ECO D
ECO D - Closed & Semi-Closed Games
This category includes games beginning with 1.d4 d5 (Closed Games like the Queen's Gambit) and 1.d4 followed by moves other than 1...d5 or 1...Nf6 (Semi-Closed Games). Also includes various 1.d4 systems.
ECO Subcategories
D00 D01 D02 D03 D04 D05 D06 D07 D08 D09 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D57 D58 D59 D60 D61 D62 D63 D64 D65 D66 D67 D68 D69 D70 D71 D72 D73 D74 D75 D76 D77 D78 D79 D80 D81 D82 D83 D84 D85 D86 D87 D88 D89 D90 D91 D92 D93 D94 D95 D96 D97 D98 D99
366 Openings Found
D00 D00 D00 D00 D00 D00 D00 D00 D06 D06 D31 D31 D06 D06 D06 D06 D06 D06 D06 D10 D10 D10 D10 D10 D10 D11 D11 D14 D11 D12 D12 D12 D12 D11 D15 D15 D15 D18 D17 D17 D17 D17 D17 D17 D16 D16 D16 D15 D15 D15 D15 D15 D20 D20 D20 D20 D20 D20 D20 D20 D20 D20 D20 D01 D20 D20 D20 D21 D22 D22 D22 D21 D21 D21 D21 D21 D25 D25 D26 D27 D27 D28 D29 D28 D28 D26 D26 D25 D24 D23 D08 D08 D08 D08 D31 D31 D31 D31 D32 D32 D32 D32 D32 D32 D33 D33 D34 D34 D34 D34 D34 D34 D34 D34 D33 D32 D31 D31 D31 D31 D31 D31 D31 D31 D31 D35 D53 D53 D55 D55 D56 D57 D56 D55 D55 D60 D60 D63 D63 D63 D63 D66 D67 D67 D64 D50 D50 D50 D50 D50 D51 D51 D52 D52 D52 D51 D51 D35 D35 D35 D38 D37 D40 D41 D43 D44 D44 D44 D44 D44 D45 D45 D46 D46 D46 D48 D48 D49 D49 D48 D47 D47 D47 D45 D45 D45 D45 D45 D44 D44 D30 D30 D30 D30 D30 D30 D30 D30 D30 D30 D30 D06 D07 D07 D07 D06 D06 D06 D06 D06 D06 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D00 D01 D01 D01 D01 D01 D01 D00 D02 D02 D02 D02 D02 D02 D02 D02 D03 D03 D03 D02 D25 D04 D05 D05 D02 D00 D00 D70 D70 D70 D70 D70 D70 D70 D71 D71 D79 D78 D78 D83 D83 D83 D80 D85 D86 D87 D89 D86 D86 D86 D85 D85 D85 D85 D80 D80 D80 D80 D80 D80 D80 D80 D80 D80 D70 D70 D80 D80 D80 D94 D94 D90 D97 D97 D99 D97 D97 D97 D70 D70 D02
Sarratt Attack
Steinitz Countergambit, Queen Pawn Game
Morris Gambit
Morris Counter-Gambit
Bishop Attack; Levitsky Attack, Queen Pawn Game
Zot
Welling Variation, Queen Pawn Game
Euwe Variation, Queen Pawn Game
Zilbermints Gambit, QGD
Brieger Defense; Sahovic Defense, QGD; Baltic Defense
Baltic Defense, QGD
Argentinian Gambit, QGD
Pseudo-Slav, QGD
Pseudo-Chigorin, QGD
Queen Attack, Baltic Defens, QGD
Austrian Defense; Summetrical Defense, QGD
Gusev Countergambit, QGD
Haberditz Variation, QGD
Salvio Countergambit, QGD
Exchange Variation, Slav
Slav Pawn Game
Diemer Gambit, Slav
Alekhine Attack, Slav
Winawer Counter Gambit, Slav
Anti-Winawer Gambit, Slav
Slav Bishop's Game
Bonet Gambit, Slav
Trifunovic Variation, Slav
Quiet Variation, Slav
Amsterdam Variation, Slav
Rotterdam Variation, Slav
Landau Variation, Slav
Pin Defense, Slav
Breyer Variation, Slav
Chameleon Variation, Slav
Advance System, Slav
Two Knights Attack, Slav
Mareschall Variation, Slav; Lasker Variation
Krause Attack, Slav
Wiesbaden Variation, Slav
Sharp Line, Wiesbaden Variation, Slav
