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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
643Alvarez Pedraza A...2460Losada Gallego Jo...17391-015 ≣A00It (open)07 Jul 2009
904Grob, H.2440Lotz M0-134A00Europe Tournament...
739Pereira Igor GabrielLucas dos Santos ...0-17 ≣A00Ch Brazil (junior...
789De Lucena Neto Jo...Lucena Helianto D...19220-114A00Memorial Bobby Fi...09 Mar 2012
454Cassini Carlos H B1800Luchi Julio T18001-011A00Tournament (open)10 Apr 2004
670Matveenko Yury (RUS)2127Lukovnikov Alexan...23500-113 ≣A00Ch Region (seniors)22 Nov 2009
918Kosintseva, N.2262Lysova, O.22561-036A00RUS Ch U20 Girls
103Wollenweber Carst...2112Maass Joerg (GER)21651-014 ≣A00It (open)
1Napoleon IMadame De Remusat1-014A00?
442Moehring Norbert ...2130Mader Sascha (GER)20700-111 ≣A00It (open)
429Hocquemiller Pascal1570Maillot Fabien (FRA)20200-113A00corr.
381Mieli Marcello (SUI)2074Majeric Zoran (CRO)23330-113 ≣A00Ch Hungary (team)...
460Eberlein Johann (...1932Majewski Dennis14311-011 ≣A00It (open) \23 Aug 2004
474Kurnatowski Vitali1354Makhlin Maxim14221-011 ≣A00Ch Hessen (junior...
170Tsirkas HMakropoulou Marin...22070-114 ≣A00It (open)
35NillesMalevinsky Alexan...23500-114 ≣A00Tournament (team)
294Jules Matthieu (FRA)2019Mallassagne Franc...21630-112 ≣A00It (open) (b)
2Zannoni FMaluta C0-114 ≣A00?
818Fernandez, A.Manca, F.23500-18A00Blunder
412Kukel Imre (SVK)2251Manik Mikulas (SVK)24310-114 ≣A00Ch Slovakia (open...
199Levadi DMankiewicz Ryan0-114 ≣A00It (open) \
284Moffatt AndreManouck Thierry (...22300-110 ≣A00It
636Faraoni Enrico (ITA)2088Marchesotti Giova...16431-013 ≣A00It (open)09 May 2009
154Schall Alain (FRA)2255Mariette Christia...21001-011 ≣A00Ch France (team)
620Borja Martinez YamitMarin Juan C0-17 ≣A00Tournament (junio...
725Akhalkatsi LMaris Ioannis (GRE)20080-18A00It (open) \04 Jan 2011
937Perez de Tudela P...Mari Valerio, J.1-038A00De Navidad de Sil...24 Dec 2002
472Golja Radovan (SLO)2082Markovic Alen (CRO)20900-115 ≣A00It (open)22 Mar 2005
846Neumann, A.2470Markus, R.25860-123A00DESC E0178 email
503Garcia Perez Ramo...1872Marques Serra David1-07 ≣A00It (open) (b)25 Jul 2006
656Leon Manas Jose F...1706Marrero Ruiz Pablo14321-010 ≣A00Tournament (open)24 Sep 2009
91Lambiris AthanasiosMartidis Alkis (CYP)21880-115 ≣A00It (open) \
899Garcia Fernandez, C.2459Martin, B.24350-133A00La Patrona Open
361Osuna Osuna Franc...Martin Martin Lau...20040-113 ≣A00It (open)
335Eisenhauer Erik1062Martin Mike (GER)21091-08 ≣A00Ch Rheinhessen (o...
807Erazo Trujillo Cl...1600Marulanda Leon Ju...13390-18 ≣A00Tournament (open)18 Aug 2012
318Natter Markus (AUT)2100Marzari Adalbert19901-013 ≣A00Landesliga 1999/00
256Sigaev AlexejMashtagov1-011 ≣A00It (open)
830Memekidou, R.Mastrovasilis, D.25590-117A00Komotini GP
329Bobu Ionel-Adrian...2210Matei Viviana1-013 ≣A00It (open) \
924Schmidt, P.2410Mattern, M.0-137A00Bahn-chG
63Makowski ZbigniewMatuszczak Mieczy...1-012 ≣A00?
293Lind Bengt ArneMayer Joachim (GER)21400-110 ≣A00?
935Solomon, S.2450McKinnon, D.1-038A00Queensland Ch
629Bolivar Jhon JairoMejia Pedro0-113 ≣A00It (open)26 Apr 2009
487Vasiukova Renata ...1983Melnik Galina (RUS)20710-115 ≣A00Ch Russia (senior...28 Nov 2005
798Acosta Diaz Camil...Mercado Pena Jorge14770-19A00Tournament (junio...15 Jun 2012
834Grob, H.2440Merten0-119A00xix/10
99Gross WilhelmMerten Rainer0-114 ≣A00Match
117Gross WilhelmMerten Rainer0-115 ≣A00Match
96Bierbach Utz-Frie...1990Mertens Klaus (GER)20641-011 ≣A00corr.
