Avatar of Mihnea Costachi

Mihnea Costachi IM

Username: jacky72

Playing Since: 2013-02-05 (Active)

Wow Factor: ♟♟♟♟♟♟

Chess.com

Rapid: 2431
39W / 22L / 16D
Blitz: 3002
4801W / 4380L / 1107D
Bullet: 3002
3932W / 3280L / 572D

Mihnea Costachi - International Master Extraordinaire

Meet Mihnea Costachi, a chess maestro known in the online realms as jacky72. Awarded the prestigious title of International Master by FIDE, Mihnea has steadily climbed the echelons of chess mastery, delivering thrilling games and jaw-dropping comebacks that keep opponents on the edge of their seats.

The Rating Rollercoaster

Starting with a humble blitz rating of around 2000 in early 2013, Mihnea transformed into a Blitz beast by 2025, rocking an astronomical peak rating near 2970 – which is basically grandmaster territory, if not entirely within it yet. Not to be outdone, his bullet play reached a staggering peak rating above 3060, proving that when the clock is ticking down, Mihnea's brain kicks into warp speed.

Playing Style & Personality

With an average game length for wins approaching 88 moves and an intense endgame frequency of over 88%, Mihnea enjoys the long haul. Forget quick one-move checkmates; this player thrives in maneuvering through complex, marathon battles that test patience and precision.

Known for his tactical wizardry, Mihnea boasts an impressive comeback rate of nearly 89% — that's right, when he loses a piece, he turns disappointment into opportunity with nearly half of those games ending in victory. Opponents beware: giving Mihnea a leg up is basically setting a trap for yourself.

Statistical Shenanigans

  • Total Blizzard Games: Over 10,400 battles fought with a nearly 48% win rate.
  • Bullet Brilliance: Over 7,600 games with a win rate tipping past 50%. Faster than a caffeinated squirrel.
  • Rapid Ravages: Smaller sample, but fierce nonetheless – hovering around a 50% win rate in rapid games.

Not So Humble Opening Repertoire

Never revealing all his secrets, Mihnea’s favorite opening code is "Top Secret" — either a masterclass in mystery or just a sly wink to his rivals. Whether it’s an unassuming pawn move or a sneaky queen sortie, opponents can expect the unexpected.

Memorable Moments & Recent Battles

Just recently, Mihnea secured a stunning checkmate victory with his trademark tenacity and precision. In one thrilling blitz game, he orchestrated a crafty queen sacrifice followed by relentless pressure that ended in a neat mate - proving that victory and elegance are not mutually exclusive.

The Chess Philosopher

When asked about his strategy, Mihnea might say, "It's not just about winning; it's about making your opponent sweat." With a tilt factor of just 16, staying calm under pressure is a virtue that Mihnea seems to have mastered — a zen master amid the chaos of ticking clocks and screaming bishops.

Fun Fact

Mihnea's best time of day to play is quietly at 1:00 AM. So if you want to catch him napping, try challenging him at dawn – otherwise, prepare for a night owl on the loose!

Final Words

Whether it's blitz, bullet, or rapid, Mihnea Costachi embodies the spirit of chess: a blend of deep preparation, lightning-fast tactics, and, most importantly, a love of the game that shines through every move. Opponents, you've been warned – jacky72 plays not just to win, but to make chess a thrilling adventure every time.


Coach Chesswick's Profile Photo
Coach Chesswick

Positive Aspects in Your Play

Mihnea, your recent rapid games demonstrate solid fundamentals and resilience. Here are some strengths to build on:

  • You show good opening preparation with consistent use of the Queen’s Pawn and Indian defense systems, which suits your style well.
  • Your ability to convert winning positions is evident from your sharp final play and decisive tactics in your wins.
  • You maintain a balanced time management approach in rapid games, allowing you to make thoughtful moves without severe time pressure.
  • Your record against typical openings like the QGD 3.Nc3 Bb4 and the Ruy Lopez Morphy Defense is promising, with a win rate above 65% and even 100% respectively in those lines.

Areas for Improvement

To raise your level further, focusing on the following areas would be beneficial:

  • Opening Variety and Defenses: Your current performance shows struggles with certain openings such as the Vienna Gambit and East Indian Defense (0% win rate). Investing more study into these lines could stabilize your score in those areas.
  • Endgame Technique: In your recent losses, you were caught in sharp tactical situations or mating nets. Practice endgame fundamentals and pattern recognition to better defend and convert seemingly balanced positions.
  • Handling Complex Positions: Some losses came from allowing strong moves by opponents in the middlegame, particularly involving queen and rook activity. Enhancing your calculation depth and positional understanding will help.
  • Drawing and Losing Games Review: Review games that ended in draws or losses carefully to find recurring inaccuracies or missed resources that could be improved.

