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QGD; Dutch Variation 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bc4 Bb4 8. 0-0 0-0 9. Qe2

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
132Haselhorst Helmut...2139Kuporosov Viktor ...25000-124 ≣D02Cup Russia
110Piscopo S (AUS)2142O'brien Rory1-028 ≣D10Cup Doeberl
234Snorek Milan (CZE)2148Bartos Jan (CZE)21941-025 ≣D02It (open)17 May 2006
253Kuciel Wladyslaw ...2149Koubek Vaclav Jr20390-132 ≣D02It (open)30 Jul 2007
300Wiedermann Daniel...2151Sandhoefner Flori...22001-026 ≣D17Ch Austria02 Aug 2009
33Rantala Jyrki (FIN)2151Miettinen Reino1-026 ≣D17?
148Elschner Annegret...2153Mamedova Rena (GER)23530-128 ≣D24Bundesliga 2000/0...
161Tareq H Omran (UAE)2155Hassan Abdullah (...22380-132 ≣D17President's Cup
63Kecskes Gabor (HUN)2156Primiceri Nunzio ...21500-127 ≣D17It (open)
267Snorek Milan (CZE)2157Hrabal Jiri17621-023 ≣D02It (open) (seniors)01 Aug 2008
220Alonso Rosell Alv...2160Velandrino M Cielo1-029D17Ch Spain (juniors...
309Vasilov Artur (RUS)2160Toropov Pavel (RUS)22111-032 ≣D17Memorial N.Mukham...11 Jan 2010
280Del Castilho Mart...2161Russell M K A (SRI)22300-129 ≣D17Olympiad19 Nov 2008
290Bjornsson Tomas (...2163Magnusson Patreku...19541-024 ≣D17It (open)28 Mar 2009
202Siepmann Martin (...2165Woller Rainer (GER)21961-023 ≣D02It (open)
172Nystrom Ragnar (SWE)2167Sandklef Ake (SWE)20081-029 ≣D17Ch Sweden (seniors)
230Hohler Peter (SUI)2169Humphries Ryan (AUS)1-025 ≣D17It (open)15 Jan 2006
261Moreno William (PER)2175Pacheco Marco (PER)23890-127 ≣D17Memorial Jose Mar...22 Jan 2008
86Stornelli Vincenz...2175Mertens Marc (LUX)22250-123 ≣D17?
302Fedoseev Vladimir...2179Massironi Marco (...21781-028 ≣A06It \10 Aug 2009
142Blaho Stefan (SVK)2180Gruca Miroslav (SVK)22041-029 ≣D10Extra League 1999/00
59Kivimaki Jaakko (...2184Petala Kalevi1-025 ≣D17?
107Rocius Marijonas ...2184Kasparavicius Lai...20981-029 ≣D02Ch Lithuania
238Ahlers Ben (NED)2184Ferguson Mark (ENG)23950-127 ≣D17It (open)20 Jul 2006
89Viladiu Martinez ...2185Gayo J1-032 ≣D10It (open)
178Gorbunov Alexande...2189Smirnov Andrey II...1-024 ≣D02Ch Russia (junior...
219Henriksen Geir (NOR)2192Goetzee Rick (IRL)19211-030 ≣D17It (open)27 Feb 2005
175Gurevich Artjom (...2196Haynes Nicolas (CAN)21731-027 ≣D02Ch Canada (junior...
144Stadler Peter (AUT)2199Mayr Franz1-029 ≣A06Staatsliga B Mitt...
