1. Kc2? – zz, 1... Ke3  2.Sf5# (A), 1... e3 (a) 2.Qf4# (B), 1... e:d3+ (b) 2.Q:d3#,  1... Kc4!

1. Qc1? – zz, 1... e3 (a)  2.Qc4#, 1... e:d3 (b) 2.Qf4# (B),  1... K:d3! (c)

1. Qe1? – zz,  1... K:d3 (c) 2.Rd5#, 1... e:d3 (b) 2.Qe5#,  1... e3! (a)

1. Ra5(b5)? – 2.Sf5# (A), 1... e3 (a) 2 Sf2#,  1... e:d3! (b)

1. Re5! – 2.Sf5#, 1... e:d3 (b) 2.Qa1#  (1... Ke3  2.Sf5#)

Anticrcitical moves + white correction  (1. Ra5/b5?, 1. Re5! )

Zagoruiko 2+2+1+2, Cyclic defense-refutation bc-ca-ab