[Event "Alekhine asymmetrical exchange voronezh variation"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "alessandrini"]
[Black "alessandrini"]
[Result "*"]
[ECO "B03"]

1.e4 Cf6 2.e5 Cd5 3.d4 d6 4.exd6 cxd6 5.c4 Cb6 6.Cc3 g6 7.Ae3 
( 7.Cf3 Ag7 8.Ae3 O-O 9.h3 
( 9.Ae2?! Cc6 10.O-O 
( 10.b3 d5 11.c5 Cd7 12.Tc1 
( 12.b4 )
( 12.Tb1 )
12...Cxc5 13.dxc5 d4 14.Cxd4 Axd4 15.Dd2 Axe3 16.Dxe3 )
( 10.d5 Ca5 11.Ad4 Axd4 12.Dxd4 e5 13.dxe6 Axe6 )
10...Ag4 11.b3 d5 12.c5 Cc8 13.b4 Cxb4? 
( 13...e6 14.b5 Ca5 15.Ce5 Axe2 16.Dxe2 Ce7 )
14.Tb1 )
9...Cc6 10.Tc1 e5 11.dxe5 dxe5 12.Dxd8 Txd8 13.b3 
( 13.c5 e4 
( 13...Cd7 14.Cb5 )
14.cxb6 
( 14.Cxe4 Cd5 15.b3 Ccb4 
( 15...Cdb4 )
16.Ac4 Cxa2 17.Ag5 Cxc1 18.Axd8 Af5 )
14...exf3 15.gxf3 axb6 )
13...Af5 )
7...Ag7 8.Tc1 O-O 
( 8...Cc6 9.b3 O-O 10.d5 Ce5 11.Ae2 h5 12.Cf3 Cxf3+ 13.Axf3 Cd7 14.O-O 
Ce5 15.Ag5 Te8 
( 15...Cxf3+ 16.Dxf3 Af5 17.Ce4 Te8 18.Cg3 Ag4 19.Dd3 )
)
9.b3 Af5 10.Ae2 
( 10.d5 e5 11.dxe6 Axe6 12.Cf3 Cc6 13.Cb5 )
( 10.h3 e5!? 11.dxe5 
( 11.Cf3 e4 12.Ch2 Cc6 13.Ae2 d5 14.c5 Cc8 )
11...dxe5 12.Dxd8 Txd8 13.g4 Ae6 14.Ag2 Cc6 15.Cf3 h6 16.g5 )
( 10.Cf3 d5 11.c5 Cc8 12.Ae2 Cc6 13.O-O Ag4 14.b4 a6 15.Ce5 Axe2 16.Dxe2 
( 16.Cxc6 bxc6 17.Dxe2 e5 18.Dd2 Ce7 = )
16...Cxe5 17.dxe5 e6 18.f4 Dd7 )
10...e5 
( 10...d5 11.c5 Cc8 12.g4 
( 12.Cf3 Cc6 13.O-O e6 14.b4 a6 )
( 12.Af3 e5 
( 12...e6 13.g4 Ae4 14.Cxe4 dxe4 15.Axe4 Cc6 16.Ce2 C8e7 17.O-O Cd5 )
13.Axd5 exd4 )
( 12.b4 Cc6 13.b5 
( 13.Cf3 a6 14.h3 e6 15.O-O 
( 15.a3 Ae4 16.Cxe4 dxe4 17.Cg5 Axd4 )
( 15.b5 axb5 16.Cxb5 Da5+ )
15...Cxb4 16.Db3 a5 17.g4 Ad3 )
13...Cxd4 14.Axd4 e5 15.Cf3 exd4 16.Cxd4 Ce7 )
12...Ad7 )
( 10...Te8 11.d5 e6 
( 11...e5 12.dxe6 Axe6 13.Cb5 d5 14.c5 )
)
11.dxe5 dxe5 12.Dxd8 Txd8 13.c5 Cc8 14.Cf3 Cc6 15.O-O C8e7 16.Cb5 
( 16.Tfd1 e4 17.Cd2 Axc3 18.Txc3 Cd4 19.Axd4 Txd4 )
16...Ad3! 17.Axd3 Txd3 18.Cd6 Cf5 = ! *