28 - Qd8-d3! Naka sees threat to g2-mate sq ties down f1-bishop Gelfand vs Nakamura, 2010  (E97) King's Indian, 33 moves, 0-1 29 ... Rb7xb2! Naka sees f2-rook must protect f3-royal fork sq K Haznedaroglu vs Nakamura, 2010  (B62) Sicilian, Richter-Rauzer, 33 moves, 0-1