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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
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
4Rejfir Josef (CZE)Thelen Bedrich (CZE)1-035 ≣A47Tournament
6Vidmar Milan Sr (...Colle Edgard (BEL)1-033 ≣A46It
8Vallve JKahn Victor0-137 ≣A47It
10Najdorf Miguel (POL)2445Schaechter Izaak1-035 ≣A47Ch Poland
11Simonson AlbertDenker Arnold S (...22931-039 ≣A05Ch USA
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
20Weil HWatzl Leopold1-031 ≣A47Ch City
23Filipcic MPoljakov1-030 ≣A46Ch Yugoslavia
24Kottnauer Cenek (...2370Denker Arnold S (...22931-032 ≣A15It
25Lundin Erik (SWE)2375Yanofsky D A (CAN)24101-040 ≣A05It
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
30Szapiro MarekSliwa Bogdan (POL)22350-136 ≣A46Ch Poland30 Jul 1946
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
32Mnichowicz ESliwa Bogdan (POL)22350-136 ≣A46Ch Poland09 Aug 1946
36Szabo Laszlo (HUN)1903Luckis Marcos22701-039 ≣A05It
37Lilienthal Andor ...2385Alatortsev Vladim...0-127 ≣A46Ch URS
46Gereben Erno (SUI)2320Pogats Jozsef (HUN)22301-040 ≣A47Ch Hungary
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
48Baron ScudierSmith Kenneth R (...23700-129 ≣A05It (open)
51Millin PaoloKeller Hans0-120 ≣A46It
52Letelier Rene (CHI)2151Maccioni Seisdedo...1-040 ≣A47Ch Chile
56Platz HansStahlberg Gideon ...0-138 ≣A46Memorial G.Maroczy
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
58Szabo Laszlo (HUN)1903Platz Hans1-029 ≣A05Memorial G.Maroczy
59Porreca Giorgio (...Del Vecchio Lucio1-017 ≣A05Ch Italy
62Eidelman MauricioCruz Walter Oswal...0-138 ≣A46It
67Stahlberg Gideon ...Pfeiffer Gerhard ...1-036 ≣A04It
68Zalys IgnasWestra Roelof1-027 ≣A05Match
71Moehring Guenther...2294Blatny Frantisek ...21120-124 ≣A40It (a)30 Dec 1956
72Barcza Gedeon (HUN)2435Kluger Gyula (HUN)22500-139 ≣A05Ch Hungary
74Espinosa Rafael M...2403Luckis Marcos22701-032 ≣A46Ch Argentina
75Reyes Jara Pablo ...2053Filipowicz Andrze...23301-038 ≣A46Olympiad
78Ivkov Borislav (SRB)2416Janosevic Dragolj...23301-033 ≣A15It
80Bilek Istvan (HUN)2375Honfi Karoly (HUN)23651-018 ≣A13Memorial Asztalos28 Jul 1962
81Huguet Bernard (FRA)2146Conan Claude0-125 ≣A15It
83Barcza Gedeon (HUN)2435Trincardi Tullio ...22351-032 ≣A05It
85Horberg Beng EricStahlberg Gideon ...0-132A47It
88Rakovsky EmileNovak Ervin (CZE)22251-039 ≣A05It
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
95Mista Ladislav (CZE)2158Korchnoi Viktor (...25560-136 ≣A17Ch Czechoslovakia
96Ocampo Raul (MEX)2260Luckis Marcos22701-040 ≣A05Ch Argentina (qual)
98Naranja Renato (PHI)2221Johannessen Svein...22730-140 ≣A15Olympiad
99Espig Lutz (GER)2460Liebert Heinz (GER)24200-133 ≣A05It
105Venalainen Unto E...2350Magnusson Bjarni ...18561-034 ≣A05?
106Meduna Eduard (CZE)2420Fichtl Jiri (CZE)23801-032 ≣A05Ch Czechoslovakia
107Padevsky Nikola (...2355Radulov Ivan (BUL)23061-031 ≣A05Ch Bulgaria (play...
108Kochyev Alexander...2417Ubilava Elizbar (...25271-029 ≣A05Ch URS (qual)
109Dorfman Iossif D ...2380Gulko Boris F (USA)24800-138 ≣A17Ch URS
112Karpov Anatoly (RUS)2690Pomar Salamanca A...24351-030 ≣A13It (cat.9)
113Tal Mikhail N (LAT)2620Bellon Lopez Juan...24151-035 ≣A05It (cat.9)
114Dorfman Iossif D ...2455Filguth Rubens A ...24101-026 ≣A05?
115Gil AntonioArfwedson Gerhard1-029 ≣A15corr.
