1.a8Q! Bxa8 2.Ba7+ Rf2
3.Nh1!! [3.Bxf2+? Kg2 4.Nh1 Kxh1 5.Kf1 Bg2+ 6.Ke1 Positional draw? No! 6...Bf3! 7.Kf1 Bxe2+ 8.Kxe2 Kg2–+] 3...Bxh1 4.Bxf2+ Kg2
Stalemate? No, because white is to move! This position could be called a "virtual stalemate". 5.Bh4 Kg1 6.Bf2+ Kg2 7.Bh4 positional draw - perpetual virtual stalemateWatch this study on a dynamic board! Click here!