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TheaN
Member since Mar-29-07 · Last seen Nov-23-09
<!CHESS PUZZLE LEAGUE!>

For those wondering. The CPL is in recess because of an animo I'm not very happy with: extremely low. With one try in the second to last, and none in the last week, the future is hopeless. Might get back to you with a forum variation, but not now. I'm reserving week 43's puzzle as the new starter.

<Profile>

<Name: Arno Middelkoop
Sex: Male
Birthdate: 29 May 1988 (21 y.o.)
KNSB (Koninklijke Nederlandse Schaakbond) rating as of February 2009: 1743>

My name is Arno Middelkoop and I live in the Netherlands. I'm currently twenty, 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 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.

In 2001 the location of the club changed, which I truly disliked. I made a fatal mistake: I quitted the club for three years, only to join back again in 2004. This was a blow to my growing carreer.

In 2008 my official KNSB/FIDE rating was 'only' 1663. It was ~1750 in 2006-2007, which I think is more accurate. I played horrible in 2006-2008 and I've learned a lot during summer 2007 and 2008. Now, anno 2009 from the February ratings list, I jumped up a respectable 80 points to 1743. Due to some terrible time forfeits and giveaways, my rating only REMAINED 1743, which could have been at least 1800 by now.

Besides chess I'm following a university course: Biomedical Sciences at the University of Leiden. Besides both chess and education I'm a Japanese RPG, Anime and Manga fan, although the latter two have been less and less occupying lately, both because of certain games and my increasing interest in chess. Also, my education is starting again, so those will both decrease as well.

I've started playing chess more, aside my club experience, on FICS. My handle is TheaN, and I usually play 1 8 Blitz. However, you could challenge me to Lightning, Standard, Atomic, Wild or Crazyhouse as you'd please, as I play them all. Would be nice to introduce yourself first in that case then. Also, posting on my user forum for a match is possible as well, of course.

On CG you'll find my posts at extraordinary persons/games/openings, as I'm no real fan of 'joining the club' at the popular stuff like recent tournaments, the cg challenge, etc. The only daily post (almost always) will be in the puzzle's game, usually more than two.

OPENING REPETOIRE

Refining. To be reposted in the future.

[Update: TheaN on 05-29-2009]

Chessgames.com Full Member
   Current net-worth: 1,014 chessbucks
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   TheaN has kibitzed 1154 times to chessgames   [more...]
   Nov-23-09 R Koemetter vs G Welling, 1995 (replies)
 
TheaN: 1/1 As many have pointed out, this may not be the best move to start the puzzle: after 18.Bf1? White is clearly lost, losing a lot of material aside the mating combination. However, consider CG makes this a Tuesday puzzle from move 18....? on. 18....Nh3† (maybe a bit because it ...
 
   Nov-20-09 H P Garcia vs R Ziatdinov, 1994 (replies)
 
TheaN: 4,5 Woah woah, I now see that my B variation is kinda shaky, 21....Ke7 is impossible, and after 21....Ke8 22.Nxh4 Rxh4 23.Re1†? Kf8 and White isn't winning back a Rook at all. Of course, spotting 23.Qxc6† then is not too difficult, but you should see it beforehand. One other quarter ...
 
   Nov-19-09 M Pavlovic vs G Cabrilo, 1991 (replies)
 
TheaN: <sfm: All these "resign-advocates" here! :-) I think I over time have won about 15% of positions some would have resigned, and drawn a similar number. (...) For those of us who play mistakes all the time (and that is anyone under GM level) finding resources in bad/lost positions ...
 
   Nov-18-09 Keres vs Verbac, 1933 (replies)
 
TheaN: 3/3 Odd how some people really went the wrong way with the discovered check or Knight checks. I didn't even consider them this time :). Weird play from Black, I mean, 11....Kf7?? isn't really necessary I guess?
 
   Nov-17-09 Vladislav Tkachiev
 
TheaN: ^although I smirked, they should so something about that. It's good for a laugh but it does continue the whole story. Which gives a lame aftermath a worse outcome, IMO. I think Tkachiev learned his lesson because the so well known story became public worldwide, I guess we'll never see
 
   Nov-17-09 L Van Vliet vs R Fenton, 1890
 
TheaN: Probably Monday, due to some sneaky alternatives it might be Tuesday worthy. But indeed, a very unusual puzzle move for an early in the week puzzle. In case CG will consider it, White is aiming at either: 20....Qxe7? 21.Bc4† Be6 22.Bxe6† (22.Qxe6† Qxe6 23.Bxe6‡ 1-0) Qxe6 23.Qxe6‡ 1-0 ...
 
