Das zweite Zvolen's

Ser-h = = 7

Zvolen's Chess

Sol. 1. f6 2. Kf7 3. Ke6 4. Kf5 (4. Kf6? would activate wPe5, and would be therefore a self-check) 5. Kg5 6. Kh5 7. g5, e6 = =