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List of all 400 legal openings in 2 plies (by # of master games)

  • #61

    Solkolsky: Indian is now #63 while Mieses: QP jumped at place #62.

  • #62

    Current status: 64 openings with 250+ master games. settings.png

  • #63

    #65 Réti: Slav 1. Nf3 c6 is added.

  • #64

    #66 is Reversed Nimzo 1. Nc3 e5.

  • #65

    'acute' responses four ?

  • #66
    0sumPuzzlerDtoWL wrote:

    'acute' responses four ?

     

    It's defined here:

    https://www.chess.com/forum/view/chess-openings/acuteness-of-openings

  • #67

     Ah, so moves that would be annotated with a square 'ffwere "legal move" replaced with "sound move"[ i.e. maintains theoretical result of round's score].  I wonder if acute'ly forcible scenarios particularly for several turns by both sides tend to be more drawing than overtly obtuse ie nothreatening/quiescent positions 

  • #68
    0sumPuzzlerDtoWL wrote:

     Ah, so moves that would be annotated with a square 'ffwere "legal move" replaced with "sound move"[ i.e. maintains theoretical result of round's score].  I wonder if acute'ly forcible scenarios particularly for several turns by both sides tend to be more drawing than overtly obtuse ie nothreatening/quiescent positions 

     

    The acuteness often appears in gambits, exchanges but not necessarily. In my thread about acuteness U can see an old example, called Immortal Draw, consisting exclusively in 1-acute moves. blitz.pngwink.png

  • #69

    #67 NLA: Symmetrical 1. b3 b6 is added. settings.png

  • #70

    #68 van't Kruijs: Indian 1. e3 Nf6 is added. settings.png

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