Members · Prefs · Laboratory · Collections · Openings · Endgames · Sacrifices · History · Search Kibitzing · Kibitzer's Café · Chessforums · Tournament Index · Players · Kibitzing
Yifan Hou vs Kateryna Lagno
Istanbul Olympiad (Women) (2012), Istanbul TUR, rd 3, Aug-30
Sicilian Defense: Paulsen. Bastrikov Variation (B47)  ·  1-0



Get this game explained with Decode Chess
explore this opening
find similar games 21 more Yifan Hou/Lagno games
sac: 38.Qxg7 PGN: download | view | print Help: general | java-troubleshooting

TIP: As you play through the game, you can get the FEN code for any position by right-clicking on the board and choosing "Copy Position (EPD)". Copy and paste the FEN into a post to display a diagram.

PGN Viewer:  What is this?
For help with this chess viewer, please see the Olga Chess Viewer Quickstart Guide.


Kibitzer's Corner
Aug-31-12  UncleTarrasch: A very instructive game, quite like in the style of her hero, Bobby Fischer
Premium Chessgames Member
  Phony Benoni: I predict that nobody will get the exact sequence of moves today.
Premium Chessgames Member
  An Englishman: Good Evening: Believe it or not, I thought that White had to find some means of salvaging a draw! So I found the game continuation, and concluded that Black would have to settle for perpetual check after 38...Qh5+. I presume that White can escape the checks, but how?
May-19-13  NyP: <An Englishman: ...Black would have to settle for perpetual check after 38...Qh5+. I presume that White can escape the checks, but how?>

I also thought that black can secure the draw with Qh5-Kg1-Qd1. I guess the solution is Qh5-Kg3!

May-19-13  M.Hassan: "Insane"
White to play 38.?
White has a Bishop for a Knight.

38.Qxg7 Qxc1
<Black Queen can not repeatedly check the King and it is best to take the Bishop: ...Qh5+ 38.Kg3 Qd1>

39.Qxf6+ Kf8
40.Qh8+ Bg8
41.Qh6+ Ke7
<if...Kf7 42.g6+ and Black Queen is gone>

White has developed two passed pawns for the price of a Bishop and still has the upper hand:

42.f6+ Ke8
43.f7+! Bxf7
44.Qxc6+ Kf8
I don't know how the endgame will continue but if 45...Qxb2 46.g6 Q.b3 47.gxf7 Qxf7 48.Qxe5 White will have a Bishop extra.

Time to check

May-19-13  lost in space: Well, I saw the first few moves but haven't been able to see, if this is a win or a draw. My thought was that most probably Black would have a perp...
May-19-13  gars: A very beautiful and logical combination, of which I did not see a single move!
May-19-13  newzild: My first candidate was 38. gxf6+, when 38...Kxf6 loses to 39. Bg5+ Kxg5 40. Qxg7+ and eventually Black is either mated or loses his queen for bishop.

However, simply 38...gxf6 spoils the fun.

May-19-13  ChemMac: Yifan Ho surely didn't "see" everything by far. There is no way that even the greatest players can calculate everything: they do what they can, and rely on instinct and experience after that.
May-19-13  bachbeet: I was thinking along the same lines as lost in space because I thought that the Qxg7 led to perpetual check.
May-19-13  jvasea1990: (58.Bd5 Houdini 3 Pro w32
#-9 (depth 26) Qe2+ 59.Kh6 Qh2+ 60.Kg6 Qc2+ 61.Kg7 Qf5 62.Qxc6 Qxg5+ 63.Kf7 Qh5+ 64.Ke6 Qg4+ 65.Ke7 Qe6+ 66.Kxe6 Ka7

#-7 (depth 26) Qd3 59.Qd6+ Ka7 60.Qc7+ Ka6 61.Bxc6 Qe2+ 62.Kg6 Qc2+ 63.Kg7 Qg6+ 64.Kxg6 c4)

#-6 (depth 26) Qxd5 59.Qxd5 Kc7 60.f7 Ne7 61.Qa8 b5 62.f8=Q Kd6 63.Qb7 bxa4 64.Qfxe7#)

#-6 (depth 26) Qf5 59.Qxf5 Kc7 60.f7 b5 61.f8=Q Kb6 62.Qd7 Ka6 63.Bxc6 bxa4)

Premium Chessgames Member
  agb2002: White has the bishop pair for a bishop and a knight.

