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      Open games
    
      
        
                         Center opening
      
    
      
        
                          North gambit
      
    
      
        
                         King's gambit
      
    
      
        
                                 Bishop's gambit 
      
    
      
        
                                 Knight's gambit
      
    
      
        
                                 Polerio gambit
       
      
        
                                 Greco-Philidor gambit
      
    
      
        
                                 Allgaier gambit
       
      
        
                                 Kieseritzky gambit
      
    
      
                               
      
    
      
        
                         Declined King's gambit
      
    
      
        
                         Falkbeer Counter gambit
      
    
                              
    
      
                               
      
    
      
        
                         Bishop's opening 
      
    
      
        
                         Vienna game
      
    
      
                       
      
    
                              
    
      
        
                         King's knight opening
      
    
      
                                
      
    
      
                               
      
    
      
        
                         Latvian gambit
      
    
      
        
                         Philidor defense
      
    
      
                               
      
    
                              
    
      
        
                         Petrov defense
      
    
      
        
                                  
      
    
      
                               
      
    
      
        
                         Ponziani opening
      
    
      
                               
      
    
      
                               
      
    
      
        
                          Scottish game
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Scottish gambit 
      
    
      
                               
      
    
                              
    
      
        
                         Italian game
      
    
      
        
                                  
      
    
      
                               
      
    
      
        
                         Evans gambit
      
    
      
                               
      
    
      
                               
      
    
      
        
                          Hungarian game
      
    
      
                               
      
    
      
                               
      
    
      
        
                          Two Knights' game
      
    
      
                               
      
    
                              
    
      
        
                         Three Knights' game
      
    
      
                                
      
    
      
                               
      
    
      
        
                         Four Knights' game
      
    
      
        
                                  
      
    
      
                               
      
    
                      
      Ruy Lopez
    
      
        
                                 Defensive systems without the move 3...a6
      
    
                                      
      Cordel defense
    
      
        
                                         Bird deense
      
    
                                      
      Jaenisch gambit
    
      
        
                                         Berlin defense
      
    
                                      
      Steinitz defense
    
      
        
                                         Rare schemes
      
    
                              
      Defensive systems with 3...a6
    
      
        
                                         Exchange variation
      
    
                                      
      Variation 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5
    
      
        
                                         Moeller system
      
    
      
        
                                         The improved Steinitz defense
      
    
      
                       
      
      
        
                          Open variation
      
    
      
        
                                         Chigorin's systems
      
    
      
        
                                          Marshall counter attack
      
    
      
                               
      
    
      
        
                  Semi-opened games
       
      
        
                         Scandinavian game
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Alekhine defense
      
    
                              
    
      
                               
      
    
      
        
                         Nimzowich opening 
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Pirc - Ufimtsev defense
      
    
      
                               
      
    
                              
    
      
        
                         Caro - Kann defense
      
    
      
                                
      
    
      
                               
      
    
      
        
                         French defense
      
    
      
        
                  
                         Exchange variation
      
    
      
        
                                 Nimzowich variation 
      
    
      
        
                                 Tarrasch variation
      
    
      
        
                                 Rubinstein variation 
      
    
      
        
                                 Classic variation
      
    
      
        
                                 Winaver variation 
      
    
      
        
                                 Chigorin system
      
    
      
                               
      
    
      
        
                         Sicilian defense 
      
    
      
        
                                 Closed system
      
    
      
        
                                 Rubinstein variation
      
    
      
        
                                 Dragon variation
      
    
      
        
                                 Najdorf variation
      
    
      
        
                                 Boleslavsky system
      
    
      
        
                                 Rauser attack
      
    
      
        
                                 Sozin attack
      
    
                              
      Sceveningen variation
    
      
        
                                 Chelyabinsk variation
      
    
                              
      Paulsen system
    
      
                               
      
    
      
        
                  Closed games 
      
    
      
        
                         Accepted queen's gambit
      
    
      
                               
      
    
      
        
                                  
      
    
      
        
                         Declined queen's gambit
      
    
                              
      Orthodox defense
    
      
        
                                 Orthodox fianchetto
      
    
                              
      Tartakower-Makogonov-Bondarevsky system
    
      
        
                                 Capablanca system
      
    
                              
      Extended fianchetto
    
      
        
                                 Carlsbad variation
      
    
                              
      Exchange system
    
      
        
                                 Pillsbury defense
      
    
      
        
                                  Ragozin defense
      
    
      
        
                                 Vienna variation
      
    
      
        
                                  Tarrasch defense
      
    
      
        
                                 Semi-Tarrasch defense
      
    
      
        
                                  
      
    
      
        
                         Slav defense
      
    
      
        
                                 Exchange variation
      
    
      
        
                                  Slav gambit
      
    
      
        
                                 Chigorin system
      
    
      
        
                                 Meran variation
      
    
      
        
                                 Main system
      
    
                              
      Botvinnik system
    
      
                               
      
    
      
        
                          Catalan opening
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Chigorin defense 
      
    
      
                               
      
    
                              
    
      
        
                         Albin counter gambit
      
    
      
                                
      
    
      
                               
      
    
      
        
                         Queen's pawns' opening
      
    
      
        
                                  Veresov system
      
    
      
        
                                 Torre system
      
    
      
        
                         
                  Zukertort system
      
    
      
        
                                 Colle system 
      
    
      
        
                                 Blackmore-Diemer gambit
      
    
      
                               
      
    
      
        
                          Budapest gambit
      
    
      
                               
      
    
                              
    
      
        
                         Nimzo-Indian defense
      
    
      
        
                                  Saemisch system 4.a3
      
    
      
        
                                 Rubinstein system 4.e3
      
    
      
        
                                  Leningrad variation 4.Bg5
      
    
      
        
                                 Romanishin variation
      
    
      
        
                                  Classic system 4.Qc2
      
    
      
                               
      
    
      
        
                         Queen's Indian defense 
      
    
      
        
                                 Queen's Indian defense
      
    
      
        
                                 Petrosian system 
      
    
      
        
                                 Bogo-Indian defense
      
    
      
                               
      
    
      
        
                         King's Indian defense 
      
    
      
        
                                 Four pawns variation
      
    
      
        
                                 Saemisch variation
      
    
      
        
                                  White king's fianchetto
      
    
      
        
                                 Classic system
      
    
      
        
                                 Averbakh system
      
    
      
        
                                 Petrosian system
      
    
      
        
                                 Modern defense
      
    
      
        
                                 Closed system
      
    
      
                               
      
    
                      
      Benoni defense
    
      
        
                                 Classic system
      
    
      
        
                                  Modern Benoni
      
    
      
                               
      
    
      
        
                         Volga gambit
      
    
      
                                
      
    
      
                               
      
    
                      
      Gruenfeld defense
    
      
                               
      
    
      
        
                                  
      
    
      
        
                         Dutch defense
      
    
      
        
                                 Staunton gambit
      
    
      
        
                                  Iljin-Genevsky system
      
    
      
        
                                 Stone wall system
      
    
      
        
                                 Leningrad system
      
    
      
                               
      
    
      
        
                         Queen's pawn opening
      
    
      
        
                                 Trompowski attack
      
    
                              
      Torre attack
    
      
                               
      
    
      
        
                          Bird opening
      
    
      
        
                                 From gambit
      
    
      
        
                                 Dutch set-up for White 
      
    
      
        
                         King's Indian opening
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Reti opening
      
    
                              
    
      
                               
      
    
      
        
                         English opening 
      
    
      
                               
      
    
      
                               
      
    
      
        
                         Nimzowich - Larsen opening
      
    
      
                               
      
    
                              
    
      
        
                         Sokolsky opening