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Wolfgang Unzicker vs Mikhail Botvinnik
European Team Championship (1961), Oberhausen FRG, rd 5, Jun-25
French Defense: Winawer. Classical Variation (C18)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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Kibitzer's Corner
May-01-06  weisyschwarz: The following notes are from Lubomir Kavalek:

7. Nf3 (Choosing the quiet line, since Botvinnik was ready for the sharp 7. Qg4)

15...Qd8 (A decisive mistake, according to Botvinnik. 15...Nf5 was necessary)

20. Qg2! (Targeting the pawn on d5, and preparing g3-g4)

20...Ra7 (After 20...h5 21. Rb5 Na7 22. Rxd5! Bxd5 23. Bxd5 Rc8 24. e6! white's attack breaks through)

24. Kh1! (Threatening 25. gxf5 and 26. Qxg7)

26. gxf5 [26. Rxb6]

26...Bxf5 (Or 26...gxf5 27. Rg1 Ke7 28. Qg7 Rb7 29. Rg6 and white wins)

29...gxf5 (After 29...Qxf5 30.Rxb6 Kg7 31. Rf6 Qg5 32. Qf3 black's position is hopeless)

31. e6! (After 31. e6 Rd6 32. Qb7+ Kxe6 33. Rxd6+ Qxd6 34. Rb6 wins)

May-01-06  weisyschwarz: p.s. I offer these notes from Kavalek's weekly article in the Washington Post (1 May 06).
May-02-06  syracrophy: <weisyschwarz> Great analysis!
May-06-06  Fezzik: I wonder if we'll be seeing this game in the Position of the Day soon?
Jul-15-07  jmw128: Clearly, e6! wins. However, Re6!! leads to forced mate in all lines and is worthy of study.
Jun-26-20
Premium Chessgames Member
  WTHarvey:


click for larger view

Unzicker played 31.e6 but has a mate in 7.
What is it?

Solution (in reverse)
33.Qf6+ Ke7 32.Qc6+ 31...Kxe6 if or
33.Qxh8+ Kd8 32.Qg7+ 31...fxe6 if
31.Re6+

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