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Irregular Openings a3, a4, b3, b4, c3, d3, e3, f3, g3, g4, h3, h4, g3, g4, Na3, Nh3

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
485Pritschow JuliaDraeger Julian9980-19A00Tournament (junio...15 Oct 2005
4Prokop FrantisekSkalicka Carlos0-113 ≣A00Memorial Kautsky
291Pruvost Alain (FRA)1607Testart Jean-Louis0-114 ≣A00It (open)
802Pruvost Alain (FRA)1604Barbaut Michel (FRA)20320-115 ≣A00It (open)10 Jul 2012
817Puentes Alvaro (COL)2094Cardozo Ferney1-015 ≣A00Cup Latinoamerica...06 Oct 2012
659Quintero RafaelForero Jefferson ...0-110 ≣A00Ch Pan-American (...08 Oct 2009
317Rabe Thomas (GER)2121Doering Sandra1-013 ≣A00It (open)
73Rabold HWiik Jon0-111 ≣A00World Tournament ...
230Rabosa ELoh Liangwei (MAS)0-115A00Tournament (active)
812Radwan Jan1618Winiarska Agata1-011 ≣A00Tournament (open)
710Radwan Jan (POL)1738Lipski Tadeusz (POL)20400-115 ≣A00Tournament
565Radwan Jan (POL)1694Kowalski Janusz (...18311-08 ≣A00It (open)29 May 2008
783Rakov Anatoly (RUS)Demidov Danil (RUS)0-115 ≣A00Memorial P.Dubini...
511Rapatinski Konsta...2194Driessen Wim (NED)19330-114 ≣A00It (open)11 Nov 2006
778Redondo Palma Sul...1300Saurith Olaya Jorge1-011 ≣A00Tournament (junio...20 Nov 2011
259Rehn Ralf (FIN)2234Perman Torvald (FIN)20361-015 ≣A00It
762Reichert Lutz (GER)1737Franzke Alexander...19960-113 ≣A00It (open) \13 Aug 2011
432Reigneveld AdTerry Sean (ENG)19261-010 ≣A00It (open)
290Reimer Karl1704Baumann Walter0-115 ≣A00Ch Pfalz (open)
912Reis, L.2225Fernandez, A.24591-035A00Loures2
277Remillard JohnGannon Keith0-112 ≣A00It (open) (b)
885Renet, O.2285Cuijpers, F.24350-132A00Inrerclubs
772Ribeiro Mylena JorgeBorges Francisco ...0-17 ≣A00It (open)17 Sep 2011
740Ricardo Garcia JoseBarrios Aldair (COL)19060-16A00Tournament (junio...07 Apr 2011
98RiepmaHotting Arend0-113 ≣A00corr.
600Rincon EfrainBustamante Fernando1-010 ≣A00Tournament (for t...27 Oct 2008
459Robulj Nenad (SRB)2243Dobrijevic Milan ...21601-011 ≣A00Ch SCG (juniors) ...20 Aug 2004
803Roche Yves (FRA)1956Edouard Romain (FRA)26460-114 ≣A00It (open)13 Jul 2012
611Roch Johann1004Heckel Christophe...18180-115 ≣A00Ch Oberfranken (j...04 Jan 2009
81Roczniak JanLasak B0-112 ≣A00corr.
29Roczniak JanBazylewicz C1-08 ≣A00corr.
69Roczniak JanZiewiec Wieslaw0-110 ≣A00?
25Roczniak JanBoryczko L1-09 ≣A00corr.
82Roczniak JanSiwinski M1-013 ≣A00corr.
660Rodrigues Pereira...1851Aguiar Brito Gabr...18080-114 ≣A00Tournament10 Oct 2009
945Rogers, I.2450Chandler, M.25000-139A00Bath TV-A
648Rohnka StanislawBurzynski Wladyslaw1-010 ≣A00It (open) (b)20 Jul 2009
457Roman Rosini MatiasLaforette Remi0-112 ≣A00It (open) (b)23 Jul 2004
418Romero M (ECU)Chadwick Norman (...21650-115 ≣A00It (open)
347Romijn BobDijkman Jan1-010 ≣A00It (open) (Mini C)
304Rosa AlinMihaltan Mihai1-010 ≣A00Tournament (team)
437Rosa ValeriaComputer \0-114A00Match \
566Roubal RichardSertic Darko (USA)22360-19 ≣A00It \07 Jun 2008
662Roumeliotis Angel...1858Asvestopoulos Hri...18271-07 ≣A00It (open) \
644Rousseaux DorianDegraeve Thomas0-115 ≣A00It (open)09 Jul 2009
795Rumi Vasquez Pier...Huaranca Espinoza...15640-112 ≣A00Tournament (open)04 May 2012
794Rumi Vasquez Pier...Leiva Vargas Igor...1-08A00Tournament (open)03 May 2012
449Rusconi ACittadini Dario (...19730-112 ≣A00It (open)
72Rybak Jozef (POL)1999Glas Bo0-113 ≣A00Match \
400Rylov Vjacheslav ...1970Nazarenko Yuri (RUS)1-015 ≣A00Ch Russia (for th...07 Sep 2001
137Saastamoinen Aarn...2164Tocklin Tomi (FIN)19030-115 ≣A00Ch Club
821Sambuco, L.Rodriguez, D.21800-113A00Najdorf Festival ...24 Oct 1998
285Sambuco Salomone ...1988Rodriguez Esteban...21670-113A00It (open) \
190Sammalvuo Tapani ...2477Iivari Kalle1-010 ≣A00It (open)
405Sanchez Morga Car...Oliva Martin Pedr...20291-011 ≣A00It (open)
787Sanchez Sierra Ju...Casado Gutierrez ...1-08 ≣A00Ch Sevilla (junio...04 Mar 2012
67Sande Oystein (NOR)2303Van Geet Dirk Dan...22781-06 ≣A00?
