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Sudoku Helper with Candidates Tip Handler

Author:hawe
Topic:Logic

Helpers potential candidates

click grid to see possible candidates
  • tip handler actualize after field input
  • select drop down list and input [←] or exclude [≠]
  • tip handler shows nacked/hidden single input [←]
  • [ → ] make a free text marker from drop down list
  • [ ? ] first init spy handler, spying else
  • alternative input in spreadsheet possible [Complete...] Input Reset Variables
  • input box: list input of a complete sudoku in one list - fill grid [ ↑ ]
  • display simple singles of row/col/block
  • Breakpoint: [Break⊙→] save, [←Break⊙] restore to test an alternativ/switch back to break point if a contradiction arises
  • filter {4} to identify hidden single, row 9, block 7, {6} row 5, block 8, {5} col 8
Lösungs-Methoden WaBis logical solution of {0, 5, 0, 1, 0, 0, 0, 6, 0, 0, 4, 0, 0, 8, 0, 9, 0, 0, 6, 0, 0, 9, 0, 0, 5, 0, 8, 5, 0, 0, 0, 0, 1, 7, 0, 0, 0, 1, 0, 5, 0, 8, 0, 4, 0, 0, 0, 8, 7, 0, 0, 0, 0, 3, 1, 0, 4, 0, 0, 7, 0, 0, 2, 0, 0, 5, 0, 6, 0, 0, 3, 0, 0, 2, 0, 0, 0, 4, 0, 7, 0} →□↓: {1,2}28 & {1,2}38 & {1,7}29 ==> {7}29 ==> {4]19 ==> {3}17 ==> {2}16 ==> {7}15 ==> {9}13 ==>{8}11 first row complete →□↓: {3}36 ==>{4}35 ==> {7}32 ==> {6}24 ==>{5}26 ==>only place in block {7}81 ==>{9}86 ==> {1}89 →□↓:{8}82 ==>{2}84 ==>{4}87 ==> only place in row {4}44 {8}48 in col {5}99 ==>{9}78 in col {2}57 {1]67 →□↓:{6}68 in row {6}59 ==>{9}49 in row {}53 in block {4}61 in row {2}21 {9}91 ==>{3}51 ==>{6}42 {2}43 {9}62 →□↓:{3}72 {6}93 {1}33 {3}23 {1}28 {2}38 {3}45 {9}55 {2}65 {5}75 {1}95 {8}74 {3}94 {6}77 {8}97 {6}66 →□↓: →□↓: →□↓: →□↓: Example Data in Sudoku.js solver Gelegentliche App Abbrüche -bei lang andauernden Sitzungen -nach drop down listen auswahl aussetzer nach eintrag im grid.

Solving with candidates handler

Solving with candidates handler
The ability to solve Sudoku puzzles is of great importance among Sudoku fans. There are two main strategy approaches. One is to determine the candidate directly and the other is to exclude certain candidates. Simple Sudokus can usually be solved intuitively and by concentrated searching. The two sufficient beginner techniques are explained under "Naked Single", "Hidden Single" and under "Naked/Hidden Pair". http://hodoku.sourceforge.net/en/tech_naked.php

Exclude Candidates with filter

Exclude Candidates with filter
Identify and remove [ ≠ ]candidates by rules of Es gibt diese Methode in den zwei Varianten Box/Line und Line/Box. In beiden Varianten können bis zu 6 Kandidaten gelöscht werden.

backtracking Solver

backtracking Solver

backtracking Solver

https://www.geogebra.org/m/k7euecmh

HoDoKo Java App

One of the best apps that describe and master pretty much all aspects of sudoku is HoDoKU Copyright © 2008-12 by Bernhard Hobiger HoDoKu ist eine Java App, benötigt eine Installation der Java Runtime Bibliothek. Das ist nicht jedermanns Sache - ich für meinen Teil hab eine Portable Java Runtime und einen Launcher für Java App auf einen USB Stick kopiert. JPortable Java Runtime jPortable Launcher App Starter Portable App schickt immer zuerst eine kleine Laderdatei, die den eigentlichen Download der App durchführt. Es ist darauf zu achten, das die Verzeichnisstruktur eingehalten wird. Die Java Runtime gehört nach
Drive:\CommonFiles\Java und der Launcher nach Drive:\JavaPortableLauncher 
E:\JavaPortableLauncher\JavaPortableLauncher.exe E:\HoDoKu\hodoku.exe
HoDoKo at work showing strategic steps to solve the Sudoku by logical reasoning
HoDoKo at work showing strategic steps to solve the Sudoku by logical reasoning

walter.bislins.ch

Javascript Sudoku Löser Sudoku lernenu und lösen mit der Sudoku-App

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