🎯 Objective

Fill the grid with white and black chess pieces so that each region contains exactly one piece of each color, and no more than two consecutive pieces of the same color appear in any row or column.

🎮 Controls

• Click cell: Cycles through states
• 1st click: Place black chess piece
• 2nd click: Place white chess piece
• 3rd click: Remove chess piece (empty)

📋 Rules

• Fill all cells with black or white chess pieces
• All black chess pieces must be connected (touching horizontally/vertically)
• All white chess pieces must be connected (touching horizontally/vertically)
• No 2x2 square can be all the same color

💡 Tips

• Start by avoiding 2x2 blocks of the same color
• Make sure both colors stay connected as you place pieces
• Use clue pieces as starting points for building connections