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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
139Magerramov Elmar ...2435Grigorian Karen (...24750-138 ≣A13It (cat.10)
138Wright JohnPeterson George1-032 ≣E15It (corr.)
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
136Cervenka Imrich (...2190Certek Pavel (SVK)23221-029 ≣E15It (open) \
135Zaltsman Vitaly F...2445McCambridge Vince...22601-037 ≣A05It (open)
134ArgentieroBertolucci G1-023 ≣A17corr.
133Henttinen Markku ...2270De Wit Johannes S...24021-035 ≣A40Ch Denmark (juniors)
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...
131Sprecic Mustafa (...2309Krzisnik Rok (SLO)22221-037 ≣A47Ch Yugoslavia
130Segal Alexandru S...2395Rocha Antonio (BRA)23001-039 ≣E15Ch Brazil
129Schinzel Wladysla...2380Boehlig Heinz Dr ...22371-030 ≣A15It \06 Jun 1978
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
127Barlov Dragan (SRB)2458Ristic Nenad (SRB)24201-033 ≣A46It
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
124Raivio Yrjo (FIN)2067Jensen Rene (DEN)22951-025 ≣E15Ch Denmark (juniors)
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
122Ivkov Borislav (SRB)2515Santos Luis (POR)23571-040 ≣A05Zt
121Zaltsman Vitaly F...2440Stean Michael F (...25101-027 ≣A10It (open)
120Rind Bruce (USA)2335Crouch Colin S (ENG)23651-035 ≣A05It (open) \
119Miricanac Admir (...2219Schmid Michael_ (...22061-035 ≣A05It
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
117Lambert Glenn E J...2295Hanreck Alan E (ENG)22681-038 ≣E15It (open) \
116Browne Walter S (...2545Grefe John A (USA)24251-033 ≣E15Ch USA
115Gil AntonioArfwedson Gerhard1-029 ≣A15corr.
114Dorfman Iossif D ...2455Filguth Rubens A ...24101-026 ≣A05?
113Tal Mikhail N (LAT)2620Bellon Lopez Juan...24151-035 ≣A05It (cat.9)
112Karpov Anatoly (RUS)2690Pomar Salamanca A...24351-030 ≣A13It (cat.9)
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
109Dorfman Iossif D ...2380Gulko Boris F (USA)24800-138 ≣A17Ch URS
108Kochyev Alexander...2417Ubilava Elizbar (...25271-029 ≣A05Ch URS (qual)
107Padevsky Nikola (...2355Radulov Ivan (BUL)23061-031 ≣A05Ch Bulgaria (play...
106Meduna Eduard (CZE)2420Fichtl Jiri (CZE)23801-032 ≣A05Ch Czechoslovakia
105Venalainen Unto E...2350Magnusson Bjarni ...18561-034 ≣A05?
104Hort Vlastimil (GER)2600Novak Ervin (CZE)22251-034 ≣E15Ch Czechoslovakia
103Lindh BengtJohansson Martin ...24301-027 ≣E15corr.
102Hay Trevor (AUS)2287Drira Ahmed22001-032 ≣E15Olympiad
101Averbakh Yuri L (...2550Bilek Istvan (HUN)24851-037 ≣E15It
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
99Espig Lutz (GER)2460Liebert Heinz (GER)24200-133 ≣A05It
98Naranja Renato (PHI)2221Johannessen Svein...22730-140 ≣A15Olympiad
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
96Ocampo Raul (MEX)2260Luckis Marcos22701-040 ≣A05Ch Argentina (qual)
95Mista Ladislav (CZE)2158Korchnoi Viktor (...25560-136 ≣A17Ch Czechoslovakia
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
91Hort Vlastimil (GER)2466Belkadi Ridha (TUN)23451-035 ≣E15Olympiad
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
88Rakovsky EmileNovak Ervin (CZE)22251-039 ≣A05It
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
85Horberg Beng EricStahlberg Gideon ...0-132A47It
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
83Barcza Gedeon (HUN)2435Trincardi Tullio ...22351-032 ≣A05It
82Felmeri Janos (HUN)2275Tompa Janos (HUN)23981-023 ≣E15Tournament
81Huguet Bernard (FRA)2146Conan Claude0-125 ≣A15It
80Bilek Istvan (HUN)2375Honfi Karoly (HUN)23651-018 ≣A13Memorial Asztalos28 Jul 1962
79Darga Klaus (GER)2453Kupper Josef (SUI)23741-031 ≣E15Cup Clare Benedict
78Ivkov Borislav (SRB)2416Janosevic Dragolj...23301-033 ≣A15It
77Ivkov Borislav (SRB)2416Van Den Berg Care...24101-037 ≣E15It \
76Kolarov Atanas S ...2415Chipev T (BUL)1-034 ≣E15Ch Bulgaria
75Reyes Jara Pablo ...2053Filipowicz Andrze...23301-038 ≣A46Olympiad
74Espinosa Rafael M...2403Luckis Marcos22701-032 ≣A46Ch Argentina
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
72Barcza Gedeon (HUN)2435Kluger Gyula (HUN)22500-139 ≣A05Ch Hungary
71Moehring Guenther...2294Blatny Frantisek ...21120-124 ≣A40It (a)30 Dec 1956
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
68Zalys IgnasWestra Roelof1-027 ≣A05Match
67Stahlberg Gideon ...Pfeiffer Gerhard ...1-036 ≣A04It
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
62Eidelman MauricioCruz Walter Oswal...0-138 ≣A46It
61Ragozin Viachesla...Cherepkov Alexand...23951-032 ≣E15Ch URS (1/2 final)
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
59Porreca Giorgio (...Del Vecchio Lucio1-017 ≣A05Ch Italy
58Szabo Laszlo (HUN)1903Platz Hans1-029 ≣A05Memorial G.Maroczy
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
56Platz HansStahlberg Gideon ...0-138 ≣A46Memorial G.Maroczy
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
52Letelier Rene (CHI)2151Maccioni Seisdedo...1-040 ≣A47Ch Chile
51Millin PaoloKeller Hans0-120 ≣A46It
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
48Baron ScudierSmith Kenneth R (...23700-129 ≣A05It (open)
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
46Gereben Erno (SUI)2320Pogats Jozsef (HUN)22301-040 ≣A47Ch Hungary
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
44Najdorf Miguel (POL)2445Kottnauer Cenek (...23701-036 ≣E15It
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
41Van Scheltinga Th...2325Golombek Harry (ENG)23201-039 ≣E15Match \12 Sep 1948
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \