Solution ( X'mas Tree )

Problem 1. X' (L10,M10,M9)

Problem 2. M. Ko is the best (K6,L6,L7,J6,J7,K7 ).

Problem 3. A. Do not be greedy (K8).

Problem 4. S ( J8 or J9,L12,L11,M12,K12 ).

Problem 5. You have to win ! Which 5 stones are you going to capture ?   O2,G4,N3 or M3,F14,M3.