[Event "1st olw final A"]
[Site "Emmen NED"]
[Date "1957.09.11"]
[Round "1"]
[White "Ivanova, Antonia BUL"]
[Black "Altrichter, Ursula GDR"]
[Result "0-1"]
[ECO "E74"]
[EventDate "1957.09.02"]
[PlyCount "72"]

1.d4 c5 2.d5 d6 3.c4 Nf6 4.Nc3 g6 5.Bg5 Bg7 6.e4 O-O 7.Be2 Na6 8.Nf3 Nc7 
9.O-O Bg4 10.Nd2 Bxe2 11.Qxe2 Qd7 12.Rae1 Rab8 13.f4 h6 14.Bh4 Nh7 15.e5 
dxe5 16.fxe5 b5 17.Bg3 
    ( 17.Bxe7 $1 Qxe7 18.d6 Qd7 19.dxc7 Qxc7 20.Nxb5 $18 )
17...bxc4 18.Rxf7 
    ( 18.Nxc4 Nxd5 19.e6 $1 Nxc3 20.bxc3 fxe6 21.Bxb8 Rxb8 22.Qxe6+ Qxe6 
    23.Rxe6 $18 )
18...Rxf7 19.e6 Nxe6 20.dxe6 Qd4+ 21.Kh1 Rff8 22.Bxb8 Rxb8 23.Nxc4 Rb4 24.
Na5 Qd6 $1 
    ( 24...Rxb2 25.Qxb2 Qxc3 26.Qb8+ Nf8 27.Rf1 Qxa5 28.Qe8 Qc3 29.Rxf8+ 
    Bxf8 30.Qf7+ Kh8 31.Qxf8+ Kh7 32.Qxe7+ Qg7 33.Qxc5 Qa1+ 34.Qg1 Qxa2 
    $10 )
25.Rd1 Rd4 26.Rf1 Rd2 27.Qe4 Ng5 28.Qa8+ Qd8 29.Qxa7 $2 $19 
    ( 29.Qxd8+ Rxd8 30.Nc6 $10 )
29...Rxb2 30.Rd1 Rd2 31.Rb1 Bxc3 32.h4 Rd1+ 33.Rxd1 Qxd1+ 34.Kh2 Be5+ 35.
g3 Qe2+ 0-1

