♟ Chess Openings

ECO B

ECO B - Semi-Open Games

Semi-open games arise after 1.e4 when Black responds with something other than 1...e5. This includes the Sicilian Defense, French Defense, Caro-Kann Defense, Pirc Defense, and others. These asymmetrical openings often lead to complex middlegames.

ECO Subcategories

B00 B01 B02 B03 B04 B05 B06 B07 B08 B09 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 B50 B51 B52 B53 B54 B55 B56 B57 B58 B59 B60 B61 B62 B63 B64 B65 B66 B67 B68 B69 B70 B71 B72 B73 B74 B75 B76 B77 B78 B79 B80 B81 B82 B83 B84 B85 B86 B87 B88 B89 B90 B91 B92 B93 B94 B95 B96 B97 B98 B99

437 Openings Found

Snagkeouss Defense

e4 a5 d4 Nc6 B00

St George; Birmingham; Baker

San Jorge Variation

e4 a6 d4 b5 Nf3 Bb7 Bd3 d6 O-O g6 c3 Bg7 B00

Polish Variation, St George Defense

e4 a6 d4 b5 Nf3 Bb7 Bd3 e6 B00

Zilbermints Gambit, St George Defense

e4 a6 d4 e5 B00

San Jorge Variation

e4 a6 d4 e6 B00

Three Pawn Attack, St George

e4 a6 d4 e6 c4 B00

Sanky-Georg Gambit, St George

e4 a6 d4 e6 c4 b5 B00

Woodchuck Variation, St George

e4 a6 d4 Nc6 B00

Owen's Defense; Greek Defense

Guatemalan Defense

e4 b6 d4 Ba6 B00

Matovinsky Gambit

e4 b6 d4 Bb7 Bd3 f5 B00

Matovinsky Gambit

e4 b6 d4 Bb7 Bd3 f5 exf5 Bxg2 Qh5+ g6 B00

Naselwaus Variation, Owen's Defense

e4 b6 d4 Bb7 Bg5 B00

Wind Gambit, Owen Defense

e4 b6 d4 Bb7 f3 e5 B00

Smith Gambit, Owen Defense

e4 b6 d4 Bb7 Nf3 B00

Hekili-Loa Gambit, Owen Defense

e4 b6 d4 c5 dxc5 Nc6 B20

Mengarini Gambit, Sicilian

Mengarini Gambit, Sicilian

e4 c5 a3 Nc6 b4 B20

Snyder Variation, Sicilian

Queen Fianchetto Variation, Sicilian

e4 c5 b3 b6 B20

Wing Gambit, Sicilian

Marshall Variation, Sicilian

e4 c5 b4 cxb4 a3 B20

Wing; Carlsbad Variation, Sicilian

e4 c5 b4 cxb4 a3 bxa3 B20

Marienbad Variation, Sicilian

e4 c5 b4 cxb4 a3 d5 exd5 Qxd5 Bb2 B20

Abrahams Variation, Sicilian Wing Gambit

e4 c5 b4 cxb4 Bb2 B20

Santasiere Wing Gambit, Sicilian

e4 c5 b4 cxb4 c4 B20

Bowlder Attack, Sicilian

e4 c5 Bc4 B20

e4 c5 Be2 B22

Barmen Defense, Sicilian

e4 c5 c3 d5 exd5 Qxd5 B22

Sherzer Variation, Sicilian

e4 c5 c3 Nf6 e5 Nd5 d4 e6 Nf3 Nc6 B22

Stoltz Attack, Sicilian

e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6 Bc4 Nb6 Bb3 B20

Staunton-Cochrane Variation, Sicilian

Gloria Variation, Sicilian

e4 c5 c4 d6 Nc3 Nc6 g3 h5 B20

Chameleon Variation, Sicilian

Big Clamp Variation, Sicilian

e4 c5 d3 Nc6 c3 d6 f4 B20

Sicilian Center Game

e4 c5 d4 cxd4 B20

Smith-Morra; Fleissig Gambit, Sic

e4 c5 d4 cxd4 c3 B20

Rivadavia Gambit, Sicilian

e4 c5 d4 cxd4 c3 B20

Push Variation, Smith-Morra Gambit, Sicilian

e4 c5 d4 cxd4 c3 d3 B20

Dubois Variation, Sicilian

e4 c5 d4 cxd4 c3 d3 c4 B20

Scandanavian Formation, Smith-Morra, Sicilian

e4 c5 d4 cxd4 c3 d5 B20

Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 B20

Chicago Defense, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 d6 Bc4 e6 Nf3 Nf6 O-O a6 B20

Taimanov Formation, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6 Bc4 a6 Nf3 Ne7 B20

Kan Formation, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6 Nf3 a6 B20

Fianchetto Defense, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6 Nf3 g6 B20

Classical Formation, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 a6 O-O Nf6 B20

Scheveningen Formation, Smith-Morra Accepted

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6 B20

Paulsen Formation, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 a6 B20

Morphy Defense Deferred, Smith-Morra Accepted

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 a6 O-O b5 Bb3 Bc5 B20

Larsen Defense, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 a6 O-O Qc7 Qe2 Bd6 B20

Pin Defense, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 Bb4 B20

Morphy Defense, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 Bc5 B20

Sozin Formation, Smith-Morra Accepted, Sicilian

e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 d6 O-O a6 Qe2 b5 B20

Center Formation, Smith-Morra Declined, Sicilian

e4 c5 d4 cxd4 c3 e5 B20

Alapin Formation, Smith-Morra Declined, Sicilian

e4 c5 d4 cxd4 c3 Nf6 B20

Wing Formation, Smith-Morra Declined, Sicilian

e4 c5 d4 cxd4 c3 Qa5 B20

Halasz Gambit, Sicilian

e4 c5 d4 cxd4 f4 B20

Morphy Gambit, Sicilian

e4 c5 d4 cxd4 Nf3 B20

Andreaschek Gambit, Sicilian

e4 c5 d4 cxd4 Nf3 e5 c3 B21

Tal Gambit, Sicilian

e4 c5 f4 d5 exd5 Nf6 B20

Steinitz; Tartakower, Lasker-Dunne Variation, Sicilian

Myers Attack, Sicilian

King David's Opening

e4 c5 Ke2 B23

Grand Prix Variation, Sicilian

e4 c5 Nc3 d6 f4 B23

Marshall Gambit, Sicilian

e4 c5 Nc3 e6 d4 d5 B23

Korchnoi Defense, Sicilian

e4 c5 Nc3 e6 g3 d5 B23

Traditional Closed Sicilian

e4 c5 Nc3 Nc6 B23

Portland Attack, Sicilian

e4 c5 Nc3 Nc6 d3 g6 g4 B23

Vinken System, Sicilian; Grand Prix Attack

e4 c5 Nc3 Nc6 f4 B23

Schofman Variation, Sicilian

e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4 e6 f5 B25

Botvinnik Defense, Sicilian Closed

e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 B25

Edge Variation, Sicilian Closed

e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 Nh3 Nge7 B23

Chameleon Sicilian

e4 c5 Nc3 Nc6 Nge2 B20

Keres; Billium Attack, Sicilian; Chameleon

e4 c5 Ne2 B28

Kieseritzky System, Sicilian

e4 c5 Nf3 a6 b3 B28

Wing Gambit, Sicilian

e4 c5 Nf3 a6 b4 B28

Aronin System, Sicilian

e4 c5 Nf3 a6 Be2 B28

Venice System, Sicilian

e4 c5 Nf3 a6 c3 B28

Ljubojevic Line, Sicilian

e4 c5 Nf3 a6 c3 b5 B28

Gambit Line, O'Kelly Sicilian

e4 c5 Nf3 a6 c3 d5 exd5 Nf6 B28

Steiner Line, Sicilian

e4 c5 Nf3 a6 c3 d6 B28

Barcza Line, Sicilian

e4 c5 Nf3 a6 c3 Nf6 B28

Maroczy Bind, O'Kelly Sicilian

e4 c5 Nf3 a6 c4 B28

Robatsch Line, Sicilian

e4 c5 Nf3 a6 c4 d6 B28

Paulsen Line, Sicilian

e4 c5 Nf3 a6 c4 e6 B28

Geller Line, Sicilian

e4 c5 Nf3 a6 c4 Nc6 d4 cxd4 Nxd4 e5 B28

Quiet System, O'Kelly Sicilian

e4 c5 Nf3 a6 d3 B28

Normal System, O'Kelly Sicilian

e4 c5 Nf3 a6 d4 B28

Cortlever Gambit, Sicilian

e4 c5 Nf3 a6 d4 cxd4 Bc4 B28

Smith-Morra Line, O'Kelly Sicilian

e4 c5 Nf3 a6 d4 cxd4 c3 B28

Taimanov Line, O'Kelly Sicilian

e4 c5 Nf3 a6 d4 cxd4 Nxd4 e5 B28

Kan Line, O'Kelly Sicilian

e4 c5 Nf3 a6 d4 cxd4 Nxd4 e6 B28

Zagorovsky Line, O'Kelly Sicilian

e4 c5 Nf3 a6 d4 cxd4 Qxd4 B28

Reti System, O'Kelly Sicilian

e4 c5 Nf3 a6 g3 B28

Yerevan System, O'Kelly Sicilian

e4 c5 Nf3 a6 Nc3 B27

Polish Gambit, Sicilian

e4 c5 Nf3 b5 B27

Katalimov Variation, Sicilian

e4 c5 Nf3 b6 B51

Wing Gambit Deferred, Sicilian

e4 c5 Nf3 d6 b4 B52

Bronstein (Haag) Gambit, Sicilian

e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 c3 Nf6 d4 B51

Moscow Gambit, Sicilian

e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 c3 a6 Bxc6 Bxc6 Re1 Nf6 d4 Bxe4 Bg5 B51

Dorfman Gambit, Sicilian

e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Qe2 g6 e5 B50

