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TOURNAMENT STANDINGS
US Championships Tournament

Hikaru Nakamura8/11(+5 -0 =6)[games]
Ray Robson7.5/11(+5 -1 =5)[games]
Wesley So6.5/11(+6 -4 =1)[games]
Alexander Onischuk6/11(+3 -2 =6)[games]
Varuzhan Akobian5.5/11(+3 -3 =5)[games]
Samuel Sevian5.5/11(+3 -3 =5)[games]
Gata Kamsky5.5/11(+2 -2 =7)[games]
Kayden W Troff5/11(+3 -4 =4)[games]
Samuel Shankland5/11(+1 -2 =8)[games]
Conrad Holt4.5/11(+4 -6 =1)[games]
Timur Gareyev4/11(+1 -4 =6)[games]
Daniel Naroditsky3/11(+1 -6 =4)[games]

Chessgames.com Chess Event Description
US Championships (2015)

Played in Saint Louis, USA 1-12 April 2015. Official site: https://uschesschamps.com/2015-us-c.... Crosstable:

1 2 3 4 5 6 7 8 9 0 1 2 1 Nakamura * 1 1 1 1 1 8 2 Robson * 1 0 1 1 1 1 7 3 So 0 * 1 0 1 0 1 1 0 1 1 6 4 Onischuk 0 0 * 1 1 1 6 =5 Sevian 1 0 * 0 1 1 0 5 =5 Kamsky 1 0 0 * 1 5 =5 Akobian 0 1 1 * 0 0 1 5 =8 Shankland 0 * 0 1 5 =8 Troff 0 0 0 0 1 * 1 1 5 10 Holt 0 0 1 0 0 1 1 0 * 1 0 4 11 Gareyev 0 0 1 0 0 * 4 12 Naroditsky 0 0 0 0 0 0 1 * 3

 page 1 of 3; games 1-25 of 66  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. C Holt vs Nakamura 0-1272015US ChampionshipsE90 King's Indian
2. W So vs D Naroditsky 1-0472015US ChampionshipsE20 Nimzo-Indian
3. Kamsky vs S Shankland ½-½302015US ChampionshipsD43 Queen's Gambit Declined Semi-Slav
4. Onischuk vs T Gareyev ½-½482015US ChampionshipsD27 Queen's Gambit Accepted, Classical
5. Robson vs K W Troff 1-0422015US ChampionshipsB90 Sicilian, Najdorf
6. Akobian vs S Sevian 1-0782015US ChampionshipsD85 Grunfeld
7. K W Troff vs D Naroditsky 1-0652015US ChampionshipsD39 Queen's Gambit Declined, Ragozin, Vienna Variation
8. T Gareyev vs C Holt 0-1612015US ChampionshipsD10 Queen's Gambit Declined Slav
9. S Sevian vs Kamsky ½-½582015US ChampionshipsC95 Ruy Lopez, Closed, Breyer
10. S Shankland vs W So 0-1922015US ChampionshipsC65 Ruy Lopez, Berlin Defense
11. Robson vs Onischuk ½-½312015US ChampionshipsC84 Ruy Lopez, Closed
12. Nakamura vs Akobian 1-0422015US ChampionshipsC10 French
13. Onischuk vs K W Troff ½-½582015US ChampionshipsD85 Grunfeld
14. Kamsky vs Nakamura ½-½602015US ChampionshipsA46 Queen's Pawn Game
15. D Naroditsky vs S Shankland ½-½372015US ChampionshipsD85 Grunfeld
16. Akobian vs T Gareyev ½-½352015US ChampionshipsA41 Queen's Pawn Game (with ...d6)
17. C Holt vs Robson 0-1362015US ChampionshipsD97 Grunfeld, Russian
18. W So vs S Sevian 0-1412015US ChampionshipsD45 Queen's Gambit Declined Semi-Slav
19. Onischuk vs C Holt ½-½702015US ChampionshipsD18 Queen's Gambit Declined Slav, Dutch
20. Nakamura vs W So ½-½562015US ChampionshipsD58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst
21. S Sevian vs D Naroditsky ½-½302015US ChampionshipsC89 Ruy Lopez, Marshall
22. K W Troff vs S Shankland ½-½302015US ChampionshipsE12 Queen's Indian
23. T Gareyev vs Kamsky ½-½442015US ChampionshipsB20 Sicilian
24. Robson vs Akobian ½-½272015US ChampionshipsC42 Petrov Defense
25. C Holt vs K W Troff 0-1482015US ChampionshipsD83 Grunfeld, Grunfeld Gambit
 page 1 of 3; games 1-25 of 66  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 63 OF 63 ·  Later Kibitzing>
Apr-16-15  Kinghunt: <HeMateMe> It's Toiletgate all over again, only for real this time!
Apr-16-15
Premium Chessgames Member
  chancho: Yeah, someone wiping their bottom while looking at a comp...
Apr-16-15
Premium Chessgames Member
  Appaz: <<chancho> Yeah, someone wiping their bottom while looking at a comp...>

