    :        ,       ,      ,      .   - ,       .      .

    ,     :  ,              (inducing bluff).

  ,         .  ,   ,       50%,   .  ,         .

   ,   ,      -.        ,        (     )  ,   ,  ,    .

,        -   .      1-2 ,   .         10-20%,        . ,   ,      ,    ,  ,         -  .