Kopec System, Sicilian

e4 c5 Nf3 d6 Bd3 B50

Delayed Alapin, Sicilian

e4 c5 Nf3 d6 c3 B50

Basman-Palatnik Gambit

e4 c5 Nf3 d6 c3 Nf6 Be2 Nc6 d4 cxd4 cxd4 Nxe4 B53

Tartakower Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 c3 B55

Ginsberg Gambit, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Bc4 B55

Moscow (Prins) Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 B55

Venice Attack, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+ B90

Lipnitzky Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bc4 B92

Opocensky Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 B90

Byrne Variation, Sicilian; English Attack

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 B90

Anti-English, Najdorf Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4 B96

Polugaevsky; Accelerated Najdorf

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 B96

Simagin Line, Najdorf Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2 B98

Argenitne; Goteborg Var, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 g5 B98

Browne Variation, Najdorf Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7 B97

Poisoned Pawn Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 B97

Poisoned Pawn Accepted, Najdorf Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 B90

Adams Attack, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 h3 B90

Freak Attack, Siicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Rg1 B56

Kupreichik Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Bd7 B56

Venice Attack, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Bb5+ B80

Vitolins Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bb5+ B89

Sherbakov Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Bb3 O-O O-O Na5 f4 b6 B89

Velimirovic Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2 B85

Paulsen Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 f4 Nc6 B80

English Attack, Scheveningen Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 B81

Delayed Keres Attack, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 g4 B81

Perenyi Gambit, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 g4 e5 Nf5 g6 g5 B82

Tal Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3 B80

Fianchetto Variation, Scheveningen Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 B70

Alekhine Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Nb3 B72

Nottingham Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Nb3 B73

Zollner Gambit, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O f4 Qb6 B74

Alekhine Line, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 a5 B74

Maroczy Line, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Na5 B74

Tartakower Line, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Qc8 B72

Amsterdam (Battery) Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2 B72

Grigoriev Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2 O-O O-O-O B77

Sosonko Variation, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Nd7 B76

Panov Variation, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 g4 B70

Fianchetto Variation, Sicilian Dragon

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3 B56

Classical Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 B57

Anti-Sozin Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 B56

Yates Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bd3 B58

Boleslavsky Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 B58

Louma Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nxc6 B62

Margate (Vitolins) Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Bb5 B62

Podebrady Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Nb3 B62

Exchange Variation, Richter-Rauzer Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Nxc6 B63

Ivanov Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6 B60

Dragon Variation, Richter-Rauzer Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 g6 B58

