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Shakki/Avaushakemisto/C40 C59

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http://www.geocities.com/siliconvalley/lab/7378/eco.htm
ECO-koodi Pelin nimi Siirtosekvenssi
C40 King's Knight Opening; C40 1.e4 e5 2.Nf3
C40 Glatz Gambit; Busch-Gass Gambit 1.e4 e5 2.Nf3 Bc5
C40 Chiodini Gambit 1.e4 e5 2.Nf3 Bc5 3.Nxe5 Nc6
C40 Jalalabad Defense 1.e4 e5 2.Nf3 c5
C40 Gunderam Gambit 1.e4 e5 2.Nf3 c6
C40 Queen's Pawn Counter-Gambit; Elephant Gambit 1.e4 e5 2.Nf3 d5
C40 Maroczy; Elephant Gambit 1.e4 e5 2.Nf3 d5 3.exd5 Bd6
C40 Halasz-Jacobsen Gambit 1.e4 e5 2.Nf3 d5 3.exd5 Bd6
C40 Maroczy Gambit 1.e4 e5 2.Nf3 d5 3.exd5 Bd6
C40 Paulsen Counter-Gambit 1.e4 e5 2.Nf3 d5 3.exd5 e4
C40 Wasp Variation 1.e4 e5 2.Nf3 d5 3.Nxe5 dxe4 4.Bc4 Qg5
C40 Latvian; Greco Counter-Gambit 1.e4 e5 2.Nf3 f5
C40 Senechaud Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.b4
C40 Mayet Attack, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4
C40 Strautins Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4 b5
C40 Polerio-Svedenborg Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5
C40 Poisoned Pawn Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2
C40 Duke of Courland Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2 6.Qh5 g6 7.Bf7 Kd8 9.Bg6 Qh1
C40 Morgado Defense, Latvian 1.e4 e5 2.Nf3 f5 3.Bc4 Nf6
C40 Diepstraten Countergambit, Latvian 1.e4 e5 2.Nf3 f5 3.c4
C40 Clam Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.d3 Nc6 4.exf5
C40 Mason Countergambit, Latvian 1.e4 e5 2.Nf3 f5 3.d4
C40 Latvian Gambit Accepted 1.e4 e5 2.Nf3 f5 3.exf5
C40 Lobster Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.g4
C40 Mlotkowski Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Nc3
C40 Fraser Defense, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Nc6
C40 Corkscrew Counter-Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Nf6 4.Bc4 fxe4 5.Nf7 Qe7 8.Nxh8 d5
C40 Greco Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qe7
C40 Mail Line, Latvian Gambit Accepted 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4
C40 Bilguer Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4
C40 Bronstein Attack, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Be2
C40 Nimzovich Attack, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3
C40 Bronstein Gambit, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Qh5+ g6 7.Qe2
C40 Foltys-Leonhardt Variation, Latvian Gambit 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4
C40 Foltys Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.d3
C40 Leonhardt Variation, Latvian 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.Nc3
C40 Damiano Defense 1.e4 e5 2.Nf3 f6
C40 Damiano Gambit 1.e4 e5 2.Nf3 f6 3.Nxe5 fxe5 4.Qh5+ g6 5.Qxe5+ Qe7 6.Qxh8
C40 Chigorin Gambit, Damiano 1.e4 e5 2.Nf3 f6 3.Nxe5 Qe7 4.Nf3 d5
C40 Levenstein; Queen's Defense; Brazilian; Gunderam 1.e4 e5 2.Nf3 Qe7
C40 Gunderam Gambit 1.e4 e5 2.Nf3 Qe7 3.Bc4 f5
C40 McConnell Defense 1.e4 e5 2.Nf3 Qf6
C40 Greco Defense 1.e4 e5 2.Nf3 Qf6
C40 Labourdonnais Gambit 1.e4 e5 2.Nf3 Qf6 3.Bc4 Qg6 4.O-O
C41 Philidor Defense; C41 1.e4 e5 2.Nf3 d6
C41 Lopez Counter-Gambit, Philidor 1.e4 e5 2.Nf3 d6 3.Bc4 f5
C41 Philidor Gambit 1.e4 e5 2.Nf3 d6 3.d4 Bd7
C41 Alapin-Blackburne Gambit, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Bg4 4.dxe5 Nd7
C41 Exchange Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4
C41 Morphy Gambit, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Bc4
C41 Bird Gambit, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.c3
C41 Paulsen Attack, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 d5 5.exd5
C41 Larsen Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6
C41 Boden Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Bd7
C41 Philidor Counter Attack 1.e4 e5 2.Nf3 d6 3.d4 f5
C41 Zukertort Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 f5 4.Nc3
C41 Hanham; Lord Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7
C41 Delmar Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.c3
C41 Schlechter Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Nc3
C41 Krause Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O
C41 Steiner Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5
C41 Sharp Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 Nb6
C41 Lion Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Nf6
C41 Jaenisch Counter-Attack, Philidor; Nimzovich Variation 1.e4 e5 2.Nf3 d6 3.d4 Nf6
C41 Klein Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Bc4
C41 Sokolsky Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Nbd2
C41 Rellstab Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5
C41 Larobok Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7
C41 Locock Variation, Philidor 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Ng5 h6 5.Nxf7
C42 Petroff Defense; Russian Defense; C42 1.e4 e5 2.Nf3 Nf6
C42 Urosov Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Bc4
C42 Boden-Kieseritzky Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3
C42 Lichtenhein Defense, Petroff 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 d5
C42 Russian Three Knights Var, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nc3
C42 Paulsen Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4
C42 Karklins-Martinovsky Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nd3
