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Irregular Openings a3, a4, b3, b4, c3, d3, e3, f3, g3, g4, h3, h4, g3, g4, Na3, Nh3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
806Bertholee Arjuna277Beukema Constantijn3510-113A00Ch Netherlands (o...11 Aug 2012
734Happel LucNguyen Vanessa6860-111 ≣A00Ch Hessen (junior...
530Willemsen Anne976Van Stapele Tibor8041-09 ≣A00It (open) (junior...09 Aug 2007
485Pritschow JuliaDraeger Julian9980-19A00Tournament (junio...15 Oct 2005
874Sanders, T.1031Van Looijengoed, E.10151-030A00IECC O email21 Aug 2000
813Matias Quintana J...1200Del Toro Gonzalez...12050-111A00Memorial Joseito ...01 Sep 2012
721Varga Hynek1100Ta Quoc Hoang12500-113 ≣A00Czech League 2010...27 Nov 2010
692Hanzlik Tomas1561Kubat Martin12501-015 ≣A00Czech League 2009...24 Apr 2010
868Schmidt, P.1503Von Wegerer, A.12631-029A00Bad Sooden-Ad' (2...29 Apr 2005
550Dittrich Jacqueline1630Steinbach Nina12851-09 ≣A00Ch Baden (juniors...03 Jan 2008
792Castro Gomez Seba...Beltran Daniel Fe...13030-110 ≣A00Tournament (junio...
516Humeau Cyril (FRA)2159Alesandrini Pierre13101-010A00It (open)
814Sandu Bogdan1200Araujo Rodriguez ...13200-115 ≣A00Memorial Joseito ...02 Sep 2012
531Willemsen Anne976Hartog Frank13370-113 ≣A00It (open) (junior...10 Aug 2007
807Erazo Trujillo Cl...1600Marulanda Leon Ju...13390-18 ≣A00Tournament (open)18 Aug 2012
421Wilke Hans-Peter1544Friese Kevin13621-012 ≣A00It (open) (junior...22 Jun 2002
811Ostrowski Michal1418Krupecka-Czarkows...13641-011 ≣A00Tournament (open)
673Petrovska Michaela1000Kostelecky Daniel14090-115 ≣A00Czech League 2009...28 Nov 2009
724Dimitrov Radoslav...2388Pavlidis Pavlos14111-015 ≣A00It (open)13 Dec 2010
426Kosten Anthony C ...2545Le Heurt Samuel14201-013 ≣A00Simultan07 Nov 2002
474Kurnatowski Vitali1354Makhlin Maxim14221-011 ≣A00Ch Hessen (junior...
460Eberlein Johann (...1932Majewski Dennis14311-011 ≣A00It (open) \23 Aug 2004
656Leon Manas Jose F...1706Marrero Ruiz Pablo14321-010 ≣A00Tournament (open)24 Sep 2009
395Waddington Michae...2235Girod Bernard14401-015 ≣A00It (open)
684Donzella Emanuele...1819Sparice Lorenzo14521-010 ≣A00It (open)11 Feb 2010
798Acosta Diaz Camil...Mercado Pena Jorge14770-19A00Tournament (junio...15 Jun 2012
809Cruz Vera JavierGonzalez Diaz Eus...14851-015 ≣A00Tournament25 Aug 2012
815Mittelstaedt Joel1715Wilhelm Rostyslav...14911-07 ≣A00Ch Germany (junio...12 Sep 2012
877Heidfeld, C.1279De Mol, F.14960-130A00Bad Sooden (29.04...05 May 2003
398Prini RobertoPalimento Paolo15000-112A00Ch Provinciale CO16 Feb 2001
468Barnack Gerd (GER)2011Norris Ray15171-014 ≣A00Ch Chess Club19 Jan 2005
575Mahomed NaeemTan Kwang Shing B...15200-114A00Ch World (schools...24 Jul 2008
