Hintless Puzzle #10

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kco
Hi, I will be posting puzzle weekly especially for those who don't like the
dailypuzzle much or find the hints and title annoying cause you don't have clues while playing OTB do ya ? Of course not ! So please don't give answers here straight away. I wil give the answer till Wednesday and a new puzzle next Sunday. Please don't say is 'easy'  or 'first' or if you don't like it cause is too hard (Good !) go to 'here'
p.s. anyone who use an engine before the answer I will never speak to you again. Tongue out
Today puzzle,  is White to move.
Hintless Puzzle #9                                      Hintless Puzzle #11
ArthurLaurent

How about Bc4?  (I'm a new player, and so miss a lot of obvious things.  Please be gentle.)

kco

Not telling till Wednesday :-) no clue please.

ArthurLaurent

I'm looking forward to Wednesday!

cheechakp
[COMMENT DELETED]
TomBarrister

You're very bossy.  A simple "Please don't post the solution or hints" would have sufficed, without all the other crabbing around.

You might want to fix your puzzle.  A chess puzzle is commonly understood to have one "best" first move.  I see more than one good first move, and they don't necessarily transpose to the same position later.  

kco

You are very fussy Tom go and take a hike. Laughing

FT-physicist

[READ POST ONE BEFORE POSTING]

kco

Spoiler Alert ! Answer will be given down below.

Ivan Sokolov vs Andrew Greet, 
Gibtelecom Masters 2007

   CORNISHMAN, Greet's ambition is to become a grandmaster, but today's puzzle, which looked a potential giant-killer oppurtunity for him, turned out to be a lesson from Holland's GM Sokolov who has a good record against English opponents.

   Visually black's position seems quite good, with level material and a supported d4 passed pawn. However, the black king has ventured out too early. His majesty should be used activel in the endgame, but here there are enough pieces still on the board for white to generate winning tactics.
    Unlikely though it seems, there are hidden checkmate possibilities.

   What was White's winning move ?

  Answer: 1.c6 ! (so that if dxc6 2.Bc4 mate) d6 2.Rc1 ! Rd8  3.c7 and Black resigned  as White threatens both 4.Bc6 mate 4.cxd8=Q.

This article appear in the West Australia's Sunday Times by Leonard Barden

kco

note 2....Rd8 ?? better was e5, even that 3.Bc4+ Kxc6  4.Be6+ Kb6 still doesn't look good for black.

kco
Here the game.