(1) Petersen,Harald Boye - Haugen,Arild (1698) [B40]
Randaberg Høst 2005 (1), 06.09.2005

B40: Sicilian: 2...e6, Unusual lines

1.e4 e6 2.Nf3 c5
[2...d5 3.exd5 exd5 4.d4= ]

3.Nc3+/= Nc6 4.Bc4
[4.d4 cxd4 5.Nxd4 a6+/= ]

4...a6
Consolidates b5

5.0-0 b5 6.Bd3 c4
Black gains space [6...Bb7 7.b3= ]

7.Be2+/= d5 8.d4
[8.exd5 exd5 9.d3 Nf6+/= ]

8...b4 9.Na4
[9.exd5 exd5 10.Na4 Bd6= ]

9...Nf6
Black is behind in development. [9...dxe4 10.Nd2 Nxd4 11.Nxc4=/+ ]

10.Ne5
[>=10.exd5 would keep White in the game 10...exd5 11.Re1+/= ]

10...Nxe5-/+ 11.dxe5 Nxe4 12.h3?
[>=12.Be3 Qc7 13.Bd4-/+ ]

12...Bd7-+ 13.c3
[13.b3 Bxa4 14.bxa4-+ ]

13...Qa5 14.b3 Bxa4 15.bxa4
[15.cxb4 Qc7 16.bxa4 Qxe5-+ ]

15...Nxc3 16.Qd2 Bc5 17.Kh2
[17.Bf3 does not win a prize 17...Qxa4 18.a3 0-0-+ ]

17...0-0 18.Qc2
[18.f4 doesn't change the outcome of the game 18...Qxa4 19.Bf3 Rad8-+ ]

18...Bd4 19.Bh5
[19.Bf4 does not solve anything 19...Qxa4 20.Qxa4 Nxa4-+ ]

19...Ne4
Black prepares the advance c3 [>=19...Qxa4 and Black can already relax 20.Qxa4 Nxa4-+ ]

20.g3
[20.Bb2 is the last straw 20...c3 21.Bc1-+ ]

20...Bxa1 21.Bb2
[21.Bf4 doesn't change anything anymore 21...Bc3-+ ]

21...Bxb2 22.Qxb2 Qxa4 23.f4 c3 24.Qb3 Qxb3 25.axb3 Nd2 26.Rf2 c2 27.Rxd2 c1Q 28.Rg2 Rac8
[28...Rfc8 29.Bxf7+ Kxf7 30.h4 Qb1 31.Rf2 Rc1 32.Kg2 Rg1+ 33.Kh3 Qd3 34.Rg2 Rh1+ 35.Rh2 Qf1+ 36.Kg4 Qd1+ 37.Kh3 h5 38.Rxh1 Qxh1# ]

29.Bg4
White threatens to counter with Rc2

29...Rc2 30.Be2
[30.h4 does not save the day 30...Rxg2+ 31.Kxg2 Rc8 32.Bh5 Rc2+ 33.Kh3 Qh1+ 34.Kg4 Qd1+ 35.Kh3 Qxh5 36.g4 Rc3+ 37.Kg2 Qxg4+ 38.Kf2 Rc2+ 39.Ke3 Qg3+ 40.Kd4 Qc3# ]

30...Rfc8 31.h4
[31.Bc4 doesn't improve anything 31...dxc4 32.h4 Rxg2+ 33.Kxg2 cxb3 34.f5 Rc2+ 35.Kf3 Qd1+ 36.Kf4 Rf2+ 37.Ke4 exf5+ 38.Ke3 Qd2# ]

31...Qe3 32.g4
[32.Bh5 cannot change what is in store for ? 32...Rxg2+ 33.Kxg2 Rc2+ 34.Kh3 Rc3 35.Kg2 Qxg3+ 36.Kf1 Rc1+ 37.Bd1 Qf3+ 38.Kg1 Rxd1+ 39.Kh2 Rh1# ]

32...Rxe2
[32...Qxe2 33.Rxe2 Rxe2+ 34.Kg3 Rc3# ]

33.g5
[33.h5 is not the saving move 33...Rxg2+ 34.Kxg2 Rc2+ 35.Kh1 Qc1# ]

33...Qxf4+ 34.Kh3 Rc3+ 35.Rg3 Qxg3#
[35...Rxg3#?!= ] 0-1