470Petit Christian1770Moret Florian15301-09 ≣A00Ch France (team) ...07 Feb 2005
702Berkov Mikhail (GER)1787Weis Olga (GER)15311-06A00Ch Germany (junio...28 May 2010
455Le Rose GennaroLevato Biagio (ITA)15450-115A00Memorial Leonardo...26 Apr 2004
322Gicquel Frederic ...2075Chapelain Florent15601-014 ≣A00It (open)
795Rumi Vasquez Pier...Huaranca Espinoza...15640-112 ≣A00Tournament (open)04 May 2012
618Loccisano VincenzoZampaglione Davide15720-115A00Ch Provinciale RC22 Feb 2009
297Mokhtari EdouardKneib Jean-Marie ...15840-114 ≣A00It (open) (c)
515Stepniewski Jerzy...1872Szczecina Kamil (...15981-010 ≣A00Tournament (open) \12 Feb 2007
622Matta Paola Andre...2046Riazcos Guillermo16001-07 ≣A00Tournament (regio...21 Mar 2009
669Lastovicka Jan (CZE)1535Skalicky Tomas (CZE)16070-115 ≣A00It (open)19 Nov 2009
701Oberling Mario (GER)1767Moeller Dirk (GER)16161-011 ≣A00Tournament \20 May 2010
513Haisma HenkOude Brunink Elia...16281-015 ≣A00It (open) (mini)27 Dec 2006
502Stepniewski Jerzy...1834Wojtyla Tymoteusz...16311-012 ≣A00Tournament (open)20 Jul 2006
632Schoenegg Rolf (GER)1942Stuska Premysl16361-013 ≣A00It (open)02 May 2009
636Faraoni Enrico (ITA)2088Marchesotti Giova...16431-013 ≣A00It (open)09 May 2009
548Djukic Milorad (SRB)2085Stankovic Stanoje...16661-08 ≣A00Cup Belgrade (open)30 Nov 2007
375Bjarnason Oskar (...2189Dittler Volkfried...16771-07A00It (open)
528Brondum JanZmylon Frederik N...16790-113 ≣A00It (open) \23 Jul 2007
799Angeles Rodriguez...Vergara Pastor Jo...16820-110 ≣A00Tournament (open)15 Jun 2012
650Voronin VictorAgapchev Andrey (...16861-08 ≣A00Tournament (open) \30 Aug 2009
549Scholz Robert (GER)1776Bielick Jacob16881-06 ≣A00It (open)29 Dec 2007
425Plantet Marc (FRA)2088Winckel Fabrice (...16891-015 ≣A00Tournament25 Oct 2002
704Morokov Anatoliy ...1784Sukiasyan Artem (...16901-07A00Tournament (open)17 Jun 2010
774Stichlberger Mart...2170Kopinits Silvia (...16921-06 ≣A00It \24 Oct 2011
542Mayana Cordeiro M...1800Santana Coelho Ra...16950-19 ≣A00It (open)21 Oct 2007
712Feofanov Alexande...1750Ledovskih Viktor ...16970-112 ≣A00Ch Chess Club07 Aug 2010
714Accardo Francesco...1870Sgammato Francesc...16981-013 ≣A00Tournament (open)01 Oct 2010
428Curcio Carmelo1650Pouilley Michel17100-111 ≣A00corr.
683Barnack Gerd1808Junghaenel Dieter...17171-08 ≣A00Ch City (seniors)10 Feb 2010
526Oledzki Adam (POL)1889Flisik Pawel (POL)17180-114 ≣A00It (open) (b)14 Jul 2007
761Dietze Otto (GER)1781Appel Juergen17200-115 ≣A00Ch Germany (seniors)11 Aug 2011
682Bolgov LeonidKazantseva Natali...17280-114A00Tournament (open)25 Jan 2010
271Baxa Ottokar1391Dahmen Juergen (GER)17320-110 ≣A00It (open)
242Hoelldorfer August1607Behmel Fred17350-111 ≣A00Ch Bayern (senior...
