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Marcin Sieciechowicz
Number of games in database: 145
Years covered: 2007 to 2021
Last FIDE rating: 2372 (2327 rapid, 2372 blitz)
Highest rating achieved in database: 2462

Overall record: +33 -31 =40 (51.0%)*
   * Overall winning percentage = (wins+draws/2) / total games in the database. 41 exhibition games, blitz/rapid, odds games, etc. are excluded from this statistic.

With the White pieces:
 Nimzo Indian (10) 
    E46 E20 E42 E44
 King's Indian (9) 
    E94 E92 E97 E91
 Slav (6) 
    D17 D16 D12 D15
 Queen's Gambit Declined (6) 
    D38 D35 D30
 Grunfeld (5) 
    D86 D87 D85
 Modern Benoni (5) 
    A67 A57
With the Black pieces:
 French Defense (18) 
    C11 C00 C17 C02 C05
 Sicilian (17) 
    B90 B96 B97 B53 B25
 Sicilian Najdorf (10) 
    B90 B96 B97 B91
 Grunfeld (10) 
    D85 D90 D78 D80 D86
 Slav (9) 
    D12 D11 D10
 French (8) 
    C11 C00 C10
Repertoire Explorer

NOTABLE GAMES: [what is this?]
   E Safarli vs M Sieciechowicz, 2010 0-1
   M Sieciechowicz vs A Jakubiec, 2010 1-0

NOTABLE TOURNAMENTS: [what is this?]
   31st Cracovia Open A 2020/21 (2020)
   Wroclaw Chess Festival (2010)
   World Junior Championship (2010)
   Najdorf Memorial Open A (2019)

   🏆 31st Cracovia Open A 2020/21
   N Ustianovich vs M Sieciechowicz (Jan-04-21) 0-1
   M Sieciechowicz vs Jakub Seemann (Jan-03-21) 1/2-1/2
   A Donchenko vs M Sieciechowicz (Jan-02-21) 1-0
   M Sieciechowicz vs Aras Vardanyan (Jan-02-21) 1-0
   Nasuta vs M Sieciechowicz (Dec-31-20) 1/2-1/2

Search Sacrifice Explorer for Marcin Sieciechowicz
Search Google for Marcin Sieciechowicz
FIDE player card for Marcin Sieciechowicz

(born Mar-27-1992, 29 years old) Poland

[what is this?]
International Master.

IM Sieciechowicz has been on the tournament circuit since 2004, with his first noteworthy results in individual tournaments being his second place in the Polish Boys Championship U-16 in 2007 with 8/11. In 2008, he came second in the Polish Boys Championship U16 in 2008 with 8.5/11, =2nd in 17th International Chess Festival Poznan and won the KS Pocztowiec Poznan Open Championship with 8.5/9. In 2010, he came =4th in the Marienbad Open 2010 - A - GM tournament and won the Polish U18 Boys Championship. In August 2010, he participated in the World Junior U20 Championship scoring 7/13, and a few months later in October he competed in the World Youth Chess Championships 2010 - Open under 18, scoring 6.5/11. In November he regained some ground by scoring 5.5/9 and coming third in the 26th Voivoda Cup in Poland behind IM (soon to be GM) Sethuraman P Sethuraman and GM Vladimir Sergeev. In 2011, Sieciechowicz came =1st in the 21st International Chess Festival in Cracow 2010, Open A (which finished in January 2011) and scored 5/9 in the Tata Steel B 2011 tournament. He was second in the 10th Polonia Wroclaw Open 2015.

Wikipedia article: Marcin Sieciechowicz

 page 1 of 6; games 1-25 of 145  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. N Huschenbeth vs M Sieciechowicz  1-057200717th EU-ch U16 BoysB96 Sicilian, Najdorf
2. L Kuchynka vs M Sieciechowicz  0-1672008EU-ch U16 18thB96 Sicilian, Najdorf
3. M Sieciechowicz vs Haik G Vardanian  ½-½672008EU-ch U16 18thE15 Queen's Indian
4. S Mazur vs M Sieciechowicz 1-0562008EU-ch U16 18thC05 French, Tarrasch
5. M Sieciechowicz vs I Janiashvili  1-0472008EU-ch U16 18thD67 Queen's Gambit Declined, Orthodox Defense, Bd3 line
6. M Janczarski vs M Sieciechowicz  ½-½202008EU-ch U16 18thA14 English
7. M Sieciechowicz vs N Lorand  1-0552008EU-ch U16 18thD34 Queen's Gambit Declined, Tarrasch
8. M Sieciechowicz vs L Bregadze  0-1492008EU-ch U16 18thD38 Queen's Gambit Declined, Ragozin Variation
9. Iturrizaga Bonelli vs M Sieciechowicz  ½-½302009Cappelle la GrandeD11 Queen's Gambit Declined Slav
10. M Sieciechowicz vs I Smirnov  ½-½242009Cappelle la GrandeE15 Queen's Indian
11. M Sieciechowicz vs Y Drozdovskij ½-½292010Cappelle la GrandeD38 Queen's Gambit Declined, Ragozin Variation
12. M Sieciechowicz vs Fedorchuk 0-1392010Cappelle la GrandeE11 Bogo-Indian Defense
13. P Sabuk vs M Sieciechowicz  0-1462010Wroclaw Chess FestivalC07 French, Tarrasch
14. M Sieciechowicz vs M Leks  1-0482010Wroclaw Chess FestivalD27 Queen's Gambit Accepted, Classical
15. M Sieciechowicz vs C Balogh  0-1432010Wroclaw Chess FestivalE20 Nimzo-Indian
16. A Lach vs M Sieciechowicz  0-1512010Wroclaw Chess FestivalB97 Sicilian, Najdorf
17. M Sieciechowicz vs R Markus  0-1562010Wroclaw Chess FestivalE94 King's Indian, Orthodox
18. L Solys vs M Sieciechowicz  1-0252010Wroclaw Chess FestivalD11 Queen's Gambit Declined Slav
19. M Sieciechowicz vs Jaroslav Bures  ½-½342010Wroclaw Chess FestivalD17 Queen's Gambit Declined Slav
20. M Bartel vs M Sieciechowicz 0-1242010Wroclaw Chess FestivalC17 French, Winawer, Advance
21. P Swiech vs M Sieciechowicz  ½-½372010World Junior ChampionshipD47 Queen's Gambit Declined Semi-Slav
22. M Sieciechowicz vs G Botta  1-0422010World Junior ChampionshipE12 Queen's Indian
23. E Safarli vs M Sieciechowicz  0-1472010World Junior ChampionshipC10 French
24. I Saric vs M Sieciechowicz  ½-½382010World Junior ChampionshipC11 French
25. M Sieciechowicz vs M Matlakov  ½-½262010World Junior ChampionshipD85 Grunfeld
 page 1 of 6; games 1-25 of 145  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Sieciechowicz wins | Sieciechowicz loses  

Kibitzer's Corner
Premium Chessgames Member
  Tabanus: IM Marcin Sieciechowicz, Poland, born 27 March 1992. Now rated 2445,

IM in 2010. Several times Polish junior champion.

IM title application:

Bio: (in Polish)


He is now playing (on table 1 for Poland) in the European U18 Team Ch (Pardubice, Czech Republic) 15-21 July 2010:

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