White to move and win
We tend to jump straight into tactics because, yeah, of course we love tactics and what a feeling if we can finish a game with swashbbuckling tactics! So we try 1.b7+ Kb8 2. Bxa7+ Kc7 3. bxc8=Q+ Kxc8 or 1.b7+ Kb8 2. bxc8=Q+ Kxc8 3.Bxa7.
Analysis diagram
When reach the above position, we start to think. Ah, ending! And anyone equipped with basic ending will straightly know that the position is draw and realizes that the combination isn’t sound! The black King just goes for the a-pawn or later, control the corner since white has a “wrong bishop” (the bishop does not have any power on a8!)
So, we try to find another alternative starting move.
The first two moves : 1. b7+ Kb8 2. Bf4+ Rc7. This is correctly mentioned by one of our responder at the comment. He has a correct idea but wrong execution.
Now, we should ask ourselves, how to finish the game? White has no more piece to help but King. So, how the King can help? Or is it the King cannot help at all and we accept the draw? (Haha!). Anyway, how we wish (wish! wish! wish! and then find the way!) our King would be at d8 to support the Bishop to deliver checkmate! But our King could not go there since black rook, despite being pinned, controls the 7th rank.
Wait! No! We have h7 square! Yay!
3. Kg6! the only move or else black will move g5 and the opportunity has gone forever! h5 (force!) 4. Be5! (or Bd6!) Careful! Careful! In the verge of winning, do not be so excited! Kh7 straightaway and you lost your bishop by g5+! h4 5. Kg8 and march to d8 square to support the bishop delivering checkmate: Bxc7++.
King is a strong piece after all!
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