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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
331Ilic Dragan (SRB)2346Podlesnik Bogdan ...23630-125 ≣E41Ch SCG (team) (2 ...16 Sep 2004
310Babos Csaba (ROM)2253Meszaros Tamas (HUN)23641-041 ≣E20It (cat.1)
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
189Haimovich Tal (ISR)2408Birnboim Nathan (...23691-027 ≣E41It (b)
61Kristinsson (ISL)Luginbuhl Erwin (...23701-033 ≣E20Olympiad
264Derieux Christian...2172Masserey Yvan (SUI)23700-141 ≣E46It (open)
149Spycher Bernard2200Klauser Markus (SUI)23710-124 ≣E41Memorial Hans Klee
54ZubietaHaygarth Michael ...23750-141 ≣E47Olympiad
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
205Lisko Frantisek (...2311Lipka Juraj (SVK)23751-043 ≣E41Slovak League 199...
81Acosta Mariano (ARG)2000Hernandez Roman (...23751-046 ≣E20Ch World (team) (...08 Aug 1969
294Norri Joose (FIN)2403Agopov Mikael (FIN)23761-028 ≣E41Ch Finland
101Pliester Leon (NED)2300Taulbut Shaun M (...23760-138 ≣E41It (open)
413Swaraj Palit (IND)2140Sharma Dinesh K (...23760-121 ≣E20It (open)11 Jan 2009
455Conquest Stuart (...2509D'Costa Lorin (ENG)23811-036 ≣E46Ch England (team)...06 May 2012
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
142Rokitta NSonntag Hans-Hube...23850-140 ≣E46It (open) \
196Soman Satchidanan...2320Ravi Thandalam Sh...23850-150 ≣E41Ch India
416Nagibin George (RUS)2392Arustamian Artur ...23881-031 ≣A13It (cat.6)23 Jul 2009
137Shereshevski Mikh...2475Piesina Gintautas...23901-047 ≣E41Ch URS (1/2 final)
384Krush Irina (USA)2475Smith Bryan G (USA)23920-136 ≣E41US Chess League24 Oct 2007
258Aaltio Erkki (FIN)2133Sammalvuo Tapani ...23930-147 ≣E20It (open)
340Grozdanic Goran (...2019Bilobrk Franjo (CRO)23950-119 ≣E46Cup Croatia (team)02 Jun 2005
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
175Gofshtein Zvulon ...2550Tompa Janos (HUN)23980-127 ≣E20It (open)
315Zaiatz Elena (RUS)2400Khurtsidze Nino (...23990-150 ≣E47Ch Europe (w)
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
349Dimitrijevic Srdj...2282Andonov Bogomil (...24011-027 ≣A40It (open) \
210Gurevich Mikhail ...2585Jackelen Thomas (...24051-033 ≣E41It (2)
389Amerkeshev Madiya...2157Nikolov Sasho (BUL)24090-143 ≣E47Memorial Baharov ...28 Nov 2007
411Ehlvest Jaan (USA)2581Garcia Gildardo (...24101-035 ≣E47Memorial C.Torre ...17 Dec 2008
283Halkias Stelios (...2519Khetsuriani Besar...24111-033 ≣E41It (open)
87Shereshevski Mikh...2475Yuferov Sergey N ...24121-047 ≣E46Memorial A.Sokolsky
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
102Christiansen Larr...2505Rodriguez Ruben (...24151-033 ≣E47Izt (cat.12)
406Lazkano Gaite Tom...1776Spassov Liuben (BUL)24170-143 ≣E20It (open)20 Sep 2008
281Eckhardt Wladisla...2199Kritz Leonid (GER)24180-132 ≣E46Ch Germany (junio...
364Dobre Claudiu (ROM)2237Cioara Andrei Nes...24191-025 ≣A40Ch Romania28 Nov 2006
111Ravikumar Vaidyan...2385Levitt Jonathan (...24201-038 ≣E20It (open) \
124Ji Yunqi (CHN)2327Zhang Weida (CHN)24200-135 ≣E20Ch China
183Tisdall Jonathan ...2465Lyrberg Patrik (SWE)24200-132 ≣E41It (open)
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
239Punteri Marco (ITA)2049Sale Srdjan (CRO)24250-141 ≣E41It (open)
358Foisor Mihaela-Ve...1981Hanley Craig (ENG)24270-150 ≣A40It (open)30 Jul 2006
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
51Rotstein Efim (GER)2341Lazarev Efim M (UKR)24280-132 ≣E47Ch Ukraine
424Jobava Baadur (GEO)2710Neubauer Martin (...24281-036 ≣E20Ch Europe06 Mar 2010
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
8Botvinnik Mikhail...2630Reshevsky Samuel ...24300-142 ≣E41Ch World (match-t...
