2014-12-04 Yoko Ono and John Lennon playing chess (1972) - YouTube http://youtu.be/ja2DxIxDnpU ◇ オノ・ヨーコ - Wikipedia http://ja.wikipedia.org/wiki/%E3%82%AA%E3%83%8E%E3%83%BB%E3%83%A8%E3%83%BC%E3%82%B3 ◇ Yoko Ono - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Yoko_Ono