| LC control no. | sh 96008922 |
|---|---|
| LC classification | GV1451.3 |
| Topical heading | Helpmate (Chess) |
| See also | Chess problems |
| Found in | Work cat.: 96-166172: Top helpmates, 1995. Ox. companion chess (Helpmate, a type of problem invented by Max Lange in 1854; black gets himself checkmated, helping white to this end) The Batsford chess encyclopedia (Helpmate, a problem where both sides cooperate to mate the black king) |
| Not found in | Hennepin |
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