Not All Brain Teasers Have Complicated Positions

How quickly can you find the shortest mate in this simple position?

2k5/8/8/BQ6/4K3/8/8/8 w - - 0 1

Comments
No. 1-3
Stapenhorst
Stapenhorst

I found mate in 4 with 1.Qb3, instead of 1.Qb2

Stapenhorst
Stapenhorst

Oh!

Alena
Alena

I saw this mate pattern quickly, but it took one hour to find a way how to make the black king move onto c6.

V-1

1.Qb2 Kd7
2.Qe5 Kc6
3.Qd5#

V-2

1.Qb2 Kd7
2.Qe5 Kc8
3.Qc7#

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