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Nimzo-Indian, 4.e3, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3+ 9. bxc3 dxc4

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
240Christoffel Marti...Sarosi Zoltan (HUN)22971-040 ≣E47Olympiad (corr.)
719Wojtaszek Radosla...2704Sasikiran Krishna...26890-140 ≣E47It (cat.18)17 May 2011
696Lahiri Atanu (IND)2341Savic Miodrag R (...25030-143 ≣E41It (open)12 Jul 2010
203Corleo GSchaetzel F0-124 ≣E47Ch Europe (corr.)
474Huss Rolf (GER)2163Schild Christoph ...22880-132 ≣A40It (open)
261Cherek GunterSchimron H0-129 ≣E40corr.
195FehsingerSchlosser1-029 ≣E41Europe Tournament...
192Hofmann GeorgeSchmid Hans-Peter...18990-142 ≣E41corr.
355Foldi Istvan (HUN)2285Schmittdiel Eckha...24550-136 ≣E41Memorial Elekes
174Podgaets Mikhail ...2465Schoeneberg Manfr...22791-033 ≣E47Ch World (students)
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
493Buhmann Rainer (GER)2386Schreiner Richard...21921-049 ≣E47Bundesliga (2nd) ...
636Koelbl Wolfgang (...1912Schulte Torsten (...22310-130 ≣E47It (open)02 Aug 2007
186Bronstein Luis (ARG)2349Schweber Samuel (...23480-138 ≣E41It
713Schnider Gert (AUT)2358Schwenk Andreas (...21301-035 ≣E11It (open)17 Feb 2011
329MatthaeiSebald Ralph1-028 ≣E41corr.
105O'kelly De Galway...2460Secchi Ernesto1-042 ≣E41Ch World (corr.)
478Nor Igor (ISR)2280Seidl Juergen (GER)21701-035 ≣E41Memorial Karl Wag...
507Rozumbersky ASeiner F1-032 ≣E47It (open)
280Glasewald Stefan ...2079Selke Horst1-047 ≣A40corr.
302MolzahnSelke Horst1-035E47corr.
282Kell KlausSelke Horst1-024 ≣A40corr.
394Semkov Semko (BUL)2450Serrano Marhuenda...21031-022 ≣E47It (open)
200Cardoso Carlos Al...2207Sharif Mehrshad (...23300-141 ≣E41Olympiad
201Littleton Michael...2275Sharif Mehrshad (...23301-012 ≣E10Olympiad
95Evans Larry M (USA)2470Sherwin James T (...22460-142 ≣E41Ch USA
85Emma Jaime (ARG)2395Shocron Ruben (USA)22591-037 ≣E47?
112Souza Mendes JoaoShocron Ruben (USA)22591-046 ≣E41?
86Polo Gomez Vicent...2212Shocron Ruben (USA)22590-142 ≣A17?
225Gorniak Juri (MDA)Siniavsky Alexander1-021 ≣E21Olympiad URS
679Mouritsen Jan (DEN)1758Skovgaard Tom (DEN)19830-143 ≣E47It (open) \22 Jul 2009
452Iskusnyh Sergei (...2460Skvortsov A (RUS)23370-137 ≣E47Ch Russia (1/2 fi...
310Genovese ESleidinger GR1-040 ≣E46?
35Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22351-028 ≣E47Zt
224Beliavsky Alexand...2500Slutzky Leonid (ISR)23281-030 ≣E47Olympiad URS
511Savon Vladimir A ...2449Smirnov Igor (UKR)24161-047 ≣E41Ch Ukraine (team)
659Kuchynka Lubos (CZE)2050Smith David J (IRL)18281-038 ≣E47It (open)24 Aug 2008
503Rogers Ian (AUS)2574Solomon Stephen J...24351-041 ≣E47It (cat.10)
530Jussupow Artur (GER)2633Solomunovic Igor ...24211-037 ≣E47It (open)
747Tovmasian Vardges...2420Soltanici Ruslan ...23970-142 ≣E47Memorial V.Naboko...25 Apr 2012
141Lengyel Levente (...2293Somogyi Istvan (HUN)22051-041 ≣E47Ch Hungary
495Kovacs Istvan (HUN)2236Somogyi Istvan (HUN)22381-050 ≣E21Ch Hungary (team)...
652Fistek Dariusz (POL)2265Sopur Lech (POL)24250-135 ≣E10It (open)28 Apr 2008
522Kekki Petri (FIN)2300Sorsa Nuutti (FIN)22771-046 ≣E47Ch Finland
519Salo Heikki (FIN)2242Sorsa Nuutti (FIN)22771-038 ≣E47Ch Finland (team)...
540Salo Heikki (FIN)2279Sorsa Nuutti (FIN)22311-040 ≣E47Ch Finland (team)...
253Portisch Lajos (HUN)2630Sosonko Gennadi (...25751-038 ≣E41It (cat.14)
669Mogoranskikh Anto...2080Sotnikovich Georg...20431-029 ≣E47Ch Club MEPHI (1 ...19 Feb 2009
5Martin Pedro (ARG)2021Souza Mendes Joao1-034 ≣E41Zt
166Petrosian Tigran ...2580Spassky Boris V (...25481-041 ≣E47Ch World (match)
47Furman Semen (RUS)2550Spassky Boris V (...25481-029 ≣E41Ch URS
40Schweber Samuel (...2348Spassky Boris V (...25480-135 ≣E41Ch World (juniors...
