PChai vs PhamQuang

PChai played Red and PhamQuang played Black in a rated rapid game at 15+10. Black wins by checkmate in 83 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=5a6+5
2. 2.H2+3p3+1
3. 3.R1+1h8+7
4. 4.R1=7c8+2
5. 5.P3+1h2+1
6. 6.H8+7c2=4
7. 7.H3+4e7+5
8. 8.R7=3c8=6
9. 9.R9+1r9=6
10. 10.R9=8c4+1
11. 11.C2=3r1=2
12. 12.P9+1r2+8
13. 13.R3=8c6=5
14. 14.C3+4r6+4
15. 15.C3=6r6+1
16. 16.C6+2p3+1
17. 17.C5+3p5+1
18. 18.P7+1h1+3
19. 19.C6-7k5=6
20. 20.C6=4r6=7
21. 21.E7+5r7+4
22. 22.C4+1r7-6
23. 23.R8+4h3-4
24. 24.A6+5r7=8
25. 25.E5+3r8+2
26. 26.H7+6k6=5
27. 27.H6-4r8-5
28. 28.P7+1r8+6
29. 29.H4+5h4+5
30. 30.C4=7r8+1
31. 31.C7+1r8=3
32. 32.C7+1h7+6
33. 33.R8-2h5+3
34. 34.R8=6r3+2
35. 35.A5-6r3-1
36. 36.A6+5e3+1
37. 37.E3-1e5-7
38. 38.R6=9h6+7
39. 39.R9-1h7-6
40. 40.R9+1h3-4
41. 41.P5+1h6-7
42. 42.C7=6h7+5
43. 43.R9=3e7+9
44. 44.R3=2r3-4
45. 45.P9+1r3+5
46. 46.A5-6e1-3
47. 47.C6-1r3-2
48. 48.C6=5h4+5
49. 49.P9=8+h-3
50. 50.C5+3a5+6
51. 51.C5=9r3=5
52. 52.A4+5r5-2
53. 53.C9+3r5=2
54. 54.R2=7r2=1
55. 55.C9-1a6-5
56. 56.R7+2r1-3
57. 57.A5+4k5=6
58. 58.P1+1h3+5
59. 59.A4-5h5+6
60. 60.K5=4r1-1
61. 61.R7-1k6=5
62. 62.P8+1h6-7
63. 63.R7=2a5-6
64. 64.P8=7r1+2
65. 65.P7=8r1+1
66. 66.R2=4a6+5
67. 67.P8+1h7+8
68. 68.R4+2h8-7
69. 69.R4-4r1=2
70. 70.P8=7h7+9
71. 71.P7=8r2+5
72. 72.R4+1r2-6
73. 73.K4=5h9-7
74. 74.R4+2e3+1
75. 75.R4-3r2-1
76. 76.A5-4r2+3
77. 77.A6+5a5+4
78. 78.R4=5+a-5
79. 79.R5=4e1+3
80. 80.R4=9h7+6
81. 81.E1-3r2+4
82. 82.A5-6h6+7
83. 83.K5+1r2-1