What Is a Ghost Note ?

Consider pipes, especially from the Scottish tradition. You do not stop the notes, you just keep a long stream of breath, and in fact they developed means to keep the notes going while the piper breathes more normally, i.e. bagpipes. So the notes don't stop. Now, imagine the melody hitting one note over and over. In that styles, you don't have a way to stop the melody. Long tests to take a breath maybe but no quarter note rests. So, you play quick hits on other notes so that you can hit that note again.

That is the ghost note.

Strings don't with like that, so guitarists don't need to do it that often. The one thing that comes to mind is in chicken pickin', where you alternate a ghost note with a loud and clear note to get "bk-bawk!" sound.In researching this, I saw that some use it as a term for artificial harmonics. I prefer the Rev. Gibbons' term for those, which is "squealers"

What is a ghost note and how is it different than holding the previous note ?

·OTHER ANSWER:

What is a ghost note and how is it different than holding the previous note ?

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It's Your Turn ! (Renju)
requires PHPl.join).joinn); or just download them here·OTHER ANSWER:EDITS:Added link to the plain-text (multiple strings) test dataAdded BLANK,EDGE and TIE2 test cases (see Test Data section) (11/25)Updated the JSON test cases (some lines were ill-formatted) (11/24)Renju match gone bad ! (well, technically these guys are playing Go, but who cares) WikisourceTL;DRTake a 15x15 grid of characters (made of '.', '0' and '*'), as an input, replace one of '.' s with '*',in such a way that an unbroken horizontal, vertical or diagonal line of exactly five '*' chars is formed. * * * * * * ****** * * * * * * * * *Output the coordinates of your '*', or string - 'T' if there is no solution.Creating a line of more than 5 '*' long (directly or indirectly) is not allowed, this is called an "overline".Some examples of overlines: ****.** - replacing . with * will result in a horizontal overline *.*** - replacing . with * will result in a diagonal overline * * * * *Full VersionAbstractRenju - is an abstract strategy board game (a simpler version of it is also known as Gomoku).The game is played with black and white stones on a 1515 gridded Go board.Black plays first if white did not just win, and players alternate in placing a stone of their color on an empty intersection.The winner is the first player to get an unbroken row of five stones horizontally, vertically, or diagonally.Computer search by L. Victor Allis has shown that on a 1515 board, black wins with perfect play.This applies regardless of whether overlines are considered as wins.Renju eliminates the "Perfect Win" situation in Gomoku by adding special conditions for the first player (Black).(c) WikipediaObjectiveConsider you are a part of a Renju match, you are playing black, and there is just one turn left for you to win.Take the current board position as an input, identify one of the winning moves (if there is one), and output it (see below for the data formats and restrictions).Sample input board: A B C D E F G H J K L M N O P . - vacant spot (intersection) 15 . . . . . . . . . . . . . . . 15 0 - white stone 14 . . . . . . . . . . . . . . . 14 * - black stone 13 . . . . . . . . . . . . . . . 13 X - the winning move 12 . . . . . . . . . . . . . . . 12 11 . . . . . . . . . . . . . . . 11 10 . . . . . . . 0 . . . . . . . 10 9 . . . . . . . * . . . . . . . 9 8 . . . . . . . * . . . . . . . 8 7 . . . 0 . . . * . . . . . . . 7 6 . . . 0 0 . . * . . . . . . . 6 5 . . . . . . . X . . . . . . . 