This KnightPawnRookBishop.cql finds studies with Knight and Pawns against a Rook and Bishop (with pawns).

5.1 Created by Lewis Stiller.

3.02 Created by Peter Boll.

CQL 5.1

; One side has only knight and pawns. The other side has only a rook and a bishop.

cql(input heijden.pgn sort matchcount 1 1000)
flipcolor
{power 0 [QRBqnp]
power 1 100 P
power 1 100 N
power 8 [rb]
}

CQL 3.02
(match
 :pgn heijden.pgn
 :output KnightPawnRookBishop.pgn
(position 
:flipcolor 
:variations
:piececount r 1
:piececount b 1
:piececount [QRBqn] 0
:piececount N 1 2
:piececount P 1 8)
)

2438 studies are found. Here a few presented: