OPENINGS THEORY

- ECBX: ECO CODES BASE -
(ECB Classification)

- D00 ii - b*** to h6*

[D00-b***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) (b6) (c5) (Nbd7) (h6) (a6) (Nc6?) =

1. «»

[D00-c***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Berger Retort (5...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) c6 (Bc4) =

1. «»

[D00-d***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Filip Retort (5...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bf5! (6.Bc4) =/+

1. «»

[D00-e***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Filip Retort (5...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bf5! 6.Ne5!? =/+

1. «»

[D00-f***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Janda Retort (5...g6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) g6 =

1. «»

[D00-g***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Janda Retort (5...g6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) g6 6.Bc4 Bg7 (7.0-0) =

1. «»

[D00-h***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Janda Retort (5...g6) 1.d4 d5(BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) g6 6.Bc4 Bg7 7.0-0 0-0 =

1. «»

[D00-i***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Janda Retort (5...g6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) g6 6.Bc4 Bg7 7.0-0 0-0 8.Qe1! (WOD: (White Optimal Development)) +/=

1. «Sawyer, T. - Overman, A D00 (15) 1-0, corr. USCF Colden Knights SF, 1990»

[D00-j***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Simek Retort (5...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) e6 (6.Bb5+) (6.Ne5) (6.a3) (6.Bf4) (6.Be3) +/=

1. «»

[D00-k***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Simek Retort (5...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) e6 6.Bc4 (CL: a2-g8 (Critical Line)) =

1. «»

[D00-l***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Simek Retort (5...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) e6 6.Bd3 (FL: b1-h7 (Free Line)) +/=

1. «Duras, Oldrich - Simek D00 (17) 1-0, Pisek sim, 1912»

[D00-m***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Simek Retort (5...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum))e6 6.Bg5 (PL: d8-h4 (Pine Line)) (Be7) +/=

1. «Capdevila, J. - Brizzio, A D00 (25) 1-0, corr. Argentina, 1960»

[D00-n***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3) Simek Retort (5...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) e6 6.Bg5 (PL: d8-h4 (Pine Line)) Be7 7.Bd3 +/=

1. «The Zilbermints Gambit in the Euwe Defense to the BDG, D00»

2. «Drueke, V. - Regis D. D00 (16) 0-1, corr. BDG Email Tourney (1), 1997»

3. «Diemer - Locher D00 (20) 1-0, corr. 1950»

4. «Diemer - Berner D00 (19) 1-0, Aulendorf, 1951»

5. «Diemer - Anonymous D00 (12) 1-0, corr. 1952»

6. «Oesterie, Frau P. - Bogoljubow, Efim D00 (20) 1-0, simultaneous Exibition Wangen, Germany, 1952»

7. «Fechner, Joachim - Schneider, Walter D00 (16) 1-0, First BDG World correspondence tournament, 1968»

8. «Richard, X - Sparka, Jurgen D00 (25) 0-1, Aachen, Germany Hochschule Championship (7), 1982»

9. «Zibermints, Lev D. - Gaspard, Fritz D00 (28) 1-0, 5-minute blitz Marshall Chess Club, New York City, NY, 1992»

10. «Diaz, S. - (2366) - Sakai, K. (2503) D00 (52) ½-½, corr. IECG, 2003»

11. «Wedge - Hoffman D00 (44) 0-1, USA 1993»

[D00-o***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) (6.Bb5+) (6.Bg5) (6.Bd3?) (6.Be3?) (NMM: (Non Motivated Move)) =/+

1. «»

[D00-p***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4) Falkowski Retort (6.Be2) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.Be2?! (APIM: (Anti-Pine Move))

1. «»

[D00-q***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bg4) Ditt Retort (6.Be2) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.Bc4 (GAM: (Good Active Move)) (e6)

1. «»

[D00-r***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) (Bd7) (Bf5) =/+

1. «»

2. «»

[D00-s***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) Clarke Retort (6...Bh5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bh5 =/+

1. «»

[D00-t***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) Clarke Retort (6...Bh5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bh5 7.g4 Bg6 =/+

1. «»

2. «»

[D00-u***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) Clarke Retort (6...Bh5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bh5 7.g4 Bg6 8.Ne5 =/+

1. «»

[D00-v***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) Clarke Retort (6...Bh5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bh5 7.g4 Bg6 8.Ne5 (e6) =

1. «»

[D00-w***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3) Clarke Retort (6...Bh5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bh5 7.g4 Bg6 8.Ne5 e6 9.Qf3 =

1. «»

[D00-x***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3 Bxf3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bxf3 /unclear

1. «»

[D00-y***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3 Bxf3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bxf3 7.Qxf3 c6 (8.g4) (8.Qf2) =/+

1. «Rodrigues, E - Malveau, C D00 (30) 1-0, corr. 2002»

[D00-z***] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3 Bxf3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bxf3 7.Qxf3 c6 8.Be3 =/+

1. «»

[D00-a4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Blackmar-Diemer Gambit, ML: (4.f3 exf3 5.Nxf3 Bg4 6.h3 Bxf3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.e4! dxe4 3.Nc3! Nf6 4.f3 exf3 5.Nxf3 (TPOP: (Totally Pure Opening)) (PSFI: (Pawn Sacrifice For Initiative)) (BWS: (Black Wide Spectrum)) Bg4! (PL: d1-h5 (Pine Line)) 6.h3 (APIM: (Anti-Pine Move)) Bxf3 7.Qxf3 c6 8.Be3 e6 9.Bd3 =/+

1. «Borsdorff - Hostettler D00 (40) 1-0, corr. 1955»

[D00-b4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) +/=

1. «»

[D00-c4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Meiners Retort (2...Nc6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nc6 (3.Nf3 (see: D02, D06)) +/=

1. «Hassel, Joel - Davison, Andrew D00 (22) 0-1, Redcliffe Club Championship (7), 2002»

[D00-d4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Meiners Retort (2...Nc6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nc6 3.e3 (g6) (f6) (a6) (Bf5) +/=

1. «»

[D00-e4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Meiners Retort (2...Nc6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nc6 3.e3 Nf6 (4.c4) +/=

1. «»

[D00-f4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 (see also: D02) (3.Nf3 (see:D02)) +/=

1. «»

[D00-g4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) (c6) +/=

1. «»

[D00-h4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) e6 (4.Bd3) +/=

1. «»

[D00-i4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) Nf6 (see also: D02, D10) (4.h3) (4.c3) (4.Nd2) (4.Bd3) +/=

1. «»

[D00-j4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) Nf6 4.Nc3 /unclear

1. «»

[D00-k4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) Nf6 4.c4! (QGLV: (Queen Gambit Lever)) (e6) +/=

1. «»

[D00-l4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.e3 (see also: D02) Nf6 4.c4! (QGLV: (Queen Gambit Lever)) c6 (5.Nc3 (see: D02, D10, D14, D31, d35)) +/=

1. «»

[D00-m4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.Nc3 (see also: D02) (QPOP: (Quasi-Pure Opening)) (c6) (e6) +/=

1. «Sarratt Jacob, Henry - NN D00 (16) 1-0, London 1818»

[D00-n4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.Nc3 (see also: D02) (QPOP: (Quasi-Pure Opening)) Nf6 (4.Qd2) (4.Nb5) (4.f3) +/=

1. «»

[D00-o4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.Nc3 (see also: D02) (QPOP: (Quasi-Pure Opening)) Nf6 4.e3 +/=

1. «»

[D00-p4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Fritz Retort (2...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Bf5 3.Nc3 (see also: D02) (QPOP: (Quasi-Pure Opening)) Nf6 4.Nf3 (see also: A45, D02) +/=

1. «»

[D00-q4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Von Henning Retort (2...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c6 (see also: A40, D02, D10, D37, D93) (3.Qd2) (3.Nc3) (3.Nc3 (see: D02)) +/=

1. «»

[D00-r4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Von Henning Retort (2...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c6 (see also: A40, D02, D10, D37, D93) 3.c3 +/=

1. «»

[D00-s4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Von Henning Retort (2...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c6 (see also: A40, D02, D10, D37, D93) 3.e3 +/=

1. «»

[D00-t4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Von Henning Retort (2...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c6 (see also: A40, D02, D10, D37, D93) 3.e3 Nf6+/=

1. «»

[D00-u4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Mc Donnell Retort (2...c5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c5 (see also: B13, D02) (3.e4) (3.dxc5) (3.Nf3 (see: D02)) +/=

1. «»

[D00-v4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Mc Donnell Retort (2...c5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c5 3.c3 (see: B13, D02, D10) +/=

1. «»

[D00-w4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Mc Donnell Retort (2...c5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) c5 3.e3 (see: A46, B13, D02, D10) +/=

1. «»

[D00-x4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) (3.c3) (3.Nc3) (3.c4) (3.Nf3 (see: D02)) +/=

1. «»

[D00-y4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) 3.e3 (c6) (f5) (c5) +/=

1. «»

[D00-z4*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) 3.e3 Bd6 +/=

1. «»

[D00-a5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) 3.e3 Nf6 (see: B13, D02, D35, D37, D60) (4.c4) (4.Bd3) (4.Nf3 (see: b13, D02, D30, D37)) +/=

1. «Blackburne, Joseph Henry - Paulsen, Louis D00 (55) 0-1, BCA-05. Kongress London, 1862»

[D00-b5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) 3.e3 Nf6 (see: B13, D02, D35, D37, D60) 4.c3 +/=

1. «»

2. «»

[D00-c5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4) Paulsen Retort (2...e6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) e6 (see: A84, D02, D30) 3.e3 Nf6 (see: B13, D02, D35, D37, D60) 4.Nd2 +/=

1. «»

[D00-d5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) (3.f3) (3.Nd2) (3.c4) +/=

1. «»

[D00-e5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mnichowicz Retort (3.h3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.h3 (see also: D02) =

1. «»

[D00-f5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Salwe Retort (3.c3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.c3 (see also: D02) (c5) (g6) =

