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Grünfeld with 5.e3 0-0 6.Qb3 Notation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3

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
114Kestler Hans-Guen...2323Waldow Frank1-043 ≣A15Bundesliga 1987/88
61Kholmov Ratmir D ...2432Byvshev Vasily Mi...1-041 ≣D94Ch URS (1/2 final)
403Khoroshev Nikita ...Hamrakulova Yuldu...1-037 ≣D94Ch Uzbekistan (1 ...16 Apr 2010
385Khoroshev Nikita ...2208Vakhidov Nodir (UZB)20421-040 ≣D94Ch Uzbekistan (ju...08 Sep 2009
326Kichubaev Kamil (...2378Mikheev Stanislav...23340-143 ≣D94Ch City09 Jan 2006
254Kiselev Alexander...2163Modestov Boris (RUS)23590-144 ≣D94Ch Russia (junior...
420Kizov Atanas (MKD)2389Gallana Marco (ITA)20801-017 ≣D94It (open)
76Kluger Gyula (HUN)2250Szekely Mihaly1-048 ≣A05Ch Hungary
87Knezevic Milorad ...2212Slavov Dimcho (BUL)22251-045 ≣A05It
7Koch Berthold (GDR)Bogoljubow Efim D...0-148 ≣A46Ch Germany
153Kohlweyer Bernd (...2458Michaelsen Nils (...24121-040 ≣A48Bundesliga 1991/92
9Koltanowski Georg...Menchik Vera1-031 ≣A46It (open)
14Koltanowski Georg...Alexander Conel H...1-018 ≣A48It
48Konstantinopolsky...Suetin Alexei S (...23271-031 ≣A05Ch URS
33Konstantinopolsky...Kasparian Genrikh...1-047 ≣A05Ch URS (1/2 final)
57Kopaev Nikolay An...Gipslis Aivars (LAT)24291-041 ≣A46Ch URS (team)
426Korchnoi Viktor (...2548Tsilipakos Leonidas1-029 ≣D80Simultan (2)14 Dec 2010
255Korolkova VKachar Vladimir (...24160-120 ≣D80It (open)
89Kozlovskaya Valen...2281Litynska Marta (UKR)23261-032 ≣D94It (cat.14)
173Kraeussling Andre...2266Bredl Harald (GER)23621-046 ≣A48Bayern Oberliga 1...
209Kraeussling Andre...2266Roeder Hans-Marti...21531-041 ≣D94Ch Unterfranken (M1)
376Kraus Tomas (CZE)2029Langner Jakub (CZE)18380-122 ≣A48Ch Czech Republic...14 Mar 2009
235Kuhnert Josef1995Suessmann Peter21151-026 ≣A48Bayern Regionalli...
278Kurganov Dmitry (...2106Korniushin Nikola...24291-041 ≣A05Cup Russia (open)
322Kutsankov Vladimi...2253Hamalainen Sami (...22201-020 ≣D94Cup European Club...24 Sep 2005
78Kuzmin Gennadi P ...2417Bagirov Vladimir ...24821-032 ≣A05Ch URS (team)
465Laceste Loren Bri...2297Daniluk Jim (CAN)19681-041 ≣A48Ch Canada (open)11 Jul 2012
362Lafuente Pablo (ARG)2522Howell David WL (...25931-017 ≣D94It (open)
38Lange Andreas (GER)1710Heinicke Herbert ...1-039 ≣A05Ch BRD
26Lange WilfriedEisinger Max0-129 ≣D80It
29Lange WilfriedRichter Kurt (GER)20431-037 ≣A48Ch Germany
473Lebrun Piersont (...1973Kahn Tito (JCI)20491-036 ≣A48Olympiad30 Aug 2012
215Ledig Horst1822Paraskevopoulos P...17111-019 ≣E61It (open)
462Le Nhat Khanh HuyNguyen Anh Khoi19130-138 ≣D94Ch ASEAN (juniors...11 Jun 2012
436Leprince Jean-Lou...1831Platel Alexandre ...22390-126 ≣D80It (open)
112LeticVolchok Alexandr ...0-137 ≣D94Memorial Markov (...
