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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
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
127Esposito AlfredoPiro A1-035 ≣E20Tournament
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
500Einarsson Bergste...2175Kristjansson Stef...24851-035 ≣E41It (open)
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
69Balanel Ion (ROM)Szabo Stefan1-078E20It
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
143Maska JWolff H20001-039 ≣E20Europe Tournament...
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
632Galvan Jesus (PER)2187Lorenzini Martin ...23671-036 ≣E20Memorial Pablo Go...
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
537Maksimovic Suzana...2300Lazic Marina (YUG)22201-019 ≣E20Ch Yugoslavia (te...
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
807Muraviev DLugovoy Yury (RUS)22581-029 ≣E20Ch City (open)
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
50Szabo Laszlo (HUN)1903Laszlo C (HUN)1-029 ≣E20Ch Hungary
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
42Purdy John S (AUS)2143Napolitano Mario ...1-045 ≣A15?
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
57Stoltz Gosta (SWE)Pachman Ludek (GER)22780-147 ≣A13It
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
239Brilla Banfalvi S...Koskinen Unto1-027 ≣E20corr.
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
3Stahlberg Gideon ...Keres Paul (EST)25800-127 ≣A40It
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
12Cruz Walter Oswal...De Souza Mendes J...1-035 ≣E20Ch Brazil (qual)
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
15Reshevsky Samuel ...2430Levin Jacob1-039 ≣E20Ch USA
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
248Bonilla JoseTikkanen Kari (FIN)22600-121 ≣A17Ch World (juniors...
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
55Esposito AlfredoSouza Mendes Joao1-023 ≣E20Zt
59Geller Efim P (RUS)2455Lipnitsky Isaak (...1-033 ≣E20Ch URS
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
67Szabo Laszlo (HUN)1903German Eugenio (BRA)23151-059 ≣A13Olympiad
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil