Dan Hoey's posts to rec.puzzles
| Date | Subject |
| March 29, 1989 | Weighing 5 balls |
| March 30, 1989 | Weighing 5 balls |
| December 20, 1989 | Old chestnut (spoiler) |
| December 21, 1989 | Old chestnut |
| April 3, 1990 | Pythagorean Problem (SPOILER) |
| May 18, 1990 | Palindromes (was Re: No rhyme or reason - word games ??!!) |
| August 30, 1990 | Rubik Cube Notation for > 3x3x3 |
| September 25, 1990 | Finite Automata puzzle |
| December 11, 1990 | Monty Hall problem: a precise statement |
| December 14, 1990 | Swimming pool riddle (SPOILER) |
| December 14, 1990 | Swimming pool riddle (SPOILER) (patch) |
| December 19, 1990 | A new and better digit puzzle |
| December 20, 1990 | Another 10-digit puzzle (no spoilers) |
| January 8, 1991 | An old Math Magazine problem (was Re: A mysterious shell script.) |
| January 10, 1991 | Numbers from 1 to 1,000,000 (corrected) |
| January 28, 1991 | Perfect numbers |
| February 19, 1991 | Correction to which kind |
| February 25, 1991 | CS problems with names |
| March 22, 1991 | Cross-sectional symmetry (was Re: Four ounces) |
| March 22, 1991 | seeing the trees for the forest (correction) |
| April 9, 1991 | Longest minimum path (was word tesselation) |
| April 9, 1991 | Palintuples |
| April 15, 1991 | Palintuples solution |
| April 15, 1991 | NPR Sunday Puzzler |
| May 8, 1991 | Name this property |
| May 14, 1991 | Optimal change and related trivia |
| May 16, 1991 | Optimal change and related trivia |
| July 10, 1991 | GAMES magazine |
| July 10, 1991 | Boxes with same volume and area |
| July 11, 1991 | Help on a Boolean logic problem |
| July 15, 1991 | Stamps spoiler: (was Chris? & Balls & Balances) |
| July 16, 1991 | NPR puzzle |
| July 22, 1991 | Placing tiles in a grid (was: Covering a grid with tiles) |
| July 24, 1991 | A Puzzling Catalyst (Spoiler, but the puzzle continues) |
| January 2, 1992 | Convergent/Divergent series |
| January 8, 1992 | Noughts and crosses |
| January 9, 1992 | Perfect numbers (was 2 things...) |
| February 12, 1992 | "the other is a girl" - a chance to read the rules |
| February 26, 1992 | Go-moku (renju) book. |
| March 27, 1992 | (different) Number puzzle |
| April 22, 1992 | Representing 4 with 7's (was Re: hmmmm) |
| April 23, 1992 | Counting down to 383, hints |
| April 23, 1992 | Rubik's Cube, Speed |
| May 5, 1992 | Counting down to 383, spoiler |
| May 8, 1992 | Triangle/Hexagon Area Ratio (corrected spoiler) |
| May 8, 1992 | Hypercube puzzle |
| May 20, 1992 | Solution of the Tiling Problem. |
| May 20, 1992 | Pseudoshuffle |
| May 20, 1992 | Extension to Perfect Squares |
| May 20, 1992 | Massive logic problem (FAQ, continued) |
| June 22, 1992 | CHOMP |
| July 14, 1992 | Chomp |
| July 17, 1992 | Unavoidable sets of congruences (was The Erdos kitty) |
| July 23, 1992 | Plane Division |
| July 25, 1992 | Digital Invariants (was Number Theory) |
| August 3, 1992 | Gummy Drop-bears (spoilers and discussion) |
| August 4, 1992 | sod.! (was a series problem and answer) |
| August 4, 1992 | Prime of concatenated primes (spoiler) |
| August 7, 1992 | Gummy Snipes (spoiler) |
| September 25, 1992 | Factorization puzzle (many more solutions) |
| October 7, 1992 | Wooden "Puzzles"... |
| October 16, 1992 | Results: Unfolding the tesseract |
