WSomchai vs TsaiPoYu

WSomchai played Red and TsaiPoYu played Black in a rated rapid game at 10+0. Black wins by checkmate in 74 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.C2=5h8+7
2. 2.P7+1c8+4
3. 3.A6+5p7+1
4. 4.H2+1c2=5
5. 5.C8+5r9+2
6. 6.R1=2c8=5
7. 7.R2+8+c-2
8. 8.H8+7h2+3
9. 9.R9=8a4+5
10. 10.R8+4r1+2
11. 11.C8=5c5-2
12. 12.R2-4c5+5
13. 13.E3+5p1+1
14. 14.H7+6e7+5
15. 15.R8-1p5+1
16. 16.P1+1p9+1
17. 17.H1-3p3+1
18. 18.H6-4p5+1
19. 19.H3-1p7+1
20. 20.P3+1p1+1
21. 21.H4-6p9+1
22. 22.R2+2p1=2
23. 23.R8=4p3+1
24. 24.E5+7p5+1
25. 25.R4+3r1+4
26. 26.P3+1p9+1
27. 27.R4=7h3+5
28. 28.R2=4h5+3
29. 29.+E-9h7+5
30. 30.R7=6r9+3
31. 31.R6-1h5-3
32. 32.R4=7-h-4
33. 33.H1+2p9=8
34. 34.H2-1r9=6
35. 35.R7=2p5=4
36. 36.H6-4r6+3
37. 37.R6-1p8=7
38. 38.P3+1p2=3
39. 39.R6+4p3=2
40. 40.R2+2r6=9
41. 41.R6=5a6+5
42. 42.R2-8e5-7
43. 43.R2=3e3+5
44. 44.P3+1r1=2
45. 45.R3=2r2=1
46. 46.R2+8r9+1
47. 47.R2+1h4+3
48. 48.P3+1r9-4
49. 49.R2-4r1-3
50. 50.E7+5r9=6
51. 51.R2+2p7=6
52. 52.E9-7r6-2
53. 53.P3=4r1=4
54. 54.R2-2+h-5
55. 55.P4=3r4+2
56. 56.R2+4r4=5
57. 57.R2-8p4=5
58. 58.R2+1h3+4
59. 59.K5=6e5-3
60. 60.R2=1p2+1
61. 61.A5+6h5+3
62. 62.R1+7r5=4
63. 63.K6=5r4+2
64. 64.A4+5r4=3
65. 65.R1=3a5-6
66. 66.R3=1h3+4
67. 67.R1-1p6+1
68. 68.P3=4p6+1
69. 69.K5=6p6=5
70. 70.P4=5k5=4
71. 71.P5=6k4=5
72. 72.P6=7p2+1
73. 73.R1=5a6+5
74. 74.P7=8r6+6