorn 1998 (age 28)FIDE ID 4221990

Luft classical

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Monthly Luft ratings, now 2494
FIDE

FIDE classical

220024002600201620182020202220242026
Monthly FIDE ratings, now 2530
Luft

Flair

Stamatis Kourkoulos-Arditis's classical flairs

0 of 19 earned over the last 12 months

  • TitanLuft classical rating averaging 2800+ over the last 4 years
  • Serial WinnerWon 2+ elite events in the last 12 months
  • UnderdogRegularly beats players rated 50+ higher
  • Fortress25+ games in a row without a loss
  • Black BeltDoes better with black than with white
  • IronmanPlayed 50+ games over the last 12 months
  • RisingAged 18 or under, Luft rating up 40+ over the last 12 months
  • Endgame SpecialistEndgame 90+: converting, saving and not throwing endgames
  • TacticianTactics 90+: sharp, tactical games they made sharp
  • LightningTop 20 at speed chess (mostly blitz, some rapid)
  • Hot StreakAt least 6 points from 7 straight games against strong opposition
  • SignatureSticks to one defence with black far more than most
  • ChameleonPlays a wide range of defences with black
  • WildcardBrilliant one event, off the next: hard to predict
  • ReliableConsistent across all top events
  • FighterRarely draws, and wins far more than they lose
  • AdaptableTactics and Positional both 90+
  • PositionalPositional 90+: slow, quiet games they steered
  • PodiumTop 3 in at least half of their elite events

No classical flair in the last year yet.

Trophy cabinet

Stamatis Kourkoulos-Arditis's classical titles

3 classical titles, newest first

  • Greek Championship 20241st
  • Greek Championship 20231st
  • Greek Championship 20191st
  • Greek Championship×3

Attributes

Tactics 71Positional 73Endgame 83Openings 72Composure 74Defence 73Speed 69Consistency 77

Luft classical rating

2494No. 286

From 12 classical games in top events over the last year, playing at a 2441 level.

ResultsPlayed at a 2441 level, blended with their FIDE rating−12
Tournament winsNone in the last year0
FormThe last 3 months against the whole year−10
ConsistencyHow steady they are from event to event−8
Activity12 classical games in top events−6

Openings

Their most-played, from 66 classical games in top events over the last 4 years

OpeningGamesScore
Sicilian Defense1634%
Ruy Lopez383%
Italian Game367%
Pirc Defense2100%
English Opening225%

Sicilian Defense

With White: 16 games, won 2, drew 7, lost 7 · 34%

VariationGamesScore
Najdorf Variation838%
Nyezhmetdinov-Rossolimo Attack520%
Richter-Rauzer Variation250%
Hyperaccelerated Dragon150%

Ruy Lopez

With White: 3 games, won 2, drew 1, lost 0 · 83%

VariationGamesScore
Berlin Defense1100%
Closed1100%
Morphy Defense150%

Italian Game

With White: 3 games, won 1, drew 2, lost 0 · 67%

VariationGamesScore
Giuoco Pianissimo275%
Classical Variation150%

Pirc Defense

With White: 2 games, won 2, drew 0, lost 0 · 100%

VariationGamesScore
Main line1100%
Classical Variation1100%

English Opening

With White: 2 games, won 0, drew 1, lost 1 · 25%

VariationGamesScore
Anglo-Indian Defense150%
Symmetrical Variation10%

Ruy Lopez

With Black: 9 games, won 2, drew 4, lost 3 · 44%

VariationGamesScore
Morphy Defense750%
Exchange Variation150%
Closed10%

King's Indian Defense

With Black: 7 games, won 2, drew 5, lost 0 · 64%

VariationGamesScore
Fianchetto Variation367%
Semi-Averbakh System367%
Karpov System150%

Nimzo-Indian Defense

With Black: 3 games, won 1, drew 2, lost 0 · 67%

VariationGamesScore
Sämisch Variation1100%
Reshevsky Variation150%
Normal Variation150%

Italian Game

With Black: 3 games, won 0, drew 1, lost 2 · 17%

VariationGamesScore
Classical Variation225%
Giuoco Pianissimo10%

King's Indian Attack

With Black: 2 games, won 1, drew 1, lost 0 · 75%

VariationGamesScore
Symmetrical Defense1100%
Main line150%

Recent events

See all
EventPlace+/−+/−
46th FIDE Chess Olympiad Samarkand 202627 Sep 20265/10−11−12
European Individual Chess Championship 202619 Apr 2026=24th+1+2
FIDE World Cup 20258 Nov 20253½/6+7+9
European Team Chess Championship 202514 Oct 20254/8+2+4
Prague International Chess Festival 20257 Mar 2025=7th−18−19

Best wins

OpponentRating
GMH. Melkumyan19 Nov 2023 · European Team Championship2650
GMM. Yilmaz14 Oct 2025 · European Team Chess Championship 20252591
IME. Amar6 Mar 2024 · Prague Chess Festival 20242567
GMD. Deshmukh2 Nov 2025 · FIDE World Cup 20252505
GMG. Quparadze19 Apr 2026 · European Individual Chess Championship 20262484

Most played

OpponentGamesWDL
GMR. MamedovLast 9 Oct 2025 · European Team Chess Championship 20253012
GMD. DeshmukhLast 2 Nov 2025 · FIDE World Cup 20253201
GMD. FridmanLast 31 Jul 2023 · FIDE World Cup 20232011
GMN. SarinLast 5 Nov 2025 · FIDE World Cup 20252020
GMA. GrebnevLast 8 Nov 2025 · FIDE World Cup 20252011

Compare Luft

GMStamatis Kourkoulos-ArditisGreece

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How attributes are calculated

From their games in top events over the last 12 months, each judged against the opponent's rating

  • TacticsHow well they score in sharp games they chose to make sharp.
  • PositionalHow well they score in quiet, manoeuvring games they steered.
  • EndgameHow they do in endgames against what the position promised when it began: converting a winning one earns a little, saving a losing one earns a lot, and throwing a winning one costs a lot.
  • OpeningsThe engine's verdict on their position around moves 15 to 20, against what's normal for that colour, as the score it points to. Over the last 4 years, with older games counting less.
  • ComposureHow well they score under pressure: the game straight after a loss, and the last 3 games of an event while they can still win it. Over the last 4 years.
  • DefenceHow they do in games where they were 0.8 pawns or more worse after move 18, against what that position usually scores: holding the draw earns, turning it around earns more, and losing costs a little.
  • SpeedTheir Luft rapid and blitz ratings. With neither, an estimate a little below their classical level.
  • ConsistencyTheir Luft rating, less their off days: tournaments (5+ games each) over the last 4 years where they played 50+ below it. Anything better never counts against them.

  • "How well they score" is a performance rating: the opponent's rating, plus 400 for a win and minus 400 for a loss, averaged. So it's always judged against who they played.

    The score out of 100: 80 is a 2600 level, and each 13 rating points adds one, so 2860 and up is 100.

    Fair to everyone: with only a few games of a kind, the result leans towards their overall Luft rating. Strengths and weaknesses are measured against their overall level and compared with the top 100, so a specialist's best side stands out. A little recent form is added to all but Speed.