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Chessy the knight

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Openings & Plans

Sicilian Defense

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Openings & Plans

Openings & Plans

Main lines · structural plans · key ideas

598 lessons

Accelerated Dragon

Alekhine Defense

Alekhine Defense: Brooklyn Variation

Alekhine Defense: Krejcik Variation

Alekhine Defense: Maróczy Variation

Alekhine Defense: Mokele Mbembe

Alekhine Defense: Mokele Mbembe, Vavra Defense

Alekhine Defense: Normal Variation

Alekhine Defense: Scandinavian Variation

Alekhine Defense: Sämisch Attack

Alekhine Defense: The Squirrel

Alekhine Defense: Two Pawns Attack

Amazon Attack: Siberian Attack

Anderssen's Opening

Australian Defense

Barnes Opening: Hammerschlag

Barnes Opening: Walkerling

Benoni Defense: Benoni-Indian Defense

Benoni Defense: Benoni-Indian Defense, Kingside Move Order

Benoni Defense: Czech Benoni Defense

Benoni Defense: French Benoni

Benoni Defense: Hromádka System

Benoni Defense: Modern Variation

Benoni Defense: Old Benoni

Benoni Defense: Old Benoni, Mujannah Formation

Benoni Defense: Semi-Benoni

Benoni Defense: Weenink Variation

Bird Opening: Double Duck Formation

Bird Opening: Dutch Variation

Bird Opening: Lasker Variation

Bishop's Opening

Bishop's Opening: Berlin Defense

Bishop's Opening: Boi Variation

Bishop's Opening: Paulsen Defense

Bishop's Opening: Philidor Counterattack

Bishop's Opening: Philidor Variation

Bogo-Indian Defense

Bongcloud Attack

Caro-Kann Advance

Caro-Kann Classical

Caro-Kann Defense

Caro-Kann Defense: Accelerated Panov Attack

Caro-Kann Defense: Accelerated Panov Attack, Open Variation

Caro-Kann Defense: Advance Variation

Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense

Caro-Kann Defense: Breyer Variation

Caro-Kann Defense: Campomanes Attack

Caro-Kann Defense: Endgame Offer

Caro-Kann Defense: Euwe Attack

Caro-Kann Defense: Exchange Variation

Caro-Kann Defense: Goldman Variation

Caro-Kann Defense: Gurgenidze System

Caro-Kann Defense: Hillbilly Attack

Caro-Kann Defense: Maróczy Variation

Caro-Kann Defense: Masi Variation

Caro-Kann Defense: Modern Variation

Caro-Kann Defense: Two Knights Attack

Caro-Kann Defense: Two Knights Attack, Mindeno Variation

Caro-Kann: Exchange Variation

Caro-Kann: Panov Attack

Catalan Opening

Catalan: Closed Defense

Catalan: Open Defense

Center Game Accepted

Center Game: Kieseritzky Variation

Center Game: Normal Variation

Chigorin Defense

Clemenz Opening

Creepy Crawly Formation: Classical Defense

Dutch Defense: Alapin Variation

Dutch Defense: Classical Variation

Dutch Defense: Fianchetto Attack

Dutch Defense: Fianchetto Variation

Dutch Defense: Hopton Attack

Dutch Defense: Korchnoi Attack

Dutch Defense: Normal Variation

Dutch Defense: Queen's Knight Variation

Dutch Defense: Raphael Variation

Dutch Defense: Rubinstein Variation

Dutch Defense: Semi-Leningrad Variation

Dutch Stonewall

East Indian Defense

English Defense

English Opening

English Opening: Agincourt Defense

English Opening: Agincourt Defense, Kurajica Defense

English Opening: Anglo-Dutch Defense

English Opening: Anglo-Grünfeld Defense

English Opening: Anglo-Indian Defense

English Opening: Anglo-Indian Defense, Hedgehog System

English Opening: Anglo-Indian Defense, King's Indian Formation

English Opening: Anglo-Indian Defense, King's Knight Variation

English Opening: Anglo-Indian Defense, Nimzo-English

English Opening: Anglo-Indian Defense, Old Indian Formation

English Opening: Anglo-Indian Defense, Queen's Indian Formation

English Opening: Anglo-Indian Defense, Queen's Knight Variation

English Opening: Anglo-Indian Defense, Scandinavian Defense

English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation

English Opening: Anglo-Lithuanian Variation

English Opening: Anglo-Scandinavian Defense

English Opening: Anglo-Scandinavian Defense, Malvinas Variation

English Opening: Carls-Bremen System

English Opening: Caro-Kann Defensive System

English Opening: Great Snake Variation

English Opening: King's English Variation

English Opening: King's English Variation, Four Knights Variation

English Opening: King's English Variation, Keres Defense

English Opening: King's English Variation, Kramnik-Shirov Counterattack

English Opening: King's English Variation, Nimzowitsch Variation

English Opening: King's English Variation, Nimzowitsch-Flohr Variation

English Opening: King's English Variation, Reversed Closed Sicilian

English Opening: King's English Variation, Reversed Sicilian

English Opening: King's English Variation, Three Knights System

English Opening: King's English Variation, Two Knights Variation

English Opening: King's English Variation, Two Knights Variation, Fianchetto Line

English Opening: King's English Variation, Two Knights Variation, Keres Variation

English Opening: King's English Variation, Two Knights Variation, Reversed Dragon