C42 Millenium Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bd3
C42 Kaufmann Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4
C42 French Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3
C42 Classical Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4
C42 Marshall Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6
C42 Tarrasch Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 Bg4
C42 Staunton Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 c6
C42 Jaenisch Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.c4
C42 Browne Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.c4 Nb4 9.cxd5
C42 Chigorin Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1
C42 Berger Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bg4 9.c3 f5 10.Nbd2
C42 Mason Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O O-O
C42 Mason-Showalter Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6
C42 Nimzovich Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3
C42 Lasker Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2
C42 Cozio (Lasker) Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2
C42 Cochrane Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7
C42 Stafford Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6
C42 Damiano Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4
C42 Kholmov Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 4.Qe2 Qe7
C42 Moody Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Qe2 Nc6 4.d4
C43 Modern Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4
C43 Symmetrical Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 d5
C43 Suchting Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.Bc4
C43 Tal Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Bb5
C43 Center Attack, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4
C43 Trifunovic Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Bxe5
C43 Murret Variation, Petroff 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 Nc6
C43 Steinitz Variation, Petoff; C43 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.d4
C43 Urusov Gambit, Petroff 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.d4 exd4 4.Bc4
C44 C44 1.e4 e5 2.Nf3 Nc6
C44 Paschman Wing Gambit 1.e4 e5 2.Nf3 Nc6 3.b4
C44 Taylor Opening; Inverted Hungarian 1.e4 e5 2.Nf3 Nc6 3.Be2
C44 Inverted Hanham Opening 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2
C44 Basman Gambit 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 exd4 5.e5
C44 Ponziani; Staunton; English Knights 1.e4 e5 2.Nf3 Nc6 3.c3
C44 Spanish Variation, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5
C44 Nikitin Gambit, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5 dxe4 5.Nxe5 Qd5 6.Qa4
C44 Caro Variation, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Bd7
C44 Steinitz Variation, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 f6
C44 Leonhardt Variation, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Nf6
C44 Ponziani Counter-Gambit 1.e4 e5 2.Nf3 Nc6 3.c3 f5
C44 Schmidt Attack, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5
C44 Jaenisch Counterattack, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6
C44 Neumann Gambit, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.Bc4
C44 Breyer Opening, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 Be7 5.b4
C44 Vukovic Gambit, Ponziani 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 Nxe4 5.d5 Bc5
C44 Dresden Opening 1.e4 e5 2.Nf3 Nc6 3.c4
C44 Scotch Game 1.e4 e5 2.Nf3 Nc6 3.d4
C44 MacLopez; Relfsson Gambit, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5
C44 Scotch Gambit 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4
C44 London Defense, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+
C44 Vitzhum Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5
C44 Paulsen; Anderssen C-A, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.O-O d6 6.c3 Bg4
C44 Benima Defense, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7
C44 Goering Gambit, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3
C44 Goering Gambit Declined, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 d5
C44 Double Pawn Sacrifice, Goering Gambit 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4
C44 Bardeleben Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4 6.Bc4 Nf6
C44 Lolli Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4
C44 Napoleon Gambit, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxd4 exd4 5.Bc4
C44 Konstantinopolsky Opening 1.e4 e5 2.Nf3 Nc6 3.g3
C44 Chicago; Irish; Schulze-Muller Gambit 1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4
C45 C45 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4
C45 Malaniuk Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bb4+
C45 Classical Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5
C45 Gunsberg Defense, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 Nd8
C45 Fleissig; Meitner Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Nc2
C45 Blackburne Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2
C45 Millennium Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Qg6
C45 Blumenfeld Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.Nb5
C45 Potter Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3
C45 Romanishin Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb4+