874Sanders, T.1031Van Looijengoed, E.10151-030A00IECC O email21 Aug 2000
814Sandu Bogdan1200Araujo Rodriguez ...13200-115 ≣A00Memorial Joseito ...02 Sep 2012
307San Martin Perez SGarcia McIvor Ivan0-110 ≣A00Tournament
9Santasiere Anthon...Kujoth R1-012 ≣A00It (open)
93Santoro DRoman Facundo (ARG)22921-07 ≣A00Ch Club Argentino
696Santos Alessandra...Reis Virginia Lag...0-114A00It (open)30 Apr 2010
731Sapareva Magdalen...1649Milenov Martin1-015 ≣A00Memorial Dimitar ...03 Mar 2011
884Sasaki, K.Rajkovic, D.24501-032A0007, IV Anibal Ope...
438Saul JudithComputer \0-112A00Match \
344Sautron DonnyCandassamy Hugo1-07A00It (open)
532Savchenko Alexand...2263Zabgaeva Marina (...17681-015 ≣A00Memorial E.Geller...08 Sep 2007
388Sawamura TetsushiFotland Petter1-011 ≣A00Tournament (IECG)
154Schall Alain (FRA)2255Mariette Christia...21001-011 ≣A00Ch France (team)
128Scheglmann EDilling R1-015 ≣A00corr.
365Scheidt Joerg (GER)2148Hermann Sven0-112 ≣A00It (open)
87Scheil DietrichMeystre G1-07 ≣A00corr.
214Scheller Claus-Di...Carl Manfred0-114 ≣A00Ch Schleswig Hols...
8Schiffler Gerhard1543Pinkerneil Rudolf1-011 ≣A00?
10Schiffler LHeilemann0-115 ≣A00Memorial Dyckhoff...
529Schmid Dominik (GER)2021Wolf Armin (GER)22580-114 ≣A00It (open)03 Aug 2007
229Schmidt Gregor1434Fischer Wolfgang ...22601-011 ≣A00Ch SJRH (juniors)...
868Schmidt, P.1503Von Wegerer, A.12631-029A00Bad Sooden-Ad' (2...29 Apr 2005
924Schmidt, P.2410Mattern, M.0-137A00Bahn-chG
722Schmidt Paul F (EST)Nakamura Hikaru (...27330-113 ≣A00It (blitz) \27 Nov 2010
255Schmitt Werner1745Fischer Juergen19251-014 ≣A00Ch Mittelfranken ...
115Schoenau Helmut1935Froka1-07 ≣A00It (open)
389Schoenborn Hans W...Burgmer Hubertus1-06 ≣A00It (open)
632Schoenegg Rolf (GER)1942Stuska Premysl16361-013 ≣A00It (open)02 May 2009
549Scholz Robert (GER)1776Bielick Jacob16881-06 ≣A00It (open)29 Dec 2007
493Schuchardt Wolfgang1691Winkler Karl-Hein...18381-010 ≣A00Landesliga (2nd) ...29 Jan 2006
62Schueller Ernst (...2195Enigk Guenter1-013 ≣A00corr.
7SchwarzLachmann Hans-Georg0-115 ≣A00Ch OWL
40Schwedt FKristensen Bjarke...23910-115 ≣A00It (open)
864Seeman, T.2534Barredo, L.23881-028A00Internet Section ...17 Mar 2003
859Sehner, N.2415Kindermann, S.25351-027A00Bundesliga 9394
215Seifert Dierk Dr ...2110Sax Robert0-16 ≣A00It (open)
527Seifert Henryk (POL)2241Walach Marcin (POL)23900-112 ≣A00It (open)21 Jul 2007
160Seiler Andreas (GER)2252Booy R1-013 ≣A00It (open)
917Seirawan, Y.2634Salmon, N.0-136A00Teenage_NW_Chpp._...
506Seknicka Daniel (...1662Fasser Walter (AUT)20221-011 ≣A00It (open)01 Aug 2006
16Serebriski ASavchenko1-014 ≣A00?
306ShevtsovGusev Yuri S (RUS)22900-114 ≣A00Ch Russia (seniors)
119Shoup KWeimann0-114 ≣A00corr.