English Opening: King's English Variation, Two Knights Variation, Smyslov System

English Opening: Mikenas-Carls Variation

English Opening: Mikenas-Carls, Sicilian

English Opening: Myers Defense

English Opening: Neo-Catalan

English Opening: Symmetrical Variation

English Opening: Symmetrical Variation, Anti-Benoni Variation

English Opening: Symmetrical Variation, Fianchetto Variation

English Opening: Symmetrical Variation, Four Knights Variation

English Opening: Symmetrical Variation, Normal Variation

English Opening: Symmetrical Variation, Three Knights Variation

English Opening: Symmetrical Variation, Two Knights Variation

English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation

English Opening: The Whale

English Orangutan

English: Four Knights

English: King's Indian

English: Symmetrical

Four Knights Game

French Classical

French Defense: Advance Variation

French Defense: Advance Variation, Extended Bishop Swap

French Defense: Bird Invitation

French Defense: Chigorin Variation

French Defense: Classical Variation

French Defense: Exchange Variation

French Defense: Franco-Sicilian Defense

French Defense: Hecht-Reefschläger Variation

French Defense: Horwitz Attack

French Defense: King's Indian Attack

French Defense: Knight Variation

French Defense: La Bourdonnais Variation

French Defense: Mediterranean Defense

French Defense: Normal Variation

French Defense: Paulsen Variation

French Defense: Pelikan Variation

French Defense: Queen's Knight

French Defense: Rubinstein Variation

French Defense: Réti-Spielmann Attack

French Defense: Schlechter Variation

French Defense: St. George Defense

French Defense: St. George Defense, Three Pawn Attack

French Defense: Steiner Variation

French Defense: Steinitz Attack

French Defense: Tarrasch Variation

French Defense: Tarrasch Variation, Closed Variation

French Defense: Tarrasch Variation, Guimard Defense

French Defense: Tarrasch Variation, Modern System

French Defense: Tarrasch Variation, Morozevich Variation

French Defense: Tarrasch Variation, Open System

French Defense: Two Knights Variation

French Defense: Winawer Variation

French Exchange

French: Rubinstein Variation

French: Tarrasch Variation

Fried Fox Defense

Giuoco Pianissimo

Goldsmith Defense

Grob Opening: Double Grob

Grob Opening: Keene Defense

Grob Opening: Spike Attack

Grob Opening: Spike, Hurst Attack

Grünfeld Defense

Grünfeld Defense

Grünfeld: Exchange Variation

Grünfeld: Russian System

Gunderam Defense

Hippopotamus Defense

Horwitz Defense

Hungarian Opening

Hungarian Opening: Catalan Formation

Hungarian Opening: Dutch Defense

Hungarian Opening: Indian Defense

Hungarian Opening: Reversed Alekhine

Hungarian Opening: Reversed Modern Defense

Hungarian Opening: Sicilian Invitation

Hungarian Opening: Slav Formation

Hungarian Opening: Symmetrical Variation

Indian Defense: Accelerated London System

Indian Defense: Anti-Grünfeld, Advance Variation

Indian Defense: Anti-Grünfeld, Alekhine Variation

Indian Defense: Anti-Nimzo-Indian

Indian Defense: Budapest Defense, Fajarowicz Variation

Indian Defense: Czech-Indian

Indian Defense: Knights Variation

Indian Defense: London System

Indian Defense: Normal Variation

Indian Defense: Pawn Push Variation

Indian Defense: Przepiorka Variation

Indian Defense: Pseudo-Benko

Indian Defense: Reversed Chigorin Defense

Indian Defense: Seirawan Attack

Indian Defense: Spielmann-Indian

Indian Defense: Tartakower Attack

Indian Defense: Wade-Tartakower Defense

Indian Defense: West Indian Defense

Italian Game: Anti-Fried Liver Defense

Italian Game: Giuoco Piano

Italian Game: Hungarian Defense

Italian Game: Paris Defense

Italian Game: Two Knights Defense

Italian: Four Knights

Kangaroo Defense

Kangaroo Defense: Keres Defense, Transpositional Variation

King's Gambit Declined

King's Indian Attack

King's Indian Attack, with e6

King's Indian Attack: Double Fianchetto

King's Indian Attack: French Variation

