Connect Four on 6 high, 7 wide grid, there are 4,531,985,219,092 positions for all game boards populated with 0 to 42 pieces. The game was first solved by James Dow Allen (October 1, 1988), and independently by Victor Allis (October 16, 1988). Allis describes a knowledge-based approach, with nine strategies, as a solution for Connect Four. Allen also describes winning strategies in his analysis of the game. At the time of the initial solutions for Connect Four, brute-force analysis was not deemed feasible given the game's complexity and the computer technology available at the time. Connect Four has since been solved with
Untitled (How Does It Feel) Plus'". In 2001, "Untitled (How Does It Feel)" won a Grammy Award for Best Male R&B Vocal Performance and was also nominated for Best R&B Song at the 43rd Grammy Awards ceremony. It was ranked number 12 on "The Village Voice"s 2000 Pazz & Jop critics' poll and number 4 on "Rolling Stone"s "End of Year Critics & Readers Poll" of the top singles of 2000. "Blender" ranked "Untitled (How Does It Feel)" number 454 on its list of the Top 500 Songs of the 80s-00s (2005), and "Q" included it on its list of the 1010 Songs You Must