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Elena Sedina vs Sopio Tqeshelashvili
"Combination Lock" (game of the day Mar-01-2010)
European Championship (Women) (2003), Istanbul TUR, rd 2, Jun-03
Sicilian Defense: Canal Attack. Haag Gambit (B51)  ·  1-0

ANALYSIS [x]

FEN COPIED

Annotations by Stockfish (Computer).      [35435 more games annotated by Stockfish]

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sac: 29.Qc7+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Mar-01-10  estebansponton: wonderful
Mar-01-10  Slurpeeman: 9...Nf6 is significantly inferior to 9...Nxf3+. Strange that Black played it since Nxf3 is more natural
Mar-01-10  weisyschwarz: Superbly calculated!
Mar-01-10  botvinnik64: WOW!!! What fun - thanks CGames for sharing this one!
Mar-01-10  patzer2: Sedina's 29. Qc7+!! sacrifices the Queen for a beautiful combination to decisively exploit her opponent's weak Queenside castled position.

Black's replies are pretty much forced until 32...Qa5, which allows the neat double discovered check and mate in the game continuation (i.e. 32. Ra8+! Rxa8 33. Nc8#).

If Black tries 32...Nd4, then White wins with 33. Rxd4! Qe5 34. c8=Q Rxc8 35. Nxc8+ Ka8 36. Nb6+ Ka7 37. Nd7 Qh8 38. Rd6+! Ka8 39. Ne5! h5 (39...Qxe5 40. Rd8+ ; 39... b6 40. Bd4 f6 41. Bxb6 Kb7 42. Nd3 f5 43. Nc5+ Kb8 44. Rd8+ ) 40. Bd4 Qe8 41. Bb6 Qxe5 42. Rd8+ Qb8 43. Rxb8+ Kxb8 44. Kd2 .

Mar-02-10  patzer2: Fritz 10 indicates Black can survive after 25... Qh5!, when play might continue 26. Qc7+ Ka8 27. Nf4 Qg4 28. Qc5 Ne5+ 29. f3 Qxf3+ 30. Kd2 Nxc4+ 31. Qxc4 Rxd6+ 32. Nd3 Qf5 33. Ke2 Rc8 34. Qf4 Rc2+ 35. Kf3 Qh5+ 36. Qg4 Qd5+ 37. Qe4 Qh5+ 38. Qg4 Qd5+ 39. Qe4 Qh5+ 40. Qg4 = (draw by perpetual check).
Mar-02-10  David2009: What a fantastic game! 32...Nd4 <rhedrich> does indeed put up a tough defence


click for larger view

since 33. Nc8+ <al wazir> fails to 33...Qxc8. Instead 33.Rxd4 seems to win. E.g. Qe5 (hoping for Rd8? Qa1+ with perpetual check) 34.c8=N+! Rxc8 35.Nxc8+ Ka8 36.Nb6+ Ka7 37.Nd7


click for larger view

and wins. E.g. 37...Qh8 38.Re4+ b6 39.Bd4 Qg8 40.Nxb6 and now there is no perpetual check and meanwhile White retains an attack, so wins slowly but surely on material.

Cradit Crafty, not me, with these ideas. Crafty link to the start of the combination: http://www.chessvideos.tv/endgame-t.... You are White: enjoy winning starting move 28.

Mar-02-10  lijepalou: Can someone explain why black castles queen side move 12, i would have thought moving Bishop to d6 putting attack on white rook, then with option of castling king side would have proved better?
Mar-02-10  PaulLovric: <lijepalou> i have no idea either, any suggestions from more experienced players would be appreciated, seeing my ECO rating is only around 2800
Mar-02-10  MaxxLange: ..Bd6 looks solid, Black can castle on either side after, and I don't see a strong move for the Rook to retreat to....the Bish is on an active square
Mar-02-10  MaxxLange: 12...Bd6 13 dxe6 has to be calculated. That might be embarrassing for Black.
Mar-02-10  PaulLovric: <MaxxLange> We need the Random Visitor to do the calculations on his rybica.
Mar-26-14  SpiritedReposte: One of the prettiest checkmates I've seen. A double checkmate at that!
Jul-05-25  mel gibson: I didn't see that.

Stockfish 17 says:

29. Qc7+

(29. Qc7+ (1.Qc7+ Rxc7 2.dxc7+ Kc8 3.Ne7+ Kxc7 4.Nxf5 Ne5 5.Bf4 f6 6.Rd6 Nxc4 7.Rxf6+ Kd7 8.Nd6 Na5 9.Rh6 Rf8 10.Be3 Rg8 11.Ne4 Rg7 12.Kd2 Re7 13.f3 Nc4+ 14.Ke2 Kc7 1) +4.80/46 380)

score for White +4.80 depth 46.

Jul-05-25  King.Arthur.Brazil: The king saw this opportunity: 29. Qc7+ Rxc7 30. dxc7+ Ka8 31. Nb6+ Ka7 32. Rd8 Qf6 33. Ra8+ Rxa8 34. Nxa8+ Kxa8 35. c8=Q#.

It works too: 33. Rxh8 Qxh8 34. c8=Q Qa1+ 35. Kc2 Nd4+ 36. Kd3 Qd1+ 37. Kc3 Kxb6 38. Bxd4+ Ka5 39. Qc5+ Ka4 40. Qb4#, but the way is longer. In case of 30... Kc8? 31. Ne7+ Kxc7 32. Nxf5 with an extra ♗ by 1 ♙. For 32... Qe5 33. Nd5+ Nd4 34. c8=Q also win. While for 34... Nd4 35. c8=Q b6 36. Qd7+ Kxa8 37. Bxd4...

Jul-05-25  Walter Glattke: a) 29.Qc7+ Rxc7 (Ka8 Nb6#) 30.dxc7+ Kc8 31.Ne7+ Kxc7 32.Nxf5 + 2.0 b) 29.c5 Rhe8 30.Ne7 Rxe7 31.dxe7 Qe5 32.Qd8 Qh8 33.Qxh8 Rxh8 34.Rd8+ +9.0
Jul-05-25
Premium Chessgames Member
  An Englishman: Good Evening: Already knew this one, should not have forgotten it--White's 32nd is so quietly devastating. Black has no checks, even with the wide open position.
Jul-05-25
Premium Chessgames Member
  scormus: Great combination and final coup de grace. Didn't get much of it, but the pleasure from playing it through makes up that.
Jul-05-25
Premium Chessgames Member
  chrisowen: I dank its wig uv its so its c q its hem y its Qc7+ its aob jib again q i fo its aoh its jah its a fig pug beh its yeah its Qc7+ dice;
Jul-05-25  vajeer: Felt like Wednesday level.
<An Englishman:Black has no checks, even with the wide open position.> exactly my feeling!
Jul-05-25  Nosnibor: Can Black delay the mate by playing 32...Nd4?
Jul-05-25  Walter Glattke: No mate after 30.-Kc8 with queen counter sac, or 30.-Ka8!? 31.Nb6+ Ka7 32.Rd8 Nd4 (> Qc2# or perpetual queen checks) 33.c8N+ Kb8 34.Ne7+ Rxd8 35.Nxf5 Nxf5 hey, black stands better! Hence 33.Rxd4 Qc5 34.Rd5 Qxe3+ 35.fxe3 Kxb6 36.Rd8 Kxc7 37.Rxh8 White wins 5.0
Jul-05-25  Hercdon: Beautiful finish, Qc7 being a bolt from the blue
Jul-05-25
Premium Chessgames Member
  Breunor: Totally missed it.
Jul-05-25  areknames: Nothing much to add to the above kibitzing except to say that this game is just great.
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