Herb's user avatar
Herb's user avatar
Herb's user avatar
Herb
  • Member for 6 years, 10 months
  • Last seen this week
20 votes
3 answers
620 views

Help Black slide the blocks to solve this chess problem

  • 7,883
17 votes
5 answers
1k views

Lost my eyes - A riddle

  • 1,397
13 votes
4 answers
680 views

A Revered Monarch

  • 13.8k
13 votes
1 answer
343 views

Prime to Prime Sequel

  • 125k
10 votes
5 answers
1k views

Find the word with the highest normalized product of letter-prime values where A=2, B=3, C=5, ..., Z=101

  • 841
9 votes
7 answers
741 views

Recover book titles and suggest more books

  • 735
8 votes
9 answers
1k views

They don't know me at all

  • 1,418
8 votes
1 answer
699 views

Opposites can attract

  • 848
7 votes
2 answers
1k views

Prime to number conversion

  • 38.8k