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Member since Mar-29-07 · Last seen Jun-06-16
<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 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 2139 times to chessgames   [more...]
   Dec-23-15 R Mamedov vs A R Saleh Salem, 2014 (replies)
TheaN: Interesting Wednesday, in the sense that after the first move, black has a very clear threat but also a hidden one. After 42....Rxd5, obviously pinning white to the defense (literally, for Pe4) as the rook cannot be taken and black threatens the obvious 43....Rd2+. However, it's the ...
   Dec-18-15 Kibitzer's Café (replies)
TheaN: It seems obvious 37 has something to do with genome building blocks, could also be a red herring though.
   Dec-17-15 M Karthikeyan vs Eljanov, 2014 (replies)
TheaN: <kevinatcausa: Jimfromprovidence: My instinct is no. White plays Kxg3 and plans to push the h pawn next turn.> Basic concept for white, yes, but straight away it doesn't work. 52....hxg3+ 53.Kxg3 Bxc3 54.h4? Be1+ . Not to ...
   Dec-14-15 T Krabbe vs Nieuwhuis, 1959 (replies)
TheaN: Want to get back to this variation 8 years after posting (my english back then, 'drawed' ugh). Thanks to Tim for actually replying to this well known game and Scotch gambit 'trap'): Apparantly best is 8.Bxg7!? on account of 8....Nb4? 9.Qe5! and now if black continues with 9....Nc2+ ...
   Nov-19-15 Sveshnikov vs J Stocek, 2000 (replies)
TheaN: <Jimfromprovidence> interesting alternative, a striking difference based on the opposite colored bishops. In fact, it's white's only other move that keeps the advantage. For what it matters, Rd7 is a forced mate too, yet 22 instead of 6 :).
   Oct-19-15 Vaganian vs A Planinc, 1975 (replies)
TheaN: Mind that in that variation, 24.Kb1?? is a blunder on white's part due to the perpetual 24....Bxd3+ 25.Ka2 Nc1+ 26.Ka1 Nb3+ 27.Ka2 Nc1+ 28.Ka1 1/2, but if anything 24.Kb1 just surrenders a piece for no reason.
   Sep-23-15 R Comstock vs T J Szczypka, 1982 (replies)
TheaN: An easy wednesday indeed, and it's more because this one just comes by as a chain of events than anything else. Difficult tactical positions generally have an 'eureka' move, either the initiator or somewhere midway: those that initiate with such a move are generally easier. This ...
   Sep-16-15 M Pyernik vs P Moulin, 1983 (replies)
TheaN: Hm, the rook lift never crossed my mind. Bad, in a sense that it didn't occur to me at all, good, in a sense that I believed in the power of a queen and knight. The aforementioned combination is the most tactical combination of two seperate pieces in the game: though a queen and rook ...
   Sep-15-15 Delchev vs Topalov, 2004 (replies)
TheaN: Interesting to consider 33....Bb5+ as 34....Rxf3+ still works even after 34.axb5. After 34.Kf2 however: 33....Bb5+ 34.Kf2 Rxf3+ 35.Nxf3 Nh3# is beautiful. [DIAGRAM]
   Sep-03-15 Svidler vs D Khismatullin, 2015 (replies)
TheaN: I too settled for 28....Qxb2+?!, foreseeing the mate if white captures and foreseeing the win if white moves to d1. However, I did not make the connection with keeping the white king on the queen side with 28....Qa1+! Difficult to say where this failure of vision occurs; I guess it's ...
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