1.Qg1!
[1.Qc5?
Bg7+
2.Ke8
Qe4+
3.Qe7
Qxe7+
4.Kxe7
Nxc6+
5.Kd6
Nd8
/d5=] 1...Nxc6
2.Qc1+!
[Thematic try 2.Qh1+?
Now bK faster leaves from a dangerous zone - 2...Kg5!
(not 2...Kg6?
3.Qxc6+
Bf6
main line) 3.Qxc6
Bf6
4.Qe6
Qa3+
5.Kg8
Qg3!
6.f8N!
(bK on g5)=: and easy draw:6...Kf4+
(also 6...Bd8=
) 7.Kf7
Qg7+
8.Ke8
( bK on f4) 8...Qh8=
; try 2.Qh2+?
this move gives the chance to the bK occupy faourable square f5 - 2...Kg5
/g6 3.Qg2+
Kf5!
4.Qxc6
Bf6
(bK on f5) 5.Qg2
Qd6+
6.Kg8
Be7!
7.Qg7
Qd5
/e6 8.Kh7
Qd6!
9.Qh6
Qc7!
10.Qg6+
Kf4!
11.Qd3
Kg5!
12.Kg7
Qd8=
] 2...Kh7
[2...Kg6
3.Qxc6+
main line] 3.Qh1+!
[3.Qxc6?
Qa3+
/Bg7+=] 3...Kg6
4.Qxc6+
Bf6!
( bK on g6) 5.Qe6!
[5.Qg2+?
Kh6
6.Qg4
Qd6+
7.Kg8
Be7
8.Qg7+
Kh5=
; 5.Kg8?
Qg3!
6.d8Q
(6.f8N+?
Kf5+-+
) ..Kh5+!
(6...Kf5+?
7.Kf8
Bxd8
8.Ke8
Qe1+
9.Kxd8+-
) 7.Kf8
Bxd8=
] 5...Qa3+
6.Kg8
Qg3!
7.f8N+!
( bK on g6) [try 7.d8Q?
Kh5+!
(7...Kh6+?
8.Kf8+-
) 8.Kf8
Bxd8
9.Ke8
Be7!
10.Kxe7
(10.Qxe7
Qb8+
11.Qd8
Qe5+=
; 10.Qf5+
Kh6
11.Kxe7
Qa3+=
) 10...Qh4+
11.Kf8
(11.Qf6
Qb4+
12.Qd6
Qe4+
positional draw) 1...Qd4!
(11...Qb4+?
12.Kg8+-
) 12.Kg8
Qg1+
13.Kh7
Qb1+
14.Kg8
Qg1+
positional draw] 7...Kh6+
8.Kf7
Qg7+
9.Ke8
( bK on h6)win: 9...Qg5
10.Qh3++-
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