39Jorgensen Vagn RauheSpassky Boris V (...25480-133 ≣E41Ch World (juniors...
256Chandler Murray G...2380Speelman Jonathan...24700-144 ≣E47It
301KummerStache1-047 ≣E47corr.
303Kahn Manfred (GER)2139Staller Peter (GER)22441-043 ≣A40It
380Popov Sinisa S (SRB)2443Stanimirovic Alek...22401-031 ≣E40Ch Yugoslavia (team)
492Gislason IngolfurSteindorsson Sigu...20520-135 ≣E47It (open) \
67Gligoric Svetozar...2447Stenborg Ake (SWE)22800-148 ≣E41Zt
55Dittmann SieghardSterner Olaf1-048 ≣E47It
93Pachman Ludek (GER)2278Sterner Olaf1-043 ≣E47Olympiad
126O'kelly De Galway...2460Stockl E1-039 ≣E47It
20Moisieev Oleg L (...2385Stoeckl Ernst (AUT)21741-038 ≣E46Match \
494Kay JBStracy D (NZL)1-033 ≣E41Ch North Island (b)
319Radulov LStrand1-046 ≣E46Europe Tournament...
527Graf Alexander (GER)2610Sulskis Sarunas (...25711-031 ≣E47Ch World FIDE (KO...
738Netusil Miroslav ...2318Sura Jaroslav (CZE)21871-033 ≣E47Ch Czech Republic...27 Nov 2011
354Remensberger HSuri Hans (SUI)20081-038 ≣E47It (open)
735Lund Stale (NOR)1848Swiercz Dariusz (...25850-119E47It (open)03 Nov 2011
749Korobov Anton (UKR)2679Swiercz Dariusz (...25651-045 ≣E47Match \29 May 2012
1Benko Pal C (USA)2408Szabo Laszlo (GER)22001-046 ≣E47
106Bertholdt DieterSzabo Laszlo (HUN)19031-029 ≣E47It
80Uhlmann Wolfgang ...2379Szabo Laszlo (HUN)19030-131 ≣E47Zt
31PasmanTal Mikhail N (LAT)25200-133 ≣E47Ch Latvia
212Reshevsky Samuel ...2560Tan Lian-Ann (SIN)23701-043 ≣E47Izt
733Urkedal Frode (NOR)2447Tari Aryan (NOR)22241-029 ≣E47It (open)02 Oct 2011
338Marks IanTenev Teno P0-139 ≣E47Europe Tournament...
620Abeln Michiel (NED)2380Thorfinnsson Brag...23870-138 ≣E47Cup European Club10 Oct 2006
238Knaak Rainer (GER)2520Timoscenko Gennad...24830-134 ≣E47?
286Knaak Rainer (GER)2505Tischbierek Raj (...24541-042 ≣E41It
490Sturua Zurab (GEO)2602Tiviakov Sergei (...26111-045 ≣E47Cup European Club...
433Ivanchuk Vassily ...2740Tiviakov Sergei (...26551-036 ≣E47It (cat.17)
534Kramnik Vladimir ...2809Tiviakov Sergei (...25991-038 ≣E47It (cat.19)
715Nieto Emanuel (BEL)2275Tjiam Dharma (NED)23820-140 ≣E41Ch Belgium (team)...27 Feb 2011
388Tsevremes Ioannis...1955Tolnai Tibor (HUN)24950-133 ≣E47It (open)
390Kjeldsen Jens (DEN)2365Tolnai Tibor (HUN)24950-131 ≣E47It (open)
689Shevtsov KirillTrifonov Aleksand...0-122 ≣E47Tournament (open)09 Jan 2010
143Beggi Pierluigi (...2122Trincardi Tullio ...22351-032 ≣A17It
14Tolush Alexander ...Troianescu Octav ...23301-037 ≣E41It
156Harjunpaa VeikkoTschernauskas0-134 ≣E41Cup Baltic (corr.)
466Zilberman Yaacov ...2560Tsesarsky Ilya (ISR)24451-030 ≣E41Tournament
181Cherepkov Alexand...2395Tseshkovsky Vital...24720-141 ≣E41Ch URS
512De Souza Mauro (BRA)2366Tsuboi Edson Kenj...23411-039 ≣E47Ch Paulista (final)
300GriesbachTucek Jan1-036 ≣E47corr.
742Baciu Stefan (ROM)2222Tudose Cristian (...18541-039 ≣E40Ch Romania17 Feb 2012
472Kostin Sergei (RUS)2290Tunik Gennady (RUS)24500-147 ≣E41Cup Russia (open)
57Bisguier Arthur B...2237Turner Abe22001-046 ≣E41Memorial Rosenwald
603Radziewicz Iweta ...2453Turov Maxim (RUS)25460-120 ≣E41It (cat.7)06 Nov 2005
459Valden Petros (GRE)2243Tzoumbas Anastasi...23800-141 ≣E41Ch Greece (team)
130Oikamo ReijoUitto Matti1-030 ≣E47?