C45 Geller Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.Nc3 Nf6
C45 Intermezzo Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nxc6 Qf6
C45 Alekhine Gambit, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.e5
C45 Schmidt Var; Scotch Four Knights 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3
C45 Mieses Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6
C45 Tartakower Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Nd2
C45 Steinitz; Pulling Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4
C45 Braune Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Be3
C45 Horwitz Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5
C45 Steinitz Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3
C45 Modern Defesne, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 Bb4
C45 Fraser Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf3
C45 Paulsen Variation, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf5
C45` Paulsen Attack, Scotch 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5
C46 Three Knights Opening; C46 1.e4 e5 2.Nf3 Nc6 3.Nc3
C46 Schlechter Variation, Three Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6
C46 Winawer Defense, Three Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 f5
C46 Steinitz Defense, Three Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6
C46 Rosenthal Variation, Three Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5
C46 Italian Variation, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4
C46 Halloween Gambit, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5
C47 Four Knights Openng; C47 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6
C47 Gunsberg Variation, Four Kngiths 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3
C47 Provincial Opening, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3 d6 5.h3
C47 Noa Gambit, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4 Nxe4 5.Bxf7+
C47 Bogoljubow (Scotch) Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4
C47 Oxford Gambit, Four Kngihts 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.d5 Nd4
C47 Krause Gambit, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5
C47 Leonhardt Defense, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 Qe7
C47 Belgrade Gambit, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5
C47 Schmid Gambit, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Nxe4
C48 Spanish Four Knights Game; C48 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5
C48 Ranken Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6
C48 Classical Variation, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5
C48 Marshall Gambit, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.Nxe5 Nd4 6.Ba4 O-O
C48 Rubinstein Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4
C49 Double Ruy Lopez Opening, 4 Knights; C49 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4
C49 Paulsen Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Bxc6
C49 Svenonius Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d5
C49 Janowski Variation, Four Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d6 8.Re1
C49 Symmetrical Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6
C49 Bernstein Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Ne7
C49 Metger Unpin Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 9.Re1 Nd8
C49 Pillsbury Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Ne7
C49 Maroczy Variation, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2
C49 Blackburne Attack, 4 Knights 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Nd5 Bc5 7.d4
C50 Italian Game; C50 1.e4 e5 2.Nf3 Nc6 3.Bc4
C50 Giuoco Piano; Italian Opening 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
C50 Jerome Gambit; Kentucky Opening 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+
C50 Giuoco Pianissimo 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3
C50 Lucchini Gambit; Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 f5
C50 Italian Four Knights Variation 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3
C50 Canal Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 d6 6.Bg5
C50 Rosentreter Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d4
C50 Italian Variation, Four Knights Game 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6
C50 Deutz Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.d4
C50 Hungarian Defense 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7
C50 Tartakower Variation, Hungarian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 5.c3 Nf6 6.e4 Ne4
C50 Half Giuoco Piano; Semi-Italian Opening 1.e4 e5 2.Nf3 Nc6 3.Bc4 d6
C50 Rousseau Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 f5
C50 Shilling (Kostic) Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4
C51 Evans Gambit; C51 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4
C51 Lange Variation, Evans Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6
C51 Evans Gambit Accepted 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4
C51 Normal Position, Evans Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6
C51 Ulvestad Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2
C51 Paulsen Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 Ne7
C51 Morphy Attack, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3
C51 Fraser Attack; Mortimer, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4