279Duquesnoy Jean-Ph...2200Benitah Yohan (FRA)24280-131 ≣D17It (open) \26 Oct 2008
198Souza Neves Andre...2200Andrade Roberto L...22641-029 ≣D17It (open) \
222Wang Xiaohui (CHN)2204Gong Qianyun (CHN)23741-030 ≣D17Cup Torch Real Es...25 Jun 2005
159Haselhorst Helmut...2204Greiser Christian1-019 ≣D02It (open)
141Pettersson Anders...2205Landgren Andreas ...21340-129 ≣D10Cup Sweden (qual)
92Szobi Geza Jr (HUN)2205Varga Peter (HUN)24150-128 ≣D17It (open) \
164Ferreira Nelson (...2208Castanheira Anton...20111-032 ≣A06Tournament \
367Mirzoeva Elmira (...2214Ivakhinova Inna (...22911-031 ≣D02It (open) (w)03 Feb 2012
102Belunek Vladimir ...2215Milov Leonid (GER)24550-128 ≣D17It (open)
322Denayer Eric (BEL)2216Ringoir Tanguy (BEL)23790-125 ≣A06It (open)12 Aug 2010
208Bentley John L (ENG)2216Ireland David1-031 ≣D17It (open)17 Apr 2004
340Krutwig Longlong ...2216Broehl Stefan (GER)21401-031 ≣D17Regionalliga SVM ...10 Apr 2011
71Alvarado Ascanio ...2217Cabello Fernandez...20081-019 ≣D10It (open)
370Rodriguez Rueda P...2219Escobar Barona Ju...19941-027 ≣D17It \04 Apr 2012
354Salcedo Richilieu...2222Lee Kah Meng Elgi...19850-126 ≣A11It (open)19 Aug 2011
357Chumfwa Kelvin (ZAM)2224Magana Ben (KEN)21201-032 ≣A11Tournament \13 Sep 2011
165Kongsted Halfdan ...2225De Blecourt Sandr...20541-028 ≣D10It (open) \
227Otterstaetter Ste...2227Simons Joerg (GER)21391-031 ≣D10Oberliga Southwes...13 Nov 2005
112Shakhov Aleksandr...2230Najer Evgeniy (RUS)25150-126 ≣A06It (open)
231Kartsev Soel (RUS)2232Schormann Conrad ...21180-121 ≣D17It \06 Apr 2006
170Kostiuk Tatiana (...2232Romashko Andrey (...20751-032 ≣D17Ch Club \
361Pokorny Petr (CZE)2233Khamidov Komil (POL)20561-023 ≣D17It (open)17 Nov 2011
56Koopmann Rolf Dr ...2234Kreul Helmut (GER)21141-021 ≣A06Bundesliga 1987/88
218Parfenov Viktor N...2235Bazarov Konstanti...22060-132 ≣D17Ch Russia (club) ...
94Hrivnak Daniel (CZE)2237Chura Jan (CZE)22221-031 ≣D10Czech League 1994...
136Mittendorf Frank ...2239Lange Klaus (GER)21641-029 ≣D02Ch Hessen (MVT)
308Lobo Jesus Rodrig...2240Perez Diaz Manuel...19590-125 ≣D17It (open)03 Jan 2010
139Reis Gerhard (GER)2245Berreth Marc (GER)21211-032 ≣A05It (open)
13Sherwin James T (...2246McCormick Edgar T...1-019 ≣D17It (open)
345Gbyl Andrzej (POL)2247Suliborski Jakub ...19701-028 ≣D02It (open) (a)05 May 2011
17Alster Ladislav (...2250Zita Frantisek (CZE)1-031 ≣D10Ch Czechoslovakia
106Kuznetsov Oleg Y ...2252Mikulcik Ladislav...22901-026 ≣D24It (open) \
325Kaunas Kestutis (...2253Tikkanen Hans (SWE)25070-132 ≣D17It \29 Aug 2010
239Fusco Leonardo (ARG)2257Goldwaser Christi...23721-024 ≣A50It (cat.2)29 Jul 2006
129Jakupovic Neven (...2260Salvador Roland (...25010-128 ≣D10Ch World (juniors...
52Riemens Michael (...2262Beulen Marcel (NED)23590-118 ≣D17Ch Netherlands (t...