Black threatens 38... Qxc1, 38... Qxa4 and 38... Qh5+ trading queens.

The moves I would initially consider are 38.gxf6+, 38.g6 and 38.Qxg7.

In the case of 38.gxf6+ gxf6 (38... Kxf6 39.Qh4+ g5 40.Qxg5#) 39.Bh6 Qh5+ 40.Kg3 Nb8 41.Qh8 Nd7 and White doesn't seem to have made much progress.

The obvious 38.g6 is met with 38... Qxc1 39.Qxg7 Qf4+ with perpetual.

Therefore, 38.Qxg7:

A) 38... Qxc1 39.Qxf6+

A.1) 39... Kd7 40.Qxf7+ followed by 41.Qh5, protecting the pawn on g5, avoiding perpetual and threatening to push both passed pawns.

A.2) 39... Ke8 40.Qxc6+

A.2.a) 40... Kd8 41.Qxb6+ looks winning. For example, 41... Kd7 42.Qb7+ Kd8 43.Qb8+ Kd7 44.Qxe5 Qxg5 45.Qg3 Qh6+ (45... Qh5+ 46.Qh3) 46.Bh3 Qd2+ 47.Qg2 Qf4+ 48.Kh1 Qc1+ 49.Qf1 stops the checks.

A.2.b) 40... Ke7 41.Qf6+ Kf8 (41... Ke8 42.Qxe5+ and 43.f6 + -) 42.Qh8+ Bg8 43.Qh4 followed by g6 and f6.

A.2.c) 40... Kf8 41.Qh6+ and 42.Qh4 again.

A.3) 39... Kf8 40.Qh8+

A.3.a) 40... Ke7 41.f6+ Kd7 (41... Kd6 42.Qf8+ recovers the piece with check or mates) 42.Bh3+ Be6 43.Qg7+ followed by Bxe6 and the king will go to the black king side to stop the checks.

A.3.b) 40... Bg8 41.Qh6+ Ke7 (41... Kf7 42.Qf6+ Ke8 43.Qxc6+ seems to win) 42.f6+ looks similar to A.3.a.

B) 38... Qh5+ 39.Kg3 and Black has lost a pawn and can't force perpetual.

May-19-13  Patriot: I'll go with 38.Qxg7 here.

38...Qh5+ 39.Kg3 fxg5 40.Bxg5+ looks risky for black.

38...Qxc1 39.Qxf6+ will at least win a piece back plus a pawn.

May-19-13  stst: Several developments, but all should lead to Hou's pawns promoting. One such: 38.Qxg7 Qxc1
39.Qxf6+ Kd7
40.Qxf7+ Ne7
41.g6 Qh6+
42.Kg1 Kd8
43.g7..... etc
May-19-13  stst: Viewing the actual game, Hou's path was too long!!
May-19-13  stst: As in the game, after
why not
40.g6 threatening QxB# next
IF 40...Qh6+
41.Bh3 to block off a perpetual, what's Black's best? say Qg7 for exchange? 42.QxN... the g6 P is not easily removed! as it's guarded by the f5 P, and soon gxB or Q sweeps Black's P on the A,B,C files, and the three White P will promote easily.
May-19-13  daladno: Got the idea and saw first moves surprisingly easily - maybe because general theme and actual game finish strikingly remind the famous combo from Botvinnik-Capablanca (1938).

