White to move and win. This has a high difficulty level.
1B6/8/n1KPP1p1/4k1p1/6Q1/3p4/8/1q6 w - - 0 1
I have yet to fully convince myself this study is sound, but it is endlessly fascinating to me, and I want to know what the other readers think of it. I will later show my analysis once they have.
1.Bc7 Nb8+2.Bxb8 Qxb83.Qxg5+ Kxe64.Qxg6+ Ke55.Qg5+ Kd46.d7 Qa8+7.Kd6 Qb8+8.Ke7 Qc79.Ke8 Qb8+10.d8=Q+ Qxd8+11.Kxd8 Kc312.Qc1+ Kd413.Qd1It's a win for white.
1.Bc7 Qc1+2.Kb5 Nxc7+3.dxc7 d24.e7 Qb2+5.Qb4 Qxb4+6.Kxb4 d1=Q7.e8=Q+ Kf48.Qf7+ Kg39.c8=Q Qb1+10.Qb3+ Qxb3+11.Qxb3It's a win for white.
1.Bc7 Qc1+2.Kb5 Kd53.Qg2+ Kxe64.Qe4+ Kf75.Qd5+ Kg76.Ba5 d27.Qd4+ Kf78.Bxd2 Qf1+9.Kb6 Nb810.Qd5+ Kf811.Qa8 Qf2+12.Kb7 Qxd213.Qxb8+ Kg714.Qc7+ Kh615.d7 Qd5+16.Qc6 Qd417.Kc8 Qg418.Qh1+ Kg719.Qd5 Kh820.Kb7 Qb4+21.Kc6 Qc3+22.Qc5 Qf6+23.Qd6 Qc3+24.Kd5 Qb3+25.Ke5 Qe3+26.Kf6 Qf3+27.Ke7 Kg728.Qd4+ Kh729.d8=QIt's a win for white.
But I'm not sure that there is no variation leading to a draw.
The main line is 1. Bc7 Qc2! That is where the true beauty here lies- there are some amazing mutual zugzwang positions that arise.