ItoSota vs SunKai

ItoSota played Red and SunKai played Black in a rated rapid game at 10+0. Black wins by checkmate in 78 moves.

The moves

Every move of the game in WXF notation, with Red's move first in each pair. The board above replays them one at a time.

1. 1.C8=5c2+1
2. 2.R9+2p1+1
3. 3.C2=3c8=5
4. 4.H2+1p1+1
5. 5.P9+1r9+1
6. 6.P1+1c5+4
7. 7.A6+5r9=2
8. 8.R1=2c2=1
9. 9.R9=7h8+9
10. 10.R7=8r1+1
11. 11.R2+3a4+5
12. 12.R2+2e3+5
13. 13.R2=4p3+1
14. 14.P3+1r2+6
15. 15.C3=8r1=4
16. 16.H8+7c5-2
17. 17.R4-2r4+7
18. 18.H7+5r4-3
19. 19.H1+3h2+3
20. 20.R4+2c5+3
21. 21.H3-5r4=1
22. 22.+H+6h3+4
23. 23.R4=6r1+4
24. 24.R6+1r1=3
25. 25.A5-6c1-1
26. 26.R6=7r3=2
27. 27.R7=8c1+7
28. 28.C8-1r2-1
29. 29.A6+5r2-5
30. 30.H5-3c1-7
31. 31.H3-1c1=4
32. 32.K5=6r2=1
33. 33.E3+5c4-1
34. 34.H1+2c4=3
35. 35.H2-4c3+1
36. 36.K6+1r1=4
37. 37.A5+6p5+1
38. 38.H4+2h9-7
39. 39.H2-4c3+4
40. 40.K6=5r4+3
41. 41.H4-2r4+1
42. 42.H2+1h7+6
43. 43.H1-3p5+1
44. 44.H3+2r4-3
45. 45.H2+3c3=6
46. 46.H3-5r4=5
47. 47.H5-7r5=8
48. 48.K5=6c6-1
49. 49.P3+1r8-4
50. 50.P3+1r8+8
51. 51.K6-1c6=2
52. 52.E5+7r8=9
53. 53.H7-8r9=3
54. 54.P3=4r3-3
55. 55.P1+1a5+6
56. 56.P1+1c2=1
57. 57.P4+1e5-3
58. 58.P4=5e3+5
59. 59.H8+7c1-4
60. 60.P1+1c1=3
61. 61.H7+9c3=1
62. 62.P1=2e5+7
63. 63.H9-8r3=2
64. 64.H8+6r2=7
65. 65.H6+4r7+4
66. 66.H4-2-e+5
67. 67.P2=3r7=8
68. 68.H2-4p3+1
69. 69.K6=5r8-4
70. 70.P3=4p3=4
71. 71.H4-2p4=3
72. 72.P4=5e7-5
73. 73.K5=6p3+1
74. 74.H2+1e5-3
75. 75.A4+5e3+1
76. 76.H1+2r8=4
77. 77.K6=5r4=7
78. 78.H2-1r7+4