Unfortunately I can t find image upload button so I can t post screenshot

@yehu123u thank you for your help
Yellow to move, and force mate in 4-5 moves. It s indeed a forced mate I double checked.
Unfortunately I can t find image upload button so I can t post screenshot
Difficulty: Medium
PGN
1. h2-h3 .. b7-c7 .. g13-g12 .. m8-l8
2. Qg1-j4 .. Qa8-b7 .. j13-j11 .. Qn7-l9
3. Ne1-f3 .. Na10-c9 .. d13-d11 .. Nn5-l6
4. k2-k4 .. b4-d4 .. Qh14-e11 .. Ql9-h9
5. Qj4-j6 .. Na5-c6 .. Bf14-g13 .. Nn10-m8
6. Bi1-h2 .. Qb7-c8 .. Ne14-f12 .. m4-l4
7. Nj1-i3 .. d4-e4 .. Nj14-i12 .. m5-k5
8. Qj6-g3 .. e4xNf3 .. Qe11-e3 .. Qh9-h7
9. e2xf3 .. Ra4-d4 .. Qe3-e9 .. m11-k11
10. Qg3xl8 .. Qc8xQl8 .. Bg13xQl8 .. m7xBl8
11. Rd1-e1 .. b10-d10 .. Qe9-i9 .. Bn6-m5
12. Ni3-j5 .. Ba9xe13 .. Rd14-e14 .. O-O-O
13. Re1xBe13 .. Rd4xd2 .. Qi9-i10 .. Rn7-m7
14. Re13-e1 .. Rd2-d9 .. Re14-e6 .. Nl6xNj5
15. k4xNj5 .. Nc9xd11 .. Nf12xNd11 .. Qh7xNd11
16. Bh2xk5 .. d10-e10
Bi14xm10 .. l8-k8
17. Bk5xl4 .. e10-f10 .. Qi10xk8 .. Bm5xBl4
18. Rk1-k4 .. Rd9-g9 .. Re6xm6+ .. Rm7xRm6
19. Rk4xBl4 .. Ra11-a10 .. Qk8-l7 .. Bn9xBm10
20. Rl4-n4+ .. Rg9xg12+ .. h13xRg12 .. Kn6-m5
21. Rn4-n5+ .. Ra10-e10 .. Ql7-l5+ .. #Bi14xm10 .. l8-k8
17. Bk5xl4 .. e10-f10 .. Qi10xk8 .. Bm5xBl4
18. Rk1-k4 .. Rd9-g9 .. Re6xm6+ .. Rm7xRm6
19. Rk4xBl4 .. Ra11-a10 .. Qk8-l7 .. Bn9xBm10
20. Rl4-n4+ .. Rg9xg12+ .. h13xRg12 .. Kn6-m5
21. Rn4-n5+ .. Ra10-e10 .. Ql7-l5+ .. #
It's not in 4-5 moves, but maybe this could work
Also I think It's 2300+ puzzle
Yellow to move, and force mate in 4-5 moves. It s indeed a forced mate I double checked.
Unfortunately I can t find image upload button so I can t post screenshot
Difficulty: Medium
PGN
1. h2-h3 .. b7-c7 .. g13-g12 .. m8-l8
2. Qg1-j4 .. Qa8-b7 .. j13-j11 .. Qn7-l9
3. Ne1-f3 .. Na10-c9 .. d13-d11 .. Nn5-l6
4. k2-k4 .. b4-d4 .. Qh14-e11 .. Ql9-h9
5. Qj4-j6 .. Na5-c6 .. Bf14-g13 .. Nn10-m8
6. Bi1-h2 .. Qb7-c8 .. Ne14-f12 .. m4-l4
7. Nj1-i3 .. d4-e4 .. Nj14-i12 .. m5-k5
8. Qj6-g3 .. e4xNf3 .. Qe11-e3 .. Qh9-h7
9. e2xf3 .. Ra4-d4 .. Qe3-e9 .. m11-k11
10. Qg3xl8 .. Qc8xQl8 .. Bg13xQl8 .. m7xBl8
11. Rd1-e1 .. b10-d10 .. Qe9-i9 .. Bn6-m5
12. Ni3-j5 .. Ba9xe13 .. Rd14-e14 .. O-O-O
13. Re1xBe13 .. Rd4xd2 .. Qi9-i10 .. Rn7-m7
14. Re13-e1 .. Rd2-d9 .. Re14-e6 .. Nl6xNj5
15. k4xNj5 .. Nc9xd11 .. Nf12xNd11 .. Qh7xNd11
16. Bh2xk5 .. d10-e10