5 4 . . . . . . . . . . . . . . . 4 3 . . . . . . . . . . . . . . . 3 2 . . . . . . . . . . . . . . . 2 1 . . . . . . . . . . . . . . . 1 A B C D E F G H J K L M N O P(axis labels are for illustration purposes only and are not part of the input)Sample output:H5RulesFor the purpose of this challenge, only the following subset of Renju rules apply:You can place your stone on any vacant intersection (spot);Player who achieved an unbroken row of five stones horizontally, vertically, or diagonally, wins;Black (you) may not make a move which will result (directly or indirectly) in creation of an "overline" i.e. six or more black stones in a row.Data FormatsInput data is a 15x15 grid of characters (".","*","0"]), ASCII-encoded, in any acceptable format, e.g. a two-dimensional character array or a newline separated set of strings e.t.c.You may not however modify the input alphabet in any way.Output data is a string, denoting the alpha-numeric board position, as illustrated by the sample board above.Note that original horizontal axis numeration (A..P), does not include 'I', you MAY use 'A..O' instead, w/o penalty.If there is no winning move available, output "T" instead.ScoringThis is code-golf, so the shortest answer in bytes wins !Some Tests CasesTieInput: A B C D E F G H J K L M N O P 15 . . . . . . . . . . . . . . . 15 14 . . . . . . . . . . . . . . . 14 13 . . . . . . . . . . . . . . . 13 12 . . . . . . . . . . . . . . . 12 11 . . . . . . . . . . . . . . . 11 10 . . . . . . . 0 . . . . . . . 10 9 . . . . . . . * . . . . . . . 9 8 . . . . . . . * . . . . . . . 8 7 . . . 0 . . . * . . . . . . . 7 6 . . . 0 0 . . * . . . . . . . 6 5 . . . . . . . Z . . . . . . . 5 4 . . . . . . . * . . . . . . . 4 3 . . . . . . . . . . . . . . . 3 2 . . . . . . . . . . . . . . . 2 1 . . . . . . . . . . . . . . . 1 A B C D E F G H J K L M N O POutput: "T", the only "winning move" is H5 (denoted with "Z"), but that would create an overline H4-H9OverlineInput: A B C D E F G H J K L M N O P 15 . . . . . . . . . . . . . . . 15 14 . . . . . . . . . . . . . . . 14 13 . . . . . . . . . . . . . . . 13 12 . . . . . . . . . . . . . . . 12 11 . . . . . . . . . . . . . . . 11 10 . . . . . . . . . . . . . . . 10 9 . . . . . 0 . . . . 0 . . . . 9 8 . . 0 . . . . . . * 0 0 . . . 8 7 . . 0 . . . . . * . . 0 . . . 7 6 . . 0 * . 0 . * . . 0 0 . . . 6 5 . . 0 . * . * X * * * . . . . 5 4 . . . . . Z . . . . . . . . . 4 3 . . . . . . * . . . . . . . . 3 2 . . . . . . . * . . . . . . . 2 1 . . . . . . . . * . . . . . . 1 A B C D E F G H J K L M N O POutput: "H5", the other possible winning move is "F4", but that would result in J1-D6 diagonal overline.Multiple winning movesInput: A B C D E F G H J K L M N O P 15 . * * * . . * * * . . . . . . 15 14 . * . . . . . * . . * . . . . 14 13 . * . . . . . . . . . . . * . 13 12 . . . . . 0 0 0 0 0 0 0 . * . 12 11 . . . . 0 . . X . . . 0 . * * 11 10 . . . . 0 X * * * * X 0 . . * 10 9 . . . . 0 . . * . . . 0 . * * 9 8 . . . . 0 0 . * . . 0 0 . * . 8 7 . . . . . 0 . * . . 0 . . * . 7 6 . . . . . 0 . X . . 0 . . . . 6 5 . . . . . 0 0 0 0 0 0 . . . * 5 4 . . . . . . . . . . . . . . . 4 3 . . . . . . . . . . . . . . . 3 2 . . . . . . . . . . . . . . . 2 1 . . . . . . . . . . . . . . . 1 A B C D E F G H J K L M N O POutput:"H6" or "H11" or "F10" or "L10" (one of)Test DataThe test data in a bit more machine-friendly form (JSON) is available HEREAdded BLANK,EDGE and TIE2 test cases: UPDATED TEST SUITEYou can use the following JS snippet to convert it to multiline strings, if necessary:for(B in RENJU) console.log(B"n"RENJU[B].map(l>l.join).joinn); or just download them here
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