The board / graph theory / #580
Erdős Problem #580
DECIDABLEdatabase updated 2025-10-23
Still open, but reduced to a finite computation: checking enough cases would settle it either way.
What the community database records, not our verdict. erdosproblems.com no longer shows statuses (why).
Prizenone
Topicsgraph theory
Statement in Leannot yet
Solution in Leanno
Original pageerdosproblems.com/580
Attempts
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The live page is still open (display badge “DECIDABLE”) and lists no current worker, but it lists 1 partial claimed proof—Rafik Zeraoulia’s claimed verification through \(n\le 19\), with a visible com
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