130Letic Stevan (SRB)2104Piuva Matti (FIN)22050-132 ≣D94?
183Lev Ronen (ISR)2495Mikhalevski Victo...25300-134 ≣D94Ch Israel
261Lichtenstern Chri...2216Hiermann Dietmar ...22881-040 ≣A15Bayern Oberliga 1...
18Lilienthal Andor ...2385Machtas A Z1-045 ≣D94Olympiad
109Loifenfeld Jakov ...2426Razdobudko Ivan (...22011-024 ≣D94Ch Ukraine (1/2 f...
340Lutz Rainer1894Zwinger Stefan (AUT)19981-015 ≣A05Ch Mittelfranken ...14 Jan 2007
34Lynch JulioPelikan Jiri (CZE)0-142 ≣D94Memorial R.Grau
86Macdonald-Ross Mi...2136Kerr Brian1-026 ≣D94Ch Scotland15 Jul 1973
381Mager Denis (GER)1562Holzschuh Gerald ...21390-143A05Ch City (open)04 May 2009
245Magyar Otto (HUN)2300Dembo Yelena (GRE)22441-043 ≣D94It (b)
243Maki-Uuro Miikka ...2320Holmsten Aleksei ...24001-029 ≣A05It (open)
104Maksimovic Suzana...2180Erenska-Barlo Han...22250-133 ≣A48It (cat.14) (w)
150Mandekic Ivan (CRO)2288Zelic Mladen (CRO)22640-121 ≣A48Ch Croatia (team)...
165Mandekic Ivan (CRO)2288Biliskov Vjekosla...23540-134 ≣A48Cup Croatia
332Manolache Marius ...2507Rodriguez Lopez R...22891-042 ≣A48It (open)11 Aug 2006
166Martin Vazquez Jo...2148Martinez Fernando...21490-133 ≣D94It (open)
449Mathonia Claude (...Rauch Uwe (GER)1-036 ≣D94Verbandsliga Bade...11 Dec 2011
417Matsuura Everaldo...2484Costa Giovanni (BRA)19181-020 ≣D94Ch Paulista19 Aug 2010
388Matsuura Everaldo...2491Santiago Yago De ...23271-036 ≣D94Ch Paulista (final)03 Oct 2009
224Matsuura Everaldo...2390Dantas Marcus V1-041 ≣A48It (open)
390Matsuura Frederic...2303Paiva Pedro Henri...21180-136 ≣A48Ch Brazil (1/2 fi...
392Matsuura Frederic...2303Fucs Paulo (BRA)22091-035 ≣A48Ch Brazil (1/2 fi...01 Nov 2009
345Mazalon Mariusz (...2151Wlodarczyk Oskar ...23430-119 ≣A48It (open)17 Jul 2007
237Mazalon Mariusz (...2023Sakalauskas Vaida...24100-137 ≣A48It (open) (b)
189Medancic Rikard (...2340Djuric Stefan (SRB)24700-147 ≣D94It (open)
233Midoux Sebastien ...2230Bujisho Benjamin ...22701-049 ≣D94Ch France (juniors)
60Mikenas Vladas I ...2405Gusev Yuri S (RUS)23381-037 ≣A16Ch URS (1/2 final)
423Militello Michele...1814Orlandi Paolo (ITA)16051-034A48Tournament (open)...27 Nov 2010
433Milutin Lev (RUS)1984Reva-Nikitina Zoy...18091-042 ≣D06Tournament (Elo)10 May 2011
455Miron Lucian-Cost...2525Codenotti Marco (...23431-026 ≣D94Ch Europe29 Mar 2012
271Mirzoev Azer (AZE)2508Simonenko Sergei ...24030-139 ≣A48It (open)
220Mirzoev Azer (AZE)2430Walach Marcin (POL)22951-046 ≣D94It (open) (a)
337Mirzoev Azer (AZE)2543Ramos Aguilar Jos...22361-039 ≣D94It (open) (active)04 Nov 2006
201Mirzoev Azer (AZE)2375Ibragimov Bagir (...23851-040 ≣A48Cup Baku
202Mirzoev Azer (AZE)2375Tumurbaatar Punts...1-035 ≣D94Ch World (juniors...
