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Sicilian, Boleslavsky Variation, 7.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3

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
330Marinescu Emilian...2070Mosnegutu Mariana...22320-128 ≣B33It (open) \
225Iljin Artem (RUS)2536Tarasov Vitaly (RUS)0-128 ≣B33Ch Russia (junior...
188Garcia Padron Jos...2410Franco Ocampos Ze...24800-128 ≣B33Ch Spain (team)
713Skapikova Lubica ...1867Jasny Stanislav (...23660-128 ≣B33It (open)21 Aug 2011
630Vega Gutierrez Be...2254Fidalgo Fernandez...21311-028 ≣B33Ch Spain (w)02 Aug 2009
13Katragadda GTaimanov Mark E (...23860-128 ≣B33It
105Bouaziz Slim (TUN)2338Ziska Bogi (FAI)22021-028 ≣B33Olympiad
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
748Cekanauskas Justa...1732Skripkiunas Benas1-028 ≣B33It (open)17 Aug 2012
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
51Benes Petr (CZE)2166Mokry Karel (CZE)24200-128 ≣B32It (juniors) (und...
7Poulsen Christian6Stumpers Louis F1-028 ≣B33It (a)
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
375Layton MVan Ingen T0-128 ≣B33It (open) (b)
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
377Lancianese Giusep...1723Campanini Ambrogio1-028 ≣B33Ch Provinciale CO23 Feb 2001
745Piotrowski Przemy...Dmochowska Agnies...1-028 ≣B33It (open) \
85Anastasiou StavrosJacovides M1-028 ≣B32Ch Cyprus
31Dahl KimmoSpassov Liuben (BUL)23670-128 ≣B33Olympiad (student...
570Penalosa Pinilla ...2238Navas Jimenez Jul...19521-028 ≣B54It (open)20 Jul 2008
610Glazkov Arseny (RUS)2086Donskov Anatoly (...21940-128 ≣B33Ch Russia (junior...15 Apr 2009
730Leresche Samuel (...1990Raetsky Alexander...24600-128 ≣B33It (open)26 Dec 2011
158Lugo Sanchez (SVK)Eordeogh S1-028 ≣B54It (open)
183Bernat Ernest (ESP)2118Campos Moreno Jav...24500-128 ≣B33It (open)
182Mottas Christian ...2143Sher Miron N (USA)25100-128 ≣B53It (open)
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
312Felber Joseph J (...2094Buscemi Edward0-128 ≣B33Ch State New York
41Rodriguez Adolfo ...2235Pugach Mario0-128 ≣B33Tournament (team)
596Christensen Esben...2034Jorgensen Kasper ...20030-128 ≣B33Tournament (open) \06 Jan 2009
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
563Shmat Anna (UKR)1820Pershina Ljudmila...18690-128 ≣B33Ukrainian Games (...19 May 2008
496Trujillo Delgado ...2206Schepetkova Marga...21651-028 ≣B54It (w)07 Mar 2006
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
387Kurochkin Victor ...2415Baklan Vladimir (...26050-128 ≣B54Ch Russia (club)
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
431Kosov Ivan (RUS)2170Gusev Aleksey (RUS)23940-128 ≣B33Ch Russia (1/2 fi...
490Malamatas Konstan...1976Tassopoulos Mario...22230-128 ≣B33It (open)
337Adensamer Gerhard...2047Seres Lajos (HUN)24440-128 ≣B33It (open)
101Harlin Henri (FRA)2106Pal Imre (HUN)21551-028 ≣B54It (open)
539Klimov Valery (RUS)1936Boryak Alexey (RUS)19420-128 ≣B33Ch City (seniors)27 Sep 2007
598Kotz Reinhard (GER)2149Brumm Carsten Dr ...22420-128 ≣B33Landesliga Bayern...01 Mar 2009
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
671Schaefers Bernd1787Bischoff Dieter (...21140-128 ≣B54It (open)04 Jul 2010
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
282Majul Isolina (COL)2088Villegas John19201-028 ≣B54Tournament
131Lindri Juni Wijay...2155Nutu-Gajic Dana (...23500-128 ≣B53Olympiad
287Vavra Jan (CZE)2166Schula Michal (CZE)22420-128 ≣B54Czech League 1999...