1. «»

[D00-g5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Salwe Retort (3.c3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.c3 (see also: D02) Bf5 (QPOP: (Quasi-Pure Opening)) =

1. «»

[D00-h5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Salwe Retort (3.c3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.c3 (see also: D02) c6 (QPOP: (Quasi-Pure Opening)) (4.Nf3 (see: D02)) =

1. «»

2. «»

[D00-i5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Salwe Retort (3.c3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.c3 (see also: D02) e6 (QPOP: (Quasi-Pure Opening)) (4.Nf3 (see: D02)) =

1. «»

[D00-j5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 (see: D01, D02, D12) (QPOP: (Quasi-Pure Opening)) (BSIA: (Black Signifiant Advantage)) (Bg4) (Bd7) (c5) (g6) =/+

1. «»

[D00-k5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 (TPOP: (Totally Pure Opening)) (4.Nb5) +/=

1. «»

[D00-l5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 4.Nf3 (FNBF: (Four Knights Basic Formation))+(TPOP: (Totally Pure Opening)) (a6) /unclear

1. «»

[D00-m5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 4.Nf3 (FNBF: (Four Knights Basic Formation))+(TPOP: (Totally Pure Opening)) Bg4 /unclear

1. «»

[D00-n5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 4.Nf3 (FNBF: (Four Knights Basic Formation)) (TPOP: (Totally Pure Opening)) e6 =

1. «»

[D00-o5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 4.Nf3 (FNBF: (Four Knights Basic Formation)) (TPOP: (Totally Pure Opening)) Bf5 =

1. «»

[D00-p5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Nc6 4.Nf3 (FNBF: (Four Knights Basic Formation))+(TPOP: (Totally Pure Opening)) Bf5 5.e3 (e6) =

1. «»

[D00-q5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 a6! =/+

1. «»

2. «»

[D00-r5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 c6 =/+

1. «Garcia, GG - Szymanowska, Karolina D00 (23) 0-1, Wch U12 Girls, 1993»

[D00-s5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 e6 =/+

1. «»

[D00-t5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 e6 4.Nf3 =/+

1. «»

[D00-u5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 (4.Qd2) (4.Nb5) =/+

1. «»

[D00-v5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 4.f3 =/+

1. «»

[D00-w5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 4.e3 =/+

1. «»

[D00-x5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 4.Nf3 (c6) /unclear

1. «»

[D00-y5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 4.Nf3 Nc6 =/+

1. «»

[D00-z5*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6) Mason Retort (3.Nc3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 (see: A45, B13, D02, D03, D10, D11, D30, D35, D37, D82, D93) (SMOP: (Strongly Mixed Opening)) 3.Nc3 Bf5 4.Nf3 e6 =/+

1. «»

[D00-a6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) (Ne4) (b6) (a6) (Nbd7) +/=

1. «Arrowschot - coffee-break D00 (36) 0-1, email ICC, 2004»

[D00-b6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Rubinstein Retort (3...Bg4) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Bg4 =/unclear

1. «»

[D00-c6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Baumhus Retort (3...Nc6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Nc6 =/unclear

1. «»

[D00-d6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Hadac Retort (3...g6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) g6 =/unclear

1. «»

[D00-e6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Wegemund Retort (3...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) c6 =/unclear

1. «Krueger, P. - Wegemund, O D00 (90) 0-1, DSB-22. Kongress Bad Oeynhausen (2), 1922»

[D00-f6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Wegemund Retort (3...c6) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) c6 4.c4 =/unclear

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[D00-g6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Taubenhaus Retort (3...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Bf5 (see also: D02, D10, D31) (4.c3) (4.Nd2) (4.Bd3) (4.Nf3 (see: D02)) =/unclear

1. «»

[D00-h6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Taubenhaus Retort (3...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Bf5 (see also: D02, D10, D31) 4.Nc3 (QPOP: (Quasi-Pure Opening)) +/=

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[D00-i6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Taubenhaus Retort (3...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Bf5 (see also: D02, D10, D31) 4.c4! (QPOP: (Quasi-Pure Opening))+(WSIA: White Significant Advantage)) (e6) +/=

1. «»

[D00-j6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Taubenhaus Retort (3...Bf5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: (Relatively Mixed Opening)) Bf5 (see also: D02, D10, D31) 4.c4! (QPOP: (Quasi-Pure Opening))+(WSIA: White Significant Advantage)) c6 +/=

1. «»

[D00-k6*] - QPG: Queen's pawn Variation: 1.d4 d5 (2.Nc3) Mason Retort (2.Bf4) Maroczy-Martinolich System (1.d4 d5 2.Bf4 Nf6 3.e3) Gunsberg Retort (3...c5) 1.d4 d5 (BWS: (Black Wide Spect.)) 2.Bf4 (see also: B13, D02, D35, D37, D84, D93) (BWS: (Black Wide Spectrum)) Nf6 3.e3 (see: B13, D02, D03, D06, D10, D11, D30, D31, D35, D37, D82, D84, D93) (RMOP: