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Sicilian, Boleslavsky Variation, 7.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3

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
275Moreno Mestre Jul...2090Rodes Apilluelo J...20160-132B33It (open)
429Morales DaysiLievano Luis (ESA)21050-123 ≣B33It (open)
99Morales Calvino M...1701Martin Del Campo ...24550-132 ≣B54It
385Montilla Carrillo...2296Hermesmann Hans (...22870-131 ≣B33It (open)
95Molvig Henrik (DEN)2195Thorsteins Karl (...24450-131 ≣B33It (open)
33Mollekens JBlau Max (SUI)23700-125 ≣B33Olympiad
64Mohiuddin GLamford Paul A (WLS)0-120 ≣B33Olympiad
258Mohd Hussein JamilDadashzadeh K (IRI)21280-127 ≣B33Ch Asian Cities (...
219Mogranzini Robert...2439Computer \1-022 ≣B54Match
314Mladenovic Jelica...2019Tkeshelashvili So...22840-127 ≣B33Ch Europe (junior...
395Mladenovic Jelena...2168Vranesevic Danica...20611-022 ≣B33Ch Yugoslavia (w)
741Miroi Robert-Andrei1817Radulescu Vlad-Al...18360-127 ≣B54Ch Romania (junio...08 Apr 2012
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.
370Milovanovic DraganKrush Irina (USA)24110-130 ≣B54Ch Amateur Team
103Micic Jordanka (GER)2334Micic Snezana (SRB)21511-032 ≣B54Ch Yugoslavia (w)
133Miannay Michel (FRA)1752Badii Madjid (FRA)21920-126 ≣B33It (open)
606Merta Vlastimil (...1944Gil Karel (CZE)19790-129 ≣B33Czech League 2008...22 Mar 2009
586Mendonca PauloShumyatsky Victor...20630-125 ≣B33Ch Brasiliense (f...15 Oct 2008
477Melzer Georg1743Schiewer Robert19420-125 ≣B33Landesliga 2004/0513 Mar 2005
560Mayer Istvan (HUN)2136Mester Attila (HUN)21161-028 ≣B54Tournament (Elo) (a)11 May 2008
471Matonoha Ctirad (...2017Vrnata Jiri (CZE)20921-027 ≣A04It (open) \
299Mas Artigas Pere ...2120Smirnov Sergei (RUS)22490-124 ≣B33Ch Europe (for th...
79Martorelli Antoni...2305Sanna1-025 ≣B33?
743Martic Slavko (CRO)2014Martinovic Sasa (...25040-131 ≣B33It (open)09 Jun 2012
270Marteau Yann (FRA)2157Kosten Anthony C ...25150-123 ≣B33It (open)
289Marteau Yann (FRA)2210Dens Cedric (FRA)20621-029 ≣B33Ch France (junior...
357Marre Erwan (FRA)2009Stoenescu Radu (FRA)21750-129 ≣B33Ch France (team) ...
725Markos Adam (HUN)1935Ugroczky Peter (HUN)16881-025 ≣B54Ch Hungary (junio...05 Nov 2011
665Markiewicz Czesla...1953Markiewicz Jerzy ...22950-125 ≣B54Cup Omega03 Jun 2010
409Markantonaki Hari...2059Polyzou H16851-022 ≣B33Ch Greece (junior...28 Apr 2002
330Marinescu Emilian...2070Mosnegutu Mariana...22320-128 ≣B33It (open) \
317Marineau RemiDoire Daniel1-024 ≣B54Tournament \
728Marchadour Emilie...2022Auvray Honorine (...17381-022 ≣B33Ch France (team) ...11 Dec 2011
484Marcek Jan (SVK)1997Biros Robert (SVK)22020-132 ≣B54It (open)10 Sep 2005
611Maravic Stjepan (...2203Zecevic Dean (CRO)22131-024 ≣A43Ch Croatia (team)...26 Apr 2009
5Malik Jan (CZE)2352Koutnik J1-028 ≣B33It (b)
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
490Malamatas Konstan...1976Tassopoulos Mario...22230-128 ≣B33It (open)
532Makosa Sylwia (POL)1862Kowalska Elzbieta...19490-122 ≣B33It (open) (b)25 Jul 2007
282Majul Isolina (COL)2088Villegas John19201-028 ≣B54Tournament
334Maduro Sherman (AHO)2230Ahmad Aziz (IRQ)23430-123 ≣B54Olympiad
414Macharacek Simon ...2209Firt Stanislav (CZE)23531-024 ≣B54Moravian League 2...
455Macharacek Simon ...2209Gutman Gennadi (UKR)25080-132 ≣B54It (open) \
177Mach Anton (SVK)Stefan Oldrich (SVK)19720-126 ≣B54Ch Slovakia (team...
