<p align="JUSTIFY" style="margin-bottom: 0in; font-style: normal; font-weight: normal;">1.Bb3 Sxc4+ 2.Ka4 cxb3#</p><p align="JUSTIFY" style="margin-bottom: 0in;">1.Sxb2+ c4 2.bxc4 b5# (MM)</p> <p align="JUSTIFY" style="margin-bottom: 0in;"> <br /> </p> <p align="JUSTIFY" style="margin-bottom: 0in;"> Active sacrifice (black, delayed)</p> <p align="LEFT" style="margin-bottom: 0in;">Active sacrifice (white)</p> <p align="LEFT" style="margin-bottom: 0in;">Allowing hideaway (B-W)</p> <p align="LEFT" style="margin-bottom: 0in;"> Allowing hideaway (W-B)</p> <p align="LEFT" style="margin-bottom: 0in;">Bi-valve (wP-wB-bB)</p> <p align="LEFT" style="margin-bottom: 0in;">Chumakov theme (bs, 2)</p> <p align="LEFT" style="margin-bottom: 0in;">Consecutive Umnov (B-W, sPpP, 2)</p> <p align="LEFT" style="margin-bottom: 0in;">JT Onkoud 50 theme</p> <p align="LEFT" style="margin-bottom: 0in;">Play on the same square (W1, 2)</p> <p align="LEFT" style="margin-bottom: 0in;">Reciprocal capture (wS/bS)</p> <p align="LEFT" style="margin-bottom: 0in;">Umnov mate (bP-wP)</p> <p align="LEFT" style="margin-bottom: 0in;">Battery mate</p> <p align="JUSTIFY" style="margin-bottom: 0in; font-style: normal; font-weight: normal;"> <br /> </p>