715Hotak Marian (SVK)2047Mesaros Jan (SVK)18871-013 ≣A00It (open) \06 Oct 2010
770De Andrade Daniel...Mesquita Lopes Da...1-06 ≣A00Olympiad (nationa...11 Sep 2011
372Martinez Penalver...2197Mestieri Gabriel1-013 ≣A00Ch Tarragona
867Jones, C.2567Mesucmeni, J.1-028A00Belconnen Club Ch
481Heijster GerardMeuleman Karlijn0-110A00It (open) (junior...12 Aug 2005
87Scheil DietrichMeystre G1-07 ≣A00corr.
589Marszalek Jakub (...1686Michalak Leonard1-014 ≣A00It (open)02 Sep 2008
558Laczmanski RafalMielimaczka Piotr1-012A00Ch Wojska Polskiego11 Mar 2008
304Rosa AlinMihaltan Mihai1-010 ≣A00Tournament (team)
177Petrik Karol (SVK)2082Mikita Jozef (SVK)23631-011 ≣A00It (open)
635Zahariev DeyanMilchev Miroslav ...22000-110 ≣A00It (open)09 May 2009
731Sapareva Magdalen...1649Milenov Martin1-015 ≣A00Memorial Dimitar ...03 Mar 2011
492Dommersnes BrettMiles Alexander0-113 ≣A00Ch Australia (jun...
543Gauthier Laurent ...1526Milov Vadim (SUI)26800-114A00Ch Europe (blitz)25 Oct 2007
323Cliteur Olaf (NED)2033Mirani Robbert1-015 ≣A00It (open)
330Acevedo Diana (ARG)Mitchell Dave1-014 ≣A00Ch Argentina (jun...
164Neelakantan Naray...2230Mithrakanth Poorn...23351-015 ≣A00It (open)
647Klein Peter (SVK)2054Mladenov Andrey1-011 ≣A00It \19 Jul 2009
701Oberling Mario (GER)1767Moeller Dirk (GER)16161-011 ≣A00Tournament \20 May 2010
784Erdal Boe DavidMolina Rosa Cecilio0-114 ≣A00Tournament (open)03 Jan 2012
333Lelong Eric (FRA)1966Molnar Bela (HUN)23490-112 ≣A00It (open)
89Van Der Berg CMommersteeg J0-114 ≣A00corr.
537Chen HaoMontalban Salar D...0-111 ≣A00It (open) (junior...
605Chica David AntonioMora Jose Antonio...18220-113A00Tournament \13 Nov 2008
431Gonzalez Lopez Vl...Moran Fernandez F...0-113 ≣A00Ch Asturias
536Bridge SamMoreno Segovia Tania0-17A00It (open) (junior...
470Petit Christian1770Moret Florian15301-09 ≣A00Ch France (team) ...07 Feb 2005
191Patrick MarkMotschenbacher Von0-19A00It (open)
44Kleinke UweMueller KH1-09 ≣A00corr.
216Mitschnigg MonikaMueller Simon1-010 ≣A00It (open)
18Neuhof KMulder Van Leens ...0-115 ≣A00Europe Tournament...
245Straka Zdenek (CZE)1981Muller Milos1-014 ≣A00Ch Czech Republic...
265Alvarez Ibarra Ra...2395Munoz Ana1-013 ≣A00Ch UNACAR
289LangerMuse Drazen (CRO)23100-115 ≣A00It \
116WallNadworny1-015A00corr.
722Schmidt Paul F (EST)Nakamura Hikaru (...27330-113 ≣A00It (blitz) \27 Nov 2010
651Lima Enivaldo Mar...Nascimento Felipe...1-06A00Ch Brazil (juniors)05 Sep 2009
296Krajnak Martin (SVK)2305Navara David (CZE)22750-114 ≣A00It (cat.3)
593Brito VictorNavarro Johan Andres0-16 ≣A00Tournament (for t...
410Alanic Mickael (FRA)2062Nay Roger (FRA)21970-19 ≣A00It (open)
400Rylov Vjacheslav ...1970Nazarenko Yuri (RUS)1-015 ≣A00Ch Russia (for th...07 Sep 2001
232Vitor Antonio (POR)2225Negrao A1-012 ≣A00Ch Portugal (juni...
234Csehi TNemesvolgyi Istvan0-114A00It (open)
927Dorfman, J.2605Nemirovski, S.22651-037A00Game from a chess...
865Neumann, A.2470Neumann, A.24700-128A00DVMi U15
934Siebrecht, S.2325Neverov, A.24850-138A00Berliner Sommer
422Nguyen Thuy VyNguyen Hong Phuc ...0-18A00Ch Vietnam (junio...27 Jul 2002
579Pham Quoc KhanhNguyen Luong Hung0-115 ≣A00Ch Vietnam (junio...04 Aug 2008
572Nguyen Minh PhuongNguyen Manh Tan0-19 ≣A00Ch Vietnam (junio...06 Jul 2008