Fianchetto Variation, Richter-Rauzer Sicilizn

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 g3 B56

Spielmann Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Nde2 B53

Chekhover Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Qxd4 B53

Zaitsev Variation, Sicilian

e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Qd7 B53

Lazy Knight Variation, Sicilian

e4 c5 Nf3 d6 d4 Nd7 B53

Cortlever Variation, Sicilian

e4 c5 Nf3 d6 d4 Nf6 dxc5 Nxe4 cxd6 B50

Kotov Gambit, Sicilian

e4 c5 Nf3 d6 g3 b5 B27

Jalalabad Variation, Sicilian

e4 c5 Nf3 e5 B40

Wing Gambit Deferred, Sicilian

e4 c5 Nf3 e6 b4 B40

Kramnik Variation, Sicilian

e4 c5 Nf3 e6 c4 B41

Accelerated Wimpy Variation, Sic

e4 c5 Nf3 e6 d4 cxd4 B41

Paulsen; Kan Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 B42

Polugaevsky Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5 B42

Swiss Cheese Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 g6 B41

Reti Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 B41

Hedgehog Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 g6 B41

Bronstein Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Bb4 Bd3 Nc6 B44

Szen Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 B44

Gary Gambit, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 d5 B46

Taimanov Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nge7 B45

Paulsen Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 B45

American Attack, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 Nd6+ B47

Ponomariov Gambit, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Ndb5 Qb8 Be3 a6 Bb6 B41

Anderssen; Counterattack Var, Sic

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 B41

Pin Variation; Sicilian CounterAttack

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 B41

Jaffe Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 Bd3 e5 B41

Koch Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 e5 B45

Four Knights Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 B45

Cobra Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Ndb5 Bc5 B40

Gaw-Paw Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6 B40

Kveinis Variation, Sicilian

e4 c5 Nf3 e6 d4 cxd4 Nxd4 Qb6 B41

Marshall Variation, Sicilian

e4 c5 Nf3 e6 d4 d5 B27

Brussels Gambit, Sicilian

e4 c5 Nf3 f5 B27

Double-Dutch Gambit, Sicilian

e4 c5 Nf3 f5 exf5 Nh6 B27

Hyperaccelerated Dragon, Sicilian

e4 c5 Nf3 g6 B27

Action Extension, Sicilian

e4 c5 Nf3 g6 c4 Bh6 B27

Hyperaccelerated Pterodactyl, Sic

e4 c5 Nf3 g6 d4 Bg7 B27

Frederico Variation, Sicilian

e4 c5 Nf3 g6 d4 f5 B27

e4 c5 Nf3 g6 d4 f5 B27

Buecker Variation, Sicilian

e4 c5 Nf3 h6 B30

e4 c5 Nf3 Nc6 B31

Gufeld Gambit, Sicilian

e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 e5 d4 B31

Lutikov Gambit, Sicilian

e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 Nf6 d4 B31

Gurgenidze Variation, Sicilian

e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5 b4 B31

San Francisco Gambit, Sicilian

e4 c5 Nf3 Nc6 Bb5 Na5 b4 B32

Nimzovich Variation, Sicilian; Nimzo-American Variation

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 d5 B32

Bourdonnais; Lowenthal Var, Sic

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 B32

Kalashnikov Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 B36

Gurgenidze Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6 B33

Four Knights Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 B33

Lasker-Pelikan Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 B33

Pelikan Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 B33

Chelyabinsk Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 B33

Sveshnikov Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 B33

Bird Variation, Siclian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 Be6 B32