   Nov-17-09 Richard Fenton
 
TheaN: <biglo>'s said quote is QotD. Weird statement. Can't really get his point.
 
   Nov-17-09 Mackenzie vs Steinitz, 1883 (replies)
 
TheaN: 2/2 Looks like it is the only winning line though. Steinitz' defense is weak, playing into the mate with 57....Kh7. I would've tried 57....Kg8. But alas, White played well. As stated, the seemingly better 56.Qf6?? probably backfires after 56....d1=Q† 57.Kh2 Qxg2†!. Never allow a ...
 
   Nov-16-09 L Mkrtchian vs V Golubenko, 2008 (replies)
 
TheaN: 1/1 Once again the Black options show that this doesn't really qualify as a Monday. I considered 43....Qxe7 but at that point it actually leads to major material loss because of the mate on e8 so I left it out, however, I missed 42....Qxe7 which is an obvious defense. I think even ...
 
   Nov-10-09 Stellwagen vs I Rees, 2009 (replies)
 
TheaN: 2/2 Just to clarify, the 22.Qxe6† 1-0 simply has to be 22.Qxe6‡ 1-0 ^^, used the wrong simple, I did see it was mate. Even without an immediate mate, Black would be toast though. About the game: although I cannot approve of Black's game, I'm flabbergasted at the fact that Black is ...
 
(replies) indicates a reply to the comment.

Kibitzer's Corner
Jul-11-08
Premium Chessgames Member
  TheaN: First kibitz for my own forum and I'll do it myself: a nice start to adress the cons of online play, FICS in this case.

I play pretty much everything on FICS, although I have not yet started Losers and Suicide. Today, I played two Atomic games against a certain user (I am just as nice to keep him anonymous), rated. He was estimated (E) so long gone user. He won with White, me not very good with Atomic blundered away a won position with a direct attack whilst my opponent had an indirect attack on my King. Boom, bad luck, and you lose a good game.

The second game I was White.... the game goes very shortly to a forced win to White:

1.Nf3 e6?? 2.Ne5 and Black disconnects, game ABORTED for too few moves! Of course I would've won with either 3.Nxd7‡‡ or 3.Nxf7‡‡! FICS admins probably can't retrieve it as its aborted, and thus the user abused the disconnection system to the most. I was really like: "you frikkin $)#&!@!)..." as it's just frikkin unfair to run away after you've just won one yourself.

I think something like this happens more with variants than with normal chess, but even then the game can be lost within 10 half moves (which is the mark for adjournment instead of abortion on FICS. I liked to share that, discuss it if you like.

Jul-19-08
Premium Chessgames Member
  TheaN: Second post, and I'd like to post a game that played today on FICS with some of my own annotiation. Correct me where there is better (engine analysis would be lovely); but I do like the sacrifice in it.

[Event "rated blitz match"]
[Site "Free Internet Chess Server"]
[Date "2008.07.20"]
[White "Pellemann"]
[Black "TheaN"]
[Result "0-1"]
[WhiteElo "1354"]
[BlackElo "1427"]
[ECO "C41"]
[TimeControl "60+8"]

<1. e4 e5 2. Nf3 d6>

I rarely play Philidor but against slightly lower rated players it usually creates some tactical chances. BTW, my own rating was ~1600 two days ago (7-17); yesterday (7-18) I really had an off-day dropping ~150 points.

<3. Bc4 Nf6>

To avoid some Legal traps, I know it's not theory (Nc6), but most players do not play Ng5 which seems very good for White.

<4. Nc3 Nc6 5. O-O Nxe4>

I don't know whether this is so good for Black but it seems to work in Blitz. The variation that challenges it is the one my opponent played.

<6. Bxf7+ Kxf7 7. Nxe4 Bg4>

Normally, d5 ought to increase Black's center but I thought it wasn't necessary just yet.

<8. h3 Bh5>

Oops... not that taking on f3 isn't that much better; Black is worse here.

<9. g4?!>

Nfg5†! seems to win for White.

<9....Bg6 10. Nfg5+ Ke8 11. d3 Be7>

Sacrifices a pawn in advance for an attack.

<12. Ne6 Qd7 13. Nxg7+?!>

I doubt the move.

<13....Kd8 14. Bg5 Kc8!>

Creating counter chances, Black threatens Bxg5 and Qxg7. I can't play it now because of Bxg5 Nxg5 Qxg7?? Ne6† .

<15. Bxe7 Qxe7 16. Nf5?>

Seems incorrect but thereby the pawngrab seems incorrect also. It opens the g-file: now the White King gets under pressure.

<16....Bxf5 17. gxf5 Rg8+>

Qh4 immediately fails to Qg4, dropping pressure after the Queen trade.

