[Event "6th ETCh final"]
[Site "Moscow URS"]
[Date "1977.??.??"]
[Round "7"]
[White "Nunn, John Denis Martin ENG"]
[Black "Hecht, Hans-Joachim GER"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2490"]
[ECO "C05"]
[EventDate "1977.04.13"]
[PlyCount "92"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Ngf3 c5 6.c3 Nc6 7.Bd3 cxd4 8.cxd4 
Nb6?! 9.a3 Bd7 10.b3 a5 11.Bb2 Be7 12.h4 a4 13.b4 Na7 14.Qe2 Rc8 15.h5 +/-
h6 
    ( 15...O-O )
16.O-O 
    ( 16.Rh3? Kf8 17.Rg3 Qe8 )
16...O-O 17.Rac1 Qe8? 
    ( 17...Rxc1 18.Rxc1 Qb8 19.Rc5! Bxc5 20.dxc5 Nbc8 ~ {Nunn} )
18.Rc5! +/- {Nunn} 18...Bxc5 19.dxc5 Na8 20.Nd4 Nc7 21.Bb1 Qe7 22.Qd3 f5 
23.exf6 gxf6 24.Re1 e5 25.Nf5 Bxf5 26.Qxf5 Rce8 27.Nf3 Nc6 28.Nh4 Ne6 29.
Ng6 Qf7 30.Qg4 Ng5 31.Nxf8 Qxf8 32.Bg6 Re7 33.b5 Nd8 34.Qxa4 Nde6 35.c6 
bxc6 36.bxc6 Nf4 37.Bc3? 
    ( 37.Bc1! Nxg6 38.Bxg5 hxg5 39.hxg6 Kg7 40.Qd1 Kxg6 41.Qxd5 +- {Nunn} 
    )
37...Nxg6? 
    ( 37...Qc8! 38.Qa5 
        ( 38.Qxf4!? exf4 39.Rxe7 {Nunn} )
    38...Kg7 39.Qc5 Rc7 40.Rxe5 Nxg6 41.hxg6 Rxc6 42.Qe7+ Kxg6 -+ )
38.hxg6 Qe8 39.f4 Ne4 40.Ba5? 
    ( 40.Rxe4! dxe4 41.Qc4+ Kg7 42.fxe5 fxe5 
        ( 42...f5!? )
    43.c7 Qc8 44.Bxe5+ Rxe5? 45.Qf7+ Kh8 46.Qh7# {Nunn} )
40...exf4 41.Qb5? = 
    ( 41.Qc2! +/- $142 {Nunn} )
41...f3 42.Qxd5+ Kg7 43.gxf3 Qxg6+ 44.Kf1 Qg3 45.fxe4 Qf3+ 46.Kg1 Qg3+ 
1/2-1/2