Retreat Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3 B32

Godiva Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qb6 B32

Flohr Variation, Sicilian

e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qc7 B29

Advance Variation, Sicilian

e4 c5 Nf3 Nf6 e5 B27

Mongoose Variation, Sicilian

e4 c5 Nf3 Qa5 B27

Althouse; Stiletto Variation, Sicilian

e4 c5 Nf3 Qa5 B27

Accelerated Paulsen, Sicilian

e4 c5 Nf3 Qc7 B27

Quinteros Variation, Sicilian

e4 c5 Nf3 Qc7 B20

Brick Variation, Sicilian

e4 c5 Nh3 B10

Hillbilly Attack, Caro-Kann

e4 c6 Bc4 B10

Modern; English Variation, Accelerated Panov; Caro-Kann

Breyer Variation, Caro-Kann

Stein Attack, Caro-Kann

e4 c6 d3 d5 Nd2 g6 g3 Bg7 Bg2 e5 Ngf3 Ne7 O-O O-O b4 B12

Landau Gambit, Caro-Kann

e4 c6 d4 d5 Bd3 Nf6 e5 Nfd7 e6 B12

Mieses Gambit, Caro

e4 c6 d4 d5 Be3 B12

Diemer-Duhm Gambit, Caro

e4 c6 d4 d5 c4 B12

Advance Variation, Caro

e4 c6 d4 d5 e5 B12

Prins Attack, Caro-Kann

e4 c6 d4 d5 e5 Bf5 b4 B12

Bayonet Variation, Caro

e4 c6 d4 d5 e5 Bf5 g4 B12

Tal Variation, Caro-Kann

e4 c6 d4 d5 e5 Bf5 h4 B12

Van der Wiel Attack, Caro-Kann

e4 c6 d4 d5 e5 Bf5 Nc3 B12

Dreyev Defense, Caro-Kann

e4 c6 d4 d5 e5 Bf5 Nc3 Qb6 B12

Bronstein Variation, Caro-Kann

e4 c6 d4 d5 e5 Bf5 Ne2 B12

Short Variation, Caro-Kann

e4 c6 d4 d5 e5 Bf5 Nf3 B12

Botvinnik-Carls Defense, Caro-Kann

e4 c6 d4 d5 e5 c5 B13

Panov-Botvinnik; Gunderam Attack

e4 c6 d4 d5 exd5 cxd5 c4 B14

Carlsbad Line, Caro-Kann

e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 B14

Czerniak Line, Caro-Kann

e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Qa5 B14

Reifir-Spielmann Line, Caro-Kann

e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Qb6 B12

Maroczy Variation, Caro

e4 c6 d4 d5 f3 B12

Fantasy; Lilienfisch Variation, Caro

e4 c6 d4 d5 f3 B12

Maroczy Gambit, Caro-Kann

e4 c6 d4 d5 f3 dxe4 fxe4 e5 Nf3 exd4 Bc4 B15

Gurgenidze Variation, Caro

e4 c6 d4 d5 Nc3 b5 B15

Von Hennig Gambit, Caro

e4 c6 d4 d5 Nc3 dxe4 Bc4 B15

Milner-Barry Gambit, Caro; Rasa-Studier Gambit

e4 c6 d4 d5 Nc3 dxe4 f3 B18

Flohr Variation, Caro-Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nh3 B16

Finnish Variation, Caro-Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 h6 B17

Smyslov Variation, Caro-Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 B17

Tiviakov-Fischer Attack, Caro-Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Nxf6+ Nxf6 B17

Kasparov Attack, Caro-Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Ng3 B17

Ivanchuk Defense, Caro Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ndf6 B15

