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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
204Voronov AJaderholm Bo (FIN)18790-131 ≣E15Europe Tournament...
242Pelter Yehuda Z (...2007De Jager Jaap (NED)23950-127 ≣A40Tournament (a)
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
201Nika Katerina (GRE)2031Glaz Lena (ISR)22000-140 ≣A05Olympiad (w)
229Kardys Zbigniew (...1992Gizynski Tomasz (...23310-136 ≣A05Ch Poland (team)
239Bornemann Wolfram...2258Lieb Harald (GER)21910-127 ≣E15Bundesliga 1991/92
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...
149Dydyshko Viachesl...2450Ravisekhar Raja (...24200-140 ≣E15It (cat.7)
175Kristensen Frank ...1972Shaltis V0-131 ≣A05Cup Baltic (corr.)
200Medar Zeljko (SRB)2219Laketic Gojko (SRB)24000-132 ≣A05It (open)
210Korchnoi Viktor (...2655Salov Valery (RUS)26450-137 ≣A05Cup World
227Herrmann Michael ...2242Lieb Harald (GER)21910-127 ≣A05Bundesliga 1990/9...
235Neme JorgeInchausti Pablo0-122 ≣A05It (open) \
238Bolding Klaus (FRA)2246Aagaard Jacob (SCO)22500-125 ≣A05Ch Denmark (qual)
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
146Misojcic Miroslav...2242Jovicic Milos (SRB)23310-125 ≣A46It29 Mar 1980
160Ullrich Farid-Rao...2154Ostermeyer Peter ...24100-139A05Bundesliga 1981/82
171Husek Zdenek (SVK)2033Franzen Jozef (SVK)23800-127 ≣A46Ch Slovakia
186Toma Dana (ROM)2064Kaniansky Mirosla...21990-133 ≣A47Memorial Dr. Lang...
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
208Van Hasselt AHaring0-126 ≣E15corr.
209Heller MartinSeeck Klaus (GER)21460-138 ≣A46Ch Schleswig Hols...
215Ramas CPalmer Tony (USA)22170-139 ≣E15It (open)
220Deantoni Veronica...2005Mills Natalie (AUS)20290-140 ≣E15Olympiad
232Rowson Jonathan (...2581Garrido Fernandez...22290-133 ≣A46Ch World (juniors)
234Fischer Andre Kla...2227Rist Manfred (GER)22130-133 ≣A40Ch Oberschwaben
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
237Zaja Ivan (CRO)2483Susnjar Miroslav ...21990-136 ≣E12Ch Croatia (team)...
109Dorfman Iossif D ...2380Gulko Boris F (USA)24800-138 ≣A17Ch URS
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
141Stoll Joachim (GER)2230Hartmann Wolfram ...22440-136 ≣A47Bundesliga 1980/81
144Stigar Petter (NOR)2298Danielsen Henrik ...25430-132 ≣E15Ch Denmark (juniors)
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
216Sandkamp Ralph (GER)2307Schlenga Klaus0-127 ≣E15Bundesliga 1989/90
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
170La Tanza EColombo Alberto (...20900-136 ≣E15Ch Italy
180Orr Mark J L (IRL)2365Klinger Josef (AUT)19810-135 ≣A05Olympiad
184Wheeler Mark (ENG)2295Levitt Jonathan (...23950-136 ≣E15It (open) \
189Mack Peter (GER)2305Andruet Gilles (FRA)23700-134 ≣A46Bundesliga 1986/87
193KiviahoFilppula0-133 ≣E15Ch Finland (corr.)
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
207Moen Steinar (NOR)2217Hoos B0-140 ≣A15Ch NATO (team)
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
37Lilienthal Andor ...2385Alatortsev Vladim...0-127 ≣A46Ch URS
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
85Horberg Beng EricStahlberg Gideon ...0-132A47It
217Unrath Heiko (GER)2216Roemer Ulrich (GER)22920-138 ≣A46Bundesliga 1990/9...
219Briffel Francisco...2145Cid Marino Alejan...23400-135 ≣A05Olympiad
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
8Vallve JKahn Victor0-137 ≣A47It
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
48Baron ScudierSmith Kenneth R (...23700-129 ≣A05It (open)
236Piechocki Francis...2245Akesson Ralf (SWE)24210-139 ≣A46It (open)
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
51Millin PaoloKeller Hans0-120 ≣A46It
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
56Platz HansStahlberg Gideon ...0-138 ≣A46Memorial G.Maroczy
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
62Eidelman MauricioCruz Walter Oswal...0-138 ≣A46It
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
139Magerramov Elmar ...2435Grigorian Karen (...24750-138 ≣A13It (cat.10)
71Moehring Guenther...2294Blatny Frantisek ...21120-124 ≣A40It (a)30 Dec 1956
72Barcza Gedeon (HUN)2435Kluger Gyula (HUN)22500-139 ≣A05Ch Hungary
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
32Mnichowicz ESliwa Bogdan (POL)22350-136 ≣A46Ch Poland09 Aug 1946
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
159Rind Bruce (USA)2335Wiedenkeller Mich...23200-123 ≣A05Ch Cleveland
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
167Bettalli Marco (ITA)2053Tirabassi Maurizi...23060-133 ≣A05?
81Huguet Bernard (FRA)2146Conan Claude0-125 ≣A15It
276Muench Gerhard (GER)2114Wunder Horst (GER)21150-121 ≣A04Ch Bayern (2)
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
30Szapiro MarekSliwa Bogdan (POL)22350-136 ≣A46Ch Poland30 Jul 1946
183Eising Johannes (...2283Bauer Peter (GER)22590-139 ≣A15Bundesliga 1986/87
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
187Lagergren HenryOikamo Teijo0-130 ≣A46?
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
266Ivanov Vitaly (RUS)2296Gutop Yuri V (RUS)23030-117 ≣E15Ch URS (team) (co...
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
95Mista Ladislav (CZE)2158Korchnoi Viktor (...25560-136 ≣A17Ch Czechoslovakia
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
98Naranja Renato (PHI)2221Johannessen Svein...22730-140 ≣A15Olympiad
99Espig Lutz (GER)2460Liebert Heinz (GER)24200-133 ≣A05It
243Kovacs Laszlo M (...2339Portisch Gabor (HUN)23390-136 ≣A40Ch Hungary (team)...