2nd match to celebrate Botvinnik's anniversary

Today is the 100th Anniversary of the birth of Mikhail Moiseyevich Botvinnik (1911-1995), the sixth World Chess Champion, and one of greatest chess players of the 20th Century. All games start with 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 dxc4 7.d5 Na6.