Sushkov theme
Dual avoidance in the threat.
Scheme:
1.X ~ 2.A (B??)
1.Y ~ 2.B (A??)
cyclic Sushkov
Scheme:
1.X ~ 2.A (B??)
1.Y ~ 2.B (C??)
1.Z ~ 2.C (A??)
complete Sushkov theme
Scheme:
*1…a 2.A, 1…b 2.B
1.X ~ 2.A (B??), 1…b 2.C, 1…x 2.B
1.Y ~ 2.B (A??), 1…a 2.D, 1…y 2.A
Parzuch, Stefan
Szachista, 2000
5th Prize
mate in 2 moves
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