May 1999
R052 - Stanislav Vokal Probleemblad May 1999
14+12. #3 (b) Rc4 -> h1
R053 - Etienne Dupuis Probleemblad May 1999
14+13. Proof game in 11.0 moves
R054 - Jouwert Turkstra Probleemblad May 1999
16+16. Proof game in 11.5 moves
R055 - Michel Caillaud Probleemblad May 1999 After Pascal Wassong
14+12. Proof game in 15.0 moves
R056 - Michel Caillaud Probleemblad May 1999 After Wassong and Heinonen
14+8. Proof game in 17.0 moves
R057 - Gianni Donati Probleemblad May 1999
13+15. Proof game in 22.0 moves