200Mirzoev Azer (AZE)2375Bagirov Rufat (AZE)22851-042 ≣D94Cup Baku
229Mirzoev Azer (AZE)2445Manafov Ilkin (AZE)21271-025 ≣A48Cup Baku
262Mitkov Marjan (MKD)2402Gabrielsen Stig (...23050-147 ≣D94Olympiad
117Mohr Georg (SLO)2460Vucicevic Moma (SRB)23210-147 ≣A46?
440Molet Asher (FRA)1859Tilquin Jean-Pier...19741-034 ≣A48Ch France (seniors)20 Aug 2011
383Molet Asher (FRA)1900Konguvel Ponnuswa...24190-141A48It (open)08 Jul 2009
164Molet Zandberg IAWolrich Charles (...22411-038 ≣A48It (open) (2)
184Molnar Bela (HUN)2340Karacsony Attila ...22251-049 ≣D94It (open) \
364Mona Khaled (EGY)1967Padmini Rout (IND)22350-136 ≣A48Ch World (juniors...21 Oct 2008
386Mona Khaled (EGY)2094Le Roux Jean-Pier...24850-148 ≣A48Ch Mediterranean11 Sep 2009
366Mona Khaled (EGY)1967Langnerova Karoli...18310-137 ≣A48Ch World (juniors...26 Oct 2008
402Mona Khaled (EGY)2103Gupta Abhijeet (IND)25950-121 ≣A46It (open)05 Apr 2010
341Mudrykh Evgenia (...1662Artemenko Rimma (...16261-032 ≣D80Memorial Y.Kotkov30 Mar 2007
250Mueller Herbert (...2155Selker Marc (GER)21261-039 ≣A48It (open)
239Mueller Herbert (...2058Wolff Christian1-040 ≣A48VK1 1997/98
230Mueller Herbert (...2058Mandelbaum Peter ...21621-032 ≣A48It (open)
196Mueller Horst (AUT)2047Schneider Georg (...22301-035 ≣A40Ch Region (seniors)
2Muller Hans (AUT)Steiner Lajos (HUN)1-031 ≣A48?
43Myhre ErlingCastaldi Vincenzo...0-136 ≣D94Olympiad03 Sep 1950
41Myhre ErlingPoulsen Christian1-046D94Olympiad
65Najdorf Miguel (POL)2445Sanguinetti Raul ...24851-044 ≣D94?
246Nedilsky Diego (ARG)2321Idigoras Alejandr...22860-145 ≣D94Memorial M.Najdor...
247Nedilsky Diego (ARG)2321Lopez Sebastian (...20131-024 ≣D94Memorial M.Najdor...
268Nedilsky Diego (ARG)2311Prieto Marcelo (ARG)20901-024 ≣D94It (open)
347Neese Hans-Joachi...2309Beckel Friedrich ...20511-024 ≣D80Ch Germany (senio...17 Sep 2007
380Nefedov Sergei (RUS)2235Karabakhsjan Adro...23191-047 ≣A48Ch Russia (junior...22 Apr 2009
259Neiman Emmanuel (...2319Dragojlovic Andje...23951-029 ≣D94It
199Neiman Emmanuel (...2330Zigura Oleg (UKR)23501-043 ≣D94It
377Nordstrom Felix (...2177Pribyl Josef (CZE)23720-143 ≣D94Ch Europe (senior...06 Apr 2009