Recent posts

type	title	author	last post
Forum topic	Twenty-Nine QTM Moves Suffice 3 distance-26 positions by mdlazreg Maybe another subgroup by brac37 The known distance-26 position is the only one? by mdlazreg My congratualtion once more i by kociemba I just tried the subgroup (U, by rokicki Thanks, Bruce! It may well by rokicki Congrats! by Bruce Norskog	rokicki	06/01/2012 - 02:36
Forum topic	Twenty-Four puzzle, some observations 2xN case. Nx2 has Hamiltonian path by stannic some regularities in maximum WD values by stannic Optimal solver program by kociemba Both positions need 72 moves. by kociemba It's interesting by stannic Though the WD heuristic has w by kociemba It took me some time to write by kociemba Half-depth search by stannic 4x5 Last Row Permutation by stannic Anyone interested in the new by stannic Fringe by rokicki The set graph by stannic "Coset" solver for 15-puzzle by rokicki Yes, of course; in general, w by stannic 4x4 puzzle antipodes in STM by stannic Yep by rokicki Asymptotical bounds by stannic 24 puzzle new lower bound: 152 by rokicki Obvious error by rokicki Read Korf's paper by rokicki 80s solutions by stannic 2x6 and 80s by rokicki Oops by rokicki 0-terminated vs 0-based? by stannic Antipodes by rokicki Verified first 9 rows by rokicki Sorry if I've helped take thi by stannic Groups and Two-Phase technique by rokicki Typos by rokicki 2xN puzzles by stannic Next interesting sizes by stannic Results from Richard Korf (2008) by rokicki I believe you're correct; the by rokicki Right-hand turns by stannic Search for upper bounds for 5x5 in MTM by stannic lower bound 82s for 3x5 by stannic Lower bound is 80s by stannic Upper bounds by stannic WD "solver" by rokicki Bounds by rokicki Pattern databases by stannic Very nice! Thanks! by rokicki Confirmation for 5x4 by stannic Some corrections by stannic More walking distance values by rokicki Attempt to solve the 180 flip position in < 156 by rokicki I also calculated the 56 solu by rokicki Calculated as well by rokicki Verified up to depth 14 by stannic All optimal (STM) solutions for 5x5_90 by stannic clarify my definition of square root by Bruce Norskog Counts out to depth 24 by rokicki More square roots by rokicki Thanks for your explanation. by stannic square roots by Bruce Norskog Square roots of permutations? by stannic 148 done by rokicki 146 time by rokicki Of course you can stop your s by stannic Slow program by rokicki Great jump by stannic Done through 146; new bound is 148 by rokicki Note that the first antipode by Bruce Norskog Invert Distance by stannic multi-tile metric by stannic Done through 144; bound now 146 by rokicki Thanks for verification by stannic 180 degree flipped position by stannic Optimal 5x5 solver? by rokicki Verified by rokicki I've used the takaken solver by Bruce Norskog Very cool by rokicki WD 5x5, distribution by stannic Walking Distance by stannic Four-stage suboptimal solver by stannic	stannic	06/01/2012 - 02:29
Forum topic	Twenty-Five Random Cosets in the Quarter Turn Metric Well, thanks for your complim by brac37 Thanks again by mdlazreg estimate by brac37 28q!! by mdlazreg 0.77 of 20q? You forget parit by brac37 Wonderful Results by Jerry Bryan	rokicki	10/29/2010 - 07:37
Forum topic	Twenty-Five Moves Suffice QTM by rokicki Congratulations by mdlazreg (Blush) by rokicki Congratulations by Jerry Bryan	rokicki	10/29/2010 - 07:44
Forum topic	Twenty-Eight QTM Moves Suffice	rokicki	06/06/2014 - 09:48
Forum topic	Tripod Finish - optimal FTM analysis	Bruce Norskog	10/29/2010 - 07:37
Forum topic	Three Million Random Positions in the Quarter Turn and Half Turn Metric Sorry it was clear by secondmouse Actual values by rokicki Actual values by secondmouse Minor edit by rokicki	rokicki	06/10/2011 - 03:06
Forum topic	Three Million Positions in Four Metrics 10M more by rokicki Here you go by rokicki 16 ATM positions by Andrew Gould 16ATM positions? by Ben Whitmore I didn't realize that God's N by Jerry Bryan My largest machine has only 2 by rokicki Just an idle thought... by Paul Timmons	rokicki	05/23/2018 - 18:35
Forum topic	Thistlethwaite's 52-move algorithm I have not met Morwen face to by Jerry Bryan According to Morwen B. Thistl by jaap Nice topic, seems that people by silviu	jaap	10/29/2010 - 08:12
Forum topic	Thirty-Two QTM Moves Suffice	rokicki	06/17/2010 - 22:35
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