a)

1.Rxf1 Bh4+ 2.Kf4 Rxf1# (MM)

1.Rxh1 Bf4+ 2.Kh4 Rxh1# (MM)

1.Rf4 Rfxg1 2.Rf5 Bxe5#

b)

1.R4g3 Bxf6+ 2.Kg4 Rh4#

1.Rh4 Rhxg1+ 2.Kh5 Rf5#

1.Kg6 Bh8 2.Rg5 Rxf6#

 

Cross (bR)

Zilahi (passive, RR, 2) × 2

Compass theme (South, 2-2, 4)

JT Onkoud 50 theme (multiple)

Sacrificial clearance (B-W) × 2

Active sacrifice (black, delayed) × 2

Reciprocal capture (bR/wR) × 2

Place exchange in the final positions (bicolor, Bk)

Play on the same square (W1, 2)

Model mate × 2

Battery mate