King's Indian Attack: Keres Variation

King's Indian Attack: Sicilian Variation

King's Indian Attack: Symmetrical Defense

King's Indian Defense

King's Indian Defense: Fianchetto Variation, Immediate Fianchetto

King's Indian Defense: Normal Variation, King's Knight Variation

King's Indian: Averbakh

King's Indian: Classical

King's Indian: Four Pawns Attack

King's Indian: Samisch

King's Knight Opening

King's Knight Opening: Konstantinopolsky

King's Knight Opening: Normal Variation

King's Pawn Game

King's Pawn Game: Alapin Opening

King's Pawn Game: Damiano Defense

King's Pawn Game: Dresden Opening

King's Pawn Game: King's Head Opening

King's Pawn Game: Leonardis Variation

King's Pawn Game: MacLeod Attack

King's Pawn Game: Maróczy Defense

King's Pawn Game: McConnell Defense

King's Pawn Game: Mengarini's Opening

King's Pawn Game: Napoleon Attack

King's Pawn Game: Tayler Opening

King's Pawn Game: Tortoise Opening

King's Pawn Game: Wayward Queen Attack

King's Pawn Opening

Lasker Simul Special

Lemming Defense

Lion Defense: Lion's Jaw

Mexican Defense

Mieses Opening: Reversed Rat

Mikenas Defense

Mikenas Defense: Cannstatter Variation

Mikenas Defense: Lithuanian Variation

Modern Defense: Bishop Attack

Modern Defense: Modern Pterodactyl

Modern Defense: Mongredien Defense, with Nc3

Modern Defense: Mongredien Defense, with Nf3

Modern Defense: Norwegian Defense

Modern Defense: Standard Defense

Modern Defense: Standard Line

Modern Defense: Three Pawns Attack

Montevideo Defense

Neo-Grünfeld Defense: with Nf3

Neo-Grünfeld Defense: with g3

Nimzo-Indian Defense

Nimzo-Indian: Classical

Nimzo-Indian: Leningrad

Nimzo-Indian: Rubinstein

Nimzo-Larsen Attack

Nimzo-Larsen Attack: Classical Variation

Nimzo-Larsen Attack: Dutch Variation

Nimzo-Larsen Attack: English Variation

Nimzo-Larsen Attack: Graz Attack

Nimzo-Larsen Attack: Indian Variation

Nimzo-Larsen Attack: Modern Variation

Nimzo-Larsen Attack: Polish Variation

Nimzo-Larsen Attack: Spike Variation

Nimzo-Larsen Attack: Symmetrical Variation

Nimzowitsch Defense

Nimzowitsch Defense: Breyer Variation

Nimzowitsch Defense: Declined Variation

Nimzowitsch Defense: El Columpio Defense

Nimzowitsch Defense: Franco-Nimzowitsch Variation

Nimzowitsch Defense: French Connection

Nimzowitsch Defense: Kennedy Variation

Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation

Nimzowitsch Defense: Mikenas Variation

Nimzowitsch Defense: Pirc Connection

Nimzowitsch Defense: Pseudo-Spanish Variation

Nimzowitsch Defense: Scandinavian Variation

Nimzowitsch Defense: Scandinavian Variation, Advance Variation

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Vehre Variation

Nimzowitsch Defense: Scandinavian Variation, Exchange Variation

Nimzowitsch Defense: Williams Variation

Nimzowitsch Defense: Woodchuck Variation

Old Indian Defense

Old Indian Defense: Czech Variation, with Nc3

Old Indian Defense: Czech Variation, with Nf3

Old Indian Defense: Janowski Variation

Old Indian Defense: Tartakower-Indian

Old Indian Defense: Ukrainian Variation

Owen Defense: Guatemala Defense

Paleface Attack

Petrov's Defense

Petrov's Defense: Damiano Variation

Petrov's Defense: Italian Variation

Petrov's Defense: Modern Attack

Petrov's Defense: Modern Attack, Symmetrical Variation

Petrov's Defense: Three Knights Game

Philidor Defense

Philidor Defense: Exchange Variation

Philidor Defense: Hanham Variation

Philidor Defense: Nimzowitsch Variation

Pirc: Austrian Attack

Pirc: Classical System

Polish Opening, with d5

Polish Opening: Baltic Defense

Polish Opening: Bugayev Advance Variation

Polish Opening: Bugayev Attack

Polish Opening: Czech Defense

Polish Opening: Dutch Defense

Polish Opening: Grigorian Variation

Polish Opening: King's Indian Variation

Polish Opening: King's Indian Variation, Schiffler Attack

Polish Opening: Outflank Variation

Polish Opening: Symmetrical Variation

Polish Opening: Zukertort System