| November 18, 1992 | Our favorite series |
| February 3, 1993 | an algorithm for determining the shortest Roman numeral string? |
| February 3, 1993 | word used as its own opposite |
| February 3, 1993 | word used as its own opposite |
| March 11, 1993 | Computer dating (was Re: Computer logic) |
| July 7, 1993 | Floor Tiling |
| July 8, 1993 | Tiling: The Conway Criterion |
| July 26, 1993 | Matching digits (was Re: A puzzle) |
| October 1, 1993 | Folding a strip of stamps |
| October 5, 1993 | Correction Re: Folding a strip of stamps |
| October 7, 1993 | Rare Vintage Whine [ Was Re: squares puzzle (no computer) ] |
| November 26, 1993 | Picking a tiling of the M*N rectangle with dominos |
| December 16, 1993 | Wanted: Rubik's Revenge |
| December 22, 1993 | The 4^3 and 3^4 Rubik puzzles (was Re: Wanted: Rubik's Revenge) |
| March 11, 1994 | More on Marilyn |
| April 8, 1994 | SUMMARY: card shuffling algorithms |
| May 3, 1994 | Digital Invariants (was Factorions) |
| May 17, 1994 | Geometric Construction Puzzle |
| June 22, 1994 | Kaprekar's process (was Re: Help! Pattern Driving Me Nuts!) |
| July 1, 1994 | Rubik Nightmare (a.k.a. Rubik's Revenge) |
| July 4, 1994 | Rubik Nightmare (a.k.a. Rubik's Revenge) |
| July 12, 1994 | COMMON DIVISORS |
| July 15, 1994 | A turn on the carouselsius (Re: Move one digit ...) |
| July 20, 1994 | Game analysis sought |
| August 26, 1994 | Tuition FEES |
| August 29, 1994 | filling the surface with 3,4,6-gons (spoiler and new puzzle) |
| August 29, 1994 | Q: What is FreeCell? |
| September 2, 1994 | physics/milk.and.coffee |
| September 16, 1994 | Instant Insanity |
| September 19, 1994 | POINT PUZZLE |
| September 19, 1994 | Painted cubes |
| September 19, 1994 | 4-D puzzles |
| September 23, 1994 | C puzzle |
| September 30, 1994 | An interesting riddle |
| September 30, 1994 | An interesting riddle |
| October 5, 1994 | The Money Pump Paradox |
| October 5, 1994 | 8 bishops puzzle from "The 7th Guest" |
| October 6, 1994 | Pudgiest Mobius band |
| October 11, 1994 | Pudgiest Mobius band |
| October 24, 1994 | Rubik's Cube impossible states |
| October 25, 1994 | Rubik's Cube impossible states |
| October 29, 1994 | Rubik's Cube impossible states |
| December 5, 1994 | number theory stuff |
| December 7, 1994 | Dogs Mead |
| December 8, 1994 | Dogs Mead |
| December 20, 1994 | Cube inside other cube |
| December 23, 1994 | Cutting up "nice" 3D objects |
| December 23, 1994 | Cutting up "nice" 3D objects (oops) |
| December 27, 1994 | Cutting up "nice" 3D objects (oops) |
| January 6, 1995 | Heading northwest |
| January 20, 1995 | WE puzzler for 1-15-95 [spoiler] |
| February 7, 1995 | What happened to POSH on NPR? |
| February 24, 1995 | Boodle Phil moiven? |
| March 7, 1995 | Triangle Puzzle |
| March 7, 1995 | Triangle Puzzle (spoiler) |
| March 7, 1995 | Sequence Problem |
| March 21, 1995 | Enigma's Puzzle 1 (SPOILER + quibble puzzle) |
| March 23, 1995 | Enigma's Puzzle 1 (SPOILER + quibble puzzle) |
| April 11, 1995 | Strings |
| April 20, 1995 | aba string problem |
| May 5, 1995 | partial spoiler Re: NPR puzzle for 4-30-95 |
| May 8, 1995 | An interesting Moebius band problem |
| May 12, 1995 | integral pythagorean theorem puzzle... |