Knight Variation, Caro

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 B15

Tarrasch (Alekhine) Gambit, Caro

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Bd3 B15

Tartakower Variation, Caro

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 B15

Forgacs Variation, Caro Kann

e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Bc4 B15

Gurgenidze System, Caro-Kann

e4 c6 d4 d5 Nc3 g6 B15

Gurgenidze Variation, Caro

e4 c6 d4 d5 Nc3 g6 e5 Bg7 f4 h5 B15

Campomanes Attack, Caro

e4 c6 d4 d5 Nc3 Nf6 B12

Modern Variation, Caro-Kann

e4 c6 d4 d5 Nd2 B12

e4 c6 d4 d5 Nd2 g6 B12

Edinburgh Variation, Caro

e4 c6 d4 d5 Nd2 Qb6 B12

Ulysses Gambit, Caro

e4 c6 d4 d5 Nf3 dxe4 Ng5 B10

Massachussets Defense, Caro-Kann

e4 c6 d4 f5 B12

De Bruycker Defense, Caro

e4 c6 d4 Na6 B10

Masi Variation, Caro-Kann

e4 c6 d4 Nf6 B10

Scorpion-Horus Gambit, Caro-Kann

e4 c6 Nc3 d5 d3 dxe4 Bg5 B11

Two Knights Attack, Caro Kann

e4 c6 Nc3 d5 Nf3 B11

Mindeno Variation, Caro-Kann

e4 c6 Nc3 d5 Nf3 Bg4 B11

Retreat Line, Mindeno Variation, Caro-Kann

e4 c6 Nc3 d5 Nf3 Bg4 h3 Bh5 B12

Hector Gambit, Caro

e4 c6 Nc3 d5 Nf3 dxe4 Ng5 B10

Goldman Variation, Caro

e4 c6 Nc3 d5 Qf3 B10

Two Knights Variation, Caro

e4 c6 Nf3 d5 Nc3 B01

Zilbermints Gambit, Center Counter

Blackbunre-Kloosterboer Gambit, Center Counter

e4 d5 exd5 c6 dxc6 e5 B01

Atkinson (Kloosterboer) Variation, Center Counter

e4 d5 exd5 c6 dxc6 e5 B01

Blackburne Gambit, Center Counter

e4 d5 exd5 c6 dxc6 Nxc6 B01

Boehnke Gambit, Center Counter

e4 d5 exd5 e5 B01

Boehnke Gambit Accepted, Center Counter

e4 d5 exd5 e5 dxe6 Bxe6 B01

Marshall Gambit, Scandanavian G; Modern Variation, CC

e4 d5 exd5 Nf6 B01

Panov Transfer, Center Counter

e4 d5 exd5 Nf6 c4 c6 B01

Icelandic-Palme Gambit, CC

e4 d5 exd5 Nf6 c4 e6 B01

Portuguese Variation, Center Counter

e4 d5 exd5 Nf6 d4 Bg4 B01

Portuguese Gambit, Center Counter

e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 Bb5+ Nbd7 B01

Kadas Gambit, Center Counter

e4 d5 exd5 Nf6 d4 c6 dxc6 e5 B01

Wing Gambit, Center Counter

e4 d5 exd5 Nf6 d4 g6 c4 b5 B01

Marshall Variation, Center Counter

e4 d5 exd5 Nf6 d4 Nxd5 B01

Kiel Variation, Center Counter

e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb4 B01

Tomalty Gambit, Center Counter

e4 d5 exd5 Nf6 d4 Nxd5 c4 Nf6 Nc3 c5 B01

Gipslis Variation, Center Counter

e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bg4 B01

Richter Variation, Center Counter

e4 d5 exd5 Nf6 d4 Nxd5 Nf3 g6 B01

Mieses-Kotroc Variation, Center Counter

e4 d5 exd5 Qxd5 B01

Leonhardt (Rosen) Gambit, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 b4 B01

Anderssen Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5 B01

Collijn Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5 Nf3 Bg4 B01

Mieses Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 B01

Gruenfeld Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 g4 B01

Lasker Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 h3 B01

Gubinsky-Melts Defense, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qd6 B01

Schiller-Pytel Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qd6 d4 c6 B01

Bronstein Variation, Center Counter

e4 d5 exd5 Qxd5 Nc3 Qd6 d4 Nf6 Nf3 a6 B01

Closed Scandavian

e4 d5 Nc3 B07

Maroczy Defense, Pirc

e4 d6 d4 e5 B07

Philidor Gambit, Pirc

e4 d6 d4 e5 dxe5 Bd7 B07

Small Center Defense

e4 d6 d4 e6 B07

Balogh Defense, Pirc

e4 d6 d4 f5 B07

e4 d6 d4 Nf6 B07

Lion's Jaw, Pirc

e4 d6 d4 Nf6 f3 B07

e4 d6 d4 Nf6 Nc3 c6 B07

Pirc; Ufimtsev; Antal Defense

e4 d6 d4 Nf6 Nc3 g6 B07

Kholmov System, Pirc

e4 d6 d4 Nf6 Nc3 g6 Bc4 B07

Classical System, Pirc

e4 d6 d4 Nf6 Nc3 g6 Be2 B07

Chinese Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 g4 B07

Bayonet Attack, Pirc

e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 h4 B07

Sveshnikov-Jansa Attack, Pirc

e4 d6 d4 Nf6 Nc3 g6 Be3 c6 h3 B07

e4 d6 d4 Nf6 Nc3 g6 Be3 c6 Qd2 B07

Panov; Opatijav; Byrne Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 Bg5 B09

Ljubojevic Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Bc4 B09

Austrian; Yugoslav Defense, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 B09