Ponziani Opening

Ponziani Opening: Jaenisch Counterattack

Ponziani Opening: Romanishin Variation

Portuguese Opening

Pseudo Queen's Indian Defense

QGD: Exchange Variation

QGD: Orthodox Defense

QGD: Tartakower Defense

Queen's Gambit Accepted

Queen's Gambit Declined

Queen's Indian Accelerated

Queen's Indian Defense

Queen's Pawn Game

Queen's Pawn Game: Accelerated London System

Queen's Pawn Game: Anglo-Slav Opening

Queen's Pawn Game: Anti-Torre

Queen's Pawn Game: Chigorin Variation

Queen's Pawn Game: Chigorin Variation, Alburt Defense

Queen's Pawn Game: Chigorin Variation, Anti-Veresov

Queen's Pawn Game: Chigorin Variation, Fianchetto Defense

Queen's Pawn Game: Colle System

Queen's Pawn Game: Colle System, Anti-Colle

Queen's Pawn Game: Krause Variation

Queen's Pawn Game: Levitsky Attack

Queen's Pawn Game: London System

Queen's Pawn Game: London System, with e6

Queen's Pawn Game: Mason Attack

Queen's Pawn Game: Modern Defense

Queen's Pawn Game: Stonewall Attack

Queen's Pawn Game: Symmetrical Variation

Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan

Queen's Pawn Game: Torre Attack

Queen's Pawn Game: Torre Attack, Gossip Variation

Queen's Pawn Game: Torre Attack, Grünfeld Variation

Queen's Pawn Game: Veresov Attack, Dutch System

Queen's Pawn Game: Veresov, Richter Attack

Queen's Pawn Game: Zukertort Variation

Rapport-Jobava System

Rapport-Jobava System, with e6

Rat Defense: Accelerated Gurgenidze

Rat Defense: Antal Defense

Rat Defense: Balogh Defense

Rat Defense: English Rat

Rat Defense: Harmonist

Rat Defense: Small Center Defense

Richter-Veresov Attack

Richter-Veresov Attack: Boyce Defense

Rossolimo Variation

Ruy Lopez Closed

Ruy Lopez Exchange

Ruy Lopez: Alapin Defense

Ruy Lopez: Berlin Defense

Ruy Lopez: Bird Variation

Ruy Lopez: Classical Variation

Ruy Lopez: Cozio Defense

Ruy Lopez: Fianchetto Defense

Ruy Lopez: Lucena Variation

Ruy Lopez: Morphy Defense

Ruy Lopez: Nürnberg Variation

Ruy Lopez: Steinitz Defense

Ruy Lopez: Vinogradov Variation

Réti Opening: Advance Variation

Réti Opening: Anglo-Slav Variation, Bogoljubow Variation

Réti Opening: Anglo-Slav Variation, Gurevich System

Réti Opening: Réti Accepted

Saragossa Opening

Scandinavian Defense

Scandinavian Defense: Gubinsky-Melts Defense

Scandinavian Defense: Main Line

Scandinavian Defense: Marshall Variation

Scandinavian Defense: Mieses-Kotroc Variation

Scandinavian Defense: Modern Variation

Scandinavian Defense: Panov Transfer

Scandinavian Defense: Valencian Variation

Scandinavian Mainline

Scandinavian Modern

Scotch Game: Lolli Variation

Scotch: Classical Variation

Scotch: Steinitz Variation

Semi-Slav Defense

Semi-Slav Defense: Accelerated Move Order

Semi-Tarrasch Defense

Sicilian Classical

Sicilian Closed

Sicilian Defense

Sicilian Defense: Alapin Variation

Sicilian Defense: Alapin Variation, Barmen Defense

Sicilian Defense: Bowdler Attack

Sicilian Defense: Bücker Variation

Sicilian Defense: Closed

Sicilian Defense: Closed, Anti-Sveshnikov Variation

Sicilian Defense: Closed, Chameleon Variation

Sicilian Defense: Closed, Fianchetto Variation

Sicilian Defense: Closed, Korchnoi Defense

Sicilian Defense: Closed, Traditional

Sicilian Defense: Czerniak Attack

Sicilian Defense: Delayed Alapin Variation, with d6

Sicilian Defense: Delayed Alapin Variation, with e6

Sicilian Defense: Drazic Variation

Sicilian Defense: Franco-Sicilian Variation

Sicilian Defense: French Variation

Sicilian Defense: French Variation, Open

Sicilian Defense: French Variation, Westerinen Attack

Sicilian Defense: Grand Prix Attack

Sicilian Defense: Hyperaccelerated Dragon

Sicilian Defense: Hyperaccelerated Pterodactyl

Sicilian Defense: Jalalabad Variation

Sicilian Defense: Katalimov Variation

Sicilian Defense: Keres Variation

Sicilian Defense: Kopec System

Sicilian Defense: Kramnik Variation

Sicilian Defense: Kronberger Variation

Sicilian Defense: Lasker-Dunne Attack