General Recommendations

Considering your rating trends and stats, a thoughtful approach could include:

  • Focus training on troublesome openings identified, especially those where you have a 0% win rate.
  • Analyze your losses with an engine and stronger players to pinpoint subtle positional mistakes or tactical oversights.
  • Practice different endgame scenarios regularly to improve confidence and technique in clutch moments.
  • Use your strength in opening knowledge to steer games into favorable territory, minimizing risks against tricky lines.
  • Maintain a steady tempo in rapid games, balancing speed and accuracy to avoid blunders.

Your steady rating slope implies consistent improvement potential. With targeted study and practice, you can return to upward momentum.

Next Steps

It would be useful to:

  • Review your recent game vs monteneri focusing on losing positions to understand where the game slipped away.
  • Explore deeper theory on openings like the East Indian Defense and Vienna Gambit to diversify your responses.
  • Play training games emphasizing endgame technique, especially rook and queen endgames, where recent losses occurred.
  • Continue leveraging your tactical strengths to build solid attacks from the opening.


🆚 Opponent Insights

Recent Opponents
jazmincatorce 5W / 0L / 0D View
Momchil Petkov 3W / 4L / 0D View
Gerasimenyuk Mikhail 6W / 1L / 0D View
fda fadf 3W / 0L / 0D View
Noah Thomforde-Toates 6W / 3L / 2D View
przemekpiotrowski 3W / 2L / 0D View
Radin Yadegar 2W / 1L / 0D View
media2012 3W / 1L / 0D View
aakash-dalvi7 25W / 20L / 8D View
mostii 3W / 0L / 1D View
Most Played Opponents
razvan085 293W / 17L / 13D View Games
Pranav Anand 85W / 137L / 19D View Games
Валерий Свиридов 38W / 87L / 12D View Games
Nguyen Ngoc Truong Son 41W / 58L / 9D View Games
ZURAB AZMAIPARASHVILI 55W / 41L / 9D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 3002 3002
2024 2855 2874 2431
2023 2807 2818 2441
2022 2864 2805
2021 2852 2862 2352
2020 2801 2805 2335
2019 2556 2620
2018 2552 2606
2017 2532 2503
2013 2059 2026
Rating by Year201320172018201920202021202220232024202530022026YearRatingBulletBlitzRapid

Stats by Year

Year White Black Moves
2025 845W / 521L / 136D 815W / 573L / 119D 96.2
2024 526W / 525L / 115D 480W / 564L / 112D 97.0
2023 813W / 717L / 195D 708W / 806L / 169D 98.3
2022 436W / 318L / 74D 381W / 328L / 93D 96.6
2021 637W / 470L / 106D 630W / 489L / 100D 93.7
2020 493W / 286L / 67D 473W / 310L / 61D 88.6
2019 301W / 270L / 72D 286W / 292L / 70D 95.5
2018 442W / 375L / 86D 381W / 420L / 83D 91.6
2017 271W / 190L / 23D 255W / 198L / 36D 82.6
2013 74W / 54L / 6D 78W / 54L / 5D 82.3

Openings: Most Played

Bullet Opening Games Wins Losses Draws Win Rate
Amazon Attack 788 435 295 58 55.2%
Amar Gambit 635 322 278 35 50.7%
Australian Defense 295 144 132 19 48.8%
Amazon Attack: Siberian Attack 271 125 128 18 46.1%
East Indian Defense 256 132 103 21 51.6%
King's Indian Defense: Fianchetto Variation, Delayed Fianchetto 241 102 112 27 42.3%
King's Indian Attack 175 93 63 19 53.1%
Nimzo-Larsen Attack 165 88 68 9 53.3%
Barnes Defense 154 92 54 8 59.7%
Four Knights Game 150 71 64 15 47.3%
Blitz Opening Games Wins Losses Draws Win Rate
Amazon Attack 630 281 272 77 44.6%
Amazon Attack: Siberian Attack 481 217 217 47 45.1%
Amar Gambit 449 199 199 51 44.3%
King's Indian Defense: Averbakh Variation 277 120 139 18 43.3%
Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation 273 134 119 20 49.1%
King's Indian Defense: Fianchetto Variation, Delayed Fianchetto 265 127 110 28 47.9%
Blackburne Shilling Gambit 238 136 84 18 57.1%
King's Indian Defense: Orthodox Variation 229 116 94 19 50.7%
Australian Defense 223 117 91 15 52.5%
Slav Defense 207 95 76 36 45.9%
Rapid Opening Games Wins Losses Draws Win Rate
Amazon Attack 4 2 1 1 50.0%
QGD: 3.Nc3 Bb4 3 2 0 1 66.7%
QGA: Classical, 6...a6 7.a3 3 1 0 2 33.3%
Amar Gambit 3 2 0 1 66.7%
Petrov's Defense 3 1 0 2 33.3%
King's Indian Defense: Averbakh Variation 3 1 2 0 33.3%
Vienna Gambit: 3...d5 4.exd5 2 0 2 0 0.0%
East Indian Defense 2 0 2 0 0.0%
Semi-Slav Defense Accepted 2 1 0 1 50.0%
Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation 2 2 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 31 6
Losing 16 0
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