Difficulty ★★★★★
Checkmate in 35 moves!
This checkmate problem is from a real position between Habu and Satou played 20 years ago. Satou played P-88+ and Habu started a 35 moves checkmate sequence!
▲4四角 △2三玉 ▲2五飛 !!! △同銀 ▲2四歩 △1三玉 ▲2三金 △同金 ▲同歩成 △同玉 ▲2四歩 △3四玉 ▲3五金 △4三玉 ▲5三角成(62)△3二玉 ▲2三歩成 △同玉 ▲2四金 △1二玉 ▲1一角成 △同玉 ▲1三香 △1二角 ▲4四馬 △2一玉 ▲1二香成 △同玉 ▲1三金 △同玉 ▲2二角 △1二玉 ▲2四桂 △2一玉 ▲1三桂
▲B-4d △K-2c ▲Rx2e !!! △Sx2e ▲P*2d △K-1c ▲G*2c △Gx2c ▲Px2c+ △Kx2c ▲P*2d △K-3d ▲G*3e △K-4c ▲Bx5c(62) △K-3b ▲P-2c+ △Kx2c ▲G-2d △K-1b ▲Sx1a+ △Kx1a ▲L*1c △B*1b ▲B+-4d △K-2a ▲Lx1b+ △Kx1b ▲G-1c △Kx1c ▲B*2b △K-1b ▲N-2d △K-2a ▲N*1c