Sicilian Defense: Marshall Counterattack

Sicilian Defense: McDonnell Attack

Sicilian Defense: McDonnell Attack, Toilet Variation

Sicilian Defense: Mengarini Variation

Sicilian Defense: Modern Variations

Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order

Sicilian Defense: Moscow Variation

Sicilian Defense: Moscow Variation, Main Line

Sicilian Defense: Myers Attack, with a4

Sicilian Defense: Myers Attack, with h4

Sicilian Defense: Nimzowitsch Variation

Sicilian Defense: Nimzowitsch Variation, Advance Variation

Sicilian Defense: Nimzowitsch Variation, Closed Variation

Sicilian Defense: Nyezhmetdinov-Rossolimo Attack

Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation

Sicilian Defense: O'Kelly Variation

Sicilian Defense: O'Kelly Variation, Maróczy Bind

Sicilian Defense: O'Kelly Variation, Maróczy Bind, Paulsen Line

Sicilian Defense: O'Kelly Variation, Normal System

Sicilian Defense: O'Kelly Variation, Quiet System

Sicilian Defense: O'Kelly Variation, Réti System

Sicilian Defense: O'Kelly Variation, Venice System

Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line

Sicilian Defense: O'Kelly Variation, Yerevan System

Sicilian Defense: Old Sicilian

Sicilian Defense: Open

Sicilian Defense: Quinteros Variation

Sicilian Defense: Staunton-Cochrane Variation

Sicilian Dragon

Sicilian Najdorf

Sicilian Scheveningen

Sicilian Sveshnikov

Sicilian Taimanov

Sicilian: Alapin Variation

Sicilian: Four Knights

Sicilian: Grand Prix Attack

Sicilian: Richter-Rauzer

Slav Defense: Exchange Variation

Slav Defense: Modern Line

Slav: Chebanenko Variation

Slav: Exchange Variation

Sokolsky Opening

St. George Defense

Stonewall Attack

Tarrasch Defense

Three Knights Opening

Three Knights Opening: Steinitz Defense

Three Knights Opening: Winawer Defense

Torre Attack: Classical Defense

Torre Attack: Classical Defense, Nimzowitsch Variation

Torre Attack: Fianchetto Defense

Trompowsky Attack

Trompowsky Attack: Borg Variation

Trompowsky Attack: Classical Defense

Trompowsky Attack: Classical Defense, Big Center Variation

Trompowsky Attack: Edge Variation

Trompowsky Attack: Raptor Variation

Two Knights Defense

Valencia Opening

Van Geet Opening

Van Geet Opening: Battambang Variation

Van Geet Opening: Grünfeld Defense

Van Geet Opening: Napoleon Attack

Van Geet Opening: Reversed Nimzowitsch

Van't Kruijs Opening

Vienna Game: Anderssen Defense

Vienna Game: Falkbeer Variation

Vienna Game: Frankenstein-Dracula Variation

Vienna Game: Max Lange Defense

Vienna Game: Mengarini Variation

Vienna Game: Mieses Variation

Vienna Game: Paulsen Variation

Vienna Game: Stanley Variation

Vienna Game: Stanley Variation, Reversed Spanish

Vienna Game: Stanley Variation, Three Knights Variation

Vienna: Frankenstein-Dracula

Vienna: King's Gambit

Ware Opening: Crab Variation

Ware Opening: Symmetric Variation

Yusupov-Rubinstein System

Zukertort Opening

Zukertort Opening: Arctic Defense

Zukertort Opening: Basman Defense

Zukertort Opening: Black Mustang Defense

Zukertort Opening: Dutch Variation

Zukertort Opening: Kingside Fianchetto

Zukertort Opening: Nimzo-Larsen Variation

Zukertort Opening: Old Indian Attack

Zukertort Opening: Pirc Invitation

Zukertort Opening: Polish Defense

Zukertort Opening: Queenside Fianchetto Variation

Zukertort Opening: Quiet System

Zukertort Opening: Reversed Mexican Defense

Zukertort Opening: Santasiere's Folly

Zukertort Opening: Sicilian Invitation

Zukertort Opening: Slav Invitation

Zukertort Opening: St. George Defense

Zukertort Opening: The Walrus

Zukertort Opening: Wade Defense

Zukertort Opening: Ware Defense

Gambits

Material sacrifices for rapid development

238 lessons

Alekhine Defense: Krejcik Variation, Krejcik Gambit

Alekhine Defense: O'Sullivan Gambit

Alekhine Defense: Scandinavian Variation, Geschev Gambit

Belgrade Gambit

Benoni Defense: Benoni Gambit Accepted

Benoni Defense: Benoni Gambit, Schlenker Defense

