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Member since Mar-29-07 · Last seen Jul-06-22
34yo Dutch male chess player with a KNSB rating of <1820> (per June 2022).

Nickname disclaimer: I've occasionally seen people abbreviate my nickname to Thea, but it's not from 'Thea N', it's from 'The aN', 'An' being an otherwise useless abbreviation to my first name. I go by a different nick nowadays, just use TheaN in full or call me Arno :>.

Where you find me here: I am almost always occupied on the daily puzzle, at least during the weekdays. Weekends tend to be above my level, though I occasionally get full weeks done.

Other interests are biology (sciences, teaching), gaming (WoW, DOOM, GTA, among others) and the occasional binge watch (few animes and RL shows like Stranger Things, assorti of stuff really).

[Update: TheaN in jun-2022]
[Disclaimer: for sake of privacy I've edited my profile a bit.]

   TheaN has kibitzed 3200 times to chessgames   [more...]
   Jul-06-22 D Kryakvin vs Evgeni Kuligin, 2008 (replies)
TheaN: <Brenin> explains the point and <saturn2> the followup of this puzzle in a very practical way. Qh6 cuts off f8 as defense whilst keeping the tension, among other things keeping e7 blocked, and threatening Nxf6+ with Bxh7+, followed by the typical light square mating ...
   Jul-05-22 Khmelnitsky vs Alburt, 1996 (replies)
TheaN: <25.Qd5+ Bxd5 26.Bxd5+ Re6 27.Bxe6#> is a take-out-the-defender tactic with x-ray motives, and makes seeing Qd5+ not that easy. Once you spot the potential though, it clicks instantly.
   Jul-04-22 Alekhine vs E Steiner, 1937 (replies)
TheaN: Oh also, <14.d6 Bxd6 15.Nf5 +-> is certainly a unique but useful Monday, and Steiner probably should have thrown the towel earlier.
   Jul-04-22 David Moody
TheaN: Only now does this fact reach me, and that's a bit saddening. One of the more informative contributors. Rest in peace David.
   Jul-03-22 E J Gausel vs S Briem, 1996 (replies)
TheaN: Yeah pretty sure the idea was supposed to be <16.Nxd5!>, as Black's forced to throw at least two pawns after <16....cxd5>. 16....Qxe5 follows the neat forced line 17.Ne7+ Kh8 18.Ng6+ hxg6 19.Qh3+, and now it's not mate, but 19....Kg8 20.dxe5 +-. 16....Nxb3, ...
   Jul-02-22 Shabalov vs I M Shliperman, 1995
TheaN: I wanted to play gxh6 straight away, but on instinct. It's just not enough, only a relatively minor advantage to Black, but of course luring a piece to g7 is key. I'd probably seen this if I'd taken my time, but my week was screwed up already.
   Jul-01-22 D Byrne vs G Kramer, 1954
TheaN: Or well, <33>....Qe7 34.Bxh5 +- sure, but of course Black should zwischenzug 33....Rxh2+ 34.Kg1, which I did, and then the queen's pinned after 34....Qe7 35.Bh5?? Qxg7 -+.
   Jun-30-22 O Ulvestad vs Ed. Lasker, 1947 (replies)
TheaN: <28.Qh5> puts mounting pressure on the Black king side, the point being 28....gxf4 29.Qxh6+ Ke8 (Kg8 30.Bh7+ #3), and here White has to watch out. In my short analysis I would play 30.Bc6? Qxc6! -+ because of back rank, but 30.Qh8+ Bf8 31.Ba3 +- is somewhat obvious on second ...
   Jun-28-22 NN vs F Rhine, 1977 (replies)
TheaN: Oh, thanks <Brenin>. I thought the pun just referenced the actual occasion of the game, but I'm not much of a Hitchcock expert so didn't get the movie reference. Very appropriate here indeed, great miniature <FSR>.
   Jun-28-22 M Palac vs Minasian, 1997 (replies)
TheaN: Lots of ways to Rome here, of which <31.Qxe8+ Kxe8 32.Nc7+ Kf8 33.Rd8#> is most decisive. As others have already pointed out, g4 wins, and so does 31.Nd7+ as Kg8 32.Nxe7+ Rxe7? 33.Qc8+ #2. What I have yet to see mentioned, rightfully so as it's the most bizarre move, is ...
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