Diag.12 Oscar Carlsson -Ganan
3.p L’Echiquier de France- 1957
wKd8,Bc2,Pd7,e3/bKg4,Bb8,f1
1.Rc8 Ag3 2.Ad1+ [2.d8D? Aa6+ 3.Rd7 Ab5+ 4.Re6 Ac4+] 2…Rf5 3.e4+! Rg6 [3…Rxe4 4.Ac2+ Rf3 5.d8D Aa6+ 6.Rd7 Ab5+ 7.Re6 Ac4+ 8.Rf5; 3…Re6 4.Ab3+ Re5 5.d8D Aa6+ 6.Rb8] 4.Ah5+ Rxh5 5.d8D