Fazekas Gambit, Slav
Carlsbad Variation, Slav
Baarn Variation, Slav; Bled Attack
Steiner Variation, Slav
Soultanbeieff Variation, Slav
Smyslov Variation, Slav
Alekhine Variation, Slav
Alekhine Variation, Slav
Geller Variation; Geller-Tolush Var, Slav
Schlechter Variation, Slav
Suchting Variation, Slav
Old Variation, QGA
Korchnoi Gambit, QGA
Novikov Gambit, QGA
Christensen Gambit, QGA
Saduleto Variation, QGA; Central Variation, QGA
Greco Variation, QGA
Rubinstein Variation, QGA
Yefimov Gambit, QGA
Linares Variation, QGA
McDonnell Defense, QGA
Somov Gambit, QGA
Betbeder; Veresov; Levitzky; Parisian
Versov; Betbeder; Schwartz Defense, QGA
Modern Defense, QGA
Alekhine System, QGA
Alekhine Variation, QGA
Haberditz Variation, QGA
Alekhine Variation, QGA
Borisenko-Furman Variation, QGA
Slav Gambit, QGA
Gunsberg Defense, QGA
Prianishenmo Gambit, QGA
Rosenthal Variation, QGA
Godes Variation, QGA
Flohr; Winawer Variation, QGA
Larsen; Janowski; Modern Variation, QGA
Classical Defense, QGA
Furman Variation, QGA
Russian Gambit, QGA
Accelerated Fianchetto, QGA
Smyslov Variation, Classical Defense, QGA
Counter Fianchetto Variation, QGA
Four Knights Variation, QGA
Steinitz Variation, QGA
Development Variation, QGA
Smyslov Variation, QGA
Bogoljubow Defense, QGA
Mannheim Variation, QGA
Lasker Trap, QGD
Normal Line, Albin Countergambit, QGD
Tartakower Defense, QGD
Alapin Variation, QGD
Janowski Variation, QGD
Alapin Variation, QGD
Alatortsev; Petrosian, Charousek Var, QGD
Miladinovic Gambit, QGD
Schara-Hennig; Duisburg Gambit, QGD
Von Hennig Gambit, QGD
Tarrasch Gambit, QGD
Marshall Gambit, Tarrasch
Two Knights Variation, Tarrasch
Grunfeld Gambit, Tarrasch
Folkestone; Swedish Var, QGD
Prague Variation, QGD
Rubinstein; Normal Position, QGD
Carlsbad Variation, Tarrasch
Endgame Variation, Tarrasch
Bogoljubow Variation, Tarrasch
Advance Variation, Tarrasch
Spassky Variation, Tarrasch
Reti Variation, QGD
Classical Tarrasch Gambit
Wagner Variation, Tarrasch
Symmetrical Variation, Tarrasch
Semi-Slav Defense
Portisch Gambit, Semi-Slav
Marshall Gambit, Semi-Slav
Gunderam Gambit, Semi-Slav
Tolush Variation, Semi-Slav
Noteboom Variation, Semi-Slav
Abrahams; Noteboom; Klaus Junge Var, QGD
Anti-Noteboom Variation, Semi-Slav
Beliavsky Line, Semi-Slav
Harrwitz; Rubinstein Var, QGD
Heral Variation, QGD
Lasker Defense, QGD
Pillsbury Attack, QGD
Neo Orthodox Variation, QGD
Lasker Variation, QGD
Bernstein Variation, QGD
Teichmann Variation, QGD
Anti-Tartakower Variation, QGD
Petrosian Variation, QGD
Botvinnik Variation, QGD
Rauzer Variation, QGD
Henneberger; Swiss Variation, QGD
Capablanca Variation, QGD
Pillsbury Variation, QGD
Rubinstein Variation, QGD
Fianchetto Variation, Orthodox Defense, QGD
Alekhine Variation, QGD
Classical Variation, QGD
Janowski Variation, Orthodox Defense, QGD
Uhlmann Variation, QGD
Been & Koomen; Dutch & Peruvian
