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Sergey Karjakin vs Shakhriyar Mamedyarov
World Championship Candidates (2018), Berlin GER, rd 1, Mar-10
Spanish Game: Fianchetto Defense (C60)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 9 OF 9 ·  Later Kibitzing>
Mar-10-18  Olsonist: Trouble about pawns dictating is that there's a lot of pawns.
Mar-10-18  JimNorCal: Doubtless there's some twists and turns yet to go but surely we all agree this was not Karjakin's intention for his first White of the tournament. Ambitious and aggressive play today from Shakh.
Mar-10-18  Jack Kerouac: <olsonist> Only takes one. Right place, right time.
Mar-10-18
Premium Chessgames Member
  HeMateMe: I think if queens are swapped black's king will be out in front of his pawn with space, enough space to win the last white pawn and gain the opposition, a winning K + P ending for black.
Mar-10-18  morfishine: These crazy Queen endings end up with a zillion checks
Mar-10-18
Premium Chessgames Member
  MissScarlett: The live broadcast ended summarily. What happened? Was Judit missing dinner?
Mar-10-18  zanzibar: Must be close to the end now.
Mar-10-18  Ulhumbrus: 71...Qh4+! forces White's king to walk into a skewer and wins more quickly than winning the f pawn may win
Mar-10-18
Premium Chessgames Member
  whiteshark: Mame's on fire!
Mar-10-18
Premium Chessgames Member
  chessgames.com: Thanks to everybody for joining us today. Three decisive games and one nail-biting draw. Nice start!

For our American members, please note that you have to "spring forward" with daylight savings tonight, meaning round two will start at 10:00am USA/Eastern for you.

See you tomorrow!

Mar-10-18
Premium Chessgames Member
  Gypsy: Shark in the water
Mar-10-18
Premium Chessgames Member
  HeMateMe: After a game like this:

1) Tal would go out and get drunk;

2) Hou Yifan would go run five miles;

3) Grischuk would go online and destroy people in online poker;

4) kramnik would watch some Premier League football while nursing a glass of cognac;

5) Magnus would binge drink orange juice and get into the cartoon DVDs he brought with him;

6) Wesley So would check his notes, head for the chapel, and make a collect call to Susan Polgar.

Mar-10-18
Premium Chessgames Member
  Richard Taylor: Spring forward. We have that in NZ it is always massively confusing...I have no idea if that makes it better as we are on some time saving pattern so we are either an hour + or minus etc etc

It looks to me that these players are determined to play fighting chess I had assumed the first round would have a higher percent of draws.

Re dress, I have no "should", I don't own a suit, but for some reason I prefer seeing them well dressed. But it doesn't really matter. Probably the usual, smart-casual could apply leaving it up to reason for the players. For Fischer fans I think as a teenager winning the US Champs I recall seeing images of him, not scruffy, but casual in jeans etc, then he started wearing suits or was usually well dressed....Later of course he deteriorated...as we all do as we age...

Mar-10-18
Premium Chessgames Member
  chancho: Shakh got a very nice taste of Russian cuisine, but wouldn't you know it, he's looking forward to the next course, Armenian cuisine!

http://channel.nationalgeographic.c...

Mar-10-18  CountryGirl: It's easy to forget how good Mamedyarov is in the endgame. You have to have great nerves and accuracy to bring home a queen ending like this against tough opposition. This belongs in any best games book of Shakh.
Mar-10-18  pdxjjb: As an engine sees it, after being given substantial time to converge: The Q and pawns endgame started with an advantage for M., but SK had a chance to draw.

SK played inaccurately on moves 49 and 50, giving M a winning advantage.

M then blundered badly with 53 ... Qxe5+? (versus 53 ... b2!), throwing away his advantage completely and converting the position back to a probable draw.

Finally, SK did not recognize the importance of connecting K-side pawns with 58 f4 and played 58 Kg3?? which gave M. the final winning advantage.

Mar-10-18
Premium Chessgames Member
  An Englishman: Good Evening: My goodness, Mamedyarov found the win. An impressive achievement, sure to go into all the endgame manuals.
Mar-10-18  JPi: Mamedyarov tried to surprise his opponent from the opening and got what he wanted. Indeed 12.0-0-0 looks more challenging. After few moves Black got an easy game. An outside passed pawn and a safer King with Queens on the board usually gives an apparent tiny but a real permanent advantage. If the passed pawn can't be stop then it's over. As it was here.
Mar-10-18  ChessHigherCat: SF seems somewhat skeptical of Karjakin's best option after 71...Qh4+: 1) -132.75 (17 ply) 72.Kf1 Qh1+ 73.Ke2 Qh2+ 74.Kd3 Qxb2 75.f4 Qd4+ 76.Kxd4

According to the programmer's guide, the technical meaning of -132.75 is that even if you try to end it all by jumping out a window, your fall will be cushioned by a big pile of excrement and you will only manage to permanently cripple yourself.

Mar-10-18
Premium Chessgames Member
  keypusher:


click for larger view

50....g5 really impressed me. I don't usually think of opening up my own kingside when I'm trying to win a queen ending!

After 51.hxg5 hxg5 52.fxg5 Qe2+ 53.Kg3, 53....b2 is indeed stronger.

53.f4 Qd3+ or 54.Qb8 Qe1+ lose immediately for White. 54.Kf4 Qh2+ 55.Ke4 (55.Kg4 Qg1+) 55....b1/Q+! 56.Qxb1 Qh7+ is a nice skewer. So apparently White has nothing better than 55.e6 Qe5+ 56.Kg2 fxe6 with an ending that an engine can see is readily won, but it may not be so obvious to a human.

Mar-10-18
Premium Chessgames Member
  keypusher: It's also interesting how Black wins if White tries to defend against the skewer: 72.Kd1 Qh1+ 73.Kd2 Qg2+ 74.Kc1 Qf1+ 75.Kd2 Qf2+ and now 76.Kc1 Qe1 is mate, so the queen can't be saved.
Mar-10-18  ChessHigherCat: <keypusher: 50....g5 really impressed me. I don't usually think of opening up my own kingside when I'm trying to win a queen ending!>

g5 was counterintuitive because it opened up white's own kingside and undoubled black's pawn but not all of us missed it:

<NM JRousselle: Does g5 work? I know it looks crazy. The idea is to expose the W king.>

Mar-11-18  DonPepe: I thought 50...g5 was to weaken e5 pawn.
Mar-11-18  Ulhumbrus: After 12 Bxd4? White's king loses safety and perhaps this move passes any advantage to Black.

However according to Lasker one mistake is not enough to lose the game if a player is careful to not make a second mistake.

If 12 Bxd4 is White's first mistake the exchange 29 Rxb5? may be White's second mistake, as it enters a queen and pawn ending in which Black has a passed pawn, and in a queen and pawn ending a passed pawn acquires greatly increased value and importance.

This suggests that 29 Rxb5 increases greatly the value of Black's passed pawn.

Perhaps if White keeps rooks on the board this avoids increasing the value of Black's passed pawn.

Mar-26-18  PJs Studio: Queen and pawn endings. Like differential equations or Particle physics... not for mere mortals.
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