<18. Kh2>

Best move, protecting h3 in advance... Ng3 provokes Qh4 with the simple Kd7 Rg6 and Rad8 with a strong attack, and White pretty helpless to stop it.

<18....Qh4 19. Rg1>

Hm. There seems to be nothing better for White: playing f6 immediately at least slows Black down, though. Some analysis here would be nice.

<19....Kd7 20. f6?>

Too late, shows the continuation.

<20....Nd4!>

You'll see in a moment why.

<21. Rxg8??>

Preparing f7 which is actually a blunder: I have to admit I didn't see it in advance; now that I do know it, White should've played f7 immediately, where he might interpose Qf4† with Rg3. Not great for White, but it stops Black.

<21....Rxg8 22. f7?>

White, continuing unprepared, missed the combination.

<22....Qf4+ 23. Kh1>

Ng3 is no better, leading to Qxf2† 24.Kh1 Rxg3! .

Jul-19-08
Premium Chessgames Member
  TheaN: <23....Nf3!!>

And can be noted. White cannot promote with either of the four distinct possibilities. f8=N† is the only move with check, but then the King just moves. Anything else meets Qh2‡. Only Ng3 stops the mate, nonetheless, Black wins the Queen with another great move.

<24. Ng3 Rxg3!!>

I was surprised it works so good. White loses Ng3 and can't really help it: 25.f8=Q? (f8=N+ Ke8!) Rxh3† 26.Kg2 Rh2† 27.Kf1 Rh1†! 28.Kg2 (Ke2 Nd4‡) Qg4†! 29.Kxh1 Qh3‡, a pretty mate. 25.Qf1 meets Rg1†! 26.Qxg1 Nxg1 .

<25. fxg3 Qxg3>

And White is threatened with both Qh2‡ and Qxh3†, unavoidable without giving up the Queen.

<26. f8=N+>

It won't be there for long.

<26....Ke8 27. Qxf3 Qxf3+ 28. Kh2 Kxf8>

And Black wraps up. I kinda messed up the ending nonetheless, giving back Queen for Rook, but the h-pawn taken up inbetween was decisive for my King placement.

<29. Kg1 Qxh3 30. Rf1+ Kg7 31. Rf2 Kg6 32. Rg2+ Kf5 33. Rf2+ Kg4 34. Rg2+ Kf3 35. Rf2+ Kg3 36. Re2 Qg4>

How can I fall for it after such a combination...

<37. Rg2+ Kf3 38. Rxg4 Kxg4 39. Kg2 h5 40. c3 h4 41. c4 h3+ 42. Kh2 Kf3 43. Kxh3 Ke3>

And the rest is easy. Maybe not perfect but I won it pretty sound.

<44. Kg4 Kxd3 45. Kf3 Kxc4 46. Ke4 d5+ 47. Kxe5 d4 48. Ke4 d3 49. Ke3 a5 50. Kd2 Kd4 51. Kd1 Ke3 52. Ke1 c5 53. b3 b5 54. a3 c4 55. bxc4 bxc4 56. a4 c3 57. Kd1 c2+ 58. Kc1 d2+ 59. Kxc2 Ke2 60. Kb3 d1=Q+ 61. Kb2 Kd3 62. Ka3 Kc2 63. Ka2 Qb1+ 64. Ka3 Qb2# 0-1>

Jul-20-08
Premium Chessgames Member
  brankat: <TheaN> Hello there.

Based on the above analysis I'd say You seem to be a serious student of the game. It is good that You do annotate Your games, a good way to learn and progress further.

I've not really had a chance to go through the game, maybe in the next day or two. Then I'll post a comment here.

Good luck with Your forum.

Jul-20-08
Premium Chessgames Member
  TheaN: Thanks, but I don't annotate that often, tbh. I just like this tactical shot, and them in general, that's why I usually like the puzzles and the GOTD here as they involve such combinations.

I might start annotate more often later though: do take note that in tournament play I'm only ~1650, so without engine analysis my annotations might not always be that great :p.

Jul-26-08
Premium Chessgames Member
  johnlspouge: Hi, <TheaN>. I recall that a few days ago, you were trying to settle on an order to write down variations for presentation to others. As another "calculator", I agree that the problem is worthy of attention.

You suggested that the final variation should be "best play". The order has some merit, but it runs into a practical problem. It forces an explicit early calculation of inferior variations, which is alright, as long as you have not explored a long decision tree to arrive at the conclusion that the best play shows the original move does not work.

A solution might be to calculate superior variations first and then edit to put the variations in the reverse order, to give best play last. <dzechiel> (a model for us all, as usual) tends to give "best play" first (reflecting the calculation order I suggest), but his prose style is not based on explicit calculation.

