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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
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
138Wright JohnPeterson George1-032 ≣E15It (corr.)
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
152Fiedler (CZE)Gulich W1-028 ≣E15corr.
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
511Jung Young Hoon (...1539Utkal Ranjan Sahoo0-129 ≣E15Ch World (juniors...19 Nov 2007
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
216Sandkamp Ralph (GER)2307Schlenga Klaus0-127 ≣E15Bundesliga 1989/90
174Kerik MKuehnel H1-031 ≣E15Cup Baltic (corr.)
256Kotenko GTikhonov1-034 ≣E15corr.
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
255Zelazkowski RDybala R1-039 ≣E15Ch Poland (corr.)
254Warren BartoldEhrman Carl0-122 ≣E15It (open)
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
323Pankratov Valery ...Guinsburg Marcelo...1-032 ≣E15Memorial Pelikan ...
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
356Perez Juan M (CUB)2239Sabater A1-039 ≣E15Ch Spain (team) (...
203Roldan CarlosCembran Ezio1-035 ≣E15corr.
157KocandrieKodym1-027 ≣E15?
39Kramer Haije J (NED)2330Baay J1-036 ≣E15It
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
535Bui Trong HaoTran Ngo Thien Phu1-034 ≣E15Ch Vietnam (junio...02 Aug 2008
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
289Pavlov Aleksandr ...2240Sigitov V1-026 ≣E15Ch Russia (team)
372Ignatova YuJaremenko E0-128 ≣E15Ch Russia (junior...
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
412Oppezzo Sebastian...2177Urbieta Osvaldo0-134 ≣E15Tournament
521Primbetov K (KAZ)2220Kabyshev A1-024 ≣E15Ch City26 Feb 2008
366Berclaz PhilippeQuaresma EngLuis ...1-035 ≣E15Ch World (e-mail)...
603Nabavi Parwis (SUI)Wienold Thomas1-032 ≣E15Oberliga Baden 20...10 Apr 2011
250Zarzycki WCzarnolewski P0-139 ≣E15Ch Poland (corr.)
392Royer Oto InacioBrodda Wolfgang0-132 ≣E15corr. ICCF
205Kramer Haije J (NED)2330Stilling Walter1-030 ≣E15Memorial Blass (c...
439Melero Morales Ja...2107Moran Fernandez F...1-036 ≣E15Ch Asturias
76Kolarov Atanas S ...2415Chipev T (BUL)1-034 ≣E15Ch Bulgaria
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
261Zivkovic Sava (SRB)2302Chepurnoi Leonid0-134 ≣E15corr.
193KiviahoFilppula0-133 ≣E15Ch Finland (corr.)
596Ivanov Stepan (RUS)2078Fokin Andrey (RUS)1-040 ≣E15Tournament (open)23 Nov 2010
208Van Hasselt AHaring0-126 ≣E15corr.
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
622Torres MiguelZavarce Oscar0-129 ≣E15Tournament (open)01 Feb 2012
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
156Karlsson RalfKolsi Ari1-033 ≣E15?
231Van Roosmalen ABrus B1-033 ≣E15corr.
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
267Hughes ChrisChinnici G0-127 ≣E15?
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
177Kaunismaa JuhaWelling Pauli1-039 ≣E15?
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
333Computer \Computer \1-028 ≣E15Match (active)
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
228Timman Jan H (NED)2630Ehlvest Jaan (USA)26051-038 ≣E15It (cat.17)
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
358Graf Alexander (GER)2584Volzhin Alexander...25690-139 ≣E15It (open)
148Sosonko Gennadi (...2585Seirawan Yasser (...25651-024 ≣E15It
611Haravitsidis Milt...1842Maiorov Nikita (BLR)25580-129 ≣E15It (open)20 Jul 2011
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
185Nikolic Predrag (...2620Hjartarson Johann...25501-028 ≣E15It \
583Kouroumbas Kosmas...1710Maiorov Nikita (BLR)25460-132 ≣E15It (open)22 Jul 2010
144Stigar Petter (NOR)2298Danielsen Henrik ...25430-132 ≣E15Ch Denmark (juniors)
595Vladimirov Evgeny...2623Cao Sang (HUN)25350-137 ≣E15Asian Games (team)23 Nov 2010
498Nguyen Thien Viet...2321Le Quang Liem (VIE)25340-137 ≣E15Ch Vietnam07 Apr 2007
602Stepanov Alexande...2159Ibrahimov Rasul (...25320-129 ≣E15It (cat.5)28 Mar 2011
417Tovsanaa Nyamaa (...2281Nguyen Anh Dung (...25300-131 ≣E15Olympiad
211Zlotnik Boris A (...2433Rozentalis Eduard...25051-034 ≣E15It (open)
375Ilincic Zlatko (SRB)2577Abramovic Bosko (...25051-040 ≣E15Ch Yugoslavia (te...
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
196Savchenko Stanisl...2480Frolov Artur (UKR)24991-033 ≣E15Ch Ukraine
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
562Galopoulos N (GRE)2255Grigorov Grigor (...24890-137 ≣E15It (open)29 Aug 2009
101Averbakh Yuri L (...2550Bilek Istvan (HUN)24851-037 ≣E15It
355Seres Lajos (HUN)2395Nguyen Anh Dung (...24840-135 ≣E15It (cat.8)
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
145Bukic Enver (SLO)2500Abramovic Bosko (...24631-029 ≣E15Ch Yugoslavia
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
592Zatonskih Anna (USA)2480Javakhishvili Lel...24511-031 ≣E15Olympiad (w)27 Sep 2010
282Ruzele Darius (LTU)2495Butnorius Algiman...24500-138 ≣E15Ch Lithuania
198Agdestein Simen (...2560Sharif Mehrshad (...24501-023 ≣E15It (cat.10)
568Al-Aqrabi Saleh (...2201Himanshu Sharma (...24490-127 ≣E15Ch Asia (team)27 Dec 2009