661Leon Manas Jose F...1706Arencibia Jimenez...17360-115 ≣A00Tournament (open)29 Oct 2009
643Alvarez Pedraza A...2460Losada Gallego Jo...17391-015 ≣A00It (open)07 Jul 2009
586Bras Emanouel (GRE)2015Vlahakis Georgios...17401-013 ≣A00It (open)24 Aug 2008
504Farajov NidshatHiebler Laura (AUT)17441-011 ≣A00It (open) (junior...
746Krefenstein Serge...2025Struk Thaddaeus (...17451-014 ≣A00Ch Berlin (qual)23 Apr 2011
689Miniszewski MarianZapasnik Henryk17460-112 ≣A00Ch Poland (team) ...22 Mar 2010
535Eigenmann Peter1356Lenhart Erich17550-16 ≣A00Ch Schleswig Hols...30 Sep 2007
532Savchenko Alexand...2263Zabgaeva Marina (...17681-015 ≣A00Memorial E.Geller...08 Sep 2007
507Ozturk MustafaCanbulan Arda (TUR)17690-115 ≣A00It (open)13 Aug 2006
768Achtmann ArminTraut Stefan (GER)17761-014 ≣A00It \27 Aug 2011
607Feofanov Alexande...1778Bereziy Petr (RUS)17941-015 ≣A00Ch City (1/2 final)23 Nov 2008
718Souza Deyrleson d...1800Da Cruz Jose Augu...18000-110 ≣A00Ch Paraense23 Oct 2010
540Patricio Bezerra ...1800Jannes Siqueira R...18000-110 ≣A00It (open)19 Oct 2007
454Cassini Carlos H B1800Luchi Julio T18001-011A00Tournament (open)10 Apr 2004
796De Lima Junior An...Volkmann Andre Jordi18000-19A00Ch Brazil (junior...11 May 2012
539Keiko Reis Minaga...1800Augusto Liborio d...18000-115 ≣A00It (open)19 Oct 2007
717Da Silva Luan Vieira1800Souza Deyrleson d...18000-17 ≣A00Ch Paraense23 Oct 2010
716Mukhamadeev Razit...2088Antonov Vasiliy (...18021-015 ≣A00Ch SibFO (seniors)13 Oct 2010
588Stepniewski Jerzy...1810Niezgoda Boleslaw...18050-111 ≣A00It (open) (seniors)01 Sep 2008
708Glasunov Johann1769Heinrichs Ralf (GER)18071-015 ≣A00It (open)09 Jul 2010
660Rodrigues Pereira...1851Aguiar Brito Gabr...18080-114 ≣A00Tournament10 Oct 2009
773Cardozo Carlos Ed...1911Gomez Calderon Va...18151-012 ≣A00It (team)17 Oct 2011
569Wiszniowski Eugen...1795Kwiek Janusz (POL)18150-111 ≣A00It (open) (seniors)02 Jul 2008
611Roch Johann1004Heckel Christophe...18180-115 ≣A00Ch Oberfranken (j...04 Jan 2009
605Chica David AntonioMora Jose Antonio...18220-113A00Tournament \13 Nov 2008
393Horsak AntoninStastny Pavel (CZE)18261-014 ≣A00It (open) (b)
610Mileo Miguelito1638Rizzuti Pasquale ...18260-18 ≣A00It (open) (b)03 Jan 2009
662Roumeliotis Angel...1858Asvestopoulos Hri...18271-07 ≣A00It (open) \
525Zavacky Peter (CZE)2108Edes Zsofia (SVK)18291-015 ≣A00Ch Slovakia (open)10 Jul 2007
565Radwan Jan (POL)1694Kowalski Janusz (...18311-08 ≣A00It (open)29 May 2008
705Kondratiev Denis ...1977Fedoseeva Valenti...18321-06 ≣A00It (open) \22 Jun 2010
493Schuchardt Wolfgang1691Winkler Karl-Hein...18381-010 ≣A00Landesliga (2nd) ...29 Jan 2006
732Leon Acosta Migue...1844Antunez Munoz Jua...18391-08 ≣A00Ch Andalucia (jun...26 Mar 2011
793Garceran Nieuwenb...Chan Chak Man (HKG)18431-015 ≣A00Ch Hong Kong23 Apr 2012