No. 105, Jan.-Apr. 1997
3519 - Gerd Wilts US Problem Bull. 105/106, Jan.-Apr. 1997
15+15. (a) Help game in 8.5 moves (b) Help game in 13 moves
3520 - Gianni Donati US Problem Bull. 105/106, Jan.-Apr. 1997
15+13. Help game in 14 moves
3521 - Peter Wong US Problem Bull. 105/106, Jan.-Apr. 1997 (This problem was later found to be cooked)
12+15. Help game in 20 moves
3522 - Thomas Volet US Problem Bull. 105/106, Jan.-Apr. 1997
13+8. Least number of Knight moves?
3528 - Philippe Schnoebelen US Problem Bull. 105/106, Jan.-Apr. 1997 A hint for Gianni Donati (This problem is not part of the ladder solving contest)
7+16. May White castle? Mate in 1