World-class chess is largely a celebration of great moves (Topalov-Shirov: 47…Bh3!!!). For most of us, though, it’s a series of decent moves punctuated by total stinkers. Boldi (1750) – Slater (2130). Here I found a powerful calculation: 21…Qf6 22.Rf3 Qxd4! 23.Qxd4 Re1+!! winning the queen on d4! [Psst: Derek, you gave up your queen too. So you’re… More Howlers