Puzzle to train chess endings - Queen and King vs King

Puzzle to train chess endings - Part 1

Basic Mates

1 - Queen and King vs. King

With the risk of a stalemate.

IMPORTANT: At the end of the puzzles, you should click MOVE LIST so you can see notes and variations.

2 - Queen and King vs. King

Without the risk of a stalemate.

The final mating position with Queen and King vs. King occur in any edge of the board (a-file or h-file and 1th rank or 8th rank) not necessarily a corner of the board. There are basically two types of mate:

Example a-file: White King at c6; Black King at a6, 1) Qb6, 2) Qa4 (or a1, a2, a3 or a8).

Example 8th rank: White King at e6; Black King at e8, 1) Qe7, 2) Qa8 (or b8, c8 or g8, h8).

There are two positions of stalemate with the Black to play, these positions and similar should be avoided.

1) Black King at h8, White King at h6 and Qf7 or Qg6 and similarly for the other corners.

2) Black King at h6, White King at f5 and Qf7 and similarly for the other borders.