My own presentations use an explicit decision tree (Bologan vs B Redon, 1994), so they present the "best play" discontinuously anyway, but I want to let you know that I am interested in the problem, and I have welcomed your occasional comments on it.

I enjoy your posts and I wish you further success on the puzzles.

Aug-14-08
Premium Chessgames Member
  yell0wd0g: On Steinitz vs Mongredien, 1862, you posted a question about ideas as white against <1.e4 d5 2.exd5 Qxd5 3.Nc3 Qg5?>. I think you're right that this move order is dubious but can't be fully refuted. I have encountered it myself at the club, and have had good games playing against the c7 square, which is left weak by the rambling queen. For one thing, an immediate 3. Nb5, which I'll admit looks pretty clumsy, starts presenting black with immediate problems-- how to protect c7 without either moving the king or moving the queen again. So, for example, ...Na6 4. Nf3 Qg6 5. d4 Nf6 6. Ne5 Qe4+ 7. Be2, and white seems to be having all the fun. or ... Qc5 4. d4 Qb6 5. Bf4 Na3 6. Bc4 and now f7 starts presenting problems. Good luck!

Aug-17-08   ravel5184: <TheaN: I have the answer ravel, but how are you going to keep my answer secret to others if I post it here?>

Tell me it right now and I will immediately delete it.

I know, it's a weird way of doing it, but it's the best I could do.

Aug-17-08   ravel5184: OK, answer acknowledged.
Aug-21-08
Premium Chessgames Member
  WarmasterKron: Another Atomic fan, I see. I probably play it more than I play regular chess, though I don't play on ICC or FICS.
Aug-25-08   ravel5184: <TheaN> I'm sorry, but there's a mate in 4 that you missed. Try again.
Sep-23-08
Premium Chessgames Member
  wasspwot: interesting repertoire - what do you play against the caro kann?
Sep-23-08
Premium Chessgames Member
  wasspwot: <1.Nf3 e6?? 2.Ne5>

did you miss some moves out? This doesnt seem won from what youve put (on your first post)

Sep-23-08
Premium Chessgames Member
  wasspwot: unless this is some strange chess variant?
Sep-23-08
Premium Chessgames Member
  TheaN: Yeah, it is a strange chess variant (it is specified clearly in that post): Atomic.

In short, any square where a capture takes place becomes ground zero, blowing up anything adjacent to it, including the king. After 1.Nf3 e6 2.Ne5, Black can't avoid seeing his King blow up.

<interesting repertoire - what do you play against the caro kann?>

Hm. Not quite clear to be honest: I rarely get to fight the Caro-Kann and Pirc, but I usually play 2.Nc3 and 3.Nf3 with a positional struggle: 1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Bf5? 5.Ng3 is very good for White, and I lost once bad with it as Black.

Sep-24-08
Premium Chessgames Member
  TheaN: Premium membership extended by a year. You are not yet rid of mr. The AN (which is actually the correct pronunciation of my name)....

NOW PEOPLE GO JOIN THE CHESS PUZZLE LEAGUE!

Nov-06-08   Woody Wood Pusher: Hi,

I had a look at the position you posted in Oll vs Shaked, 1997

I would just play 37.Rxh3,Qxh3 38.Kxh3,Rxf6 39.Qd8,Rf7 with a won game for white.

Somehow, I am not sure this is what you had in mind though.

Of course, 38.Rxh6+ is also possible but after 38...Qxh6 39.Rxh3,Qxh3+ 40.Kxh3 the position is about the same as the more simple line.

I don't have a computer so I may be wrong of course, any chance of a hint??

Cheers.

Nov-17-08
Premium Chessgames Member
  TheaN: You probably found it already: a bit later after my post I actually noticed Rxh3 also winning, but I was indeed looking at <Rxh6!?>. It is forcing enough, but somehow couldn't get my mind to Rxh3 while I was searching for the solution.
Dec-17-08   Ragh: <TheaN> Hello there.
Dec-25-08
Premium Chessgames Member
  TheaN: Hello <Ragh>. Congratz on winning the premium membership back. But the clue WAS easy... XD.
Apr-21-09   roni.chessman: Hi <TheaN>, I stumbled upon your profile by accident because of the anime icon you used for your avatar.

I think it would be awesome to play against someone a year younger than me in both blitz and standard.

My handle in FICS is <RoniChessman>. Give me and invite someone or I will do the same if that's alright with you.

Peace!

Oct-28-09
Premium Chessgames Member
  David2009: Arno, that was an amazing puzzle you posted S Shipov vs V Gagarin, 1994. – much neater than my effort. Cheers, David

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