Dragon Formation, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 B09

Weiss Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 B09

Kurajica Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Be3 B09

Unzicker Attack, Pirc

e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O e5 B08

Two Knights System, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 B08

Quiet System, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 B08

Parma Defense, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Bg4 B08

Czech Defense, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6 B08

Chigorin Line, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Nc6 B08

Schlechter Variation, Pirc

e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 B07

e4 d6 d4 Nf6 Nc3 Nbd7 f4 B07

Roscher Gambit, Pirc

e4 d6 d4 Nf6 Nf3 B00

Mao Tse Tung; Duras

Fred; From Reversed

Tiers Counter-Gambit

Basman Defense; Macho Grob

Basman; Macho Grob; Borg

e4 g5 d4 Bg7 B00

Zilbermints Gambit, Borg

e4 g5 d4 e5 B00

Borg Defense; Troon Gambit

e4 g5 d4 h6 h4 g4 B06

Monkey's Bum, Pirc

e4 g6 Bc4 Bg7 Qf3 e6 d4 B06

e4 g6 d4 Bg7 Bc4 B06

e4 g6 d4 Bg7 Bc4 b5 B06

Westermann Gambit

e4 g6 d4 Bg7 Bd2 B06

e4 g6 d4 Bg7 Bd3 B06

Three Pawns Attack

e4 g6 d4 Bg7 f4 B06

Pterodactyl, Pirc

e4 g6 d4 Bg7 Nc3 c5 B06

Gurgenidze Defense, Modern Defense

e4 g6 d4 Bg7 Nc3 c6 f4 d5 e5 h5 B06

Mittenberger Gambit, Modern Defense

e4 g6 d4 Bg7 Nc3 d5 B06

e4 g6 d4 Bg7 Nc3 d6 Bc4 c6 Qe2 B06

Pseudo-Austrian Attack

e4 g6 d4 Bg7 Nc3 d6 f4 B06

Two Knight Variation, Modern Defense

e4 g6 d4 Bg7 Nc3 d6 Nf3 B06

Suttles Variation, Modern Defense

e4 g6 d4 Bg7 Nc3 d6 Nf3 c6 B06

Mongredien Defense, Pirc

e4 g6 d4 Bg7 Nf3 b6 B06

Geller's System, Modern Defense

e4 g6 d4 Bg7 Nf3 d6 c3 B06

Rossolimo Variation, Modern Defense

e4 g6 d4 Bg7 Nf3 d6 c4 Bg4 B06

Accelerated Gurgenidze

e4 g6 d4 Bg7 Nf3 d6 Nc3 c6 B06

Small Center Variation, Pirc

e4 g6 d4 Bg7 Nf3 d6 Nc3 e6 B06

Fianchetto Gambit, Modern Defense

e4 g6 d4 f5 B06

Norwegian Defense

e4 g6 d4 Nf6 B06

e4 g6 d4 Nh6 Nc3 f5 Bxh6 Bxh6 exf5 O-O B00

Pickering (Goldsmith) Defense

Picklepuss Defense

e4 h5 d4 Nf6 B00

Zilbermints Gambit, Carr Defense

e4 h6 d4 e5 B00

Lemming Defense

Nimzovich Defense

Wheeler Gambit, Nimzovich Defense

e4 Nc6 b4 Nxb4 c3 Nc6 d4 B00

Pseudo-Spanish Variation

e4 Nc6 Bb5 B00

Scandanavian Variation, Nimzovich Defense

e4 Nc6 d4 d5 B00

Hornung Gambit, Nimzovich Defense

e4 Nc6 d4 d5 Be3 B00

Aachen Gambit, Nimzovich Defense

e4 Nc6 d4 d5 exd5 Nb4 B00

Marshall Gambit, Nimzovich

e4 Nc6 d4 d5 exd5 Qxd5 Nc3 B00

Bogoljubow Variation, Nizovich Defense

e4 Nc6 d4 d5 Nc3 B00

Brandics Gambit, Nimzovich Defense

e4 Nc6 d4 d5 Nc3 a6 B00

Richter Gambit, Nimzovich Defense

e4 Nc6 d4 d5 Nc3 dxe4 d5 Nb8 f3 B00

Nimzovich Gambit, Nimzovich Defense

e4 Nc6 d4 d5 Nc3 dxe4 d5 Ne5 B00

Alekseev Variation, Nimzovich; Heinola-Deppe Gambit

e4 Nc6 d4 d5 Nc3 e5 B00

Erben Gambit, Nimzovich Defense

e4 Nc6 d4 d5 Nc3 g6 B00

Vehre Variation, Nimzovich Defense

e4 Nc6 d4 d5 Nc3 Nf6 B00

Mikenas Variation, Nimzovich Defense

e4 Nc6 d4 d6 B00

Kennedy Variation, Nimzovich

e4 Nc6 d4 e5 B00

Linksspringer Variation, Nimzovich Defense

e4 Nc6 d4 e5 d5 B00

Bileefelder Gambit, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 Bc5 B00

Burgar Gambit, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 d6 B00

Hammer Gambit, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 f6 B00

Riemann Defense, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 Nxe5 f4 Nc6 B00