Good help from the titans of the past in cracking the Sunday puzzle, if not the whole sequence (which is definitely beyond my capabilities)...:)

Premium Chessgames Member
  Jimfromprovidence: What makes this puzzle so tricky is that it is hard to see white both winning enough material and keeping black from …Qf4+ and a perpetual, as the black bishop on f7 prevents the white king escaping with Kh5.

I got 39 Qxf6+ Kf8 (to protect the bishop and keep the perpetual intact if 40 Qxc6 follows) 40 Qh8+ Bg8, below. (not the text 40…Ke7 as this puts black’s king into a potential mating trap).

click for larger view

Now comes 41 Qh6+ Ke7 42 f6+ Ke8 43 f7+!? Bxf7 44 Qxc6+.

click for larger view

OK, now white is up a pawn with check. Now the goal is to win the e pawn with a minimal loss of tempi after 44…Kf8. The way to do this is beyond my understanding of this part of the game.

May-19-13  zakkzheng: Hey Jim, Qf6 looks good
May-19-13  DarthStapler: I got the first two moves

NOTE: Create an account today to post replies and access other powerful features which are available only to registered users. Becoming a member is free, anonymous, and takes less than 1 minute! If you already have a username, then simply login login under your username now to join the discussion.

Please observe our posting guidelines:

  1. No obscene, racist, sexist, or profane language.
  2. No spamming, advertising, duplicate, or gibberish posts.
  3. No vitriolic or systematic personal attacks against other members.
  4. Nothing in violation of United States law.
  5. No cyberstalking or malicious posting of negative or private information (doxing/doxxing) of members.
  6. No trolling.
  7. The use of "sock puppet" accounts to circumvent disciplinary action taken by moderators, create a false impression of consensus or support, or stage conversations, is prohibited.

Please try to maintain a semblance of civility at all times.

Blow the Whistle

See something that violates our rules? Blow the whistle and inform a moderator.

NOTE: Please keep all discussion on-topic. This forum is for this specific game only. To discuss chess or this site in general, visit the Kibitzer's Café.

Messages posted by Chessgames members do not necessarily represent the views of, its employees, or sponsors.
All moderator actions taken are ultimately at the sole discretion of the administration.

This game is type: CLASSICAL. Please report incorrect or missing information by submitting a correction slip to help us improve the quality of our content.

Featured in the Following Game Collections[what is this?]
Sicilian Def. Paulsen. Bastrikov Var (B47) 1-0 Dangling Bs
from Sicilian Taimanov / Paulsen Poked Fredthebear by fredthebear
Sicilian Def. Paulsen. Bastrikov Var (B47) 1-0 Dangling Bs
from yWalk the King 1.e4 to Fredthebear's Store by fredthebear
38.? (Sunday, May 19)
from Puzzle of the Day 2013 by Phony Benoni
Sicilian Def. Paulsen. Bastrikov Var (B47) 1-0 Dangling Bs
from Sicilian Taimanov / Paulsen Poked Fredthebear by Patca63
Sicilian Def. Paulsen. Bastrikov Var (B47) 1-0 Dangling Bs
from Hostilities on the h-file by mneuwirth
Scintillating Sicillians
by akatombo
0ZeR0's Favorite Games Volume 4
by 0ZeR0
Chess Olympiad, Istanbul 2012 Rd.3
from Chess Olympiad 2012/ Wijk aan Zee 2013, Others by partien
38.? (May 19, 2013)
from Sunday Puzzles, 2011-2017 by Phony Benoni
Sicilian Def. Paulsen. Bastrikov Var (B47) 1-0 Dangling Bs
from yWalk the King 1.e4 to Fredthebear's Store by maverian

Home | About | Login | Logout | F.A.Q. | Profile | Preferences | Premium Membership | Kibitzer's Café | Biographer's Bistro | New Kibitzing | Chessforums | Tournament Index | Player Directory | Notable Games | World Chess Championships | Opening Explorer | Guess the Move | Game Collections | ChessBookie Game | Chessgames Challenge | Store | Privacy Notice | Contact Us

Copyright 2001-2021, Chessgames Services LLC