A mysterious rook move

5/13/2024 – The new engines are not only producing new opening ideas, they are also reviving more and more old opening systems. One example is the Rubinstein System (4.e3) against the Nimzo-Indian Defence. What does a broken structure matter if you get dynamic options in return! In CBM #219 IM Balázs Csonka analyses the so-called Peralta Variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 c5 6.a3 Bxc3+ 7.bxc3 Nc6 8.Rb1!? - our free CBM reading sample of the week for your web browser!