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Queen's Indian, Old Main line, 9.Qxc3 Notation: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3

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
523Koveshnikova Dari...2012Mustafina Svetlan...19311-033 ≣A05Ch Russia (junior...
318Rodriguez Uria Ju...2272Nachon Menendez G...21321-028 ≣E15Ch Asturias (team...
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
638Villa Giorgio (ITA)1983Naumkin Igor (RUS)24800-134 ≣A46It (open)28 Sep 2012
335Chloupek Stanisla...2360Navara David (CZE)22751-040 ≣A05Czech League 1998...
488Stanisic Jelisave...1790Nedeljkovic Radmi...18770-140 ≣A05Ch Belgrade (team...12 Nov 2006
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
476Stock Lara (CRO)2265Negi Parimarjan (...25380-138 ≣A05It (open)25 Apr 2006
225Wilde MartinNeubert Marcus21201-030E15It (open)
315Hernandez Hector ...2065Neumann Han H W M...20911-034 ≣E15Olympiad
260Burmakin Vladimir...2588Neverov Anatoly (...23361-036 ≣A46It (open)
417Tovsanaa Nyamaa (...2281Nguyen Anh Dung (...25300-131 ≣E15Olympiad
355Seres Lajos (HUN)2395Nguyen Anh Dung (...24840-135 ≣E15It (cat.8)
575Pascua Haridas (PHI)2352Nguyen Anh Dung (...25000-139 ≣A46Ch Asia29 Apr 2010
452Pitic Jasmin (SRB)Nonnenmacher Eber...1-037 ≣A46Verbandsliga Bade...10 Oct 2004
104Hort Vlastimil (GER)2600Novak Ervin (CZE)22251-034 ≣E15Ch Czechoslovakia
88Rakovsky EmileNovak Ervin (CZE)22251-039 ≣A05It
483Przezdziecka Mart...2299Nowak Ryszard (POL)21881-034 ≣A46It (open)26 Aug 2006
544Krashenov Valery ...1947Obrezchikov Mikha...19681-020 ≣A46Memorial P.Dubini...07 Jan 2009
187Lagergren HenryOikamo Teijo0-130 ≣A46?
345Rodgaard John (FAI)2320Olafsson Helgi (ISL)22701-040 ≣A15Zt
361Gervasio Ricardo ...2352Olivier Jean-Chri...23931-039 ≣E15Ch France (team) ...
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
160Ullrich Farid-Rao...2154Ostermeyer Peter ...24100-139A05Bundesliga 1981/82
215Ramas CPalmer Tony (USA)22170-139 ≣E15It (open)
507Mizsei Janos (HUN)2096Palotas Peter (HUN)20001-033 ≣E15Tournament (Elo) (a)01 Sep 2007
481Varverakis Kostas1800Panagiotakos Niko...20270-136 ≣A05It (open) \19 Aug 2006
566Blagojevic Dragis...2545Pantic Ivica (SRB)21971-034 ≣E15It (open) \27 Nov 2009
558Quintin Navarro A...2064Pardo Simon David...23210-132 ≣E00Ch Spain (juniors...11 Jul 2009
401Ilincic Zlatko (SRB)2521Paschall William ...23931-023 ≣E15It (cat.10)
571Juhasz Armin (HUN)1977Pataki Zemplen (LUX)18281-031 ≣E15Tournament (Elo) (b)08 Apr 2010
455Popic Simeon (SRB)2089Pavlovic Dragolju...22520-140 ≣E15It (open)26 Nov 2004
309Koval Anton (SVK)2177Pcola Pavol (SVK)24501-035 ≣A40Ch Slovakia (open)
576Also Alvarado Lui...2178Perez Felipe Marc...23080-126 ≣A46Ch Canarias (team)28 May 2010
269Donchenko Anatoly...2435Pestov S (RUS)23601-038 ≣A40It
304Ros Aksel (DEN)2115Petersen Steen (DEN)21500-116 ≣A47It (open) \
321Sylvan Jacob (DEN)2245Petersen Steen (DEN)21401-031 ≣E15It (open) \
138Wright JohnPeterson George1-032 ≣E15It (corr.)
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
67Stahlberg Gideon ...Pfeiffer Gerhard ...1-036 ≣A04It
197Overgaard Christi...2250Pilgaard Kim (DEN)24241-040 ≣A05It (open)
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
58Szabo Laszlo (HUN)1903Platz Hans1-029 ≣A05Memorial G.Maroczy
46Gereben Erno (SUI)2320Pogats Jozsef (HUN)22301-040 ≣A47Ch Hungary
23Filipcic MPoljakov1-030 ≣A46Ch Yugoslavia
112Karpov Anatoly (RUS)2690Pomar Salamanca A...24351-030 ≣A13It (cat.9)
243Kovacs Laszlo M (...2339Portisch Gabor (HUN)23390-136 ≣A40Ch Hungary (team)...
