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TheaN
Member since Mar-29-07 · Last seen Apr-26-15
<Name: Arno Middelkoop
Sex: Male
Birthdate: 29 May 1988 (25 y.o.)
KNSB (Koninklijke Nederlandse Schaakbond) rating as of July 2013: 1805>

My name is Arno Middelkoop and I live in the Netherlands. I'm currently 25, 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 May 2013, my KNSB rating is 1805. In the past years my chess progression has been stagnant (from 1793 to just >1800 in two years), and definitely not as solid as I hoped it to be.

Besides chess I'm following a university course: Biomedical Sciences at the University of Leiden. As BSc I am now doing my final internship for MSc in epidemiology, doing research in orthopeadics.

Besides both chess and education 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, playing MoP now and my rogue Qoko (Europian Frostmane) is still ahead of the curve raiding wise.

Where you find me here: I am almost always occupied on the daily puzzle, as well as screening and sometimes posting on the GotD. However, aside liking to comment on less common games, I started to lurk the recent tournaments a bit more, refreshing my grandmaster chess knowledge.

[Update: TheaN on 08-07-2013]


   TheaN has kibitzed 2085 times to chessgames   [more...]
   Apr-23-15 R Altshuler vs K Messere, 1965 (replies)
 
TheaN: Kind of surprised I missed 29.Qe5+: I went for the slightly slower mate and would have probably captured on h8 if black didn't attempt 30....Rf8. Didn't really look at Re4 or a mate. Rest assured, Bf6+ wins in 7 instead of 4. These are the interesting optimilizations in my line B and ...
 
   Apr-22-15 Kamsky vs Karpov, 1996 (replies)
 
TheaN: Wednesday 22 April 2015 <29....?> Karpov cashes in the win by capturing white's defending bishops with <29....Rxd2! 30.Qxd2 Qf3+ 31.Kg1 Bh3> it's not yet mate because of <32.Be4 Qxe4 33.f3>. [DIAGRAM] The well described position. In this position I envisioned that ...
 
   Apr-22-15 Caruana vs A Giri, 2015 (replies)
 
TheaN: <MindCtrol9: IIs there something wrong with 24.Ra8 instead of the move played 24.Ad6? I would like someone tell me if I am wrong.> Instead of 24.Bd6 no. Caruana probably thought Giri would be in trouble after 24....Bxd6 25.Nxd6 Qd8?! 26.Ne4, without any real prospects for the ...
 
   Apr-21-15 Z Almasi vs Korchnoi, 1996 (replies)
 
TheaN: Tuesday 21 April 2015 <33.?> Definitely an easy Tuesday, white abuses the f8-h6 diagonal with a queen sacrifice (make up from yesterday?): <33.Qg7+ Rxg7 34.fxg7+ Kg8 35.gxf8=Q# 1-0>. That said, 33.Bg7+ is probably mate too and 33.Bxf8 should win as well, black's kingside ...
 
   Apr-21-15 E E Book vs A Hiidenheimo, 1925
 
TheaN: With the Vienna game being the opening of the day, I have to correct my own analysis from 2010: <TheaN: 10.Bb5?!> in reaction to 10.O-O-O+ Kc6 11.Bxd8 being the best move. I wrote down 10.Bb5+, but meant 11.Bb5+, as possibly being better than 11.Bxd8. It's not true. After ...
 
   Apr-20-15 Velimirovic vs I Susic, 1965 (replies)
 
TheaN: Monday 20 April 2015 <34.?> Okay this took me half a minute looking for a queen sac. After <34.Ng8+ Rxg8 35.Qf7# 1-0> a knight sac will do... I am disappoint. <abuzic: 22.Nf5 threat> Stockfish on infinite: 22.Nf5 +8 and indeed wins queen for rook indefinitely. ...
 
   Apr-15-15 Jessica Mendoza vs Javier Perez Meisegeier, 2005 (replies)
 
TheaN: I slipped up after 25.f3 pretty quickly: 26....cxb4 is definitely not best, and 27....Qd7? is a blunder because of 28.Qf6! forcing black to give back the exchange. I will still consider this solved, cause OTB I would have put more time after 25.f3 Bxf1 26.Rxf1 to find the best moves ...
 
   Apr-14-15 Parma vs Stein, 1965 (replies)
 
TheaN: Not sure if 35.Bh6! is required to solve this puzzle, inclined to say it is. After 35.Rxf8+?! Kg7, white's advantage is just +2, after Bh6 it easily goes up to +4 or more, generally an easier win. My variation B is slightly inferior though because I make things way too hard after ...
 
   Apr-13-15 S Sevian vs C Holt, 2015 (replies)
 
TheaN: 27.Nf5! takes a while to sink in for the engines, but after they acknowledge 28.e6! it's down and out. Also winning, perhaps even madder than 27.Nf5 is 27.Kd2! instead of Ke2. Point is that after 27....Qg7 28.Rh1 b2 29.Nf5! b1=Q 30.Rh7!! mates in 11: [DIAGRAM] because black has no ...
 
   Apr-13-15 Miles vs J Franco Jimenez, 1994 (replies)
 
TheaN: Monday 13 April 2015 <25.?> Miles mates with <25.Ng6+ hxg6 26.Qh4# 1-0>. Not much to it, black got baited into removing the defender of g6. <Once> interesting proposition. Would have loved to do that, were it not I'm looking at a master degree graduation in the next ...
 
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