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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
85Horberg Beng EricStahlberg Gideon ...0-132A47It
208Van Hasselt AHaring0-126 ≣E15corr.
81Huguet Bernard (FRA)2146Conan Claude0-125 ≣A15It
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
394GrinblatChernyi1-036 ≣A47Ch Russia (club) ...
156Karlsson RalfKolsi Ari1-033 ≣E15?
138Wright JohnPeterson George1-032 ≣E15It (corr.)
165Nedeljkovic Aleks...2265Champagne P1-035 ≣A05Ch USA (corr.)
267Hughes ChrisChinnici G0-127 ≣E15?
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
203Roldan CarlosCembran Ezio1-035 ≣E15corr.
454Mol Christiaan (NED)2013Scharft Johan1-019 ≣A40It (open) (b)16 Oct 2004
115Gil AntonioArfwedson Gerhard1-029 ≣A15corr.
177Kaunismaa JuhaWelling Pauli1-039 ≣E15?
322Vaskin VTakhtarov V1-026 ≣A05Ch Russia (corr.)...
535Bui Trong HaoTran Ngo Thien Phu1-034 ≣E15Ch Vietnam (junio...02 Aug 2008
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
256Kotenko GTikhonov1-034 ≣E15corr.
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
210Korchnoi Viktor (...2655Salov Valery (RUS)26450-137 ≣A05Cup World
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
597Bu Xiangzhi (CHN)2695Vladimirov Evgeny...26231-027 ≣A05Asian Games (team)24 Nov 2010
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
460Fridman Daniel (GER)2564Atalik Suat (BIH)26200-139 ≣A05It (open)14 May 2005
228Timman Jan H (NED)2630Ehlvest Jaan (USA)26051-038 ≣E15It (cat.17)
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
407Andersson Ulf (SWE)2601Stefansson Hannes...25751-037 ≣A05Memorial J.Capabl...
358Graf Alexander (GER)2584Volzhin Alexander...25690-139 ≣E15It (open)
258Lastin Alexander ...2538Yemelin Vasily (RUS)25680-131 ≣A46Ch Russia (junior...
148Sosonko Gennadi (...2585Seirawan Yasser (...25651-024 ≣E15It
611Haravitsidis Milt...1842Maiorov Nikita (BLR)25580-129 ≣E15It (open)20 Jul 2011
607Eingorn Vereslav ...2567Maiorov Nikita (BLR)25581-027 ≣A05It (open)08 May 2011
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
95Mista Ladislav (CZE)2158Korchnoi Viktor (...25560-136 ≣A17Ch Czechoslovakia
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣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)
222Lev Ronen (ISR)2390Zoler Dan (ISR)25411-031 ≣A05It (open)
444Dizdarevic Emir (...2538Atalik Suat (BIH)25411-036 ≣A04It (cat.15)20 May 2004
230Serper Grigory (USA)2490Shneider Aleksand...25401-026 ≣A15Ch URS (swiss)
295Menk Rolf (GER)2179Ikonnikov Vyaches...25400-134 ≣A46It (open)
514Mihic Bojan (SRB)2377Savic Miodrag R (...25390-136 ≣A05Cup Belgrade (open)30 Nov 2007
476Stock Lara (CRO)2265Negi Parimarjan (...25380-138 ≣A05It (open)25 Apr 2006
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
557Mankeyev Rauan (KAZ)2402Ismagambetov Anua...25310-134 ≣A05Zt22 Jun 2009
417Tovsanaa Nyamaa (...2281Nguyen Anh Dung (...25300-131 ≣E15Olympiad
587Kristinsson Bjarn...2062Danielsen Henrik ...25290-130 ≣A46Simultan02 Aug 2010
108Kochyev Alexander...2417Ubilava Elizbar (...25271-029 ≣A05Ch URS (qual)
374Kashtanov Ruslan ...2341Iljushin Alexei (...25270-119 ≣A05Memorial M.Chigor...
533Colpe M2105Hertneck Gerald (...25190-140 ≣A46It (open)21 Jul 2008
121Zaltsman Vitaly F...2440Stean Michael F (...25101-027 ≣A10It (open)
471Nikolic Predrag (...2584Werle Jan (NED)25091-040 ≣A05Ch Netherlands (t...17 Dec 2005
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)
575Pascua Haridas (PHI)2352Nguyen Anh Dung (...25000-139 ≣A46Ch Asia29 Apr 2010
196Savchenko Stanisl...2480Frolov Artur (UKR)24991-033 ≣E15Ch Ukraine
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
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)
453Gansvind Valeriya...2265Borges Mateos Jua...24840-138 ≣A40It (cat.3)10 Oct 2004
638Villa Giorgio (ITA)1983Naumkin Igor (RUS)24800-134 ≣A46It (open)28 Sep 2012
109Dorfman Iossif D ...2380Gulko Boris F (USA)24800-138 ≣A17Ch URS
457Mihalj M Miroslav...2313Laketic Gojko (SRB)24790-131 ≣A46It20 Mar 2005
139Magerramov Elmar ...2435Grigorian Karen (...24750-138 ≣A13It (cat.10)
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
408Tosic Miroslav (SRB)2495Savic Miodrag R (...24640-140 ≣A05Ch Yugoslavia
145Bukic Enver (SLO)2500Abramovic Bosko (...24631-029 ≣E15Ch Yugoslavia
403Khismatullin Deni...2448Werle Jan (NED)24590-140 ≣A46Ch Europe (junior...
431Sebenik Matej (SLO)2413Zaja Ivan (CRO)24590-132 ≣A40Ch Slovenia (team)
391Prokopishin Vasil...2346Szabo Zsolt Jozse...24580-134 ≣A05It (open)
247Cipres Auseron Ig...2132Zlotnik Boris A (...24550-140 ≣A46It (open)
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
182Schulz Karsten (GER)2310Hecht Hans-Joachi...24551-036 ≣A05Bundesliga 1985/86
142Kochyev Alexander...2417Liang Jinrong (CHN)24541-040 ≣A05Ch World (team) (...
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)
309Koval Anton (SVK)2177Pcola Pavol (SVK)24501-035 ≣A40Ch Slovakia (open)
541Hintze Helge (GER)2346Morawietz Dieter ...24491-030 ≣A05NRW Klasse 2 2008/0930 Nov 2008
568Al-Aqrabi Saleh (...2201Himanshu Sharma (...24490-127 ≣E15Ch Asia (team)27 Dec 2009
348Graf Alexander (GER)2625Anagnostopoulos D...24451-035 ≣E15Ch Greece (team)
263Simic Radoslav (SRB)2495Genov Petar (BUL)24451-040 ≣A46It \
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
429Chernyshov Konsta...2569Burnett Ronald (USA)24441-029 ≣E15It (cat.8)