414Gonda Laszlo (HUN)2499De Vreugt Dennis ...24300-128 ≣E41Bundesliga 2008/0901 Feb 2009
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
24Voiculescu Paul (...2282Kholmov Ratmir D ...24320-131 ≣E46It
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
128Dickenson Neil F ...2245Karolyi Tibor Jr ...24350-130 ≣E41It \
370Georgiev Vladimir...2576Kraemer Martin (GER)24361-033 ≣E46It \07 Jun 2007
403Li Ruofan (SIN)2426Mas Hafizulhelmi ...24391-040 ≣E46It (open)23 Aug 2008
120Ker Anthony F (NZL)2344Hellers Ferdinand...24400-129 ≣E41Ch World (juniors...
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
207Zaiatz Elena (RUS)2441Kayumov Dmitry D ...24411-038 ≣E41Memorial A.Zaitsev
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
37Botvinnik Mikhail...2307Averbakh Yuri L (...24451-024 ≣E47Game (training)
259Ulko Jaroslav (RUS)2454Tunik Gennady (RUS)24471-033 ≣E46Cup Russia (open)
452Matanovic Zlatko ...2035Kovacevic Blazimi...24490-133 ≣E20It (open)06 Jan 2012
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
220Agrest Evgenij (SWE)2475Sjoberg Mats (SWE)24501-033 ≣E46Cup Rilton
95Ivanov Igor V (CAN)2424Jussupow Artur (GER)24500-150 ≣E41Ch URS (1 liga)
91Choon Foo LC2200Rossolimo Nichola...24500-133 ≣E47Olympiad
187Aleksandrov Aleks...2618Savon Vladimir A ...24501-047 ≣E47Zt
354Gonda Laszlo (HUN)2495Ilincic Zlatko (SRB)24511-022 ≣E46It (cat.7)04 Jun 2006
173Doering Thomas (GER)2205Komarov Dimitri (...24550-129 ≣E41It (open)
41Ciocaltea Viktor ...2420Geller Efim P (RUS)24550-129 ≣E41Memorial Przepiorka
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
228Arizanov Tome (MKD)2108Bogdanovski Vlatk...24600-128 ≣E46It (open)
113Korzubov Peter (BLR)2460Kharitonov Andrei...24600-144 ≣E47It
192Vretos VRytshagov Mikhail...24600-119 ≣E20It (open)
115Balashov Yuri S (...2510Novikov Igor A (USA)24651-042 ≣E41?
368Rej Tomek (AUS)2283Solomon Stephen J...24651-037 ≣E20It (open)13 Apr 2007
443Galojan Lilit (ARM)2389Kosteniuk Alexand...24690-140 ≣E46It (w)04 Feb 2011
213Vigh Bela (HUN)2355Palkovi Jozsef (HUN)24700-125 ≣E41Ch Hungary (team)...
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
188Agrest Evgenij (SWE)2599Kiselev Sergey (RUS)24700-127 ≣E41It (a)
378Pak Evgeniy (KAZ)2184Prohaszka Peter (...24700-135 ≣E46Olympiad (under 16)11 Aug 2007
114Cvitan Ognjen (CRO)2450Gruenberg Hans-Ul...24701-040 ≣E41It (cat.9)
326Zaiatz Elena (RUS)2400Kovalevskaya Ekat...24711-035 ≣E47Ch Russia (w)04 Jul 2004
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
214Aleksandrov Aleks...2525Dragomarezkij Evg...24751-047 ≣E41It (open)
288Scharping Hans-Ma...2125Schenk Andreas (GER)24780-147 ≣A40It (open) \
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
335Garcia Galeote Lo...2124Lopez Martinez Jo...24810-127 ≣E20It (open)05 Dec 2004
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
339Otero Diasmany (CUB)2414Hernandez Holden ...24831-047 ≣E47Ch Cuba (Gr. B)10 Apr 2005
291Unmack Christian ...2085Palo Davor (DEN)24840-128 ≣E20It (open) \
105Balashov Yuri S (...2545Gavrikov Viktor (...24851-026 ≣E41Ch URS (1 liga)
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
22Donner Jan-Hein (...2430Matanovic Aleksan...24900-143 ≣E47It
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It