@misc{indiciae05902dd07332,
  title = {Computer program for finding mating combinations in chess.},
  author = {H A Simon and P A Simon},
  year = {1964},
  doi = {10.1002/bs.3830090212},
  url = {https://pubmed.ncbi.nlm.nih.gov/5888772/},
  note = {Source identifier: 5888772}
}