Pseudo-Tarrasch Variation, QGD
Canal; Venice Variation, QGD
Primitive Pillsbury Variation, QGD
Manhattan; Westphalia Variation, QGD
Westphalian Variation, QGD
Cambridge Springs; Pillsbury Variation, QGD
Bogoljubov Variation, QGD
Argentine Variation, QGD
Alekhine Variation, QGD
Alekhine Gambit, QGD
Exchange Variation, QGD
Positional Variation, Exchange Variation, QGD
Saemisch Variation, QGD
Alekhine Variation, QGD
Harrwitz Attack, QGD
Pillsbury Variation, Semi-Tarrasch
San Sebastian Variation, QGD
Anti-Meran Gambit, QGD
Botvinnik Variation, QGD
Ekstrom Variation, Semi-Slav
Lilienthal Variation, Semi-Slav
Alatortsev System, Semi-Slav
Anti-Moscow Gambit
Acclerated Meran, QGD
Normal Variation, Semi-Slav
Romi Variation, QGD
Chigorin Variation, QGD
Bogoljubow Variation, QGD
Pirc Variation, QGD
Old Variation, Semi-Slav
Sozin Variation, QGD
Stahlberg Variation, QGD
Old Meran Variation, QGD
Lundin; Neo-Meran
Wade Variation, QGD
Larsen Variation, Semi-Slav
Rubinstein; anti-Meran
Stoltz Variation, Semi-Slav
Center Variation, Semi-Slav
Mikhalchishin Line, Semi-Slav
Shabalov Attack, Semi-Slav
Stonewall Defense, Semi-Slav
Vienna Variation, Semi-Slav
Pseudo-Tarrasch, QGD
Bishop Attack, Tarrasch
Anti-Noteboom Gambit, Semi-Slav
Traditional Variation, QGD
Vienna Variation, QGD
Duras Variation, QGD; Capablanca Variation
Hastings Variation, QGD
Capablanca Variation, QGD
Pseudo-Meran; Semi-Slav, QGD
Quiet Variation, Semi-Slav
Semmering Variation, Semi-Slav
Alekhine Defense, QGD
Exchange Variation, Chigorin Defense
Costa's Line
Janowski Variation, QGD
Tartakower Gambit, QGD
Modern Gambit, Chigorin Defense
Alekhine Variation, Chigorin Defense
Lazard Gambit, Chigorin Defense
Marshall Defense; Knight Defense, QGD
Cocquio Counter Gambit, QGD; Tan Gambit
Stonewall Attack, Queen Pawn Game
Stonewall Attack
Blackmar-Diemer Gambit
Fritz Gambit, BDG
Diemer-Rosenberg Attack, BDG
Blackmar Gambit; Gedult Gambit
Pohlmann Variation, BDG
Mieses; Nimzovich Var, BDG
Polish Gambit, BDG
Grosshans Defense, BDG
Zeller Defesne, BDG
Zeller Defesne, BDG
Soller Attack, BDG
Dries Counter-Attack, BDG
Lemberger Counter-Gambit, BDG
Soller; Lemberger Var, BDG; Diemer Attack
Endgame Variation, BDG
Rasmussen Attack, BDG
Lange Gambit; Alfred Lange Gambit; Simple Variation
Sneiders Attack, BDG
Rasa-Studier Variation, BDG
Giertz-Peters Gambit, BDG
Netherlands Variation, BDG
Mieses; Nimzovich Var, BDG
Vienna Variation, BDG
Studier-Rasa Gambit, BDG
Von Popiel Gambit
Zilbermints Variation, BDG
Blackmar-Diemer Gambit
Hans Mullers; Vienna V
Soller; Vienna Var, BDG
Tejler Attack, BDG
Sperling Attack, BDG
Diemer Gambit, BDG
Kampars Gambit, BDG
Gunderam Attack, BDG
Brombacher; Daberitz Var, BDG
O'Kelly Variation, BDG
Langeheinecke Variation, BDG
Elbert Counter-Gambit, BDG
Weinsbach Declination, BDG
Pfrang Gambit, BDG
Ritter Defense, BDG
