1.Jc1
Vxb5!?
[1...Kb1
2.Jb3
Vc3
3.Ja5+-
; 1...Vd5+!?
main line 2.Kc2
(2.Jd3?
Vxd3+
3.Kc2
Vd5=
) 2...Vc5+
3.Kd3
(3.Kd2?
Vxb5
4.c7
Vb2+
5.Kd1
Vc2!
6.Kxc2
pat) 3...Vxb5
4.c7
Vb8!
5.cxb8S!!
(5.cxb8D?
pat) ]
2.c7
Vd5+
[2...Vc5?
3.Jb3++-
]
3.Jd3!
Vxd3+
4.Kc2
Vd4!
5.c8V!!
[5.c8D?!
Vc4+!
6.Dxc4
pat]
5...Va4
6.Kb3!+-
*