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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
563Jakab Attila (HUN)2402Berczes Csaba (HUN)24191-039 ≣E47It (cat.2)
562Pelletier Yannick...2589Lutz Christopher ...25961-041 ≣E47It (cat.16)
561Giuriato Sergio (...2020Wronn Bernd (GER)22510-120 ≣E40It (open)
560Milanovic Danilo ...2429Vasovski Nikola (...23251-031 ≣E47It (open)
559Golovchenko Gleb ...2260Vlasov Egor (RUS)22510-136 ≣E41Ch City (juniors)...
558Martinez Fernande...2001Lalic Bogdan (ENG)25470-138 ≣D02It (open)
557Computer \Computer \0-150 ≣E46It (computers)
556Jasny Stanislav (...1858Machycek Lubomir ...22711-034 ≣E47It (open)
555Johannessen Leif ...2527Moen Andreas (NOR)22650-134 ≣A15It (cat.6)
554Gutov Andrey (RUS)2366Kolomensky Vladim...23151-047 ≣E41Ch Russia (1/2 fi...
553Prasad Devaki V (...2400Mishra Neeraj-Kum...23411-043 ≣E47Ch India
552Shipov Sergei (RUS)2604Bagirov Rufat (AZE)24940-136 ≣E10It (open) \
551Khurtsidze Nino (...2433Balashov Yuri S (...25211-033 ≣A40It (open) \
550Gutierrez Lopez C...2172Lorenzini Martin ...23751-041 ≣E47It (open)
549Gutierrez Lopez C...2172Jimenez Ruiz Jose...19800-134 ≣A40Ch Malaga (qual)
548Grycel Kamil (POL)2295Dobrowolski Piotr...23960-136 ≣E47Ch Poland (team)
547Ferrufino Boris (...2201Pecorelli Garcia ...24510-133 ≣E47It \
546Davydenko Andrey ...2080Novoselsky Oleg (...21950-140 ≣E46Memorial Y.Sakhar...
545Divljan Igor (YUG)2165Gerzhoy Leonid (CAN)23800-147 ≣E47Ch World (juniors...
544Westermayer Johan...1802Baumegger Siegfri...23500-132 ≣E47It (open)
543Muse Drazen (CRO)2442Ellers Holger (GER)24251-034 ≣A05Bundesliga 2002/03
542Johannessen Leif ...2527Jenni Florian (SUI)25161-029 ≣A15Bundesliga 2002/03
541Babula Vlastimil ...2581Luther Thomas (GER)25751-033 ≣A40Bundesliga 2001/02
540Salo Heikki (FIN)2279Sorsa Nuutti (FIN)22311-040 ≣E47Ch Finland (team)...
539Niemela Antti (FIN)2256Koskela Niina (FIN)23101-045 ≣E47Ch Finland (team)...
538Netusil Miroslav ...2306Prandstetter Edua...23650-135 ≣E47Czech League (V) ...
537Niklasch Oliver (...2324Kveinys Aloyzas (...25410-132 ≣E47It (open)
536Johannessen Leif ...2527Moussa Alaa-Eddin...22121-045 ≣E47Olympiad
535Ali Bin Ali (UAE)2175Ghorbani Mohsen (...23170-133 ≣E47Ch Asian Cities (...
534Kramnik Vladimir ...2809Tiviakov Sergei (...25991-038 ≣E47It (cat.19)
533Zolotov Bogdan (RUS)2207Chuiko Alexander ...24130-141 ≣E40Ch Tula Region (o...
532Degtiarev Evgeny ...2180Faizrakhmanov Gen...21900-133 ≣E41Ch Russia (junior...
531Motuz Karol (SVK)2354Markos Jan (SVK)24350-137 ≣E47Extra League 2001/02
530Jussupow Artur (GER)2633Solomunovic Igor ...24211-037 ≣E47It (open)
529Santa Luis A (PUR)2161Campora Daniel H ...25360-121 ≣E47It (open)
528Prudnikova Svetla...2411Baginskaite Camil...23361-034 ≣E47Ch World FIDE (KO...
527Graf Alexander (GER)2610Sulskis Sarunas (...25711-031 ≣E47Ch World FIDE (KO...
526Montalvo Alejandr...2259Warner Delisle (BAR)21761-031 ≣E47Sub-zt
525Figueroa Tomas (CHI)2104Vasquez Rodrigo (...24680-123 ≣E47Memorial Pedro Do...
524Michenka Jozef (CZE)2323Holeksa Zdenek (CZE)21061-031 ≣E47It (open)
523Hasidovski Arnold...2202Marcotulli Giancarlo1-043 ≣E47Tournament (IECG)
522Kekki Petri (FIN)2300Sorsa Nuutti (FIN)22771-046 ≣E47Ch Finland
521Graf Alexander (GER)2610Kveinys Aloyzas (...25471-030 ≣E47Bundesliga 2000/01
520Labat Antoine (FRA)2024Dourerassou Jonat...21030-142 ≣E11Ch France (team) ...
519Salo Heikki (FIN)2242Sorsa Nuutti (FIN)22771-038 ≣E47Ch Finland (team)...
518Salo Heikki (FIN)2242Nyysti Sampsa (FIN)22150-148 ≣E47Ch Finland (team)...
517Graf Alexander (GER)2610Zeller Frank (GER)24530-139 ≣E40It (open)
516Albarran Gustavo ...2255Martello J A (ARG)1-034 ≣E47It \
515Albarran Gustavo ...2255Vazquez Maximilia...21311-050 ≣E47Ch Superior Torre...