Actually, that's quite normal these days. You have probably noticed the drastic decrease in the presence of paper media on toilets after the smart phone arrived.

Apr-16-15
Premium Chessgames Member
  alexmagnus: <ut of concern is the strict order of the implied rankings near cut off points, as even small rating perturbations may change such things as seeding or even who qualifies for an event and who does not.>

Not even that in most cases. After all, it's not a single rating, i's the <average> of 12 to 24 months that qualifies.

Apr-16-15  Kanatahodets: <schweigzwang: Maybe someone who is better with stats, convolution integrals, and Laplace transforms can give us an estimate of how many games &/or FIDE monthly rating lists need to go by before a 5-pt or 10-pt ELO blip has been rendered unnoticeable? I'm not saying that makes up for anything, but at some point the blip will have been dissipated (statistically--butterfly scenarios are another matter, of course).> I know very well, how convolution of two distributions look like:) But I usually by-passed applying the messy integral formulae - it's quite intractable. Instead I used expressions for the sum of known distributions. But I am sure that So just need an excellent performance at Gashimov and everything will be erased.
Apr-16-15
Premium Chessgames Member
  Tiggler: <Kanatahodets: <Tiggler: There are no winners, though. Akobian, Rich and US Chess got a real black eye out of this, and their penalty is only beginning.> Absolutely true. But Rich tried to defer responsibility to Mr. Guiadelupe. I am not sure about the role of the latter in all this fouled story. It's hard to believe that such an experienced arbiter had made such a blunder.>

Rich, who has the responsibilty, calls a wise mentor, OK, and gives him a quick summary of the situation as he sees it and asks for an opinion. Nothing wrong with that. But then later in public, he names the person he called, and uses that to justify his decision. Very low behavior.

Obviously if asked again in future, Guiardelupe should say "no comment", or perhaps: "my advice is that you should step down immediately and ask the organizers to send me plane tickets so that I can take your place."

Apr-16-15
Premium Chessgames Member
  diceman: <Gaioz Nigalidze, was caught cheating. He was using a smart phone that he'd hidden in the bathroom>

<Kinghunt: <HeMateMe> It's Toiletgate all over again, only for real this time!>

...wonder how many ply the toilet tissue was?

Apr-16-15  Absentee: <Tiggler: But then later in public, he names the person he called, and uses that to justify his decision. Very low behavior.>

?!

What's wrong with openly saying he consulted Franc Guadalupe? It wouldn't justify a decision or defer the responsibility in any way.

Apr-16-15  Shams: <Absentee> Did Rich say he merely consulted or did he imply that Guadalupe agreed with the course of action taken? If it's the latter I must agree with <Tiggler> that it is tacky and unprofessional behavior for Rich to say that. You can't have it both ways, either the buck stops at your desk or it doesn't.
Apr-16-15
Premium Chessgames Member
  Appaz: <<diceman> ...wonder how many ply the toilet tissue was?>

Isn't it custom in Dubai just to wash with water?

