Opening Classification :
ECCO D0x-D2x Classification Codes

The moves shown below are the moves required to generate the ECCO label. I have tried my best to translate them to English with official WXF nomenclature. A million thanks must be expressed to Mr Gerog Jeiter for helping me proof read them and informing me of the various corrections.

D) Same Direction Cannons and Opposite Direction Cannons (inclusive of halfway Opposite Direction Cannons )
 顺炮局和列炮局(包括半途列炮)   
      
http://www.xqbase.com/ecco/ecco_d.htm

D0x Same Direction Cannons ( Excluding Same Direction Cannons : red filed chariot variation )     
        顺炮局(不包括顺炮直车局)  
       ( sdc )
      
D00 Same Direction Cannons : Slow Chariot vs Others
        ( sdc : slow vs ??? )
        顺炮缓开车对其他     
        1.  C2=5     C8=5 
        2.    ...      ( EXCLUDING D01-D29 ) 

D01 Same Direction Cannons : Slow Chariot vs Ranked Chariot 
        ( sdc : slow vs rr )
        顺炮缓开车对横车        
        1.  C2=5     C8=5 
        2.  H2+3     H8+7
        3.    ...         R9+1    OR 
        1.  C2=5     C8=5 
        2.  H2+3     R9+1 
        3.    ...          ...      ( EXCLUDING D20-D29 )      

D02 Same Direction Cannons : Slow Chariot vs Filed Chariot 
        ( sdc : slow vs fr )
        顺炮缓开车对直车         
        1.  C2=5     C8=5 
        2.  H2+3     H8+7
        3.    ...         R9=8   

D03 Same Direction Cannons : Ranked vs Slow Chariot (Including SDC : rr vs rr)
        ( sdc : rr vs slow )
        顺炮横车对缓开车(包括顺炮顺横车)        
        1.  C2=5     C8=5 
        2.  R1+1        ...       OR
        1.  C2=5     C8=5 
        2.  H2+3     H8+7
        3.  R1+1        ... (EXCLUDING D04-D05)

D04 Same Direction Cannons : Ranked Chariot vs Filed Chariot (Others)
        ( sdc : rr vs fr )
        顺炮横车对直车(其他)         
        1.  C2=5     C8=5 
        2.  H2+3     H8+7  
        3.  R1+1     R9=8   ...       OR
        1.  C2=5     C8=5 
        2.  R1+1     H8+7
        3.    ...        R9=8 ( EXCLUDING D05 )   

D05 Same Direction Cannons : Ranked Chariot vs Filed Chariot with Riverbank chariot variation (Others)
        ( sdc : rr vs fr to rbr )
        顺炮横车对直车巡河           
        1.  C2=5     C8=5 
        2.  H2+3     H8+7  
        3.  R1+1     R9=8  
        4.   ...         R8+4      OR
        1.  C2=5     C8=5 
        2.  R1+1     H8+7
        3.    ...        R9=8
        4.   ...         R8+4

D06-D09 No Labels Yet

D1x Same Direction Cannons : Filed Chariot vs Slow Chariot     
        顺炮直车对缓开车    
       ( sdc : fr vs slow )
Basic Formation:
      1. C2 =5 C8=5  
      2. H2+3  H8+7
      3. R1=2  ...
All the other moves in the different variations continue from here.
      
D10 Same Direction Cannons : Filed Chariot vs Slow Chariot   
        ( sdc : fr vs slow )
        顺炮直车对缓开车(其他)        
        3.   ...         ...           ( EXCLUDING D11-D15 )

D11 Same Direction Cannons : Filed Chariot vs Slow Chariot with left ranked chariot   
        ( sdc : fr vs slow with lrr )
        顺炮直车对缓开车——黑左横车       
        n.   ...         R9+1 ( Black may move H2+3/P3+1/P7+1 before R9+1 )    

D12 Same Direction Cannons : Filed Chariot vs Slow Chariot with right ranked chariot   
        ( sdc : fr vs slow with rrr )
        顺炮直车对缓开车——黑右横车       
        n.   ...         R1+1 ( Black may move H2+3/P3+1/P7+1 before R1+1 )  

D13 Same Direction Cannons : Filed Chariot vs Slow Chariot with chariot exchange offer    
        ( sdc : fr vs slow with chariot exchange offer )
        顺炮直车对缓开车——黑兑直车       
        n.   ...         R9=8 ( Black may move H2+3/P3+1/P7+1 before R9=8 )     

