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| Crazy Lock designed by Christoph Lohe |
This time there are 3 main puzzles in the campaign plus there are 3 add-on
puzzles (ones already on the PuzzleMaster store) which can be added to your
pledge to get a bit of a discount.
The next puzzle for me to play with was the Fortress of Shadows burr (also by Christoph) it is quite diminutive (1.75 x 1.25 x 1.25") but beautifully made with gold coloured burr pieces trapped inside a black anodised castle with 4 turrets. These turrets very much limited the movements of the pieces. I spent another 2 weeks working on this one. You can see everything that is going on inside but it is still a hugely difficult challenge with level 30.1.2 as the pieces move back and forth progressively making space to allow the first piece out. It looked familiar to me but I couldn't place it properly. I did go back and check my photo database and realised that Pelikan had produced a different version of the puzzle 5 years ago (called Castle) which I had reviewed here - that one had not been terribly difficult but this version is a significant advance in difficulty.
The first one I tried was the Crazy Lock. It's a burr in the shape of a lock
- I can't resist burrs, I have a passing fondness for locks and a burr lock
is irresistible to me - in fact I have quite a lot of them now. I wasn't
disappointed and neither will you be - it is great.
The box states that it is level 8 on the PM 5 to 10 scale and I actually
think it should be rated a bit higher at 9. I significantly struggled to
dismantle it. The design was made by the late Christoph Lohe and was
originally published as Burlock E.
I have actually
solved Burrlock E many many years ago
when I bought it from Eric Fuller (he also adored Christoph's designs and
always produced great challenges). Way back then I described it as a serious
challenge for mere mortal puzzlers like me and it is still that. With a
level of 26.2.3.2.2, this has a really significant difficulty to it. It took
me about a week to dismantle it and then I was unable to assemble again
without Burrtools. Creating the file was a bit of a challenge but at least I
was finally able to put it back together again. For those of you who are
burr assembly experts, there is an alternative assembly
(level 26.3.3.2.2 which has the key hosizontally in the lock at the
end. Double the challenge for one puzzle.
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| Burrlock E from Cubic Dissection (2017) |
The next puzzle for me to play with was the Fortress of Shadows burr (also by Christoph) it is quite diminutive (1.75 x 1.25 x 1.25") but beautifully made with gold coloured burr pieces trapped inside a black anodised castle with 4 turrets. These turrets very much limited the movements of the pieces. I spent another 2 weeks working on this one. You can see everything that is going on inside but it is still a hugely difficult challenge with level 30.1.2 as the pieces move back and forth progressively making space to allow the first piece out. It looked familiar to me but I couldn't place it properly. I did go back and check my photo database and realised that Pelikan had produced a different version of the puzzle 5 years ago (called Castle) which I had reviewed here - that one had not been terribly difficult but this version is a significant advance in difficulty.
I would be very impressed by anyone who could assemble it from scratch but I
definitely needed a Burrtools file and this was a fun one to make and follow
in reverse to fully assembled.
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| The original Castle by Christoph - similar but different to the Fortress of Shadows |
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| Twisted Logic by Yavuz Demirrhan |
I recalled that this one had been incredibly difficult. There are 4 identical
board burrs that gradually extend apart and then sequentially line up the exit
points to allow removal of pieces. I found it very confusing to work on and
this is not made easier by the need to prevent the pieces rotating. I don't
think there are any rotational shortcuts but it needs you to keep the pieces
aligned to move them around safely. It's quite fun to explore but I would
suggest that you use a back and forth approach to make sure that you know what
you have done as it's easy to get lost. At one point I had the pieces quite
extended apart from each other and in a dead end and struggled to return to
the beginning. The rather low solution level of 16.4.6 would sort of imply
that it shouldn't be too hard but don't be fooled - it is a huge challenge to
move around, control the pieces and keep track. The solution is really not
obvious.
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I will return next week with a review of the add-on puzzles from the Kickstarter campaign - this is definitely well worth inverting in. They are great challenges, beautifully made and an amazing price.








