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King's Indian, Petrosian System, Main line 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5

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
71Blomberg AnteroSockel Karl-Heinz1-025 ≣A48corr.
31Johannes RonaldWaters P21840-133 ≣A05Ch Great Britain ...
236Okoneshnikova Gal...Ukrainskaya Svetl...0-130 ≣A42Ch Russia (junior...
11ZaksBoleslavsky Isaac...25600-131 ≣A48Ch Belarus
232Keto HannuHeikkinen Jyrki0-131 ≣A16Ch Finland (team)...16 Nov 2003
214Sanetra SLuch Michal (POL)22711-029 ≣A48Ch Poland (team) ...
211Akochik VictorDe Schiffart Sipke1-033 ≣A05It (open) (b)
148Grothkopp DietrichHachmann Bjoern0-131 ≣A53It (open)
140Tran Ngoc QuynhBui Ngoc Anh0-133 ≣A48Ch Vietnam (team)
132Piepenburg RolfStimpel Franz (GER)21791-024 ≣A05Oberliga 1994/95
178Edlinger WilhelmTobisch Manfred D...20590-126 ≣A48It (open)
130Mai Thanh HuongLe Thanh Huyen (VIE)1-032 ≣A48Tournament (open)...
109Strugach LMills James A (USA)21141-035 ≣A48Tournament (e)
98Heineck ChristinaFuchs Antje (GER)21240-122 ≣A04Bundesliga (2nd) ...
6Wexler Bernardo (...Reshevsky Samuel ...24300-135 ≣A16It
36Moberly R Walter LCox David (IRL)23001-031 ≣A53It (open) (junior...
94Flor AEltrich Martin (GER)19980-134 ≣A16Ch Oberschwaben (b)
88Soto OCerpa Deniz Jose ...20850-124 ≣A05It (open)
86Guercia Sammarco ECelestini Mauro (...0-111 ≣A16?
45Fried DWatson John L (USA)23331-031 ≣A16It \
79Freise ReinhardDoerr Klaus0-126 ≣A48It (open) (c)
64Marotz HJOechslein Rainer ...22590-126 ≣A53corr.
202Nevednichy Vladis...2593Vidal Guillaume (...20491-028 ≣A16It (open)
274Kogan Artur (ISR)2561Alexikov Alexande...23711-034 ≣A48Ch Israel (team)04 Jan 2008
56Rogers Ian (AUS)2545Suradiradja Herma...22381-036 ≣A16It
305Stanec Nikolaus (...2543Holzer Gerhard (AUT)21831-036 ≣A48It (open)14 Aug 2011
52Vaisman Volodia (...2485Adamski Andrzej (...22551-035 ≣A53It (open)
127Ivkov Borislav (SRB)2485Lanka Zigurds (LAT)24800-131 ≣A05It (open)
245Czakon Jakub (POL)2477Dziuba Marcin (POL)24941-036 ≣A48Ch Poland (team) ...06 Sep 2005
198Belozerov Andrei ...2473Kryschilovskij An...22911-024 ≣A16Memorial A.Petrov...
68Ligterink Gert (NED)2470Hendriks Willy (NED)24271-034 ≣A40Ch Netherlands (t...
41Hort Vlastimil (GER)2466Janosevic Dragolj...23301-030 ≣A48It
311Fernando Diogo (POR)2466Valdes Maritza (POR)21551-029 ≣A53Cup Portugal (final)27 May 2012
124Horvath Gyula (HUN)2445Pesztericz Laszlo...21301-033 ≣A10It (open)
81Laketic Gojko (SRB)2443Kopicka Karel (CZE)21231-036 ≣A48It \
47Ree Hans (NED)2440Donner Jan-Hein (...24801-029 ≣A15It (cat.11)
304Laketic Gojko (SRB)2439Di Mantino Mauro19541-032 ≣A48Tournament (open)27 Jul 2011
135Shestoperov Aleks...2435Newerovski Gennad...23801-036 ≣A40Tournament \
272Valenzuela Fuente...2434Jorquera Marcelo ...22961-034 ≣A46It (cat.5)28 Sep 2007
227Laketic Gojko (SRB)2432Del Rio Angelis S...24911-035 ≣A05Ch Italy (team) (...11 May 2003
180Radziewicz Iweta ...2425Oliveira Vera (POR)20251-027 ≣A48Ch Europe (junior...
77Szypulski Andrzej...2405Terzic Safet (BIH)22650-112 ≣A48It
111Pogorelov Ruslan ...2400Medina PA1-036 ≣A05It (open)
157Cvek Robert (CZE)2390Jerabek Petr (CZE)22191-035 ≣A05Moravian League 1...
201Clavijo Jorge (COL)2390Alcivar Torres In...21551-033 ≣A41It (open)
17Bukic Enver (SLO)2383Brinck-Claussen B...22631-030 ≣A05Olympiad (student...
70Ree Hans (NED)2379Bosboom Manuel (NED)23550-130 ≣A05It
166Indjic Dusan (SRB)2375Andrijasevic Momi...21501-036 ≣A48Cup Yugoslavia (t...
72Szmetan Jorge (ARG)2372Urday Henry (PER)24820-126 ≣A05It
38Kottnauer Cenek (...2370Linton William21601-021 ≣A15It (open)
84Gamboa Nelson (COL)2367Cadavid A1-034 ≣A53It
187Niklasch Oliver (...2363Mista Aleksander ...22690-121 ≣A40It (open)
75Fernandez Aguado ...2362Andrade1-034 ≣A48?
