CHESSBASE

Opening Encyclopaedia 2025

Magazine

Be well prepared with the new Opening Encyclopaedia 2025! Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product and is the ideal start for your opening training. Many new articles enrich the current theory with new or revisited ideas. The Encyclopaedia can help you learn openings quickly and give you a head start on your next opponent. Each article contains explanations and annotated games illustrating typical plans to deepen your understanding.

Buy now for 169.90€

or

Enter Serialnumber

Opening Trends - Intro

Queen's Gambit Declined

Early Deviations

Open Games 1.e4 e5

IM Robert Ris: Ruy Lopez - Delayed Exchange Variation

GM Felix Blohberger: Ruy Lopez - Anti-Berlin

GM Ivan Sokolov: Ruy Lopez - 3...a6 4.Ba4 Nge7 5.c3 f6

GM Mihail Marin: Ruy Lopez - Delayed Jänisch-Gambit

GM Mihail Marin: Ruy Lopez - Norwegian Defence

GM Kasimdzhanov: Ruy Lopez - Anti-Marshall 8.a4 b4 9.a5

IM Nico Zwirs: Italian with 6.Bg5

GM Mihail Marin: Evans Gambit

GM Rustam Kasimdzhanov: Scotch Four Knights 5...Nxe4

GM Daniel King: Scotch Gambit

GM Daniel King: Petroff - 3.Nxe5 Nxe4

GM Mihail Marin: Petroff - 3.Nxe5 d6

IM Nico Zwirs: Vienna Game

IM Robert Ris: Vienna Game 5.Qf3

Semi-Open Games (Part 1): Sicilian 1.e4 c5

GM Rustam Kasimdzhanov: 1.e4 c5 2.a4

GM Surya Ganguly: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Qxd4

GM Daniel King: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4

GM Jan Werle: Sveshnikov

GM Adrian Mikhalchishin: Sveshnikov

GM Fabien Libiszewski: Kalashnikov

GM Rustam Kasimdzhanov: Rossolimo 3.Bb5 Nf6

GM Daniel King: Rossolimo 3.Bb5 e5

GM Adrian Mikhalchishin: Maroczy

IM Nico Zwirs: Najdorf 6.Be3 e5 7.Nb3 Be6

GM Luis Engel: Najdorf - 5...e5 6.Bb5+

IM Nico Zwirs: Najdorf - 6.h3 e5 7.Nf3 Be7 8.g4 b5

GM Luis Engel: Najdorf - 6.Rg1 Part 1

GM Luis Engel: Najdorf - 6.Rg1 Part 2

IM Nico Zwirs: Najdorf - 6.Bg5

Semi-Open Games (Part 2): French/Caro-Kann and others

GM Mendonca: French Advance - 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6

GM Rustam Kasimdzhanov: French - Advance Variation

GM Felix Blohberger: French - 5.Nce2 - 10.b4!?

GM Kasimdzhanov: Classical French Steinitz 7...cxd4 8...Qb6

GM Leon Mendonca: Caro-Kann 6.N1e2

GM Christian Bauer: Caro-Kann with 3.d3

GM Werle: Caro-Kann - Advance 3...Bf5 4.c4 Carlsen's choice

GM Bauer: Scandinavian with 3...Qa5 - Opening Update

GM Bauer: Alekhine Defence Voronezh 4.c4 5.exd6 7.Be3/8.Rc1

Closed Games after 1.d4

GM Ivan Sokolov: Slav 4...dxc4 5.e4 b5 6.a4!?

