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Peter Heine Nielsen vs Sergey Karjakin
"Tactics 101" (game of the day Apr-28-2022)
Corus Group B (2005), Wijk aan Zee NED, rd 12, Jan-29
Semi-Slav Defense: Anti-Moscow Gambit (D44)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Dec-09-05  babakova: I dont blame Heine... Horsies move strangely.
Jan-01-09  WhiteRook48: what a blunder!!! And <babakova> do you mean "I don't blame Sergey" because HE fell for the "hanging rook" thing
Feb-21-09  WhiteRook48: ever thought about hanging a rook?
Feb-22-09  WhiteRook48: oh, it Nielsen was not going to take the rook anyway? Did it take him long to find 101. Nxa1?
Mar-09-09  WhiteRook48: this game is just crazy
Apr-07-09  Augalv: Even future world champions blunder :P
Apr-08-09
Premium Chessgames Member
  whiteshark: ...even if they won't become it. :D
Apr-25-09  WhiteRook48: 101...Kg3# wins
May-01-09
Premium Chessgames Member
  whiteshark: how creative...
May-01-09
Premium Chessgames Member
  whiteshark: ... and interesting ...
May-01-09
Premium Chessgames Member
  whiteshark: ...and stupid...
May-01-09
Premium Chessgames Member
  whiteshark: ...disappointing but unsurprising ...
May-01-09
Premium Chessgames Member
  whiteshark: ... spamming, that's the word I sought.
Oct-07-10  eightbyeight: You know, usually, it's BLACK who captures a rook on a1 with a knight and wins. (After 1. ... Nxc2+ 2. Kd1 Nxa1.) You just have to love Kg5!
Apr-16-11  Tigranny: Woah! What a blunder 100...Kg5?? was!
Apr-16-11
Premium Chessgames Member
  Phony Benoni: In my view, question marks should not be allowed at move 100. You should get an exclamation point just for making a legal move.
Dec-28-13  MarkFinan: 100.Nxa1 You just have to feel for the guy!? After a long grueling game against a brilliant young player. But it's games like this im currently looking for, just to remind me these top GM's are human beings. I have to switch my brain off after an hour and half because I drop pieces like a drunken blind man who's been spun around 101 times, had his paws dipped in oil, only to be told his house is currently on fire! LOL.
Oct-06-15
Premium Chessgames Member
  alexmagnus: When in the last World Cup Svidler blundered a Rook out of nothing, Karjakin may have been reminded of this blunder of his own.
May-24-18  JPi: Still it should be winning as 3 pieces to attack f4 to two to defend it. In long term we have B+N+p(g file) vs R which is technically a won ending.
Sep-02-19  Chesgambit: What about a1 Rook
Apr-28-22
Premium Chessgames Member
  al wazir: I would have played 75. Bxf6, putting black out of his misery a lot sooner:

75. Bxf6 Rg8 76. Ne1 Rg6 77. Be5 Kg5 78. Ke2 Re6 79. Nd3 Kf5 80. Kf3 Rxe5 81. Nxe5 Kxe5 82. Kg4.

Apr-28-22  sfm: Instead of Black's unfortunate move #100, Stockfish gives: 100...Rf1+ 101.Bf2 Rd1 102.Nd4+ Ke5 103.Ne2 Rd3+ 104.Kg4 Ke4 105.Nxf4 Rd8 106.g3 f5+ 107.Kh4 Rh8+ 108.Nh5 f4 109.g4 Rc8 110.g5 Kf5 111.Ng7+ Ke5 112.Kg4 Rc2 113.Be1 Rg2+ 114.Kf3 Rxg5 115.Bc3+ Kd5 116.Kxf4 Rg1 117.h4 Rf1+ 118.Kg5 Rg1+ 119.Kf5 giving this position:


click for larger view

Rate is only +1.12. And "long analysis, wrong analysis", but the development looks plausible, and the result certainly looks won to me. So maybe Karjakin just saved himself some trouble. There is an old saying: moves where pieces go backwards are easier to miss. Viewing mega-blunders over time, it is my impression that this is true.

Apr-28-22  Amarande: Assuming that it is in fact inevitable that White must win both pawns at the cost of one of his, as <sfm>'s Stockfish analysis gives, it was simply a blunder in a lost position situation.

Two pieces + P against Rook is a known win in almost all cases. This is easy to appreciate even without engines or tablebases, since the best that Black will be able to do from there is to sacrifice the Rook for one White unit, but the only way this even holds out the hope of a draw is if there exist a RP+B of the wrong color, or two Knights, neither of which is the case here.

(TB indicates it's mate in 40 more moves from the diagram <sfm> posts, FWIW.)

Apr-28-22  Brenin: Tiredness? Despite this loss, the 15-year-old Karjakin won the tournament by a clear point, with 9.5/13. Nielsen was 4th, on 8/13, and a young lad called Carlsen came 7th on 7/13.
Apr-28-22  sfm: > > (TB indicates it's mate in 40 more moves from the diagram <sfm> posts, FWIW.)

Aha, that was what also what I had calculated. But as I was not 100% sure, I preferred to put it more cautiously as "...certainly looks won to me."

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