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Vasily Smyslov vs Juan Pedro Dominguez Sanz
Las Palmas (1972), Las Palmas ESP, rd 15, Jun-17
English Opening: Symmetrical Variation. Hedgehog Defense (A30)  ·  1-0



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Kibitzer's Corner
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Dec-01-15  patzer2: Smyslov's central control and space advantage is so dominant after 23. Qg4! to he can play the King side attack at a leisurely pace, as his Knight casually strolls from the Queen side to the King side.

For the solution to today's Tuesday puzzle, the rambling Knight plays the clearance sham sacrifice 29. Ng6+! in order to pry open the h-file for the Queen to mate.

Premium Chessgames Member
  agb2002: White is one pawn ahead.

Black threatens 29... fxg5.

White can deliver mate in three with 29.Ng6+ hxg6 30.Qh4+ Bh6 31.Qxh6#.

Dec-01-15  saturn2: Ng6 followed by Qh4 gets the full point
Dec-01-15  BxChess: Even one move earlier it seems that black has no defence to 28. Qxg5. I think 28 ? would make a good mid-week puzzle.
Dec-01-15  morfishine: White controls <g8> so <29.Nxg6+> works due to the follow up 29.Qh4+
Dec-01-15  Olsonist: So bishop diagonals seem to be the theme this week. I saw Ng6 immediately. It just leaps out.
Dec-01-15  ozu: <BxChess> was thinking the same exact thing
Dec-01-15  stacase: Another well placed Bishop, although not as far removed as yesterday's deciding sentinel.
Dec-01-15  kubbybulin: "Never play f6." - GM Ben Finegold

But on black's 17th, he made the fatal mistake, and thus comes mate in 3 on white's 29th...

29. Ng6 hg6 30. Qh4 Bh6 31. Qh6#

Dec-01-15  starry2013: Nice to see a Monday/Tuesday puzzle that looks like a checkmate puzzle and actually is one too.
Dec-01-15  zb2cr: All simple and forced. 29. Ng6+, hxg6; 30. Qh4+,Bh6; 31. Qxh63.
Dec-01-15  wooden nickel: The knight sac would have even worked a move earlier i.e. 28.Ng6+, however more complicated. Smyslov's solution first 28.Qxg5 wins much easier.

click for larger view

28.Ng6+ if hxg6 then 29.Qh3+ Kg7 30.fxg6 Kxg6 31.Bf5+ Kf7 32.Qh5+ Ke7 33.Qh7+ Bg7 34.Qxg7#

click for larger view

Dec-01-15  CHESSTTCAMPS: Not only is white a pawn up, the black position is extremely cramped and the lack of mobility makes defense difficult. Not surprisingly, white can force a mate-in-3 with 29.Ng6+
Dec-01-15  Checker2: "Always check; it may be mate."
Dec-01-15  Chess Dad: To me, this was much easier than yesterday. Delivering mate with the Queen is much easier to see than using a lowly pawn to deliver mate.

Even if it's mate in 3 vs. a mate in 2.

Dec-01-15  M.Hassan: A Knight sac and it is over!
29.Ng6+ hxg6(forced)
30.Qh4+ Bh6
Dec-01-15  M.Hassan: What was the point of Black's Knight move on 25?
25..........Nb8 moving from d7 to b8
26.f5 Nd7 coming back to d7 from b8
Dec-01-15  Herma48852: Agreed with many if that today's was easier than yesterday's: 29.Ng6+ hxg6 30.Qh4+ Bh6 31.Qxh6#
Premium Chessgames Member
  kevin86: Black's position looks like a spring; but after three moves, the position sprung on him! lol The queen will mate on the h-file.
Premium Chessgames Member
  Willber G: <wooden nickel: The knight sac would have even worked a move earlier i.e.

28.Ng6+ if hxg6 (etc)>

What if NOT 28...hxg6 but instead Kg7.

Dec-01-15  dfcx: looks much easier than yesterday. Black king is stalemated,

29.Ng6+ hxg6 30.Qh3/Qh4+ 31.Bh6 Qxh6#

Dec-01-15  BOSTER: No chance for Sanz to beat Smyslov with white bishop on e6.
Dec-01-15  wooden nickel: <Willber G: ...28.Ng6+... What if NOT 28...hxg6 but instead Kg7.> Looks like 29.Qxg5 still works and we still have the knight, but it gets fancy!

click for larger view

Premium Chessgames Member
  gawain: 29 Ng6+ forces mate. Now I must examine the game to see how that wonderfully posted white bishop got to e6.
Dec-01-15  JimNorCal: Easier than Monday: the bishop controlling a key escape square is close to the action, not a world away at a3 :)
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