599Maassen Hermann (...1844Schaefer Michael ...21570-119 ≣B33It (open)05 Mar 2009
718Lyashenko Anna (RUS)Sichinskaya Anast...1-027B33Ch City (w) (open)
714Luzi Alessandro1920Spano Cuomo Gaeta...18051-027 ≣B33It (open)22 Aug 2011
38Lundin Erik (SWE)Santesson Kjell1-020 ≣B33Ch Sweden
410Lundberg Gunnar (...1985Tschirky Werner (...17201-030 ≣B54Ch World (seniors)
158Lugo Sanchez (SVK)Eordeogh S1-028 ≣B54It (open)
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
328Lopez Yurima (CUB)2093Cruz Katia1-030 ≣B33Ch Cuba (juniors)...
366Lopes Raul (POR)1891Lameira Dinis (POR)20450-121 ≣B54Ch Lisbon
351Llobet Reus Joan ...2069Fernandez Pintado...20321-031 ≣B53It (open) \
19Ljuboschitz Alexa...2172Boleslavsky Isaac...25600-127 ≣B33Ch URS (1/2 final)
137Ljubic Pero (CRO)2102Kerschenbauer Fra...20060-125 ≣B33It (open) (b)
46LittrellHulse Brian (USA)21551-021 ≣B33It \
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
397Lisanti Andre (GER)2284Armbrust Florian ...21931-025 ≣B54Ch SBRhH
131Lindri Juni Wijay...2155Nutu-Gajic Dana (...23500-128 ≣B53Olympiad
168Lindri Juni Wijay...2155Hernandez Yudania...22840-131 ≣B54Olympiad (w)
621Lima Luiz Alexand...2004Barreto Filho Car...22570-121 ≣B54Tournament (open)12 Jun 2009
332Lillipuu OlevKemppainen Tuomo0-129 ≣B33Ch Finland (team)...
384Lewis James E (DOM)2246Finegold Benjamin...25510-129 ≣B33It (open)
313Lewis James E (DOM)2206Fernandez John C ...21561-023 ≣B54It (open) \
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
432Le Trong Bac (VIE)Tran Nguyen Bao (...0-132 ≣B33Ch Vietnam (junio...
656Le Thanh Tai (VIE)1825Ton That Nhu Tung...22430-124 ≣B33Ch Vietnam26 Mar 2010
293Lesiege Alexandre...2553Berthelot Yannick...22811-024 ≣B30It (cat.8)
730Leresche Samuel (...1990Raetsky Alexander...24600-128 ≣B33It (open)26 Dec 2011
58Leppala JussiTrepp Markus (SUI)23750-125 ≣B33Ch Denmark (juniors)
184Lengyel Bela (HUN)2425Feher Gyula (HUN)24150-132 ≣B33It \
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
325Leite Eduardo S (...2210Chemin Vitorio (BRA)23090-118 ≣B33Ch Brazil
428Lecoq Julien (FRA)2075Estremera Panos S...23770-114 ≣B33It (open)
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
510Lazovic Branko (SRB)1994Pavlovic Dragolju...22460-131 ≣B33Ch Belgrade (team...29 Sep 2006
375Layton MVan Ingen T0-128 ≣B33It (open) (b)
634Larusson Agnar Da...1752Sigurdsson Sverri...20130-132 ≣B54Ch Iceland (cand.)03 Sep 2009
310La Rocca MarkIvanov Alexander ...25150-129 ≣B54It (open)
26Lantsias AndreasPachman Ludek (GER)22780-126 ≣B33Olympiad
278Langrock Hannes (...2105Ebel Tobias1-013 ≣B33Ch North Germany ...
601Lang Ferdinand (GER)2156Santl Anton (GER)21310-125 ≣B33It (open)09 Mar 2009
261Lange Peter (GER)2076Wiedersich Jens (...21390-131 ≣B32Oberliga Northeas...
377Lancianese Giusep...1723Campanini Ambrogio1-028 ≣B33Ch Provinciale CO23 Feb 2001
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
679Lagarde Dimitri (...1674Nadiradze Anton1-029 ≣B33Ch Europe (junior...28 Sep 2010
548Labedz Patrycja (...1992Orzechowski Micha...16221-031 ≣B54It (open)18 Jan 2008
616Laarhoven Thijs (...2222Brandenburg Daan ...24630-126 ≣B33It (open)
578Kyas Philipp (GER)1889Chmielewski Jakub...17481-030 ≣B54Ch European Union...08 Aug 2008
90Kwiecien Zbigniew...2139Rossmann Helmut (...22641-025 ≣B54It
749Kuzmin Egor (RUS)2134Bazeev German (RUS)23080-132 ≣B33Memorial M.Botvin...30 Aug 2012
747Kuzairov OlzhasShadykul Darkhan1-023 ≣B54Tournament (open) \06 Aug 2012
98Kuutti LauriTorkkola Simo0-132 ≣B54It (open)
576Kuteneva Galina (...1915Nikolaev Alexande...19860-132 ≣B54Tournament (open) \04 Aug 2008
387Kurochkin Victor ...2415Baklan Vladimir (...26050-128 ≣B54Ch Russia (club)
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
482Krstic Uros (CRO)2350Martin Stefan (GER)22731-030 ≣B33It (open)