// Check rows
for x from 0 to (max_x - pieces_in_line):
	for y from 0 to (max_y - 1):
		// initialise some variable - colour is the colour the next pieces have to be to win
		win = true
		colour = board[x][y]

		// check the next pieces
		for i from 1 to (pieces_in_line - 1):
			if board[x+i][y] != colour:
				// this piece is a different colour, so its not a win
				win = false
				break

		if win:
			colour wins!!


// Check columns
for x from 0 to (max_x - 1):
	for y from 0 to (max_y - pieces_in_line):
		// initialise some variable - colour is the colour the next pieces have to be to win
		win = true
		colour = board[x][y]

		// check the next pieces
		for i from 1 to (pieces_in_line - 1):
			if board[x][y+i] != colour:
				// this piece is a different colour, so its not a win
				win = false
				break

		if win:
			colour wins!!


// Check diagonals
for x from 0 to (max_x - pieces_in_line):
	// Going up
	for y from 0 to (max_y - pieces_in_line):
		// initialise some variable - colour is the colour the next pieces have to be to win
		win = true
		colour = board[x][y]

		// check the next pieces
		for i from 1 to (pieces_in_line - 1):
			if board[x+i][y+i] != colour:
				// this piece is a different colour, so its not a win
				win = false
				break

		if win:
			colour wins!!

	// Going down
	for y from (pieces_in_line - 1) to (max_y - 1):
		// initialise some variable - colour is the colour the next pieces have to be to win
		win = true
		colour = board[x][y]

		// check the next pieces
		for i from 1 to (pieces_in_line - 1):
			if board[x+i][y-1] != colour:
				// this piece is a different colour, so its not a win
				win = false
				break

		if win:
			colour wins!!