Eco opening database; D00-D99

The Queen's Pawn Game (D00-09)
The Slav Defense (D10-19)
The Queen's Gambit Accepted & Declined (D20-29, D30-69)
The Grunfeld Defense and Neo-Grunfeld (D70-79)

D00= Queen's pawn gameD01= Richter-Veresov attackD02= Queen's pawn game, 2. Nf3D03= Torre attack, Tartakower variationD04= Queen's pawn gameD05= Queen's pawn game, Zukertort variationD06= Queen's GambitD07= QGD; Chigorin defenseD08= QGD; Albin counter-gambitD09= QGD; Albin counter-gambit, 5.g3D10= QGD; Slav defenseD11= QGD; Slav defense, 3.Nf3D12= QGD; Slav defense, 4.e3 Bf5D13= QGD; Slav defense, Exchange variationD14= QGD; Slav defense, Exchange variationD15= QGD; Slav accepted, Exchange variation, 6.Bf4 Bf5D16= QGD; Slav accepted, Alapin variationD17= QGD; Slav defense, Czech defenceD18= QGD; Dutch variationD19= QGD; Dutch variationD20= Queen's Gambit acceptedD21= QGA, 3.Nf3D22= QGA; Alekhine defenseD23= Queen's gambit acceptedD24= QGA, 4.Nc3D25= QGA, 4.e3D26= QGA; classical variationD27= QGA; classical variationD28= QGA; Classical variation 7.Qe2D29= QGA; Classical variation 8...Bb7D30= QGDD31= QGD, 3.Nc3D32= QGD; Tarrasch defenseD33= QGD; Tarrasch, Schlechter-Rubinstein systemD34= QGD; Tarrasch, 7...Be7D35= QGD; 3...Nf6D36= QGD; Exchange, positional line, 6.Qc2D37= QGD; 4.Nf3D38= QGD; Ragozin variationD39= QGD; Ragozin, Vienna variationD40= QGD; Semi-Tarrasch defenseD41= QGD; Semi-Tarrasch, 5.cdD42= QGD; Semi-Tarrasch, 7.Bd3D43= QGD; Semi-SlavD44= QGD; Semi-Slav 5.Bg5 dcD45= QGD; Semi-Slav 5.e3D46= QGD; Semi-Slav 6.Bd3D47= QGD; Semi-Slav 7.Bc4D48= QGD; Meran, 8...a6D49= QGD; Meran, 11. Nxb5D50= QGD; 4.Bg5D51= QGD; 4.Bg5 Nbd7D52= QGDD53= QGD; 4.Bg5 Be7D54= QGD; Anti-neo-Orthodox variationD55= QGD; 6.Nf3D56= QGD; Lasker defenseD57= QGD; Lasker defense, Main lineD58= QGD; Tartakower (Makagonov-Bondarevsky) systemD59= QGD; Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5D60= QGD; Orthodox defenseD61= QGD; Orthodox defense, Rubinstein variationD62= QGD; Orthodox defense, 7.Qc2 c5, 8.cd (Rubinstein)D63= QGD; Orthodox defense, 7.Rc1D64= QGD; Orthodox defense, Rubinstein attack (with Rc1)D65= QGD; Orthodox defense, Rubinstein attack, Main lineD66= QGD; Orthodox defense, Bd3 lineD67= QGD; Orthodox defense, Bd3 line, Capablanca freeing manoeverD68= QGD; Orthodox defense, Classical variationD69= QGD; Orthodox defense, Classical, 13.dxe5D70= Neo-Gruenfeld defenseD71= Neo-Gruenfeld, 5.cdD72= Neo-Gruenfeld, 5.cd, Main lineD73= Neo-Gruenfeld, 5.Nf3D74= Neo-Gruenfeld, 6.cd Nxd5, 7.O-OD75= Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3D76= Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6D77= Neo-Gruenfeld, 6.O-OD78= Neo-Gruenfeld, 6.O-O c6D79= Neo-Gruenfeld, 6.O-O, Main lineD80= Gruenfeld defenseD81= Gruenfeld; Russian variationD82= Gruenfeld 4.Bf4D83= Gruenfeld gambitD84= Gruenfeld gambit acceptedD85= Gruenfeld, exchange variationD86= Gruenfeld, Exchange, Classical variationD87= Gruenfeld, Exchange, Spassky variationD88= Gruenfeld, Spassky variation, Main line, 10...cd, 11.cdD89= Gruenfeld, Spassky variation, Main line, 13.Bd3D90= Gruenfeld, Three knights variationD91= Gruenfeld, Three knights variationD92= Gruenfeld, 5.Bf4D93= Gruenfeld with 5. Bf4 O-O 6. e3D94= Gruenfeld, 5.e3D95= Gruenfeld with 5. e3 O-O 6. Qb3D96= Gruenfeld, Russian variationD97= Gruenfeld, Russian variation with 7. e4D98= Gruenfeld, Russian, Smyslov variationD99= Gruenfeld defense, Smyslov, Main line