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TheaN
Member since Mar-29-07 · Last seen Jun-10-21
<Name: Arno Middelkoop
Sex: Male
Birthdate: 29 May 1988 (27 y.o.)
KNSB (Koninklijke Nederlandse Schaakbond) rating as of November 2015: 1793>

My name is Arno Middelkoop and I live in the Netherlands. I'm currently 27, and I've been playing this wonderful game from the age of seven.

In that year, 1995, I joined the local chessclub here in Zoetermeer, Botwinnik. I enjoyed playing with fellow novice yooth players, and I intended to become a better player than most of them and did that. Even so, in the six years to come I probably only reached an official rating ~1500, not being active in any external competition.

As of November 2015, my KNSB rating is 1793. In the last two years my chess progression has been stagnant, now I'm trying to improve openings and getting a solid tactical vision. I started playing on Chess.com under the name Qoko, yet I'm still somewhat rusty in Blitz (only ~1550).

Me outsidei of chess: I'm a graduated Biomedical Scientist at the University of Leiden, with a speciality in epidemiology, still looking for a PhD. I'm a Japanese RPG, Anime and Manga fan, although it has been less and less occupying the last years: I enjoy the franchise more than actually being an addict. I (still) have a general addiction for World of Warcraft yet I have been playing much less the last year.

Where you find me here: I am almost always occupied on the daily puzzle, although I do not post as often lately.

[Update: TheaN on dec-2015]


   TheaN has kibitzed 2897 times to chessgames   [more...]
   Jun-10-21 Y Gutop vs A Kuindzhy, 1977 (replies)
 
TheaN: Oh, oops, 31....Kf8 does not follow 32.Qh8# as the queen's on f6, I was already a few moves in. Sloppy, but reviewing after Black moves the king and 32.Rxe7 is straightforward, though 32.Ne6+ also wins. Mainly 32.Rxe7 Rxe7 33.Rxe7 and now 33....Qxe7 does in fact drop defense of h8, ...
 
   Jun-09-21 M Yilmazyerli vs B Erbis, 2011 (replies)
 
TheaN: <20.Rxe7 ±> is somewhat straightforward given 20....Rxe7 21.Qxf6 +- is just hell; rook's in, h6 is in and the entire king side just tumbles over. I missed 20....Qc5 which will temper White's combo because the queen's pinned. White's a lot better, though, and I'm not ...
 
   Jun-08-21 E Hansen vs Maximiliano Perez, 2012 (replies)
 
TheaN: <47.Bxg7+ Rxg7 48.Qd8+ Rg8 49.Qf6+ Rg7 50.Rd8+ Qf8 51.Rxf8#> if 48....Qf8, Qxf8-f6 and the rook will mate on move 51 instead. Dark square domination.
 
   Jun-07-21 Khalifman vs V Popov, 1997 (replies)
 
TheaN: <33.Qxe8> and it's done, because one Black piece is taken and another is pinned. Because 33....Rxe8 34.Nc7#, Black will have to find a magic way out, but there are a few pitfalls that I did not all consider. 33....Qc6, protecting c7, but after 34.Ra1+ and mate soon. 33....Qa5 ...
 
   Jun-03-21 Chandler vs C Crouch, 1995 (replies)
 
TheaN: <HeMateMe: Does R-d2+ also win? Dionysius1: What are you thinking of after 30...♖d2+ 31. ♔xd2 ?> Considered 30....Rd2+ briefly, but what does it accomplish? The point with starting moves in a combination is that they open up something, or deflect/lure a piece based ...
 
   Jun-02-21 Smagin vs N Vlassov, 1995 (replies)
 
TheaN: This is Tuesday at best, given <25....Rxg3+ 26.hxg3 Qxg3+ 27.Kh1 Qf3+> is completely forced. Now whatever the response, it follows Be5+, Rg8+ and B/RxQ with mate in three, for example <28.Kh2 Be5+ 29.Kg1 Rg8 30.Qg6 Rxg6#>
 
   Jun-01-21 Yusupov vs Gavrikov, 1982 (replies)
 
TheaN: <39.Rxg7+ Kxg7 40.d6 e4 41.d7 Rd5 42.d8Q Rxd8 43.Bxd8 +-> and White has a won ending even in the circumstance that he has to play gxh at some point.
 
   May-26-21 I Ibragimov vs Brodsky, 1991 (replies)
 
TheaN: The moment I eventually did spot <54.Bd5+ Kxh7 55. Re7+ Kh8 56.g6 +-> I kind of forgot that 54....Kh8 is a serious alternative. White needs 55.Rh1! else the combo still fails. I had seen this in combinations involving an early Nf6 (which don't work) but forgot to analyze it now.
 
   May-25-21 M Yilmaz vs B Erbis, 2011 (replies)
 
TheaN: <30.Rxh6+ Bxh6 (Kg8 31.Rxh8+ Bxh8 32.Qh5 #2) 31.Qh5 #3> and mate to follow. Not that tough, but spotting the control over f7 and g6 are vital.
 
   May-24-21 Knaak vs Adorjan, 1985 (replies)
 
TheaN: Honestly these kind of combinations should be what a Monday should be. More recently have we been treated on pretty complex positions with a fast knockout, but still pretty far fetched. <21.Rh8+ Kxh8 22.Qh5+ Kg8 23.Qh7#>. This pattern is crucial to know. The fact that the queen ...
 
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