1手 checkmate

手順: 1.H8, 2.H9, 3.G9, 4.F10, 5.I10, 6.H10, 7.I11, 8.H11, 9.H12, 10.I12, 11.J13, 12.K11, 13.J10, 14.L11, 15.K10, 16.M11, 17.O11, 18.M10, 19.L10, 20.K9, 21.L9, 22.J9, 23.I9, 24.K8, 25.J7, 26.I7, 27.H6, 28.H7, 29.D11, 30.D12, 31.E11, 32.B11, 33.C11, 34.D8, 35.E6, 36.F6, 37.K6, 38.J5, 39.K5, 40.J4, 41.L6, 42.L5