Gunderam; Tartakower Var, BDG
Teichmann Variation, BDG
Kaulich Variation, BDG
Ziegler; Gunderam's 2nd Defense, BDG
Euwe Variation, BDG
Zilbermints Gambit, BDG
Duthilleuk Gambit, BDG
Bogoljubow Variation, BDG
Mad Dog Attack, BDG
Nimzovich Attack, BDG
Kloss Attack, BDG
Studier Attack, BDG
Diemer Attack, BDG
Peters Attack, BDG
Gunderam Defense, BDG; Rook Pawn Defense
Schuttler Defense, BDG
Pietrowsky Variation, BDG
Ryder Variation, BDG
Tautvaisis Defense, BDG
Tejler Gambit, BDG
Albrecht; Karlshruhle Defense, BDG
Lamb Defense, BDG
Mason Attack, Queen Pawn Game
Zurich Gambit
Chigorin; Ponziani; Veresov
Alburt Defense, QP
Anti-Veresov
Irish Gambit, QP
Shaviliuk Gambit, QP
Dutch System, QP
Fianchetto Defense, QP
Shropshire Defense
Veresov Variation, QP
Richter Variation, Veresov
Classical Defense, Veresov
Two Knights System, Veresov
Grunfeld Defense, Veresov
Boyce Defense, Veresov
Hubsch Gambit
Anti-Torre, QP
Anti-Torre
Queen's Gambit Reversed; Krause Variation
Chandler Gambit, QP
Chigorin Variation, QP
Symmetrical Variation, QP
London System; Queen's Bishop Opening
Poisoned Pawn Variation, QP
Breyer Variation, QP
Grunfeld Variation, QP
Gossip Variation, QP
Zilbermints Variation, QP
Queen's Gambit Accepted Deferred
Bishop Defense, QP; Anti-Colle
Zukertort Variation, QP
Rubinstein Attack, Colle
Pseudo-Catalan
Amazon Attack
Siberian Attack
Anti-Grunfeld Variation
Danube Gambit; Adorjan Gambit
Danube; Donau Gambit
Nimzovich Attack; Anti-Grunfeld; Alekhine Variation
Goglidze Attack
Leko Gambit
Kemeri; Neo-Grunfeld
Counterthrust Variation
Exchange Variation, Neo-Grunfeld
Ultra-delayed Exchange Variation, Neo-Grunfeld
Modern Defense, Neo-Grunfeld
Polgar Variation, Neo-Grunfeld
Capablanca Variation, Grunfeld
Botvinnik Variation, Grunfeld
Reshevsky Gambit, Grunfeld
Stockholm Variation, Grunfeld
Exchange Variation, Grunfeld
Simagin Variation, Grunfeld
Seville Variation, Grunfeld
Sokolsky Variation, Grunfeld
Simagin Improved Variation, Grunfeld
Larsen Variation, Grunfeld
Larsen Variation, Grunfeld
Modern Main Line, Grunfeld
Kramnik's Line, Grunfeld
Kemeri Variation, Grunfeld
Nadanian Attack
Makogonov Variation, Grunfeld
Opocensky Variation, Grunfeld
Paris Variation, Grunfeld
Schlechter Variation, Grunfeld
Flohr Variation, Grunfeld
Smyslov Variation, Grunfeld
Vienna Variation, Grunfeld
Pachman Variation, Grunfeld
Botvinnik Variation, Grunfeld
Schlechter Variation, Grunfeld
Lutikov Variation, Grunfeld
Murey Attack, Grunfeld
Kemeri Variation, Grunfeld
Gibbon Gambit; Grunfeld Spike
Zaitsev Gambit, Grunfeld
Makogonov Variation, Grunfeld
Opocensky Variation, Grunfeld
Flohr Variation, Grunfeld
Hungarian Variation, Grunfeld
Levenfish Variation, Grunfeld
Yugoslav Variation, Grunfeld
Szabo (Boleslavsky) Variation, Grunfeld
Prins Variation, Grunfeld
Simagin (Byrne) Variation, Grunfeld
Neo-Grunfeld Defense
Iago Defense
Barry Attack