chessboard with square control

• Blue frames denote Black control
• Red frames denote White control
• The higher the control, the more opaque the frame will appear.
• Pieces en pris are circled.

Square Control

Show square frames indicating control
Show controlling pieces on hover

Set Position (Forsyth-Edwards Notation)

Select FEN:	Standard starting position 1912 Levitsky Marshall 1962 Nezhmetdinov Chernikov 1963 Petrosian Spassky 1965 Kholmov Bronstein 1972 Fischer Spassky game 2
Or enter manually:	apply