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Nimzo-Indian, Sämisch Variation, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. e3 c5 7. Bd3 Nc6

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
397Kalashian David (...2415Pashikian Arman (...26110-145 ≣E47It (cat.10)25 Apr 2008
69Kaminik Aleksanda...2168Kirilov Valentins...23390-129 ≣E20Ch URS (team)
230Karttunen Mika (FIN)2423Heinimaki Leo (FIN)20721-040 ≣E41It (open)
399Kasidonis Antonio...1703Homatidis Panagio...20920-142 ≣E46Ch Greece (junior...28 Jun 2008
408Katzer Joachim1961Giss Arthur (GER)19900-150 ≣E47Landesliga Bayern...30 Nov 2008
103Kavnatsky Valenti...2305Kulbacki James1-030 ≣E20It (open)
365Kayaman Metin (TUR)1968Afyoncu Omer (TUR)21091-029 ≣E47Ch Turkey (1/2 fi...21 Dec 2006
26Kazic Bozidar (YUG)Timet D1-033 ≣E41Ch Yugoslavia (co...
76Kazilaris Nikolao...2181Pritchett Craig W...23431-035 ≣E20Ch World (team) (...21 Jul 1968
120Ker Anthony F (NZL)2344Hellers Ferdinand...24400-129 ≣E41Ch World (juniors...
440Keren Nahum2245Andriasian Siranu...22140-134 ≣E46It \12 Dec 2010
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
304Knoerrich Peter1396Heinz Manfred17870-136 ≣A15Ch Mittelfranken ...
113Korzubov Peter (BLR)2460Kharitonov Andrei...24600-144 ≣E47It
19Kotov Alexander A...2500Zografakis Aristidis1-020 ≣E47Olympiad
61Kristinsson (ISL)Luginbuhl Erwin (...23701-033 ≣E20Olympiad
271Krumwiede KarstenWittje Berthold D...22160-146 ≣E47Cup Nord-West
384Krush Irina (USA)2475Smith Bryan G (USA)23920-136 ≣E41US Chess League24 Oct 2007
426Kuluev Zagit (RUS)1984Shangaraev Ruzil ...1-019 ≣E20Ch Bashkortostan ...
141Lazic Marina (YUG)Negro Roberto19001-035 ≣E20It (open)
406Lazkano Gaite Tom...1776Spassov Liuben (BUL)24170-143 ≣E20It (open)20 Sep 2008
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
459Lepine CedricKovaliov Anton (ARG)26140-136 ≣E20Ch City (open)07 Sep 2012
212Levit Roman (USA)2275Miller Ike S (USA)20611-030 ≣E41Ch USA (open)
191Levit Roman (USA)2275Lubojanski S1-024 ≣E41Ch Amateur Team
85Lim Kok Ann Dr (SIN)2038Malagon Alberto22001-039 ≣E20Olympiad
348Li Ruofan (SIN)2398Hou Yifan (CHN)22201-049 ≣E46Zt (w)24 Oct 2005
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
403Li Ruofan (SIN)2426Mas Hafizulhelmi ...24391-040 ≣E46It (open)23 Aug 2008
356Li Ruofan (SIN)2391Kuang Yinghui (CHN)23031-033 ≣E41Ch China (w)04 Jul 2006
205Lisko Frantisek (...2311Lipka Juraj (SVK)23751-043 ≣E41Slovak League 199...
74Littlewood Norman2328Hilton CG1-032 ≣E20Ch Great Britain
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
344Littlewood Paul E...2366Bonafont Philip (...21011-038 ≣E41Ch Great Britain01 Aug 2005
170Loiza Martin (ARG)2070Veron Jorge (ARG)18111-020 ≣E20It (open) \
244Lomineishvili Mai...2350Hunt Harriet (ENG)23600-131 ≣E47Ch World (juniors...
240Lomineishvili Mai...2350Yakovich Yuri (RUS)26100-128 ≣E41Cup Russia (open)
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
265Lucchi VAssmann Thomas (GER)23350-134 ≣E46It (open)
227Lueckemann KlausWuttke Bodo17721-024 ≣E20It (open)
55Luik Helmuth (EST)2209Klasups Karlis0-129 ≣E46Match \
422Lykov Sergey (RUS)2206Sakharov Lev (RUS)21461-050 ≣E41Ch Udmurtia18 Dec 2009
194Lyrberg Patrik (SWE)2405Kindermann Stefan...25190-132 ≣E41It
202Macayo AisleyCuadras Avellana ...23101-023 ≣E46It (open)
25Maderna Carlos H ...Dodero Emilio (ARG)1-029 ≣E20Ch Argentina
445Manukyan Sargis A...2102Abrahamyan Tatev ...22891-032 ≣E20Memorial Karen As...24 Jun 2011
147Marchand Erick (FRA)2185Hauchard Arnaud (...25470-130 ≣E20Tournament
179Maric Mirjana (SRB)2305Markovic Gordana ...22571-034 ≣E46Ch Yugoslavia (w)
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
140Markovic Gordana ...2257Drasko Milan (MNE)25050-122 ≣A40It (open)
400Markov Sergey (RUS)Khaziev Anvar (RUS)20600-132 ≣E20It (open)03 Jul 2008
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
322Martin Catalan Ju...2134Trigo Conde Isaac...22650-144 ≣E20It (open) (c)
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
452Matanovic Zlatko ...2035Kovacevic Blazimi...24490-133 ≣E20It (open)06 Jan 2012
203Mazzei Alessandro...2190Sardo A1-043E41Ch Italy (juniors)
121McMahon Eric (IRL)2205Gil Capape Javier...23000-135 ≣E20Ch World (juniors...
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
224Meister Thomas2010Kordts Wolfgang (...22360-136 ≣E41Bayern Regionalli...
233Menacher Manfred ...2270Loew Gerald (GER)22701-030 ≣E41Ch Bayern
387Mendes Diego Silv...2062Diniz Paulo Nobil...18051-050 ≣E47Tournament (Elo)04 Nov 2007
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
263Mensch Etienne (FRA)2302Dub Zeev (ISR)21371-027 ≣E20It (cat.2)
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
236Meschke HeinzWrobel Hubertus0-129 ≣A17It (open) (b)
318Mester Gyula (HUN)2410Bernei Andras (HUN)22860-124 ≣E20Ch Hungary (team)...16 Feb 2003
231Metge J Nigel (NZL)2160Barlow Matthew (NZL)21701-037E46Ch New Zealand
232Metge J Nigel (NZL)2160Sutherland John (...20551-029 ≣E41Ch New Zealand
251Micheel Astrid (GER)2075Vinci Sebastiano1-017 ≣E47It (open)
4Mikenas Vladas I ...2405Vulfson V Sr1-031 ≣E20It
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
437Miquel Badenes In...1942Navarro Palma Jav...17630-122 ≣E20Ch Provincial (pr...02 Oct 2010
301Miron Lucian-Cost...2131Popa Marian (ROM)20681-035 ≣E20It \
432Mirzoev Emil (UKR)2109Benidze Gigla (GEO)19180-140 ≣E41Ch Europe (junior...22 Sep 2010
434Mitkov Nikola (MKD)2531Infante Miguel (DOM)22761-044 ≣A40Olympiad23 Sep 2010
359Moskalenko Viktor...2543Lettieri Giuseppe...23061-046 ≣E20It (open)
328Moskalenko Viktor...2551Flores Vallcorba ...20711-026 ≣E20It (open)03 Aug 2004
287Moskalenko Viktor...2522Campos Moreno Jav...25001-045 ≣E46Ch Catalunia15 Apr 2001
293Mourot Clara (FRA)1982Brunner Nicolas (...22590-140 ≣E20Ch France (team) ...
267Mourot Clara (FRA)1982Buland Cynthia (FRA)1-037 ≣E20Ch France (team) ...
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
16Mueller Klaus-Uwe...2320Schlieder Rolf1-039 ≣E41Ch DDR
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
164Mujica JSadauskas Marcelo1-035 ≣E41corr.
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
143Mustonen VesaTingander Ari-Pekka1-031E20?
248Muttoni Guillermo...Gyimesi Zoltan (HUN)25250-133 ≣E41?
454Nadimifar Adnan2172Rezaei Kheirabadi...20711-031 ≣E41Cup Armen Norouz28 Mar 2012
416Nagibin George (RUS)2392Arustamian Artur ...23881-031 ≣A13It (cat.6)23 Jul 2009
180Nakamura Ryuji (JPN)2186Masserey Yvan (SUI)23290-130 ≣E20Ch World (juniors...
73Neamtu Serban-Con...2278Papapostolou Chri...20731-031 ≣E47Tournament (team)
296Nesteruk DmitryTimofeev Vladimir...23310-136 ≣E20It (open)
262Neubauer Ralf Dr ...2049Koeck Brigit0-133E47It (open)
363Neverov Valeriy (...2538Collier David (ENG)21751-030 ≣E41It (open)23 Sep 2006
379Neverov Valeriy (...2558Swathi Ghate (IND)23161-028 ≣E46It (open)12 Aug 2007
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)