Helpmates, h#3 chess problem
| Chess problem, published as an original in: Gravure 2020, 31.10.2020, Year: 2020. Uploaded on: 31.10.2020 10:32:02 Tags: Model mates, pin mate, Bi-valve (bR-wB-bB), Check avoidance (W-W), selfblock, self-unpin |
| Chess problem, published as an original in: Gravure 2020, 31.10.2020, Year: 2020. Uploaded on: 31.10.2020 10:32:02 Tags: Model mates, pin mate, Bi-valve (bR-wB-bB), Check avoidance (W-W), selfblock, self-unpin |