Benoni Defense: Cormorant Gambit

Bird Opening: Dutch Variation, Batavo Gambit

Bird Opening: From's Gambit

Bird Opening: Hobbs Gambit

Bird Opening: Schlechter Gambit

Bird Opening: Sturm Gambit

Bird Opening: Wagner-Zwitersch Gambit

Bird Opening: Williams Gambit

Bishop's Opening: Berlin Defense, Greco Gambit

Bishop's Opening: Calabrese Countergambit

Bishop's Opening: Calabrese Countergambit, Jaenisch Variation

Bishop's Opening: Khan Gambit

Bishop's Opening: Lewis Gambit

Bishop's Opening: Ponziani Gambit

Bishop's Opening: Stein Gambit

Blackburne Shilling Gambit

Blackmar-Diemer Gambit

Blackmar-Diemer Gambit: Blackmar Gambit

Blackmar-Diemer Gambit: Diemer-Rosenberg Attack

Blackmar-Diemer Gambit: Fritz Attack

Blackmar-Diemer Gambit: Lemberger Countergambit

Blackmar-Diemer Gambit: Netherlands Variation

Blackmar-Diemer Gambit: Reversed Albin Countergambit

Blackmar-Diemer Gambit: Zeller Defense

Borg Defense: Borg Gambit

Budapest: Fajarowicz

Center Game: Halasz-McDonnell Gambit

Center Game: Ross Gambit

Center Game: von der Lasa Gambit

Cochrane Gambit

Danish Gambit Accepted

Danish Gambit Declined: Sörensen Defense

Dutch Defense: Krejcik Gambit

Dutch Defense: Staunton Gambit

Dutch Defense: Staunton Gambit Accepted

Elephant Gambit

Elephant Gambit: Maróczy Gambit

Elephant Gambit: Paulsen Countergambit

English Opening: Anglo-Scandinavian Defense, Löhn Gambit

English Opening: Anglo-Scandinavian Defense, Schulz Gambit

English Opening: Jaenisch Gambit

Englund Gambit Declined

Englund Gambit Declined: Reversed Alekhine

Englund Gambit Declined: Reversed Brooklyn

Englund Gambit Declined: Reversed French

Englund Gambit Declined: Reversed Krebs

Englund Gambit Declined: Reversed Mokele Mbembe

Englund Gambit: Felbecker Gambit

Englund Gambit: Hartlaub-Charlick Gambit

Englund Gambit: Main Line

Englund Gambit: Mosquito Gambit

Englund Gambit: Soller Gambit

Englund Gambit: Soller Gambit Deferred

Englund Gambit: Zilbermints Gambit

Fajarowicz Gambit

French Defense: Alapin Gambit

French Defense: Diemer-Duhm Gambit

French Defense: Diemer-Duhm Gambit Accepted

French Defense: Franco-Hiva Gambit

French Defense: Franco-Hiva Gambit Accepted

French Defense: Horwitz Attack, Papa-Ticulat Gambit

French Defense: Knight Variation, Franco-Hiva Gambit

French Defense: La Bourdonnais Variation, Reuter Gambit

French Defense: Marshall Gambit

French Defense: Perseus Gambit

Grob Opening: Grob Gambit

Grob Opening: Grob Gambit Declined

Grob Opening: Grob Gambit, Fritz Gambit

Halloween Gambit

Indian Defense: Budapest Defense

Indian Defense: Gibbins-Weidenhagen Gambit

Indian Defense: Maddigan Gambit

Indian Defense: Omega Gambit

Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred

Italian Game: Blackburne-Kostić Gambit

Italian Game: Rousseau Gambit

King's Gambit Accepted

King's Gambit Accepted: Becker Defense

King's Gambit Accepted: Bishop's Gambit

King's Gambit Accepted: Bishop's Gambit, Anderssen Defense

King's Gambit Accepted: Bishop's Gambit, Cozio Defense

King's Gambit Accepted: Bishop's Gambit, Maurian Defense

King's Gambit Accepted: Bonsch-Osmolovsky Variation

King's Gambit Accepted: Cunningham Defense

King's Gambit Accepted: Fischer Defense

King's Gambit Accepted: King's Knight's Gambit

King's Gambit Accepted: MacLeod Defense

King's Gambit Accepted: Mason-Keres Gambit

King's Gambit Accepted: Modern Defense

King's Gambit Accepted: Schallopp Defense

King's Gambit Accepted: Villemson Gambit

King's Gambit Declined: Classical Variation

King's Gambit Declined: Falkbeer Countergambit

King's Gambit Declined: Falkbeer Countergambit Accepted

King's Gambit Declined: Falkbeer Countergambit, Blackburne Attack

King's Gambit Declined: Falkbeer Countergambit, Hinrichsen Gambit

King's Gambit Declined: Falkbeer Countergambit, Milner-Barry Variation

King's Gambit Declined: Falkbeer Countergambit, Modern Transfer

King's Gambit Declined: Falkbeer Countergambit, Nimzowitsch-Marshall Countergambit