271Buerger Helmut (GER)1900Becher Helmut Dr ...20720-128 ≣B33Ch SVR (2)
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
667Guerrero Andres (...2195Obregon Rivero Ju...24080-128 ≣B54Memorial J.Capabl...14 Jun 2010
281Bermudes Eduardo ...2190Zapata Alonso (COL)24540-128 ≣B54Cup Carnaval (open)
560Mayer Istvan (HUN)2136Mester Attila (HUN)21161-028 ≣B54Tournament (Elo) (a)11 May 2008
662Ewert Paul1519Kempe Markus13970-128 ≣B30Ch Germany (open)...25 May 2010
335Al Sherkh Khade W...Batceceg Tuvshint...22370-128 ≣B54Olympiad (w)
648Romero ReinaldoVargas Edward Mis...19520-128 ≣B54It (open)10 Jan 2010
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
315Cernousek Lukas (...2203Snajdr Jiri0-128B33Ch Czech Republic...
722Pamungkas Junaid ...2240Tirto (INA)23220-128 ≣B30It (open)14 Oct 2011
504Titz Herbert (AUT)2066Kiss Attila (HUN)24000-128 ≣B33It (open)13 Jul 2006
71Upton Timothy J (...2181Van Der Wiel John...25350-129 ≣B53Olympiad
36Asplund LennartSigurjonsson Gudm...24631-029 ≣B33Ch World (juniors...
132Nurul HHund Barbara (SUI)22260-129 ≣B54Olympiad
150Ortiz Aleman Jose...2185Cabello S0-129B33Ch Spain (team)
3Stanchev ZahariBobotsov Milko G ...24051-029 ≣B33Ch Bulgaria
37Shabanov Yuri (RUS)2326Fedorov V (RUS)1-029 ≣B33Ch \
698Wong Ka KuanShah Muradi Mohammad0-129 ≣B54Ch Asia (juniors)...17 May 2011
233Nagy Janos (HUN)2260Monus Zoltan (HUN)20921-029 ≣B54Memorial Erkel
624Bharathi R (IND)1952Mamedov Nidjat (AZE)26140-129 ≣B54It (open)
658Vega Gutierrez Be...2233Menvielle Lacourr...22621-029 ≣B33Memorial Pedro Le...03 Apr 2010
49Gedevanishvili Dm...2380Lukin1-029 ≣B54?
138Rajlich Vasik G (...2303Noren K0-129 ≣B33Tournament
332Lillipuu OlevKemppainen Tuomo0-129 ≣B33Ch Finland (team)...
48Golomeov Todor2200Hort Vlastimil (GER)26200-129 ≣B33It
336Zorko Jure (SLO)2456Gomboc Miha (SLO)21850-129 ≣B54Ch Slovenia
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
167Nikolic Sava N R ...2114Grabics Monika (HUN)23250-129 ≣B33It (open)
503KolodinPauli Stanislav (...20790-129 ≣B54Tournament (open)
63Rossmann Helmut (...2264Riha Vaclav (CZE)23101-029 ≣B33Match \
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
224Fuchs Georg (AUT)2274Eberhard Kurt (AUT)20401-029 ≣B33It (open)
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
222Hagsberg ReijoVeingold Aleksand...24750-129 ≣B33Tournament
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
252Klimpel Thomas (GER)2154Heining Thomas (GER)20720-129 ≣B54It (open)
500Karagollu Ahmet (...2005Zueger Beat (SUI)24070-129 ≣B33Ch Europe14 Apr 2006
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
523Tobolski Jakub (POL)2001Wcislo Damian (POL)21070-129 ≣B33Ch Poland (junior...27 Mar 2007
142Gallob BorisWuerl Roland20550-129 ≣B54It (open)
357Marre Erwan (FRA)2009Stoenescu Radu (FRA)21750-129 ≣B33Ch France (team) ...
220Muekke JFErhard Walter18201-029 ≣B54It (open)
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
127Hedlund BThorhallsson Gylf...22850-129 ≣B33It (open)
18Ajanski Jordan S ...2350Milev Zdravko (BUL)22300-129 ≣B33Ch Bulgaria16 Nov 1954
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
25Keogh Eamon (IRL)2002Minaya Juan (COL)22071-029 ≣B33Ch World (juniors)
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
527Isgandarova Khaya...2188Balogh Csaba (HUN)25620-129 ≣B54Cup President03 May 2007