GM Christian Bauer: Slav - Marshall Gambit

GM Adrian Mikhalchishin: Slav Exchange

GM Adrian Mikhalchishin: Slav - Anti-Meran

GM Adrian Mikhalchishin: Semi-Tarrasch#

GM Adrian Mikhalchishin: Semi-Tarrasch

GM Ivan Sokolov: Semi-Tarrasch 11.h4

GM Adrian Mikhalchishin: Queen's Gambit Accepted 1

GM Adrian Mikhalchishin: Queen's Gambit Accepted 2

GM Adrian Mikhalchishin: Queen's Gambit Accepted 3

GM Felix Blohberger: Anti-Queen's Gambit 3...h6

GM Daniel King: QGD Exchange 7...Bg4

GM Leon Mendonca: Queen's Gambit Declined 4...Nbd7 5.cxd5

GM Sipke Ernst: Queen's Gambit - Ragozin

GM Mihail Marin: Queen's Pawn Game 3.e3

IM Nico Zwirs: Catalan with 7.h4

GM Sokolov: Catalan pawn sac 9.Qc2 - Gukesh vs. Aryan

GM Mihail Marin: Open Catalan

GM Daniel King: London System à la Ding und Kamsky

GM Christian Bauer: Anti-London System 5...Nh5

Semi-Closed Games after 1.d4

IM Nico Zwirs: King's Indian - Fianchetto Variation

GM Mihail Marin: King's Indian - Fianchetto Variation

GM Jan Werle: Classical King's Indian 7...Nbd7

GM Adrian Mikhalchishin: King's Indian

GM Leon Mendonca: King's Indian 6...Bg4

GM Marin: King's Indian Averbakh 5.Be2 with 6.h4

GM Sipke Ernst: 3.h4 against the Grünfeld

GM Mihail Marin: Bogo-Indian 4.Nbd2 d5

GM Adrian Mikhalchishin: Bogo-Indian

GM Adrian Mikhalchishin: Queen's Indian 4...Ba6 5.g3 b5

GM Werle: Nimzo-Indian 4.f3 d5 5.a3 Be7 6.e4 dxe4 7.fxe4 c5

GM Luis Engel: Nimzo-Indian 5.Bd2

GM Jan Werle: Nimzo-Indian 4.e3 c5 5.Nf3 d6 6.Bd3 Bxc3+ bxc3

GM Mihail Marin: Saemisch Benoni with 6.Bg5 c5 7.d5

GM David Navara: Saemisch Benoni with 7.Bg5

GM Marin: Benoni with 7.h3 inspirations from GM Indjic

GM Daniel King: Englund Gambit

Reti; English Opening 1.c4 and Nimzo-Larsen Attack

GM Blohberger: 1Nf3 d5 2g3 Nf6 3Bg2 e6 40-0 Be7 5c4 0-0 6b3

GM Blohberger: 1.c4 e6 2.Nf3 d5 3.g3 d4 4.Bg2 Nc6 5.0-0 Nh6

IM Zwirs: 1Nf3 Nf6 2c4 c5 3g3 Nc6 4Bg2 d5 5cxd5 Nxd5 6Nc3

IM Zwirs: 1c4 c6 2.Nf3 d5 3.g3 g6 4.Qa4 Nf6 5.cxd5 Nxd5 6.h4

GM Blohberger: English 1.c4 e5 2.Nc3 Nf6 3.e3 Nc6 4.Qb3

GM King: English - 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 c6!?

GM Mihail Marin: English - 1.c4 e5 2.g3 c6 3.Nf3 e4 4.Nd4

GM Kasimdzhanov: English 4 Knights 1c4 e5 2Nc3 Nf6 3Nf3 Nc6

GM Mihail Marin: English - 1.c4 e5 2.g3 Nf6 3.Bg2 Bc5

GM Marin: Flohr-Mikenas Variation 1.c4 Nf6 2.Nc3 e6 3.e4 d5

GM King: Nimzo-Larsen Attack - 1.b3 e5 2.Bb2 Nc6 3.c4!?

GM Knaak: Vienna Game - Double invitation to the knight

GM Rainer Knaak: Italian - Hard to predict stunner move

GM Rainer Knaak: Ruy Lopez - The famous Tarrasch trap

GM Knaak: Alekhine Defense (Italian/Two Knights)

GM Knaak: Sicilian Wing Gambit - Fatal development lag

GM Rainer Knaak: Sicilian - Who actually sets the trap?

GM Rainer Knaak: Sicilian - Tempting double attack