(28) Sanderse,J - Helpmat in 4
Die swalbe VIII-1966
[W.G.Sanderse]

 5...Kd5 6.Rb8 Kc6 7.Rg8 Kb7 8.Rxg2 Ka8 9.Rg8# 1-0

(29) Sanderse,J - Helpmat in 2
UBP 1966
[W.G.Sanderse]

 5...bxc4 6.Bxc4 Kxc4 7.Rd4# 1-0

(30) Sanderse,J - Helpmat in 3
Feenschach VIII-1966
[W.G.Sanderse]

 1...Qf6 [1...Nf6 2.gxf6 Ne7 3.fxe7 d1B 4.exd8Q#] 2.gxf6 d1R 3.f7 Rd7 4.fxe8N# 1-0

(31) Sanderse,J - Helpmat in 2
Feenschach XII-1972
[W.G.Sanderse]

 4...Nxd3 [4...Nxe5 5.Qd6 Nf3 6.Nxf2#] 5.Nxg4 Nf4 6.Nf2# 1-0

(32) Sanderse,J - Helpmat in 4
Probleemblad 1972
[W.G.Sanderse]

 1...Nf5 2.Ne6 Kc4 3.Ka5 Nd4+ 4.Ng5+ Kc5 5.Ne4# 1-0

(33) Sanderse,J - Helpmat in 2
Stella Polaris 1973
[W.G.Sanderse]

 5...Bg7 [5...Rg7 6.fxg7 Qa1 7.gxh8Q Ba8+ 8.Qxc8#] 6.fxg7 Rgd8 7.g8B Nh8 8.Be6# 1-0

(34) Sanderse,J - Helpmat in 3
Feenschach IV-1974
[W.G.Sanderse]

 4...Kc3 5.Rxd3+ Kb2 6.Ba3+ Ka1 7.Rd1# 1-0

(35) Sanderse,J - Helpmat in 3
Feenschach IV-1974
[W.G.Sanderse]

 1...Kxf4 2.Bh6+ Kxe5 3.Re1+ Kd6 4.Bf8# 1-0

(36) Sanderse,J - Helpmat in 2
Feenschach X-1974
[W.G.Sanderse]

 1...Qg4 [1...Kh1 2.Kxe4 Kg2 3.Kxf4#; 1...Rhh1 2.Kxe4 Rh2 3.Kxf4#; 1...Rgh1 2.Kxe4 Rg1 3.Kxf4#; 1...Bf7 2.Kxe4 Be8 3.Kxf4#; 1...Bd2 2.Kxe4 Be1 3.Kxf4#; 1...Ne3 2.Kxe4 Nf1 3.Kxf4#; 1...Nf8 2.Kxe4 Nh7 3.Kxf4#] 2.Kxe4 Qh3 3.Kxf4# 1-0