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Yakup Erturan vs Vladimir Potkin
World Junior Championship (2001), Peristeri, Athens GRE, rd 9, Aug-25
French Defense: Exchange Variation (C01)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Mar-23-10  Patriot: White has a few threats going, Qxc3 and Qxg7#. 36...Qxh5 stops both, since 37.Rxh5 Rc1# and 37.Qxc3 Qxh1+ and mate next. Anything else white tries is lost anyway.
Mar-23-10
Premium Chessgames Member
  watwinc: Okay, it's easy from the diagram - what I'd like to know is, how far back did Black think of this possibility?
Mar-23-10  turbo231: Actually it took black 15 moves to mate. So if he's in time trouble play on!
Mar-23-10  WhenHarryMetSally: easy for some, but tricky for me. I did not see it.

I could feel an attack on that king which was begging for a check but what to do? a mate on the black king is impending? Then how to protect the black rook from attack while preventing a mate attack?

Qxh5 answers them all perfectly

Mar-23-10
Premium Chessgames Member
  Willber G: <zooter: Why did white throw away a pawn a move earlier by f5 in response to 34...Qg6+? Did he see that Ka1 would be met with Qxh5?>

What option did he have? The only other way to block the check loses white his queen.

Mar-23-10
Premium Chessgames Member
  Willber G: <patzer2: ...Also good here is 34...Qf5+! 35. Ka1 Qxh5 .>

A very good point! The fact that Potkin didn't play this suggests that he did not see the finish until after 35.f5...

Mar-23-10  DarthStapler: Got it easily
Mar-23-10  SuperPatzer77: <agb2002> Hey, you (New York accent)! How've you been doing? Your analysis is perfect! I admit that your analysis is much better than mine.

After 36...Qxh5!, 37. Re1 (best try) Qe5! (protecting the Black Rook and attacking the White Rook and the White Queen) and (it looks like Black kills two birds with one stone), 38. Qxe5 (forced) Nxe5, 39. Kb1 (39. Rxe5?? Rc1#) Nd3, 40. Rd1 e5! (Now the Black e-pawn is unstoppable and the White Rook is forced to stay on the rank to prevent the rank mate).

<agb2002> Kudos to you for the excellent analysis.

SuperPatzer77

Mar-23-10
Premium Chessgames Member
  kevin86: a two way sac:if the queen is captured,the rook will mate and if the rook is captured,the queen will do likewise.

White loses at least a piece to back row threats.

Mar-23-10  YouRang: Quite easy, especially once you notice that both sides have mate threats in the works: White's queen and knight threaten Qxg7#, black mate, while black has ...Rc1#, if only we can deflect white's rook on h1.

All of the above leads to one conclusion: Take the knight with 36...Qxh5, ending white's mate threat and taking advantage of the black mate threat, which forbids white from recapturing with the h1 rook. It also forbids 37.Qxc3 Qxh1+ ~#.

Mar-23-10  Sashadrago: <ounos: Ah, this puzzle would be more useful just a move earlier.>

Totally agree. :)

Mar-23-10  patzer3844: too easy even for a tuesday puzzle
Mar-23-10  mrsaturdaypants: Thought 1: white's king is stalemated.

Thought 2: white's threatening to checkmate on g7, with his queen supported by the knight on h5.

Thought 3: It's a Tuesday puzzle. What happens if black takes that knight?

36...Qxh5

(a) 37 Rxh5 Rc1#
(b) 37 Qxc3 Qxh1 38 Qc1 Qxc1#
(c) On other 37th moves (Rb1, Qd1),
white is down a knight.

Time to check.

Mar-23-10
Premium Chessgames Member
  agb2002: <SuperPatzer77>

Thank you! (Mediterranean accent)

Mar-23-10
Premium Chessgames Member
  thegoodanarchist: Using the theme of the overworked piece - very nice.
Mar-23-10  desiobu: Probably easier to spot than yesterday's
Mar-23-10  SuperPatzer77: <agb2002> - LOL - I came originally from New York, NY. I'm a Puerto Rican-American. I currently live in Schererville, Indiana, about 25 miles southeast from Chicago, IL.

<agb2002> You're most welcome (New York accent)!!

SuperPatzer77

Mar-23-10  rossvassilev: this one was easy even for me.
Mar-23-10  mig55: Qxh5 is the best, but Qe5 wins too at last...
Mar-23-10  kingsindian2006: I enjoyed move 22 ....Rc6 , he was going forward while defending.
Mar-23-10
Premium Chessgames Member
  LIFE Master AJ: Qxh5. Too EZ for Tuesday.
Mar-23-10  Old Wolf: You shouldn't really be thinking, "It's a Tuesday puzzle so how about <move>". In a real game you don't know if it's a Tuesday puzzle situation or not!
Mar-23-10  muralman: I don't think it was that easy. I like the answer. When I did get it, I felt a rush.
Mar-24-10  melianis: seeked for a mate, couldn't find one, but otb would have thought less and moved the solution.
Sep-13-11  notyetagm: Game Collection: WEAK BACK RANK: YTTF: YOU TAKE THE FILE!
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