(1) Huebner,R - Visier Segovia,F [B89]
Spain, 1974



1.e4 c5
The Sicilian Defense

2.Nf3 e6 3.Nc3
A frequent move, measuring black's intentions. White is unlikely to play a Closed varaition with the Nf3 blocking f2-f4

3...Nc6 4.d4 cxd4 5.Nxd4
Back to a main line... Black can choose among ...a6, ...Qc7, and ...d6

5...d6 6.Be3 Nf6 7.Bc4
Transposing to the Sozin Sicilian. The more usual move order is: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Be3

7...Be7 8.Qe2
The Velimirovic attack

8...a6 9.0-0-0 Qc7 10.Bb3
All known and book

10...0-0
And an interesting choice now for white. If 11.g4, black plays Nxd4 when the natural Bxd4 fails to e6-e5. So white would have to play 11.g4 Nxd4 12.Rxd4 e5 13.Rc4. Better to prepare g4 with...

11.Rhg1 Na5 12.g4 b5 13.g5 Nxb3+ 14.axb3 Nd7
Again, all well known to theory. Huebner offers just a half page to the first 14 moves, and 26 pages to last 13 moves!

15.Rg3
There's much to learn from Huebner's method. First, analyze the key candidate moves 15.Nf5 and 15.f4... not necessarily to play them, but to find out why they may not yet work. And then play the moves that help to set them up.

15...Bb7 16.f4
[16.Qh5 Rfe8 17.Rh3 Nf8 ]

16...b4
Diagram

17.Nd5
Offering the knight to open lines and the f5 square for the attack upon the kingside

17...exd5 18.Nf5
threat Nxe7

18...Nc5
[18...Rfe8 when Huener planned 19.Nxg7 with "head-splitting" complications]

19.Bd4
Two pages of analysis on the alternatives, Qh5, Rh3, and Nxg7

19...Nxe4 20.Nxg7
or Rh3

20...f6
Trying to vlock the Bd4, but now weakening e6 and g6 [20...Nxg3 21.hxg3 f6 22.Nf5 ]

21.gxf6 Nxg3
Diagram

22.Qg4
[22.Qe6+ Rf7 23.hxg3 Bxf6 24.Bxf6 Rc8-+ ]

22...Ne2+ 23.Kb1
[23.Qxe2 Bxf6-+ ]

23...Bc8 24.Nf5+ Kf7
[24...Kh8 25.Qg7# ]

25.Qh5+ Ke6
[25...Kg8 26.f7+ Rxf7 27.Nh6+ Kf8 28.Qxf7# ]

26.fxe7 Bd7 27.exf8N+
[27.Qxe2+ Kxf5 (27...Kf7 28.Qh5+ Ke6 29.Re1# ) 28.Qd3+ Ke6 29.Re1+ Kf7 30.Qxh7+ Ke8 31.exf8Q+ Kxf8 32.Qg7# ; 27.exf8N+ Rxf8 28.Qxe2+ Kxf5 29.Qd3+ Kxf4 30.Qg3+ Ke4 31.Re1+ Kf5 (31...Kxd4 32.Qe3# ) 32.Rf1+ Ke4 33.Qe3# ] 1-0