| May 15, 1995 | More Number Puzzlers [ spoiler ] |
| June 21, 1995 | Washington Post on Statistics in Elementary School |
| June 26, 1995 | A cute counting problem <yaSPOILER> |
| July 5, 1995 | Rubik's cube size of data file |
| July 7, 1995 | NEW SORT METHOD!! FAST!!!!!! NEW?? |
| July 9, 1995 | Marlow's Units, Unit One - How? [SPOILER] |
| July 12, 1995 | Rubic's 2x2x2 3x3x3 4x4x4 ... nxnxn virtual cubes |
| July 19, 1995 | Silverman's South American Game |
| July 20, 1995 | tough math puzzle ! ? |
| July 20, 1995 | Cool: WH Smiths. Marvelous people |
| July 27, 1995 | angle trisection |
| September 11, 1995 | NPR puzzle for 9-10-95. |
| September 15, 1995 | In the Bag! (spoiler) |
| September 20, 1995 | cutting sticks - an algorithm? |
| September 21, 1995 | cutting sticks problem (puzzle) |
| October 29, 1995 | 4x4x4 Cube (Rubiks Revenge) Solution? |
| October 29, 1995 | Another Tetris puzzle |
| November 8, 1995 | WE puzzle for 11-5-95 (spoiler) |
| November 16, 1995 | Counting rectangles (Spoiler) (was Re: WE puzzle for 11-5-95) |
| November 17, 1995 | Palendromes |
| November 18, 1995 | Addition Problem |
| December 1, 1995 | Smallest dying "life" group? |
| December 2, 1995 | Floating Prism Problem[Spoiler?] |
| December 3, 1995 | Vanishing Leprechaun |
| December 4, 1995 | ASK MARILYN |
| December 7, 1995 | Dense plane-coverings in Conway's "life". |
| December 8, 1995 | ASK MARILYN |
| December 9, 1995 | ASK MARILYN |
| December 9, 1995 | Geoboard squares [spoiler] |
| December 10, 1995 | Checkerboard Problem [more spoilers] |
| December 10, 1995 | Checkerboard Problem [more spoilers] |
| January 9, 1996 | Help wanted for 25 piece cube |
| January 19, 1996 | Doh. Monty hall problem... |
| January 20, 1996 | a puzzle I got for christmas |
| January 22, 1996 | Shortest Electric Cord |
| January 26, 1996 | SPOILER to math puzzle 6 |
| February 2, 1996 | picture/design/engineering puzzle |
| February 4, 1996 | update to picture/design/engineering puzzle (corrected spoiler) |
| February 6, 1996 | update to picture/design/engineering puzzle (corrected spoiler) |
| March 8, 1996 | Solubility (was Re: FreeCell) |
| March 21, 1996 | NPR Sunday Puzzle for 17 March |
| March 26, 1996 | NPR puzzle for 3-24-96 |
| March 28, 1996 | Programs that output themselves |
| April 3, 1996 | REPOST - the 0-1 necklace puzzle. |
| April 9, 1996 | Geometry problem. |
| December 10, 1996 | Toe-Tac-Tic problem? |
| December 11, 1996 | Toe-Tac-Tic problem? |
| February 5, 1997 | Question about Rubik's Cube Spoiler |
| February 26, 1997 | Segment bisection with compass alone. |
| March 26, 1997 | You're all jealous!! |
| April 12, 1997 | Puzzle : Striking off sticks. |
| December 15, 1997 | How many points (9 different queens...) |
| January 11, 1998 | n-rooks problem , n-bishops problem |
| January 14, 1998 | n-rooks problem , n-bishops problem (rook spoiler) |
| January 16, 1998 | (Oh no!) Still more dice... |
| January 23, 1998 | Nontransitive dice [ repost ] |
| January 8, 2000 | Two Envelopes: One has twice as much money as the other . . . |
| January 22, 2000 | Any one have an apple? |
| July 10, 2000 | Mikero's brainwrenching grid puzzle #4 (June 29, 2000) |
| July 20, 2000 | Mikero's brainwrenching grid puzzle #4 (June 29, 2000) |
