The position under consideration arises from and is known as the Huebner Variation(4...c5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 e5 9.d5 Ne7
'At his strongest in the mid-seventies to early eighties, Hübner participated in many of the elite tournaments of the day, such as Tilburg 1978 and Montreal 1979 (The Tournament of Stars), playing alongside Anatoly Karpov, Mikhail Tal, and Jan Timman. There were tournament victories at Houston 1974, Munich 1979 (shared with Ulf Andersson and Boris Spassky), Rio de Janeiro Interzonal 1979 (shared with Lajos Portisch and Tigran Petrosian),[2] and Linares 1985 (shared with Ljubomir Ljubojević). He remained active on the international circuit into the 2000s, but has never been a full-time chess professional due to his academic career.
He served as a second to Nigel Short in his efforts to win the World Chess Championship match against Garry Kasparov in 1993. In 2000 he won, with the German team, a silver medal in the 34th Chess Olympiad in Istanbul. His International Master (IM) title was awarded in 1969 and his Grandmaster (GM) title in 1971.'-Wikipeida
Najdorf,Miguel (2560) - Huebner,Robert (2590) [E41]
Hoogovens Wijk aan Zee (7), 01.1971
Critical Position 1
White has just played 18.Ne3. How do you assess the position? White has more space, the semi-open b-file but who is better? is the position a delicate equality?
What is black's plan? Is it consistent with the assessment?
What move do you propose for black?
Black to play
Critical Position 2
The strategic race is well underway. What is the next step for black? Is it a hidden combination? Or perhaps something mundane like opening the h-file? Maybe the e-file possibilities catch your attention? Is it something to do with the ...e4 break?
Black to play
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