D14 Same Direction Cannons : Filed Chariot vs Slow Chariot with Pawn Ranked Cannon variation    
        ( sdc : fr vs slow with prc)
        顺炮直车对缓开车——黑过河炮        
        n.   ...         C2+4 ( Black may move H2+3/P3+1/P7+1 before C2+4 )       

D15 Same Direction Cannons : Filed Chariot vs Slow Chariot with side cannon variation    
        ( sdc : fr vs slow with side c)
        顺炮直车对缓开车——黑边炮        
        n.   ...         C2=1 ( Black may move H2+3/P3+1/P7+1 before R1+1 )

D16-D19 No labels yet

D2x Same Direction Cannons : Filed Chariot vs Ranked Chariot     
        顺炮直车对横车    
       ( sdc : fr vs rr )
Basic Formation:
      1. C2 =5 C8=5                 1. C2=5   C8=5
      2. H2+3  H8+7     OR     2. H2+3   R9+1
      3. R1=2  R9+1                 3. R1=2   H8+7
All the other moves in the different variations continue from here.
      
D20 Same Direction Cannons : Filed Chariot (others) vs Ranked Chariot   
        ( sdc : fr vs rr )
        顺炮直车(其他)对横车         
        4.   ...         ...           ( EXCLUDING D21-D28 )

D21 Same Direction Cannons : Filed Chariot with early advisor vs Ranked Chariot   
        ( sdc : fr early a vs rr )
        顺炮直车对横车——红先上仕        
        4.  A4+5/A6+5   ...  

D22 Same Direction Cannons : Filed Chariot with Left Side Horse vs Ranked Chariot   
        ( sdc : fr lt side h vs rr )
       顺炮直车对横车——红左边马        
        4.  H8+9   ... 

D23 Same Direction Cannons : Filed Chariot with Riverbank Chariot vs Ranked Chariot   
        ( sdc : fr rbr vs rr )
       顺炮直车对横车——红巡河车        
        4.  R2+4   ...    OR
        4.  H8+7  ...
        5.  R2+4   

D24 Same Direction Cannons : Filed Chariot with Pawn Ranked Chariot vs Ranked Chariot   
        ( sdc : fr prr vs rr )
       顺炮直车对横车——红过河车        
        4.  R2+6   ...    OR
        4.  H8+7  ...
        5.  R2+6   

D25 Same Direction Cannons : Filed Chariot with Palcorner Cannon vs Ranked Chariot   
        ( sdc : fr pcc vs rr )
       顺炮直车对横车——红仕角炮         
        4.  C8=6 

D26 Same Direction Cannons : Filed Chariot with 3rd Pawn Advancement vs Ranked Chariot (Excluding Double headed snake pawn formation )  
        ( sdc : fr 3pa vs rr )
      顺炮直车对横车——红进三兵(不包括两头蛇)         
        4.  P3+1          OR
        4.  H8+7   ...
        5.  P3+1 ( EXCLUDING D28 )       

D27 Same Direction Cannons : Filed Chariot with 7th Pawn Advancement vs Ranked Chariot (Excluding Double headed snake pawn formation )  
        ( sdc : fr 7pa vs rr )
      顺炮直车对横车——红进七兵(不包括两头蛇)         
        4.  P7+1          OR
        4.  H8+7   ...
        5.  P7+1 ( EXCLUDING D28 )  

D28 Same Direction Cannons : Filed Chariot with Doubled Headed Snake Pawn Formation vs Ranked Chariot   
        ( sdc : fr 37pa vs rr )
      顺炮直车对横车——红两头蛇         
        m.  P3+1   ...  ,  n. P7+1   ....       OR  
        m.  P7+1   ...  ,  n. P3+1   .... ( Red may play H8+7 before moving the pawns, EXCLUDING D29 )

D29 Same Direction Cannons : Filed Chariot with Doubled Headed Snake Pawn Formation vs Double Ranked Chariot   
        ( sdc : fr 37pa vs 2rr )
      顺炮直车对横车——红两头蛇对黑双横车        
          l.  P3+1   ...  ,  m. P7+1   ....  , n.  ...     R1+1     OR  
          l.  P7+1   ...  ,  m. P3+1   ....  , n.  ...     R1+1     ( Red may play H8+7 and black may play H2+3/R9=4 in logical order before finishing the formation )

Click here to go back to the ECCO introductions page. 
Click here to go to the next page on ECCO codes.
First Created: Sometime in Nov 2011
Last updated: 28th Oct 2012
Acknowledgments:
1. Georg Jeiter from Germany has proofread this page and a few typing mistakes have been corrected. Thanks!
References:
1. the website whose url is given above

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