Here are some chess puzzles from the games of Ferdinand Hellers. White to move and win except where noted.
Solutions are between the brackets under each puzzle. Drag your cursor from one bracket to the other.
a) Hellers vs Holmes Alfonso Romero, Groningen, 1984 [ Nc6 w/Nde7+ ]
b) White Mates in 4. Hellers vs Jeroen Piket, Amsterdam, 1985 [ Nf6+ Kh8 Qxh6+ Nh7 Qxh7+ Rxh7 Rg8# ]
c) Hellers vs Curt Hansen, Malme, 1988 [ Qd5+ w/Bxd5+ & Rxg4 ]
d) Hellers vs Nick De Firmian, Wijk aan Zee, 1986 [ Qg6 w/Bf5 ]
e) Hellers vs Viktor Kupreichik, Esbjerg, 1988 [ Bxg6 if fxg6 Re6 ]
Hellers Puzzles, Part II. White to move and win except where noted.
a) White Mates in 11. Hellers vs Jonny Hector, Naestved, 1988 [ Rxh6+ gxh6 Rxh6+ Kg8 Qe6+ Kf8 Qxf5+ ]
b) White Mates in 3. Hellers vs Eric Lobron, Salonika, 1988 [ Kf8 ]
c) Hellers vs Lev Polugaevsky, Haninge, 1989 [ Bc6+ if Bd7 Rdxe6 or if Rd7 Rexe6 ]
d) Hellers vs Andrei Sokolov, New York, 1990 [ h6 ]
e) Hellers vs Michael Valvo, New York, 1990 [ Bd5 if Rxf4 Bc6 Rf2+ Kc3 Rxa2 (if Re2 Rh8) Bxd7 w/Re1+ ]
Hellers Puzzles, Part III. White to move and win except where noted.
a) White Mates in 8. Hellers vs Klaus Berg, Copenhagen, 1991 [ Rxf8+ Kd7 Rhxf7+ Kc6 Rxc8+ Kb6 Rxc2 ]
b) White Mates in 10. Hellers vs Miso Cebalo, Herning, 1991 [ Nf6+ Kh8 Rh3 h6 Rxh6+ gxh6 Nxe8+ ]
c) Hellers vs Ian Rogers, Malme, 1993 [ Nxf7 if Kxf7 Qxe6# ]
d) Hellers vs Walter Shipman, New York, 1993 [ Bh5 if Qxh5 Bxf6+ ]
e) White Mates in 3. Hellers vs Raset Ziatdinov, Leeuwarden, 1994 [ d8/Q+ ]
Hellers Puzzles, Part IV. Black to move and win except where noted.
a) White Mates in 4. Hellers vs Curt Hansen, Malme, 1997 [ Rf5 exf5 Nxf5 ]
b) White to move and win. Hellers vs Mats Sjoberg, Stockholm, 1997 [ Bb8 if Nb6 Bb7 ]
c) AE Mousa vs Hellers, Baguio, 1987 [ ...Qc1+ ]
d) Josif Dorfman vs Hellers, Amsterdam, 1990 [ ...Nxe4 if dxe4 Qe4+ ]
e) Yann Doombos vs Hellers, Parthenay, 1992 [ ...Bxa4 if Bxa4 Nc5 ]