A good sacrifice is one that is not necessarily sound but leaves your opponent dazed and confused.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "White player"]
[Black "Black player"]
[Result "*"]
[BlackElo "0"]
[FEN "7k/1K6/7p/8/8/8/8/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ Chasing Down a Pesky Pawn|This KP endgame lesson demonstrates how to use
the Square Concept to rapidly see the result of a king and pawn race.|In
this position, the Black king has no role to play, and can be ignored.|In
your mind's eye, draw a diagonal line from the pawn to its 8th rank. The
squares c1-h6 form a diagonal that defines a square with one corner at c6. It
should not be difficult to visualize this square in your imagination. The
concept is, if the king, on the move can enter the square created as
described, then the pawn can be stopped. No need to count, just build the
square.|Now take a moment and experiment with this on your own board with
various placements of king and pawn. } 1. Kc6 { White's king has enter the
square of the pawn, and can hunt down the pesky pawn. } 1... h5 { The pawn races to
promote. } 2. Kd5 { The race is on. } 2... h4 { Square by square. } 3. Ke4 { Move by
move. } 3... h3 { How many moves has it been? } 4. Kf3 { I have lost count. } 4... h2 { Just
one more move. } 5. Kg2 { Just in time. } 5... h1=Q+ { The pawn realizes it royal
ambition. } 6. Kxh1 { The king captures the newly minted queen as predicted by
the square concept 6 moves before.|I think you can agree that calculating
all this in your head is harder than using the Square Concept. } *