277Galopoulos N (GRE)2262Serntedakis Athan...19021-032 ≣D17Ch Greece (junior...12 Oct 2008
201Tsyganov Igor M (...2263Zaremba Andrie (USA)23181-030 ≣D10It (open)
216Armbrust Florian ...2268Hauser Carlos (GER)21501-029 ≣A06Ch Germany (junio...16 Nov 2004
134Olafsson Helgi (ISL)2270Halldorsson Jon A...22001-032 ≣A06It (open)
133Csiszar Zoltan (HUN)2272Schuetz Peter (SVK)18891-028 ≣D02Ch Hungary (open)
32Acosta Tomas (ARG)2275Giacomini Hector ...22890-123 ≣D10Tournament (team)
116Ioffe Alexander (...2275Soldatenkov Kusma...23651-026 ≣D17It (open) \
31Agdamus Jose Luis...2276Benko Francisco (...20361-032 ≣A16It (open)
358Matthiesen Martin...2277Zalba Esteban Pei...19751-021 ≣D17It (open) (amateurs)10 Oct 2011
180Karst Elmar (GER)2277Kolb Hans-Martin ...22181-029 ≣D02Verbandsliga Bade...14 Jan 2001
57Kilian Ralf (GER)2279Mair E0-122 ≣D17corr.
294Chatterjee Debara...2281Hossain Enamul (BAN)25310-132 ≣D17Ch Bangladesh02 Jul 2009
348Short Philip M (IRL)2282Josse Mark (ENG)21811-025 ≣D02Ch Ireland03 Jul 2011
192Emelianov Sergey ...2282Zuev Viacheslav (...1-031 ≣D17It (open)
103Sylvan Jacob (DEN)2285Johansen Terje (NOR)23751-026 ≣D02Ch Denmark (juniors)
118Johansen Morten (...2285Ziegler Ari (SWE)24100-128D17Tournament (open)
328Chatterjee Debara...2288Batchuluun Cegmed...24221-032 ≣D17Olympiad23 Sep 2010
171Emelianov Sergey ...2290Grinev Boris (RUS)21291-025 ≣A46Memorial Stepanov...
236Srebrnic Ana (SLO)2297Kolaric Spela (SLO)18271-031 ≣A06Ch Slovenia (w)04 Jul 2006
101Karayannis Athana...2300Alexopoulos Spiros1-024 ≣D17It (open)
244Nguyen Thien Viet...2302Dam Cong Tung (VIE)1-017 ≣D17Tournament (open)20 Sep 2006
205Bjarnason Saevar ...2304Bu Xiangzhi (CHN)26150-123 ≣A50It (open)07 Mar 2004
246Peev Peicho (BUL)2304Rajcevic Stevan (...21011-026 ≣D02It (open)29 Nov 2006
35Dieks Roy G (NED)2305Timman Jan H (NED)25101-032 ≣A15It (b)
314Raeva Elitsa (BUL)2306Galunova Tsveta (...19911-032 ≣D10Ch Bulgaria (w)10 Apr 2010
353Lutz Bernhard (GER)2307Wagenaar Harm The...20521-032 ≣D17Ch NATO11 Aug 2011
248Schulze Ulrich (GER)2309Becker Marcel (GER)23601-031 ≣D02Ch Germany22 Jan 2007
27Foguelman Alberto...2310Quinones Oscar C ...23451-028 ≣D17Zt
270Di Benedetto Guil...2312Felgaer Ruben (ARG)25910-126 ≣D17Ch Argentina11 Aug 2008
105Schlehoefer Ralf ...2312Abdelkhalek Mahmoud0-130 ≣D17VK3 1995/96
330Gil Suarez Jose L...2313Gutierrez Delgado...23161-026 ≣D02Ch Provincial (fi...02 Nov 2010
143Knoll Hermann (AUT)2318Sprenger Wendelin...21811-028 ≣D02It (open)
150Haimovich Tal (ISR)2322Computer \0-127 ≣A06Ch Israel (team)
45Levtchouk George ...2323Bolduc Steve (CAN)22291-031 ≣D10It
99Zhidkov Valery S ...2325Holubcik Marian (...20031-032 ≣A05It (open)