Boden’s mate
Your turn
The idea
Two bishops on criss-crossing diagonals mate the king, typically one that has castled — the classic Bxa3# or Bb5# breakthrough against queenside castling.
Examples
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h