 Lev Polugaevsky – Ľubomír Ftáčnik , Lucerne Olympiad 1982 : 1 . Nf3 Nf6 2 @.@  c4 c5 3 . Nc3 e6 4 @.@  g3 b6 5 . Bg2 Bb7 6 . 0 @-@ 0 Be7 7 @.@  d4 cxd4 8 . Qxd4 d6 9 . Rd1 a6 10 @.@  b3 Nbd7 11 @.@  e4 Qb8 12 . Bb2 0 @-@ 0 Suba wrote of a similar Hedgehog position , " White 's position looks ideal . That 's the naked truth about it , but the ' ideal ' has by definition one drawback — it cannot be improved . " 13 . Nd2 Rd8 14 @.@  a4 Qc7 15 . Qe3 Rac8 16 . Qe2 Ne5 17 @.@  h3 ? According to Ftáčnik , 17.f4 Neg4 18.Rf1 is better. h5 ! 18 @.@  f4 Ng6 19 . Nf3 Now Black breaks open the position in typical Hedgehog fashion. d5 ! 20 @.@  cxd5 ? ! Ftáčnik considers 20.e5 or 20.exd5 preferable. h4 ! 21 . Nxh4 Nxh4 22 @.@  gxh4 Qxf4 23 @.@  dxe6 fxe6 24 @.@  e5 ? Ftáčnik recommends instead 24.Rxd8 Rxd8 25.Rd1. Bc5 + 25 . Kh1 Nh5 ! 26 . Qxh5 Qg3 27 . Nd5 Other moves get mated immediately : 27.Bxb7 Qh3 # ; 27.Qe2 Qxh3 # ; 27.Qg4 Bxg2 # . Rxd5 28 . Rf1 Qxg2 + ! 29 . Kxg2 Rd2 + If 30.Kg3 ( the only legal response to the double check ) , Rg2 + 31.Kf4 Rf8 + forces mate . 0 – 1 
