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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
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
256Kotenko GTikhonov1-034 ≣E15corr.
254Warren BartoldEhrman Carl0-122 ≣E15It (open)
255Zelazkowski RDybala R1-039 ≣E15Ch Poland (corr.)
246Nilsen KjellAarland Stein Ari...23000-134 ≣A46It (open)
250Zarzycki WCzarnolewski P0-139 ≣E15Ch Poland (corr.)
225Wilde MartinNeubert Marcus21201-030E15It (open)
215Ramas CPalmer Tony (USA)22170-139 ≣E15It (open)
193KiviahoFilppula0-133 ≣E15Ch Finland (corr.)
235Neme JorgeInchausti Pablo0-122 ≣A05It (open) \
231Van Roosmalen ABrus B1-033 ≣E15corr.
192Cederquist BengtMoeller HJ1-040 ≣A40Europe Tournament...
203Roldan CarlosCembran Ezio1-035 ≣E15corr.
221Hylen MatsHjorth Gunnar (SWE)22221-036 ≣A46Ch Sweden (corr.)
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
204Voronov AJaderholm Bo (FIN)18790-131 ≣E15Europe Tournament...
158Andreas PeterJohansson Thomas ...21731-033 ≣E15It (b)
174Kerik MKuehnel H1-031 ≣E15Cup Baltic (corr.)
170La Tanza EColombo Alberto (...20900-136 ≣E15Ch Italy
187Lagergren HenryOikamo Teijo0-130 ≣A46?
223Marin Aso Josep L...Matamoros A1-025 ≣A05It (open)
224Crespo Borrego Fr...Prieto Julio1-032 ≣A40It (open)
209Heller MartinSeeck Klaus (GER)21460-138 ≣A46Ch Schleswig Hols...
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
103Lindh BengtJohansson Martin ...24301-027 ≣E15corr.
134ArgentieroBertolucci G1-023 ≣A17corr.
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
138Wright JohnPeterson George1-032 ≣E15It (corr.)
59Porreca Giorgio (...Del Vecchio Lucio1-017 ≣A05Ch Italy
115Gil AntonioArfwedson Gerhard1-029 ≣A15corr.
140Zabihi AAllen Keith (IRL)21971-033 ≣A05Ch World (juniors...
48Baron ScudierSmith Kenneth R (...23700-129 ≣A05It (open)
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
30Szapiro MarekSliwa Bogdan (POL)22350-136 ≣A46Ch Poland30 Jul 1946
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
56Platz HansStahlberg Gideon ...0-138 ≣A46Memorial G.Maroczy
164Madler JurgenLetic Stevan (SRB)21041-035 ≣E15Memorial Heilimo ...
152Fiedler (CZE)Gulich W1-028 ≣E15corr.
176Rickers GerhardEngqvist Thomas (...23531-031 ≣E15Cup Baltic (corr.)
61Ragozin Viachesla...Cherepkov Alexand...23951-032 ≣E15Ch URS (1/2 final)
199Sheynin SDahl B (NOR)23101-030 ≣A46Ch Nassau
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
163Gonzalez Trelles ...Reglero Andres1-033 ≣A47Ch Asturias (team)
8Vallve JKahn Victor0-137 ≣A47It
208Van Hasselt AHaring0-126 ≣E15corr.
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
62Eidelman MauricioCruz Walter Oswal...0-138 ≣A46It
6Vidmar Milan Sr (...Colle Edgard (BEL)1-033 ≣A46It
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
11Simonson AlbertDenker Arnold S (...22931-039 ≣A05Ch USA
249Kanzaveli VitalyRunning Jeffrey1-015 ≣A05It (open)
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
452Pitic Jasmin (SRB)Nonnenmacher Eber...1-037 ≣A46Verbandsliga Bade...10 Oct 2004
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
4Rejfir Josef (CZE)Thelen Bedrich (CZE)1-035 ≣A47Tournament
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
67Stahlberg Gideon ...Pfeiffer Gerhard ...1-036 ≣A04It
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
23Filipcic MPoljakov1-030 ≣A46Ch Yugoslavia
20Weil HWatzl Leopold1-031 ≣A47Ch City
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
156Karlsson RalfKolsi Ari1-033 ≣E15?
32Mnichowicz ESliwa Bogdan (POL)22350-136 ≣A46Ch Poland09 Aug 1946
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
157KocandrieKodym1-027 ≣E15?
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
51Millin PaoloKeller Hans0-120 ≣A46It
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
85Horberg Beng EricStahlberg Gideon ...0-132A47It
177Kaunismaa JuhaWelling Pauli1-039 ≣E15?
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
13Euwe Max (NED)Fairhurst William...23001-039 ≣E15Match \05 Jul 1938
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
88Rakovsky EmileNovak Ervin (CZE)22251-039 ≣A05It
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
68Zalys IgnasWestra Roelof1-027 ≣A05Match
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
267Hughes ChrisChinnici G0-127 ≣E15?