118Gonzalez Garcia J...2360Martin Del Campo ...24500-129 ≣A41Memorial J.Capabl...
288Goldwaser Christi...2356Preuss Maximilian...21140-124 ≣A05Ch Argentina (team)16 May 2009
87Tsemekhman Vadim ...2355Eagle C1-036 ≣A48It
40Patterson Nichola...2345Withers WR22001-027A15Olympiad
115Fyllingen Roy Har...2330Ernst Thomas (SWE)24850-130 ≣A41It (open)
248Camarena Gimenez ...2330Jimenez Martinez ...22091-033 ≣A40Ch Spain (univers...06 May 2006
290Huss Andreas (SUI)2330Moehn Hans (GER)19581-034 ≣A48Ch Switzerland12 Jul 2009
51Huss Andreas (SUI)2308Minaya Juan (COL)22071-036 ≣A48Olympiad
282Valle Adriano (BRA)2307Teixeira Aloisio ...20011-031 ≣A05Tournament20 Sep 2008
223Hintze Helge (GER)2296Paehtz Thomas (GER)24210-134A21Ch Germany (Inter...
66Schuetz Thomas (GER)2295Werner Dimo (GER)21900-130 ≣A48Oberliga NRW 1986/87
215Kanko Ilkka (FIN)2294Pietinen Pekka (FIN)20951-032 ≣A41Ch Finland (open)
186Fabiano Giuseppe ...2293Manik Mikulas (SVK)24471-035 ≣A48It (open)
3Rossetto Hector (...2285Bolbochan Jacobo ...1-032 ≣A15It
280Racherbaeumer Mar...2284Orlov Andrey (RUS)25210-136 ≣A42It (open)06 Jul 2008
165Baron Rodriguez J...2283Pascual Paredes J...23181-031 ≣A48Ch Spain (juniors)
262Mayorga Nicolas (...2274Zabala Jorge Adri...20111-028 ≣A05Ch South America ...09 Feb 2007
39Fuller Maxwell L ...2269Belkadi Ridha (TUN)23451-036 ≣A05Olympiad
226Sharevich Anna (BLR)2266Martynuk Tatiana ...21871-036 ≣A48Ch Belarus (w)
196Izquierdo Daniel ...2265Chargonia Alfredo1-036 ≣A48Ch Uruguay (team)
46Bazan Osvaldo (ARG)2260Rossetto Hector (...24350-134 ≣A16Ch Argentina
116Majer Damir (GER)2256Kartmann Juergen ...20551-036 ≣A16It (open)
183Sanchez Repullo D...2254Lanza Pena Albert...20381-027 ≣A48It (open) (junior...
164Gavin Roche Enriq...2253Sebastian Ruben1-027 ≣A40It (open)
154Valle Adriano (BRA)2225Navarro Flavio1-031 ≣A05Ch Brazil (1/2 fi...
170Goossens Etienne ...2219Lallemand Pascal ...21201-029 ≣A48Ch Belgium (team)...
235Kulakov Viachesla...2217Kabarukhin Andrey...22391-031 ≣A40Ch Russia (junior...
182Barlocco Carlo (ITA)2215Lapacciana N1-034 ≣A48It (open)
220Bohnsack Ralf (GER)2214Brinkmann Wilhelm...1-031 ≣A48Oberliga North No...20 Oct 2002
250Headlong Timothy ...2214Wallace Paul (IRL)22420-129 ≣A04Ch England (team)...27 May 2006
208Bohnsack Ralf (GER)2212Schwarz Frank (GER)22460-133 ≣A48Ch Schleswig Hols...
76Meiser Markus (GER)2205Tischendorf Micha...21860-126 ≣A48It (open)
74Titz Heimo (AUT)2202Schoeppl Engelber...22041-035 ≣A15Staatsliga
117Diamond Jim A (USA)2199Colure Thomas Sea...22441-035 ≣A05It \
184Gazik Renata (POL)2195Novak Pavel (CZE)22101-034 ≣A48It (open)
108Kyhle Bo (SWE)2193Berman M21801-021 ≣A05It (open)
120Palacios Perez Ma...2192Molina Fabrizio (...22581-031 ≣A40It (open) \
145Palacios Perez Ma...2192Torres Saulo1-026 ≣A53Olympiade (blindf...
73Reznicek Jan (CZE)2185Tejkal Jiri (CZE)19781-032 ≣A05It
125Dunn Paul (NZL)2184O'brien Rory0-135 ≣A53Tournament \
167Navarro Emanuele ...2184Rocchi Riccardo1-029 ≣A48Tournament (open)...
239Duluc Jeremie (FRA)2179Komons Christian ...19201-026 ≣A05It (open) \03 Sep 2004
162Handke Harald (GER)2174Lanka Zigurds (LAT)25650-122 ≣A48It (open)
159Haydon R (ENG)2173De Coverly Roger ...20470-125 ≣A05Ch England (team)...
260Bashkirov Aleksey...2162Lomanov Aleksandr...21121-030 ≣A48Ch City (open)21 Nov 2006
179Marzano Carlo (ITA)2157Mauro Alan (ITA)22601-035 ≣A48Ch Italy (1/2 final)
313Torres Jose Danie...2153Diaz Illescas Jua...0-133 ≣A48Ch Venezuela (exp...21 Jun 2012