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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

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
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
132Garcia Balado LShocron Ruben (USA)22590-133 ≣E20Ch Argentina
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
136Spassky Boris V (...2548Tal Mikhail N (LAT)25200-173 ≣E20Ch URS
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
354Stafrace JHamalainen Sami (...22660-134 ≣E20Ch Europe (juniors)
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
365Wohlers-Armas Fri...2145Podrazhanskaya Ol...20680-143 ≣E20Zt (w)
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
149Vladimirov Boris ...2340Shamkovich Leonid...23420-125 ≣E20Ch URS
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
158Iljinsky Yaroslav...2270Rosenfeld Isai K0-166 ≣E20Ch URS (1/2 final)
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
161Farias Sergio A (...2220Hollmann Jose0-188 ≣E20Ch Brazil
162Lombardy William ...2435Evans Larry M (USA)24700-142 ≣E20Match
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
163Mileika JanisGipslis Aivars (LAT)24290-134 ≣E20Ch Latvia
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
407Skoberne D1850Marusic V18500-158 ≣E20Ch Slovenia (1 liga)
169Bratcko ICeglar Michael (GER)20000-129 ≣E20Tournament
170Calero I (CUB)Ivkov Borislav (SRB)24160-142 ≣E20Memorial J.Capabl...
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
180Detthow BoDe Freitas Marcio...0-141 ≣E20Zt
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
437Richter Michael (...2225Lagershausen Thomas0-153 ≣E41It (open) \
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
185Lubienski Tadeusz...2033Salminsh Gedimins...0-135 ≣E20Cup Baltic (corr.)
472Schelter Thomas (...2170Gebhardt Ulrich (...22250-129 ≣E20Oberliga East 199...
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
190Popovic Petar (SRB)2485Karaklajic Nikola...23030-135 ≣E20It
193Kaminik Aleksanda...2168Shmit Anatoly (LAT)22000-132 ≣E20Ch URS (team)
194Tate LSLudgate Alan (IRL)22650-136 ≣E20Ch Great Britain ...
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
201Maher VincentHenry Paul (IRL)23750-138 ≣E20Ch Ireland
202Oestreich ReinhardSoelter Reinhold ...20720-149 ≣E20Ch OWL
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
204Sikora Jan (CZE)2251Pachman Ludek (GER)22780-134 ≣E20Ch Czechoslovakia
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
208Holt EricRomanishin Oleg M...25370-134 ≣E20It (open) (junior...
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
914Cyra Dariusz (POL)1832Riazantsev Alexan...27100-136 ≣E20Ch Europe (active)17 Dec 2011
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
597Moskalenko Viktor...2471Campos Moreno Jav...24840-120 ≣E41It (open)
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
532Dang V Dung (VIE)2138Zagrebelny Sergey...24750-130 ≣E20Ch World Cities
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
417Petrov Peter2325Christov I0-133 ≣E20corr.
429Belcher EdwardFriedman Josef (USA)21860-160 ≣E20It (open)
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
552Tschann Stephan (...2211Stockmann Michael...22840-130 ≣E20Ch City
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
210Biyiasas Peter (USA)2450Ludgate Alan (IRL)22650-155 ≣E20Ch British Columbia
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
246Gotzhein HKuehn0-143 ≣E20corr.
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
610Sarthou Gaetan (FRA)2399Spiridonov Nikola...24000-134 ≣E41It
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007