Issue 72 of the German magazine Problem Forum (study section) December 2017.

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Studies in this article to replay:

[Event "237 .p Roslov-40 JT Zadachy i Etyudy"] [Site ""] [Date "2003.12.10"] [Round ""] [White "Van der Heijden=H"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/8/8/5K2/1r6/k2P3P/8 w - - 0 1"] [PlyCount "22"] [EventDate "2003"] 
 1. d3 $1 (1. h4 $2 Rh3 2. Kg5 Kb3 3. h5 Kc4 4. h6 Kd5 5. Kg6 (5. d4 Ke6 6. d5+ Kf7) 5... Ke6 6. Kg7 Ke7 7. h7 Rg3+ 8. Kh8 (8. Kh6 Kf7 9. h8=N+ Kf6) 8... Kf7 9. d4 Re3 10. d5 Re8#) (1. d4 $2 Rh3 2. d5 Kb3 3. d6 Kc4) (1. Kg4 $2 Rb1 $1 2. h4 Kb3 3. h5 Kc4 4. h6 Kd5) 1... Rxd3 (1... Rb1 2. h4 $1 Kb3 3. h5 Rh1 4. Kg5) (1... Rb4+ 2. Kg5 (2. d4 $2 Kb3 3. h4 Kc4 4. h5 Kd5)) (1... Rb5 2. h4 Kb3 3. Kg4 Kc3 4. h5 Kd4 5. h6 Ke5 6. h7 Rb8 7. Kg5 Ke6 8. Kg6) 2. h4 (2. Kg4 $2 Kb3) 2... Kb3 (2... Rh3 3. Kg4) 3. h5 (3. Kg4 $2 Kc4) 3... Kc4 (3... Rh3 4. Kg4) 4. h6 (4. Kf5 {<or>} Kd5 5. h6 $1) 4... Kd5 5. Kf5 $1 (5. Kg5 $2 Ke6 $1 6. Kg6 Rg3+ 7. Kh7 Kf7) 5... Rh3 (5... Rf3+ 6. Kg6 Ke6 7. Kg7 $1) 6. Kg6 Ke6 7. Kg7 $1 (7. h7 $2 Rg3+) 7... Rg3+ 8. Kf8 $1 Rh3 9. Kg7 Ke7 10. h7 Rg3+ 11. Kh8 Kf7 1/2-1/2

[Event "238 sp.p Minerva-50 Sinf Scacchistich"] [Site ""] [Date "2012"] [Round ""] [White "Van der Heijden=H"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1k2rB2/6K1/2P1P3/8/8/8/8/8 w - - 0 1"] [PlyCount "15"] [EventDate "2012"] 
 1. Kf7 $1 (1. Bd6+ $2 Kc8 $1 2. Kf7 Rh8 (2... Rd8 $2 3. e7) 3. e7 Rh7+ 4. Ke6 Rh6+ 5. Kd5 Re6 $1 (5... Rh8 $2 6. Be5 Re8 7. Bf6 Kc7 8. Kc5 Rg8 9. Be5+ Kc8 10. Kd6 Rg6+ 11. Kd5 Rg8 12. Ke6 Re8 13. c7) 6. Kxe6 (6. c7 Rxe7 7. Bxe7 Kxc7)) 1... Rd8 (1... Rc8 2. Bd6+ Ka7 3. e7 Kb6 4. c7) 2. Bd6+ $1 (2. e7 $2 Rc8 $1 3. e8=Q Rxe8 4. Bd6+ (4. Kxe8 Kc7) 4... Kc8 $1 5. Kxe8) 2... Kc8 (2... Rxd6 3. e7 Kc7 4. e8=Q) 3. e7 (3. Be5 $2 Rd5 $1 4. Kf6 Rd8 $1 5. Kf7 Rd5) 3... Rh8 4. Be5 $1 ( 4. e8=Q+ $2 Rxe8 5. Kxe8) 4... Re8 $1 (4... Rh7+ 5. Bg7) 5. Bb8 $1 (5. Kxe8 $2) (5. Bf4 $2 Rxe7+ $1 6. Kxe7) (5. Bf6 $2 Rxe7+ $1 6. Kxe7 (6. Bxe7 Kc7) 6... Kc7 ) (5. c7 $2 Kd7) 5... Rh8 (5... Kxb8 6. Kxe8) 6. e8=Q+ (6. e8=R+ {<or>}) (6. Be5 $2 Re8 7. Bb8) (6. Kg7 $2 Re8 7. Kf7 Rh8) 6... Rxe8 7. Kxe8 Kxb8 8. Kd7 (8. Kd8 {<or>}) 1-0