Apr-16-15
Premium Chessgames Member
  Tiggler: <schweigzwang: Maybe someone who is better with stats, convolution integrals, and Laplace transforms can give us an estimate of how many games &/or FIDE monthly rating lists need to go by before a 5-pt or 10-pt ELO blip has been rendered unnoticeable?>

<Gypsy: <(statistically--butterfly scenarios are another matter, of course)> Good way of saying/seeing it.>

The ELO rating method is a disturbance rejecting system, is it not?

Apr-16-15
Premium Chessgames Member
  Tiggler: <Absentee: <Tiggler: But then later in public, he names the person he called, and uses that to justify his decision. Very low behavior.>

?!

What's wrong with openly saying he consulted Franc Guadalupe? It wouldn't justify a decision or defer the responsibility in any way.>

What's wrong with it is that it is unlikely that Guadalupe expected to be named, after being privately asked for advice. He has no responsibility for the decision, so should not be implicated in it.

Apr-16-15  schweigzwang: Yes Tiggler it seems to be; I was just wondering how long the "relaxation time" is (some combination of games and integral months, it must be).
Apr-16-15  schweigzwang: On a separate topic but relevant to this page, does anyone know what the "special prizes" ended up being? I haven't found them on the official site.
Apr-16-15
Premium Chessgames Member
  diceman: <Appaz: <

<diceman> ...wonder how many ply the toilet tissue was?>

Isn't it custom in Dubai just to wash with water?>

...makes computer jokes more difficult.

Apr-16-15
Premium Chessgames Member
  Tiggler: <schweigzwang: Yes Tiggler it seems to be; I was just wondering how long the "relaxation time" is (some combination of games and integral months, it must be).>

I think you are asking about the eigenvalues of an Ornstein-Uhlenbeck process. But I am getting out of my depth: <gypsy> is the guru.

Apr-16-15  schweigzwang: ooooooooooooooo Tiggler thanks for the tip. Next time I have insomnia I'll know just what to read up on.
Apr-16-15  schweigzwang: Let's play "What If?"

What if Akobian and So had played and drawn? Assume that no other game results would change (no way to know this).

So: 5 more ELO points; $$$ and WC qualification unchanged.

Akobian: 5 fewer ELO points; a couple thousand dollars less in prize money, to be divided roughly equally among Kamsky, Sevian, Shankland, Troff ($500 to $700 each, more or less).

But what about the WC qualification for them all? If I understand correctly, Sevian and Kamsky are in and would still be; what about Akobian? Would he still be in?

If his tiebreaks were better than Shankland's and Troff's, then he would still be in. Shankland is in and still would be in any scenario, since he qualified in a different event. But if Troff's tiebreaks were better than Shankland's and Akobian's, Troff would be in instead of Akobian.

If Shankland's tie-breaks would be best, then I don't know whether the next spot would to the rating pool, or would go instead to whichever of Troff and Akobian had the better tie-breaks.

Apr-16-15
Premium Chessgames Member
  Tiggler: <what about Akobian? Would he still be in?> No, because there is a requirement to score at least 50%, regardless of the finishing order. Unfilled spots can arise, therefore. These go to the next player on the (global) average rating list.
Apr-16-15  schweigzwang: Oh yes the 50% rule. Good catch. But that means that Akobian isn't in fact "taking" a WC spot from anyone else here.

Therefore, the shenanigans (if we wish to consider it that) doesn't even have dire WC qualification ramifications. If someone got screwed, it's someone on the ratings list.

Apr-16-15
Premium Chessgames Member
  Tiggler: <schweigzwang> Makes it more likely that another federation will squawk about it. Same case for Sevian's qualification. Perhaps they will want to have the St. Louis Chess Club declared to be a crime scene, so they can send a forensic team.
Apr-16-15
Premium Chessgames Member
  tpstar: <wonder how many ply the toilet tissue was?> Brilliant.

He would have got away with it, if not for that stool pigeon.

Apr-17-15
Premium Chessgames Member
  Tiggler: He was playing the comode-o dragon.
Apr-19-15  MagnusVerMagnus: These are the reasons shaking with you left hand is.....AN INSULT
Nov-03-15
Premium Chessgames Member
  perfidious: <kummatmebro....(So-Akobian) is probably (Akobian's) most exciting win in his entire career.>

lmao--you may well be right about that!

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