All entries for Monday 07 November 2011

November 07, 2011

WSC '11 – update 3

Ok I’m now well fed and have now had my 9th variety of cake, and feel much the better for it. First some book-keeping.

David McNeill has complained that my blog posts haven’t been Sarcy enough so far, and Thomas Snyder has claimed that of the 4 Coll’s (Collins, Collison, Colloby, Collyer) forming the UK contingent, I am not his favourite. In lieu of these two facts I shall now make a heart-felt plea to Thomas, proclaiming my love of American football in a hope to rectify all this.

The 1st team round was an absolute monster, a big circular job on a table with 8 puzzle interlinked by a devilish wheels system which the UK team couldn’t really make heard or tail of, and anything we thought was right turned out to be flawed information. We may have got 1 of the 8 interlinked puzzles out, but I am not even confident about this. Oh well. I realise this description probably doesn’t shed much light on this puzzle but I don’t care. It is over and never needs to be though about ever again!

The 2nd team round was much better. A collection of 4 puzzles together with 32 pieces to be placed as givens in the grids, 8 pieces per puzzle. The particular grid I was given was very hard to deduce anything from, but the others (in case I’ve not introduced them yet – David M, David Collison and Michael Collins) steadily deduced things, which simplified things nicely and we finished with 10 minutes to spare. This marked the end of the afternoon’s puzzling and we headed straight to the bar for a beer. Which was cold, and beer-like. Magic. There’s now a pop-rock quiz, a la Jeopardy, about to happen, so this is probably all you’re going to get for today. No scores available, as of yet.


WSC '11 – update 2

Wowza – quite an afternoon.

Round 3 was, as previously advertised, the “easy classic”, where by easy you have things which could easily pass as Times fiendish. I made a very quick start but unfortunately broke a couple of the puzzles, and ended up leaving 5 of the 16 9×9 puzzles unfinished (although thankfully I got the 6 6×6 puzzles in the last few minutes). Chatting to Jason Z and Byron C this seemed to be a fairly solid, if not spectacular result.

Round 4 was the halved squares round. I feel a little bit annoyed as this was very finishable but managed to break an 8×8 example in pen, and then ended up with 3 minutes in the round to have a go at the 80 point 9×9 puzzle, which was much much easier than the example posted on this blog. Conceding at least 130 points to this round doesn’t feel like an accurate reflection of affairs, but I guess I have my own bad time management to blame here.

Round 5 was the final individual round of the day, with various grey squares in the middle with various constraints – for example various lines which spelled out sums and products for you to work out. Solid but unspectacular progress for me on this one as well with 7 of the 11 puzzles completed, and hopefully error free.

At the time of writing no score are available so I’m unaware to the extent of the collection of errors that I’ve doubtlessly made.

Right, I’m fairly exhausted and we’re about to go to dinner, so team rounds will have to come later. Here’s to the 7th variety of cake and beyond!


WSC '11 – update 1

So I’m a little conscious of having never gotten round to writing up a report for the Beijing sudoku tournament last May, so I’ve decided to try and proive quick updates as to what is happening in Eger as and when I get a spare moment to myself.

Travel (yesterday) was fun, but ended up arriving at Manchester airport in time for the flight, and minus much fingernail length. There was a lengthy wait on arrival at the airport in Budapest waiting for others to arrive, together with an even lengthier transfer from Budapest to Eger (go look it up), but in the end we arrived at the hotel safe and sound, meeting up with friends old and new.

The hotel itself is quite nice, although the room that I am sharing with puzzling veteran David McNeill can best be described as cosy – we’re talking a double room rather than a twin room. I had the pleasure of watching David solve in person the puzzle I posted on Friday, and as he toiled his way to the solution it was time to get some sleep.

On to today. There have been two rounds so far, and not a manually scribed digit made in anger. The first round we were presented with a booklet of 60 “puzzles”, except the grids had been filled out and you had to indicate whether they had been filled out correctly or not. This is easy when you spot an obvious error – but I have to confess to marking a few right which I wasn’t 100% confident on – I have a hard enough job spotting when my own grids are right let alone this variety of scripts, fonts, tallies, marks and so on. I wouldn’t call it a spectacular round for me, but I’m at least confident in all the puzzles I marked wrong.

Round two was a funny manipulative puzzle where digits were replaced by tiles with Hungarian landmarks – clues were printed on a rather large piece of paper with the idea being that the clues were all definitely wrong, but indicated that an edge-adjacent cell contained that picture. It sounds a bit of a nightmare, but I managed to get on a roll and finished the round with 7 minutes to spare, which is hopefully quite good. But yet it might be completely wrong – the problem with this puzzle being that each digit you placed then obscured some other clue so you can’t really see if you’ve contradicted yourself along the way. Fingers crossed eh?

Anyway, whatever. It’s hard to judge how things are going so far, especially given these first two rounds aren’t weighted very heavily in the grand scheme of things. On the other hand, all being well I have made a very solid start. The next round will involve some actual number placement (gasp) – a round of 22 easy classic puzzles and 45 minutes in which to solve them in. I suspect the Jakub O’s of this round might have this done in closer to 30 minutes, but I reckon this round is finishable for us mere mortals too, all being well. More to follow!


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Welcome to the blog of current UKPA sudoku champion, two-time Times national sudoku champion and general logic puzzle fan Tom Collyer.



Home of the original Friday Puzzles, each Friday I publish a 100% original and handmade logic puzzle, inspired by the world-famous Nikoli company.


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AkariFillominoHashiHeyawakeHitoriKakuroLITSMasyuNumberlinkNurikabeRipple EffectShikakuSlitherlinkSudokuSuraromuYajilin.

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Latest comments

  • I like the appearance of the solution. :P Nice one. by Prasanna Seshadri on this entry
  • I think I've seen something vaguely similar in some of Palmer's puzzles as well. To be honest I've a… by on this entry
  • That's two puzzles in a row where I find something I had used before. I know, not plagiarism; just g… by Bram on this entry
  • Kota, that's not really true. I had made my puzzle before going to the WPC already. Also I don't hav… by Bram on this entry
  • About 20 minutes, after restarting from a mistaken conclusion. by Bryce Herdt on this entry

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