Trading Pieces for a Winning Endgame
Seirawan Strategy Example #2
Winning Chess Strategies, Diagram 7, p28
With 4x Pawns more than Black, including TWO Protected Passed Pawns (d5 & h3), White should seek to simplify the position and trade down into the Endgame phase as quickly as possible, for a Winning advantage.
The problem for White is Black threatens to win via a type of Smothered Mate (look at the cramped position of White's King!).
The glimmer of hope, for White comes from a Combination involving the Queen's sacrifice and an Absolute Knight Fork against Black's King & Queen.
Incidentally, Seirawan points out Black's Queen, currently involved in a bid to Checkmate White's cornered King, is the key piece preventing White's Material Surplus from trading down to a comfortable winning advantage ...