### Use of Xs and Os for puzzles with 4 colors

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 Kylie Harman Viestejä: 39 Liittymispäivä: 5.2.2004 Use of Xs and Os for puzzles with 4 colors Vastaus 14.5.2007 7:15 The strategy for solving 3-color puzzles has been discussed in this forum quite a bit, but I haven't seen strategies for puzzles with 4 or more colors. I've also read some posts about not solving colored puzzles because of the complexity of the logic.When I am solving a 4-color puzzle, I use the Xs and Os with colors in the squares to allow for additional options. Here is how I indicate each possibility:No marks (default unknown squares): Can be any colorX with a color: Can be any color except the one shownO with a color: Can only be that color or blankColor/blank with no X/O: Known squareThis covers all possibilities for what is known about a square's coloring in a 4-color puzzle. It can be a little difficult to change from X to O, but I haven't seen puzzles where it is necessary to do that repeatedly.You can use a similar notation system for puzzles with more than 4 colors, but it won't cover every possibility. With the addition of the capability to use X and O in the same square it's possible to cover all possibilities for a 5-color puzzle, but the notations become more complicated as the number of possibilities increases. How do you all solve these puzzles? 0 (0 Ääniä)
 Dawn . Viestejä: 61 Liittymispäivä: 11.11.2006 Re: Use of Xs and Os for puzzles with 4 colors Vastaus 15.5.2007 1:02 vastaus kirjoittajalle Kylie Harman. HiWell to be honest with some amount of brain and eye strain - :scratch: I have been using this site for 6 months now and am in 2,182 position in points solving, however I have only just discovered XXX & ooo s. :oops: When i arrived on the site I didn't bother to read the 'how to' as i already new how from doing them in books. I recently saw on the forum people talking about XX & ooos so went to the manual and found how.I was doing an 'andreasss' puzzle and gave them a go and they were definately a great help so now i will try your method too - very useful - thank you. Freespirit 0 (0 Ääniä)
 Kim Eecloo Viestejä: 2 Liittymispäivä: 7.8.2005 Re: Use of Xs and Os for puzzles with 4 colors Vastaus 23.6.2007 12:28 vastaus kirjoittajalle Kylie Harman. ^^ no shame in that... I've been here for a year (well then I signed up) and I found out...today, tss shame on me 0 (0 Ääniä)
 Julie Viestejä: 11 Liittymispäivä: 20.12.2005 Re: Use of Xs and Os for puzzles with 4 colors Vastaus 13.11.2007 21:38 vastaus kirjoittajalle Kylie Harman. I just discovered the x's and o's as well but I can't seem to get them to work. Do they only work with puzzles with two colors? I tried the shift left click and it didn't work. I am not using the applet.I've gotten pretty good at solving puzzles however beyond 6 million points is too difficult for me. Any suggestions? 0 (0 Ääniä)
 Jelga . Moderator Viestejä: 1588 Liittymispäivä: 31.1.2004 Re: Use of Xs and Os for puzzles with 4 colors Vastaus 13.11.2007 22:50 vastaus kirjoittajalle Kylie Harman. Hi, The x's and o's should work with all puzzles, it doesn't depend on the number of colors. So it must be something on your side.Firstly, are you a pc or a Mac user? With my Mac, I never managed to get the X's, but the O's worked. On a pc, make sure you're Java is up-to-date. There is a link on the homepage where you can download the latest version. If that's not it, try the configuration of your mouse. Maybe you got some additional software that helps you changing the settings?If this doesn't help, give us some more info, like which mouse you are using.Jelga 0 (0 Ääniä)