King's Gambit Declined: Falkbeer Countergambit, Staunton Line

King's Gambit Declined: Keene Defense

King's Gambit Declined: Keene's Defense

King's Gambit Declined: Mafia Defense

King's Gambit Declined: Miles Defense

King's Gambit Declined: Norwalde Variation

King's Gambit Declined: Panteldakis Countergambit

King's Gambit Declined: Petrov's Defense

King's Gambit Declined: Queen's Knight Defense

King's Indian Attack: Omega-Delta Gambit

King's Pawn Game: Beyer Gambit

King's Pawn Game: Busch-Gass Gambit

King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit

King's Pawn Game: Clam Variation, King's Gambit Reversed

King's Pawn Game: Gunderam Gambit

King's Pawn Game: MacLeod Attack, Lasa Gambit

King's Pawn Game: Wayward Queen Attack, Kiddie Countergambit

Latvian Gambit Accepted

Latvian Gambit: Fraser Defense

Latvian Gambit: Mason Countergambit

Latvian Gambit: Mayet Attack

Latvian Gambit: Mayet Attack, Morgado Defense

Latvian Gambit: Mlotkowski Variation

Modern Defense: Lizard Defense, Mittenberger Gambit

Modern Defense: Wind Gambit

Nimzowitsch Defense: Colorado Countergambit

Nimzowitsch Defense: Colorado Countergambit Accepted

Nimzowitsch Defense: Kennedy Variation, de Smet Gambit

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit

Owen Defense: Smith Gambit

Petrov's Defense: Stafford Gambit

Philidor Defense: Lopez Countergambit

Philidor Defense: Philidor Countergambit

Pirc Defense: Roscher Gambit

Polish Opening: Birmingham Gambit

Ponziani Opening: Ponziani Countergambit

Queen's Gambit Accepted: Accelerated Mannheim Variation

Queen's Gambit Accepted: Alekhine Defense

Queen's Gambit Accepted: Central Variation, Alekhine System

Queen's Gambit Accepted: Central Variation, Greco Variation

Queen's Gambit Accepted: Central Variation, McDonnell Defense

Queen's Gambit Accepted: Central Variation, Modern Defense

Queen's Gambit Accepted: Central Variation, Rubinstein Defense

Queen's Gambit Accepted: Gunsberg Defense

Queen's Gambit Accepted: Normal Variation

Queen's Gambit Accepted: Old Variation

Queen's Gambit Accepted: Rosenthal Variation

Queen's Gambit Accepted: Saduleto Variation

Queen's Gambit Accepted: Slav Gambit

Queen's Gambit Declined: Alapin Variation

Queen's Gambit Declined: Albin Countergambit

Queen's Gambit Declined: Austrian Attack, Salvio Countergambit

Queen's Gambit Declined: Austrian Defense

Queen's Gambit Declined: Baltic Defense

Queen's Gambit Declined: Baltic Defense, Queen Attack

Queen's Gambit Declined: Charousek Variation

Queen's Gambit Declined: Chigorin Defense

Queen's Gambit Declined: Chigorin Defense, Exchange Variation

Queen's Gambit Declined: Chigorin Defense, Lazard Gambit

Queen's Gambit Declined: Chigorin Defense, Main Line

Queen's Gambit Declined: Chigorin Defense, Tartakower Gambit

Queen's Gambit Declined: Janowski Variation