493Pakleza Zbigniew ...2429Praxmarer Christi...21071-033 ≣A05It (open)26 Dec 2006
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
224Crespo Borrego Fr...Prieto Julio1-032 ≣A40It (open)
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
218Manninen Marko (FIN)2377Pulkkinen Kari (FIN)22631-033 ≣E15Ch Club
366Berclaz PhilippeQuaresma EngLuis ...1-035 ≣E15Ch World (e-mail)...
367Lima EmmanuelQuinzio Martin Ja...1-035 ≣A15Ch Argentina (jun...
484Easton Alex (SCO)2122Radovanovic Jovic...23311-030 ≣A05Ch England (team)...16 Sep 2006
107Padevsky Nikola (...2355Radulov Ivan (BUL)23061-031 ≣A05Ch Bulgaria (play...
334Estrada Martinez ...2165Ramirez Allo Edua...22550-135 ≣E15It (open)
565Lovik Lasse Osteb...2296Ramos Vasco Migue...18621-032 ≣A46Ch World (juniors...23 Oct 2009
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
149Dydyshko Viachesl...2450Ravisekhar Raja (...24200-140 ≣E15It (cat.7)
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
163Gonzalez Trelles ...Reglero Andres1-033 ≣A47Ch Asturias (team)
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
593Demensky Evgeny (...2220Riabov Alexander ...20721-039 ≣A46Ch Kuzbass23 Oct 2010
585Kolosovskiy Danil...1927Riabov Alexander ...20721-018 ≣E15Tournament (open)28 Jul 2010
601Feofanov AndreiRiabov Alexander ...20810-127 ≣A05Ch City24 Feb 2011
617Asfora Marco (BRA)2219Ribeiro Orlando A...19191-036 ≣A46Memorial J.Capabl...19 Nov 2011
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
127Barlov Dragan (SRB)2458Ristic Nenad (SRB)24201-033 ≣A46It
234Fischer Andre Kla...2227Rist Manfred (GER)22130-133 ≣A40Ch Oberschwaben
130Segal Alexandru S...2395Rocha Antonio (BRA)23001-039 ≣E15Ch Brazil
328Lopushnoy Denis (...2385Rodionov Adil (KAZ)23531-037 ≣A05Cup Russia (open)
217Unrath Heiko (GER)2216Roemer Ulrich (GER)22920-138 ≣A46Bundesliga 1990/9...
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
625Severina Maria (RUS)2185Romanova Inna (BLR)22600-140 ≣A40Cup Rector (w)26 Mar 2012
505Melnichuk Mikhail...2252Romanov Vladimir ...22581-036 ≣E15Cup Independence ...22 Aug 2007
532Stockhaug Jon Arne1682Rosenkilde Alexan...21640-137 ≣A05It (open) \19 Jul 2008
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
211Zlotnik Boris A (...2433Rozentalis Eduard...25051-034 ≣E15It (open)
249Kanzaveli VitalyRunning Jeffrey1-015 ≣A05It (open)
356Perez Juan M (CUB)2239Sabater A1-039 ≣E15Ch Spain (team) (...
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
462Hammar Ulf (SWE)2156Sagit Ranan (SWE)22430-135E15Ch Sweden (juniors)
210Korchnoi Viktor (...2655Salov Valery (RUS)26450-137 ≣A05Cup World
426Bozilov Novica (SRB)2023Samardzija Zeljko...19430-132 ≣E15It (open) \
626Markovitz Neil (AUS)2059Sandler Leonid (AUS)22840-121 ≣A05Cup Doeberl08 Apr 2012
122Ivkov Borislav (SRB)2515Santos Luis (POR)23571-040 ≣A05Zt
379Monterde Angel LuisSanz Arilla Luis ...21320-136 ≣A46Cup Zaragoza05 Dec 1999
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
408Tosic Miroslav (SRB)2495Savic Miodrag R (...24640-140 ≣A05Ch Yugoslavia
514Mihic Bojan (SRB)2377Savic Miodrag R (...25390-136 ≣A05Cup Belgrade (open)30 Nov 2007
10Najdorf Miguel (POL)2445Schaechter Izaak1-035 ≣A47Ch Poland
454Mol Christiaan (NED)2013Scharft Johan1-019 ≣A40It (open) (b)16 Oct 2004
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
216Sandkamp Ralph (GER)2307Schlenga Klaus0-127 ≣E15Bundesliga 1989/90