Keres Attack, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 Nxe5 Nc3 B00

Paulsen Attack, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 Nxe5 Nf3 B00

Herford Gambit, Nimzovich Defense

e4 Nc6 d4 e5 dxe5 Qh4 B00

French Connection, Nimzovich Defense

e4 Nc6 d4 e6 B00

Neo-Mongoloid Defense, Nimzovich

e4 Nc6 d4 f6 B00

Pirc Connection, Nimzovich Defense

e4 Nc6 d4 g6 B00

Breyer Defense, Nimzovich

e4 Nc6 Nc3 Nf6 B00

Williams Variation, Nimzovich

e4 Nc6 Nf3 d6 B00

Franco-Nimzovich Variation

e4 Nc6 Nf3 e6 B00

Colorado Defense, Nimzovich; Lean Variation

e4 Nc6 Nf3 f5 B00

Colorado Counter Accepted, Nimzovich Defense

e4 Nc6 Nf3 f5 exf5 B00

El Columpio Defense, Nimzovich Defense

e4 Nc6 Nf3 Nf6 e5 Ng4 B02

Krejcik Variation, Alekhine

e4 Nf6 Bc4 B02

Fried Fox, Alekhine; Krejcik Gambit

e4 Nf6 Bc4 Nxe4 Bxf7+ B02

Maroczy Variation, Alekhine

e4 Nf6 d3 B02

Welling Variation, Alekhine

e4 Nf6 e5 Nd5 b3 B02

Kmoch Variation, Alekhine

e4 Nf6 e5 Nd5 Bc4 Nb6 Bb3 c5 d3 B02

Hunt Gambit, Alekhine; Two Pawn Attack

e4 Nf6 e5 Nd5 c4 B02

Steiner Variation, Alekhine

e4 Nf6 e5 Nd5 c4 Nb6 b3 B02

Lasker Variation, Alekhine

e4 Nf6 e5 Nd5 c4 Nb6 c5 B02

Mikenas Gambit, Alekhine

e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Bc4 e6 Nc3 d6 Nxd5 exd5 Bxd5 B02

Matsukevich Gambit, Alekhine

e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Nc3 Nxc3 dxc3 d6 Bg5 B03

Wall Variation, Alekhine

e4 Nf6 e5 Nd5 d4 c5 B03

Balogh Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Bc4 B03

Hunt Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 c5 B03

Four Pawns Attack; Chase V

e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 B03

Trifunovic Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 Bf5 B03

Cambridge Gambit, Alekhine

e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g5 B05

Flohr Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 c6 B05

Alekhine Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 B04

Panov Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 h3 B04

Larsen Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5 B04

Alburt Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 B04

Keres Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 a4 B04

Karpov Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 c4 Nb6 h3 Bg7 Be2 B04

Schmid Variation, Alekhine

e4 Nf6 e5 Nd5 d4 d6 Nf3 Nb6 B02

Buntin Gambit, Alekhine

e4 Nf6 e5 Nd5 e6 B02

Buckley Attack, Alekhine

e4 Nf6 e5 Nd5 Na3 B02

Saemisch Attack, Alekhine

e4 Nf6 e5 Nd5 Nc3 B02

Mokele Mbembe; Knight's Tour

e4 Nf6 e5 Ne4 B02

Retreat; Brooklyn Variation, Alekhine

e4 Nf6 e5 Ng8 B02

Everglades Defense, Alekhine

e4 Nf6 e5 Ng8 d4 f5 B02

Scandanavian Variation, Alekhine

e4 Nf6 Nc3 d5 B02

Myers Gambit, Alekhine

e4 Nf6 Nc3 d5 d3 dxe4 Bg5 B02

Spielmann Variation, Alekhine

e4 Nf6 Nc3 d5 e5 Nfd7 e6 B02

Noch Gambit, Alekhine

e4 Nf6 Nc3 d5 exd5 B02

Geschev Gambit, Alekhine

e4 Nf6 Nc3 d5 exd5 c6 B02

John Tracy Gambit, Alekhine

e4 Nf6 Nf3 B00

Wild Bull Defense