119Miricanac Admir (...2219Schmid Michael_ (...22061-035 ≣A05It
120Rind Bruce (USA)2335Crouch Colin S (ENG)23651-035 ≣A05It (open) \
121Zaltsman Vitaly F...2440Stean Michael F (...25101-027 ≣A10It (open)
122Ivkov Borislav (SRB)2515Santos Luis (POR)23571-040 ≣A05Zt
127Barlov Dragan (SRB)2458Ristic Nenad (SRB)24201-033 ≣A46It
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
129Schinzel Wladysla...2380Boehlig Heinz Dr ...22371-030 ≣A15It \06 Jun 1978
131Sprecic Mustafa (...2309Krzisnik Rok (SLO)22221-037 ≣A47Ch Yugoslavia
133Henttinen Markku ...2270De Wit Johannes S...24021-035 ≣A40Ch Denmark (juniors)
134ArgentieroBertolucci G1-023 ≣A17corr.
135Zaltsman Vitaly F...2445McCambridge Vince...22601-037 ≣A05It (open)
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
139Magerramov Elmar ...2435Grigorian Karen (...24750-138 ≣A13It (cat.10)
140Zabihi AAllen Keith (IRL)21971-033 ≣A05Ch World (juniors...
141Stoll Joachim (GER)2230Hartmann Wolfram ...22440-136 ≣A47Bundesliga 1980/81
142Kochyev Alexander...2417Liang Jinrong (CHN)24541-040 ≣A05Ch World (team) (...
143Neckar Lubomir (CZE)2367Van Bentum Horst ...21161-028 ≣A05It
146Misojcic Miroslav...2242Jovicic Milos (SRB)23310-125 ≣A46It29 Mar 1980
147Stoppel Franz (AUT)2197Titz Heimo (AUT)22021-018 ≣A15Ch Austria
154Ivanov Igor V (CAN)2424Buchholz Martin (...23151-040 ≣A05Zt
155Sorri Kari Juhani...2251Borwell Alan P (SCO)20851-029 ≣A46Izt (cat.13) (w)
159Rind Bruce (USA)2335Wiedenkeller Mich...23200-123 ≣A05Ch Cleveland
160Ullrich Farid-Rao...2154Ostermeyer Peter ...24100-139A05Bundesliga 1981/82
161Sula Zeqir (ALB)2299Andruet Gilles (FRA)23701-035 ≣A05Olympiad
162Jordan William (AUS)2275Hanks John (AUS)21711-032 ≣A05Ch Australia
163Gonzalez Trelles ...Reglero Andres1-033 ≣A47Ch Asturias (team)
165Nedeljkovic Aleks...2265Champagne P1-035 ≣A05Ch USA (corr.)
166Skembris Spyridon...2385Andruet Gilles (FRA)24201-026 ≣A46It \
167Bettalli Marco (ITA)2053Tirabassi Maurizi...23060-133 ≣A05?
171Husek Zdenek (SVK)2033Franzen Jozef (SVK)23800-127 ≣A46Ch Slovakia
172Renman Nils-Gusta...2425Eriksson Anders (...22951-040 ≣A46Ch Sweden
173Ivkov Borislav (SRB)2525Andruet Gilles (FRA)24101-039 ≣A05It (cat.10)
175Kristensen Frank ...1972Shaltis V0-131 ≣A05Cup Baltic (corr.)
178Overgaard Christi...2250Ustergard Jens1-037 ≣A05Ch Denmark (junio...
180Orr Mark J L (IRL)2365Klinger Josef (AUT)19810-135 ≣A05Olympiad
181Rodgaard John (FAI)2343Varasdy Imre (HUN)23371-014 ≣A13It (open) \
182Schulz Karsten (GER)2310Hecht Hans-Joachi...24551-036 ≣A05Bundesliga 1985/86
183Eising Johannes (...2283Bauer Peter (GER)22590-139 ≣A15Bundesliga 1986/87
186Toma Dana (ROM)2064Kaniansky Mirosla...21990-133 ≣A47Memorial Dr. Lang...
187Lagergren HenryOikamo Teijo0-130 ≣A46?
189Mack Peter (GER)2305Andruet Gilles (FRA)23700-134 ≣A46Bundesliga 1986/87
190Melzer Jan Dr (CZE)2071Dudek Richard (GER)22451-030 ≣A05Bundesliga 1987/8...
192Cederquist BengtMoeller HJ1-040 ≣A40Europe Tournament...
194Lieb Harald (GER)2191Holzapfel Daniel ...22941-033 ≣A46Bundesliga 1988/8...
197Overgaard Christi...2250Pilgaard Kim (DEN)24241-040 ≣A05It (open)