Shortest construction tasks map

#5
a-rook
#3
b-knight
#4
c-bishop
[2+2+2+2]
#2
queen
#5
king
#3
f-bishop
#4
g-knight
#5
h-rook
8
7
6 a-pawn
#5
b-pawn
#4
[1]
c-pawn
#4
d-pawn
#4
e-pawn
#4
f-pawn
#4
[3+2]
g-pawn
#4
[3+3+3]
h-pawn
#5
5
single move mode
animation
Help
Construction tasks:
Black checkmating
with piece or by type
(shortest solutions)
[a+b] means, that there
are exactly a+b solution
games, a(b) ending in a
first(second) position.
4 #6
only N (left)
[1] (1.d3)
#5
wK, no bP
[1] (1.e3)
#5
wK, no bP
#6
only N (right)
#5
double †
[2+2]
#4
discovered †
3
2 #5
pawn2rook
[7]
#5
pawn2knight
[2+5]
#5
pawn-bishop
#5
pawn-queen
#6
0-0-0
#6
0-0
#6
en passant
1
a b c d e f g h