C51 Goering Attack, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5
C51 Stone-Ware Defense, Evans Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6
C51 Anderssen Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7
C51 Cordel Line, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5
C51 Hein Countergambit, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 d5
C52 Main Line, Evans Gambit; C52 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5
C52 Leonhardt Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 b5
C52 Sokolsky Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Bg5
C52 Lasker Defense, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.O-O Bb6
C52 Tartakower Attack, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3
C52 Pierce Defense, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4
C52 Schulen Defense, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O b5
C52 Waller Attack, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O d6 8.Qb3
C52 Compromised Defense, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O dxc3
C52 Mieses Defense, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O Nge7
C52 Slow Variation, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O
C52 Richardson Attack, Evans 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O Nf6 7.d4 O-O 8.Nxe5
C53 Classical Variation, Italian; C53 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3
C53 Labourdonnais Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 d6 5.d4 exd4 6.cxd4 Bb6
C53 Alexandre Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 f5
C53 Giuoco Pianissimo 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3
C53 Center Attack, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4
C53 Grevo Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4
C53 Albin Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.O-O
C53 Lewis Defense, Italian; Closed Variation 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7
C53 Center Holding Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6
C53 Mestel Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.Bg5
C54 C54 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6
C54 Bird Attack, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4
C54 Cracow Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1
C54 Moeller (Therkatz) Attack, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.O-O Bxc3 9.d5
C54 Therkatz-Herzog, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.O-O Bxc3 9.d5 Bf6 10.Re1 Ne7
C54 Greco Variation, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.O-O Nxc3
C54 Mason Gambit, Italian 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.O-O
C55 Two Knights Defense; C55 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
C55 De Riviere Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.c3
C55 Modern Bishop's Opening 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3
C56 Open Variation, Two Knights Defense; C56 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4
C56 Perreux Variation, Two Knights Defense 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Ng5
C56 Scotch Gambit 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O
C56 Max Lange Attack 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5
C56 Loman Defense, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 g6
C56 Marshall Variation, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be7 9.Ng5 Qd5 10.Nc3 Qf5
C56 Double Gambit Accepted, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4
C56 Nachmanson Gambit, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Nc3
C56 Jordansky Attack, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Ne4 Be6 10.Bg5
C57 Prussian Game; Knight Attack, Two Knights; C57 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5
C57 Traxler; Wilkes-Barre Var, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5
C57 Trencianske-Teplice Gambit, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Bxf7+ Ke7 6.d4
C57 Ulvestad Variation, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5
C57 Kurkin Gambit, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 6.Bf1 h6 7.Nxf7
C57 Kloss Gambit, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nb4
C57 Fritz Variation, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4
C57 Berliner Variation, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 6.c3 b5 7.Bf1 Nxd5 8.Ne4 Qh4
C57 Lolli Attack, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4
C57 Fried Liver; Fegatello Attack, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7
C57 Ponziani-Steintz Gambit, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Nxe4
C58 Polerio Defense, Two Knights; C58 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5
C58 Bogoljubow Variation, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3
C58 Colman Variation, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8
C58 Kieseritzky; Morphy Var, 2 Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3
C58 Yankovich Variation, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4 9.dxc4 Bc5 10.Nfd2
C59 C59 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2
C59 Suhle Defense, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6
C59 Goering Variation, Two Knights 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nf3 e4 10.Ne5