Four Knights Game Four Knights Game The Four Knights Game is a chess opening that begins with the moves: This is the most common sequence, but the knights may in any order to reach the same position. The opening is fairly popular with beginners who strictly adhere to the opening principle: "Develop knights before bishops." It was one of the workhorses in the family of the Open Game, at even the highest levels, until World War I. Thereafter it fell by the wayside, along with a number of open games. In this period ambitious players explored the Ruy Lopez, believing it a better
Ruy Lopez careful play White is held to gain an advantage. The best moves are 4.Nxd4 exd4 5.O-O Bc5 6.d3 c6 7.Ba4 Ne7. This defence was published in 1843 in Paul Rudolf von Bilguer's "Handbuch des Schachspiels" and explored by Henry Bird in the late 19th century. Bird played it as Black at least 25 times, scoring +9 =3 −13 (nine wins, three draws, thirteen losses). Bird's Defence was later used a few times in tournament play by Siegbert Tarrasch, Boris Spassky, and Alexander Khalifman. Although it is still sometimes seen as a surprise weapon, no strong master since Bird has adopted