Blunder (4)

Black's last move 34.- Qb6-b5?? was punished immediately in Alsina-Leal - Tiviakov (Copenhagen 2009).

White continued 35.Qg1 Bxb2 36.Bf1 and Black loses a piece (1-0, 51.).

Best move (1)

Black to move in Kozul - Tiviakov (Budva 2009). What is the best move? Solution is below in white color.

1.- Nf6! 2.fxg5 Ng4 (-> 3.- Rh2#) 3.Rxg4 draw