514Zuehlke Burkhard ...2173Ertl Rolf21601-034 ≣E47Bayern Regionalli...
513Computer \Computer \1-047 ≣E47Tournament (compu...
512De Souza Mauro (BRA)2366Tsuboi Edson Kenj...23411-039 ≣E47Ch Paulista (final)
511Savon Vladimir A ...2449Smirnov Igor (UKR)24161-047 ≣E41Ch Ukraine (team)
510Korotylev Alexey ...2528Paramonov Dimitri...23321-032 ≣E47Memorial M.Chigor...
509Van Beers Eddy (BEL)2346Kolev Atanas (BUL)25820-143 ≣E47Olympiad
508Kantsler Boris (ISR)2524Gershon Alik (ISR)25021-030 ≣E47Ch Israel (team)
507Rozumbersky ASeiner F1-032 ≣E47It (open)
506Kunz Konstantin (...2186Luther Thomas (GER)25470-146 ≣E47It (open)
505Computer \Computer \1-045 ≣E47It (computers)
504Aboud Firas (SYR)2310Aboudi M (JOR)21661-042 ≣E47Ch Asian Cities (...
503Rogers Ian (AUS)2574Solomon Stephen J...24351-041 ≣E47It (cat.10)
502Elsness Frode (NOR)2395Khenkin Igor (GER)26330-150 ≣E41Cup Rilton
501Babula Vlastimil ...2567Rigo Zsolt (SVK)22221-027 ≣E47Ch Slovakia
500Bernat Marcin (POL)2227Rybak Tomasz (POL)21631-030 ≣E41Ch Poland (team) ...
499Kodentsov Grisja ...2275Werle Jan (NED)22161-040 ≣E20Ch Netherlands (j...
498Mihelakis GeorgiosGelashvili Tamaz ...25311-019 ≣E47It (open)
497Cody Philip CMurden Clive1-040 ≣E47corr. ICCF
496Balogh JBoros Laszlo (HUN)19190-139 ≣E41Ch Hungary (team)...
495Kovacs Istvan (HUN)2236Somogyi Istvan (HUN)22381-050 ≣E21Ch Hungary (team)...
494Kay JBStracy D (NZL)1-033 ≣E41Ch North Island (b)
493Buhmann Rainer (GER)2386Schreiner Richard...21921-049 ≣E47Bundesliga (2nd) ...
492Gislason IngolfurSteindorsson Sigu...20520-135 ≣E47It (open) \
491Gual Pascual Anto...2433Kolev Atanas (BUL)25580-141 ≣E47It (open)
490Sturua Zurab (GEO)2602Tiviakov Sergei (...26111-045 ≣E47Cup European Club...
489Potapov Alexander...2241Filippov Valerij ...25951-045 ≣E41Cup Russia
488Nor Igor (ISR)2280Jagodzinski Andre...22150-141 ≣E47It (cat.2)
487Michenka Jozef (CZE)2315Klima Lukas (CZE)22851-038 ≣E47It
486Galt ArMikhailov Sergey ...23970-130 ≣E41It (open)
485Mancini Mario (FRA)2285Marzolo Cyril (FRA)23701-024 ≣E47Ch France (b)
484Garcia Palermo Ca...2470Van Riemsdijk Her...24050-148 ≣E10It (cat.6)
483Kveinys Aloyzas (...2545Nikcevic Nebojsa ...24801-035 ≣A13It (open)
482Romanov Oleg (BLR)2380Klima Lukas (CZE)22851-047 ≣E47It (open)
481Nesic Nebojsa (SRB)2175Ostojic Nikola (SRB)24450-138 ≣E47It (cat.8)
480Cody Philip CMary Patrick0-145 ≣E47?
479Eberhardt Olaf (GER)2099Wohlfart Paulus D...22220-140 ≣E41Oberliga 1997/98
478Nor Igor (ISR)2280Seidl Juergen (GER)21701-035 ≣E41Memorial Karl Wag...
477Juhnke Karl (GER)2290Wronn Bernd (GER)21921-048 ≣E47Oberliga Northwes...
476Speelman Jonathan...2600Ellers Holger (GER)24251-040 ≣A05Bundesliga 1998/99
475Doyle JimGrant Alan (SCO)21860-134 ≣E47Ch West Scotland
474Huss Rolf (GER)2163Schild Christoph ...22880-132 ≣A40It (open)
473Cherepkov Alexand...2395Leonidov Vitaly (...23651-026 ≣E47Memorial V.Zagoro...
472Kostin Sergei (RUS)2290Tunik Gennady (RUS)24500-147 ≣E41Cup Russia (open)
471Khasin Abram (RUS)2420Leonidov Vitaly (...23650-142 ≣E41It (seniors)
470Burlov Vassili (RUS)2345Nikolenko Oleg (RUS)24900-143 ≣E41Ch Moscow
469Computer \Luther Thomas (GER)25250-146 ≣A40It (cat.7)
468Pieniazek Artur (...2415Luther Thomas (GER)25250-136 ≣A40It (open) (a)
467Karayannis Athana...2245Nikolaidis Ioanni...25200-143 ≣E41It (open)
466Zilberman Yaacov ...2560Tsesarsky Ilya (ISR)24451-030 ≣E41Tournament
465Schoen Wolfram (GER)2410Hall Jesper (SWE)24600-140 ≣E47Bundesliga (2nd) ...
464Michenka Jozef (CZE)2330Machycek Lubomir ...22550-140 ≣E47Ch MSS