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Sergey Karjakin vs Dmitry Jakovenko
ACP World Rapid Cup (2010), Odessa UKR, rd 4, May-29
Spanish Game: Berlin Defense (C65)  ·  1-0


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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 3 ·  Later Kibitzing>
May-30-10  MarvinTsai: why 40...f5 ?
Premium Chessgames Member
  Whitehat1963: Monday/Tuesday puzzle after 62...Rb8.
Premium Chessgames Member
  whiteshark: This is the way the <ACP World Rapid Cup (2010)> ended.
Jun-15-10  Formula7: White wins a piece with 63.Rxe5+ Kxe5 64.Bc7+ and 65.Bxb8. Time to check.
Jun-15-10  zooter: Too easy...

63.Rxe5+ Kxe5 64.Bc7+ wins

Premium Chessgames Member
  OBIT: Geez, 62...Rb8?? was played by a 2700 player? Two question marks don't do it justice.
Jun-15-10  Jason Frost: Too early after game for a puzzle
Jun-15-10  VincentL: "Easy".

63. Rxe5+ wins the bishop, since if black plays 63.....Kxe5 64. Bc7+ followed by 65. Bxb8, again leaving white a bishop (and pawn) up.

Time to check.

Premium Chessgames Member
  zenpharaohs: Time pressure is the only respectable explanation for a GM missing this.
Jun-15-10  VincentL: Could black have saved this game if he had not played the horrendous 62..... Rb8?? With same colour bishops, I think it would have been hard to prevent white promoting the c pawn.
Premium Chessgames Member
  wordfunph: 63.Rxe5+ Kxe5 64.Bc7+ and black's rook is dead meat..
Premium Chessgames Member
  lost in space: 63. Rxe5+ Kxe5 (else: black is down a piece) 64. Bc7+ K any move 65. Bxb8 and White is up a piece.
Jun-15-10  MiCrooks: cut him some slack guys...once again this was from a rapid game. Sad thing is that a move before instead of Rb7 it would seem that Bd6 would draw. Sure you don't want to let White connect his pawns, especially given that it is the wrong rook pawn for the Bishop, but I would think that any GM could draw that pawn down rook endgame in his sleep!
Premium Chessgames Member
  dzechiel: White to move (63?). White is up a pawn. "Easy."

Easy and straightforward it is. White wins a piece after

63 Rxe5+

as after

63...Kxe5 64 Bc7+ Kd5 65 Bxb8

leaves white up a bishop and a pawn. Time to check.

Jun-15-10  Stormbringer: I found this one much easier than yesterday's, which I also got. It's rare for me to get the Monday/Tuesday combo, so excuse me if I happily take this 'freebie'. :D
Jun-15-10  TheBish: Karjakin vs D Jakovenko, 2010

White to play (63.?) "Easy"

63. Rxe5+ Kxe5 64. Be5+ is a pretty basic tactic.

Premium Chessgames Member
  Once: It's Die Hard with a Bishop - the sequel that they didn't make.

Every chess player needs an instinct for danger. Spiderman had his spidey sense. Obiwan had the force. Just about every city cop who ever wisecracked through a TV series had his hunches (as did Quasimodo, but that's a different story). Columbo would mutter "There's something not quite right here." And John McClane has been a New York cop long enough to spot a fake ID when he sees one.

Here's today's position one move earlier. It's black to play, ignore his instincts and lose:

click for larger view

Instead of 62...Rb8, what should black's spideysense be telling him?

The first point to notice is that the Be5 can be captured by the white rook. At the moment, that's not a problem. But we should always be on the lookout for combinations starting with Rxe5. You could say that Rxe5 is the dog that didn't bark in the night.

The second thing to notice is that white has a dark squared bishop. This means that we should try to keep all of our pieces on white squares. That would effectively take the bishop out of the game. It would be as useless as the FBI outside the Nakatomi tower.

It's not exactly rocket science, nor even forensic science. If your opponent has a knight, watch out for forks. Don't put your pieces on squares that are a knight fork apart. If he has a bishop watch out for pins and skewers. If he has an advanced pawn in the endgame, watch out for breakthrough sacrifices. If he has taken hostages in a tower block containing a bank vault, watch out for him trying to steal the $600 million contained therein.

Okay, so this is a rapid game. We haven't got time to calculate. But that dark squared bishop has been on the board for the whole game. As you play through the game, notice that white has been careful to keep his rook mostly on white squares, to stay away from black's dark squared bishop.

The b8 square is on the same dark squared diagonal as the Be5. White has a dark squared bishop able to get to this diagonal and a rook poised to grab the Be5. White spotted this and took advantage. Black hadn't, and played into the tactic.

Hans Gruber: You know my name but who are you? Just another American who saw too many movies as a child? Another orphan of a bankrupt culture who thinks he's John Wayne? Rambo? Marshall Dillon?

John McClane: Was always kinda' partial to Roy Rogers actually. I really dig those sequined shirts.

Jun-15-10  zb2cr: 63. Rxe5+ wins a piece. See comments by <zooter>, <VincentL>, <Formula&>, <lost in space>, <wordfunph>, <dzechiel>, and <TheBish> for why this works.
Jun-15-10  ahmedjaser: " zenpharaohs: Time pressure is the only respectable explanation for a GM missing this. "

those words makes me speak after years of reading, i respect who respect others intelligence.

Jun-15-10  vodkaboris: Hans: The following people are to be released from their captors: In Northern Ireland, the seven members of the New Provo Front. In Canada, the five imprisoned leaders of Liberte de Quebec. In Sri Lanka, the nine members of the Asian Dawn movement... Karl: [mouthing silently] Asian Dawn?
Hans: [covers the radio] I read about them in Time magazine.
Jun-15-10  tarek1: <63.Rxe5+> wins a piece, for if <63...Kxe5> then <64.Bc7+> nabs the rook. 62...Rb8, what a blunder...
Jun-15-10  tarek1: Nice explanation <Once>
Jun-15-10  englishdave250: too easy
Premium Chessgames Member
  agb2002: White is a pawn ahead.

The alignment of the black pieces on a diagonal of the white bishop color suggests 63.Rxe5+:

A) 63... Rxe5 64.Bc7+ and 65.Bxb8 + - [B+P].

B) 63... Kf4 64.Bc7 Rb7 65.Rc5+ Ke4 66.Ba5 followed by 67.Kb4 and 68.Rxb5 + - [B+2P].

C) 63... Kd3 64.Rd5+ Ke4 65.Rc5 is similar to B.

Premium Chessgames Member
  gofer: I imagine black had just played Be5 or Ke4 either way their move has blundered them into losing after 62 moves... ...I imagine black was a little miffed...

63 Rxe5+ ...

63 ... Kd3/Kf3/Kf4
64 Kb4 winning the final pawn...

63 ... Kxe5
64 Bc7+ winning

Time to check...

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