| August 4, 2000 | Puzzle: Guards |
| October 18, 2001 | The man in the park |
| November 16, 2001 | Painting a cube |
| March 22, 2003 | Hot Dogs and coin flips |
| June 18, 2003 | random tic-tac-toe |
| June 29, 2003 | four bottles |
| October 19, 2003 | That's a switch! |
| October 26, 2003 | R = PI ohms |
| October 28, 2003 | R = PI ohms |
| April 2, 2004 | How much is Alice worth to Bob? |
| December 12, 2007 | Kinda real-world puzzle |
| December 13, 2007 | Kinda real-world puzzle |
| December 13, 2007 | Uniform Distribution of Points on The Surface of a Sphere |
| December 20, 2007 | Enigma 1446 - Crossed words |
| February 5, 2008 | Enigma 1470 - Dicey dice |
| February 22, 2008 | Enigma 1474 - Nativity places |
| February 22, 2008 | 1 3760 (spoiler and worse) |
| March 11, 2008 | Bluffing Androids |
| March 11, 2008 | Poor men paradox |
| March 14, 2008 | Enigma 1475 - Lines of thought |
| March 17, 2008 | Enigma 1475 - Lines of thought |
| March 19, 2008 | SuDoKu |
| March 26, 2008 | Dear Friends, do you know this puzzle, his history and solution? |
| June 6, 2008 | Partition a square into rectangles |
| July 31, 2008 | Hound Catches Rabbit |
| July 31, 2008 | Chess - What's the most non-pawn pieces...? |
| August 7, 2008 | Enigma 1499 - Not quite right |
| August 10, 2008 | Planarity |
| August 10, 2008 | Enigma 1499 - Not quite right |
| August 15, 2008 | A puzzling bedside story |
| August 15, 2008 | A puzzling bedside story |
| August 18, 2008 | Jack Doing Whole Job |
| August 18, 2008 | Partition a square into rectangles |
| August 18, 2008 | Hound Catches Rabbit |
| August 19, 2008 | Hound Catches Rabbit |
| August 21, 2008 | Enigma 1501 - Five sets at Wimbledon |
| August 27, 2008 | (again ?) Skolem-like puzzle sequence |
| August 27, 2008 | Range of a two-variable polynomial |
| September 2, 2008 | Line-Segments In Circle Game |
| September 25, 2008 | Enigma 1505 - Brief N-counter |
| September 26, 2008 | Homework |
| September 30, 2008 | Wind Around Solitaire |
| September 30, 2008 | Wind Around Solitaire |
| October 1, 2008 | Wind Around Solitaire |
| October 4, 2008 | Enigma 1505 - Brief N-counter |
| November 16, 2008 | What power of 3 is closest to a whole number of millions? |
| November 17, 2008 | What power of 3 is closest to a whole number of millions? |
| September 10, 2009 | Sqzuaring the Circle |
| September 10, 2009 | Two numbers |
| September 13, 2009 | Two numbers |
| December 15, 2009 | Integer right triangles |
| March 1, 2011 | Uniqueness of fractional part of square roots. |
| March 18, 2011 | Yet another sequence |
| March 24, 2011 | One Through Nine, With Eight Missing, And Two Ones |
| March 24, 2011 | One Through Nine, With Eight Missing, And Two Ones |
| March 29, 2011 | One Through Nine, With Eight Missing, And Two Ones |
| March 30, 2011 | One Through Nine, With Eight Missing, And Two Ones |
| March 31, 2011 | One Through Nine, With Eight Missing, And Two Ones |
| August 3, 2011 | Sum Of Products, Number Of Numbers Game |
| August 9, 2011 | cotpi 16 - Chessboard of averages |
| August 16, 2011 | cotpi 17 - Pawns |
| August 19, 2011 | Enigma 1654 - Tricky cards |
| August 19, 2011 | Enigma 1654 - Tricky cards |
| August 22, 2011 | cotpi 17 - Product |