Queen's Gambit Declined: Marshall Defense

Queen's Gambit Declined: Marshall Defense, Tan Gambit

Queen's Gambit Declined: Normal Defense

Queen's Gambit Declined: Queen's Knight Variation

Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted

Queen's Pawn Game: Chigorin Variation, Irish Gambit

Queen's Pawn Game: Chigorin Variation, Shaviliuk Gambit

Queen's Pawn Game: Hübsch Gambit

Rat Defense: English Rat, Lisbon Gambit

Rousseau Gambit

Ruy Lopez: Rotary-Albany Gambit

Ruy Lopez: Schliemann Defense

Ruy Lopez: Spanish Countergambit

Scandinavian Defense: Blackburne Gambit

Scandinavian Defense: Blackburne-Kloosterboer Gambit

Scandinavian Defense: Boehnke Gambit

Scandinavian Defense: Icelandic-Palme Gambit

Scandinavian Defense: Kloosterboer Gambit

Scandinavian Defense: Portuguese Gambit

Sicilian Defense: Alapin Variation, Anti-Alapin Gambit

Sicilian Defense: Halasz Gambit

Sicilian Defense: McDonnell Attack, Tal Gambit

Sicilian Defense: Morphy Gambit

Sicilian Defense: Polish Gambit

Sicilian Defense: Portsmouth Gambit

Sicilian Defense: Smith-Morra Gambit

Sicilian Defense: Smith-Morra Gambit Accepted

Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation

Sicilian Defense: Smith-Morra Gambit Declined, Center Formation

Sicilian Defense: Smith-Morra Gambit Declined, Push Variation

Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation

Sicilian Defense: Wing Gambit

Sicilian Defense: Wing Gambit Deferred

Sicilian Defense: Wing Gambit, Abrahams Variation

Sicilian Defense: Wing Gambit, Carlsbad Variation

Sicilian Defense: Wing Gambit, Deferred Variation

Sicilian Defense: Wing Gambit, Marshall Variation

Slav Defense: Diemer Gambit

Slav Defense: Winawer Countergambit

Stafford Gambit

Traxler Counterattack

Van Geet Opening: Dunst-Perrenet Gambit

Vienna Gambit, with Max Lange Defense

Vienna Game: Fyfe Gambit

Vienna Game: Omaha Gambit

Vienna Game: Vienna Gambit

Vienna Game: Vienna Gambit, Main Line

Zukertort Opening: Herrstrom Gambit

Zukertort Opening: Lemberger Gambit

Zukertort Opening: Lisitsyn Gambit

Zukertort Opening: Queen's Gambit Invitation

Zukertort Opening: Ross Gambit

Zukertort Opening: Tennison Gambit

Zukertort Opening: Vos Gambit

Anti-Openings

Beat specific openings as the defender

22 lessons

Alekhine Defense

Caro-Kann Defense

English Opening

Grünfeld Defense

King's Indian Defense

Nimzo-Indian Defense

Scandinavian Defense

Sicilian Defense

Sokolsky Opening

Trompowsky Attack

Tactics & Checkmates

Classic patterns every player must know

15 lessons

Anastasia's Mate

Checkmate with King and Queen

Checkmate with a Rook

Queen vs Rook Endgame

The Knight Fork

The Square Rule

Two Bishops Checkmate

Traps

Punish greedy or careless play

6 lessons

Blackburne Shilling Gambit Trap

Fried Liver Attack

Stafford Gambit Trap