1. Sdc6? (2. Sxa6+) T~+!
1. Sf7! flight, thr. shortly (2. Sxa6+ Kc6 3. Lxd5+ Txd5#) 
1. - e3 (3. - Lxd5!)
2. Sd8!! retour, three flight-options, thr. now
(3. Lb6+ Kb5, best 4. De8+! Kxb4 5. Lxd4+! Ka5
6. Lc3+ Lxc3#; direct mate by battery-rear piece; 7. Kxd5??
3. - Kxb4 4. Lxd4+ 5. Lc3+)
2. - Lc3!
3. Tc7+ Kb5
4. Tc5+! Kxc5
5. Sb7+(!) Kb5
6. De2+! T~#
7. Db2??!

Introductory switchback-pendulum prepares battery-smashing virtual play, furthermore keeping knight d8 ready for hidden final obligation... 
Umnov-II-defence with stormy, 'paradoxical' result.
Spacious ambush-play of wQ.

Novel, varied perspectives in dealing with black S#-batteries, here additionally enriched by a sharp thematic attempt:
1. Lxd5?!, self-blocus thr. (2. Lb6+ Kb5 3. De8+ etc.) Lc3?
2. Tc7+! etc. However: 1. - a2!! → K-flightsquare a3...

Ohne Einschränkung KLASSE, bis hin zur wunderbaren Raumnutzung! (Erik Zierke)

Vgl. u. v. a. Die Schwalbe 2020, S#6