1.Qd4! Ke7
[ 1.Kd7 2.Qa4+ Qc6 3.Qg4+ +- ]
2.Qe3+ Kf7 3.Qe8+ Kg7 4.Ne6+ Kh7 5.Qf7+(or Qe7+) Kh6 6.Qf8+ Kh7 7.Qxf6
Kg8 8.Qf8+
[ 8.Ng5? Qd5! = ]
[ 8.Kc7? Qc2+ 9.Kd8 Qg2 = ]
8...Kh7 9.Qe7+ Kh8 10.Qh4+ Kg8 11.Qf6 Qg4
[ 11...d5(or Qg3) 12.Ng5 +- ]
[ 11...Qg1 12.Qd8+ Kf7 13.Ng5+ Kg6 14.Qe8+ Kh6 15.Qh8+ Kg6 16.Qh7+ +- ]
12.Kc7!
[ 12.Kc8? d5! = ]
12...Qc4+
[ 12...d5 13.Ng5 +- ]
13.Kd8 Qg4 14.Ng5!
[ 14.Ke7? Qg2! = ]
14...Qh5 15.Kd7!
[ 15.Ke7? Qe2+ 16.Ne6 Qg2! 17.Qf7+ Kh8 18.Qf4 Kg8 19.Kf6 Qb2+ = ]
15...Qg4+ 16.Kc7 Qh5 17.Kd8 d5 18.Kd7!
[ 18.Ke7? Qe2+ 19.Ne6 Qg4! 20.Qf7+ Kh8 21.Kf8 Qb4+ = ]
18...Qg4+ 19.Kc7 Qh5 20.Kd8 d4 21.Ke7! Qe2+ 22.Ne6 Qg2
[ 22...Qg4 23.Qf7+ Kh8 24.Kf8 +- ]
23.Qf8+ Kh7 24.Qf4 Kg8 25.Kf6 +-
'Triangle' by wQ and triangles by wK
