White to move. No computer please. Calculate everything out. Is it a win for White / Black or draw? 
Chess Daily News from Susan Polgar
Endgame Corner
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White to move. No computer please. Calculate everything out. Is it a win for White / Black or draw?
White to move should be a win starting with b5
sorry I meant 1.b5
samikd, correct. King position is vital in endgame.
Best wishes,
Susan Polgar
http://www.PolgarChess.com
http://www.SusanPolgar.com
maybe it’s a draw if the pawn is on b3 instead.
I agree, I think White wins after 1.b6 fixing pawns on kingside and then winning because of advanced king position. This is all in my head without moving pieces, plan is to use the two to one pawns on kingside as a distraction while King triangulates to queen side.
“How about 1.b6”
“I agree, I think White wins after 1.b6”
1.b6 is illegal under the current Laws of Chess. 1.b5 is cool.
What’s winning plan:
1. fix the Q-side pawns with 1 b5
2. Advance the K-side pawns so that they can win a pawn race (if white tries to create a K-side passer too soon, black can counterattack on the Q-side and at least draw)
3. Use the opposition to penetrate to one side or the other, create a passed pawn, and win
Sample line:
1. b5 (step 1 completed)
1. .. Kc7
2. e4 Kd7
3. f4 (step 2 completed)
3. .. Kc7
4. Ke5 Kd7
5. Kf6 Ke8
6. e5 Kf8
7. f5 (opposition again!)
7 .. Ke8
8. Kg7 Ke7
9. f6+ Kd6
10.Kf8
and the black f pawn must drop, so white wins
BTW, with black to move, BLACK draws! He creates an outside passed pawn to distract the white K and then win the white f pawn. The resulting K+P vs. K+P will be drawn.
Regards,
Chris Falter
Of course, if black chooses to advance his f pawn, it will quickly be lost because white will use the opposition to either capture it or the Q-side pawns. Though black is lost, (s)he holds out longest if (s)he does not touch the f pawn.
– Chris Falter
P.S. Susan, care to comment on my analysis?
If only GM Bu could play two moves instead of one…. GM Kramnik would be facing a loss.