Puzzle 30

Puzzle of the day: Black mates in two.

update: here's the solution

Puzzle 29

Puzzle of the day: White mates in two.

update: here's the solution

Puzzle 28

Puzzle of the day: Black mates in two.

update: here's the solution

Puzzle 27

Puzzle of the day: White mates in two.

update: here's the solution

Puzzle 26

Puzzle of the day: Black mates in two.

 update: here's the solution

Puzzle 25

Puzzle of the day: White mates in two.

update: here's the solution

Puzzle 24

Puzzle of the day: Black mates in two.

 update: here's the solution

Puzzle 23

Puzzle of the day: White mates in two.

update: here's the solution

Puzzle 22

Puzzle of the day: Black mates in two.

update: here's the solution

Puzzle 21

Puzzle of the day: White mates in two.

 update: here's the solution

Puzzle 20

Puzzle of the day: Black mates in two.

 update: here's the solution

Puzzle 19

Puzzle of the day: White mates in two.

 update: here's the solution

Puzzle 18

Puzzle of the day: Black mates in two.

 update: here's the solution

Puzzle 17

Puzzle of the day: White mates in two.

 update: here's the solution