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Fabiano Caruana vs Teimour Radjabov
Gashimov Memorial (2016), Shamkir AZE, rd 5, May-30
Sicilian Defense: Nezhmetdinov-Rossolimo Attack. Fianchetto Variation (B31)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-01-16
Premium Chessgames Member
  whiteshark: If <34... Qxe6> White can mate in 11 moves: 35. Nxh7 Qe7 36. Nf6+ Bh7 37. Nxh7 Kg8 38. Nf6+ Kf8 39. Nd7+ Kg8 40. Rhg1 Kf7 41. Rxg7+ Ke8 42. Rg8+ Kf7 43. R1g7+ Ke6 44. Qe5+ Kxd7 45. Rxe7#>
Jun-01-16  Ulhumbrus: One justification for White's choice of queen side castling by 10 0-0-0 is that White's queen side pawns are intact whereas Black has disturbed his king side pawns by ...g6. This could be a brilliantly original idea on the part of Caruana, or a strategic innovation.
Jan-19-17  drollere: well, radjabov helped out here.

34. e6 Bxe6 is pedestrian

35. Rxg7 Qxg7
36. Rxh7+ Qxh7
37. Nxh7 Kxh7
38. Qe4+ any
39. Qxe6

Jan-19-17
Premium Chessgames Member
  An Englishman: Good Evening: Have seen enough 3.Bb5(+) Sicilians to appreciate why Nezhmetdinov (the Soviet Rossolimo) and Rossolimo (the American Nezhmetdinov) were so fond of variations that usually require surrendering the Two Bishops. These lines seem unusually conducive to brilliancy prize games.
Jan-19-17
Premium Chessgames Member
  diagonalley: fantastic finish... worthy of a grandmaster
Jan-19-17
Premium Chessgames Member
  kb2ct:

Difficult to find queen sac, but once learned it is a nice addition to one's repetoire.

Jan-19-17
Premium Chessgames Member
  YouRang: Thursday 34.?


click for larger view

We have a complicated position that features:

(1) five pieces on the diagonal from d4 to e8, with the white queen on e4 and the black king on h8.

(2) The Ph7 is a hot spot, attacked twice (Nf6 and Rh1) and defended thrice (K, Rg7, and Bf5).

(3) Then black's Rg7 is attacked by Rg4 and defended by black's Q, white the Rg4 itself is attacked by black's Bf5.

It seems beneficial for white to remove pieces along that diagonal between queen and king, but which? The knight is useful where it is because it adds to the attack on Ph7.

So, it makes sense to try <34.e6>


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With this, white has begun to clear that diagonal in addition to attacking the black queen.

- Black can't take the pawn with 34...Bxe6 since that removes a defender of Ph7, allowing 35.Nxh7! (note that the K is the only remaining defenders of Ph7 since vacating removing the N pins the Rg7).

- Black can't take the pawn with <34...Qxe6> since that allows <35.Rxg7 Kxg7 36.Nxh7+>


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The black K is under brutal attack, e.g. 36...Kf7? 37.Ng5+ forking K+Q; 36...Kg6 37.Rg1+ Kxh7? 38.Qg7#

- Black's best may be <34...Qe7 35.Rxg7 Qxg7 36.e7>


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White threatens to promote the e-pawn, and I figured that <36...Qxe7> may be met by <37.Rgh4>


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But this was where I messed up. :-(

I thought this was crushing (e.g. Rxh7+ ...Bxh7 Nxh7 with Nf6+ next). What I overlooked: <37...Qa7!> gets black out of trouble.

Checking with the computer, 34...Qe7 is best met by 35.Rxg7 Qxg7 36.Qe5 Bg6 37.Rg1

Jan-19-17  mel gibson: I saw the first move but not the rest.

The computer makes the first move the same
but it doesn't lead to a quick mate:

34. e6 (34. e6 (e5-e6 ♕f7-e7 ♖g4xg7 ♕e7xg7 ♕d4-e5 ♗f5-g6 ♖h1-g1 c6-c5 e6-e7 ♖a8-c8 ♖g1-g5 c5-c4 e7-e8♕+ ♖c8xe8 ♘f6xe8 ♕g7xe5 ♖g5xe5 c4xd3 ♔b1-c1 h7-h5 ♘e8-d6 d3xc2 ♖e5xb5 ♔h8-g7 ♖b5xb4 ♔g7-f6 ♘d6-e4+ ♔f6-e5 ♘e4-d2 ♗g6-f7 ♖b4-h4) +4.31/20 82)

Score +4.31 depth 20.

Jan-19-17  saturn2: 36 Ne8 is a nice move.
Jan-19-17
Premium Chessgames Member
  Robert Samuels: What I admired most were the pawn advances 22.h4! and 23.h5! apparently giving up two pawns, but actually preparing the decisive invasion of the kingside, plonking the knight on f6. That vision at move 21 is what sets up the brilliancy that ends the game fifteen moves later.
Jan-19-17
Premium Chessgames Member
  WorstPlayerEver: 15...e6 causes horrible weaknesses, 15...Nd7=
Jan-19-17
Premium Chessgames Member
  whiteshark: I vividly could remember the #11

;)

Jan-19-17
Premium Chessgames Member
  Jimfromprovidence: Like <YouRang> I also looked at the sequence 34 e6 Qe7 35 Rxg7 Qxg7 36 Qe5.


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36 Qe5 is really nic as it protects the knight, attacks the bishop and gets away from ...c5.

Compare this sequence to 34 e6 Qe7 35 Rxg7 Qxg7 36 Rg1.


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Here black plays 36...c5.


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White cannot try 37 Qe5 next because of the mate in two beginning with 37...Qxg1+. So he has to exchange queens with 37 Rxg7 cxd4.

Jan-19-17  stst: Interesting, feel somehow Black's Q will suffer. White's direct strike Rxh7+ is too much. The P@e5 is good initiator (from last night's notes, now I see no diagram):

34.e6...... (A)Bxe6
35.Rxg7 (at least R for R) ... (A1):
....Kxg7
36.Rxh7+ Kf8
37.Qd6+ Qe7
38.QxQ#
(A2)...... Qxg7
36.Rxh7+ Qxh7
37.NxQ dis+ KxN
38.Qe4+ forks K&R

(B)line:
34........ Qxe6
35.Rxg7 Kxg7
36.Rxh7+ Kg6
37.Qg1+ KxN
38.Rh6+ forks K&Q

(C)line: --- ignoring the P
34..........Qe7
35.Rxg7 KxR
36.QxR similar as before, Q will be lost.

Jan-19-17  stst: A slip of my "pen," for my (C)line, the last bit should read: (Either) KxR or QxR, the Q (Black's Q) will be lost.
Jan-19-17  saturn2: I am surprised that some long analysis is given here on the move 36 e6 but it ignores the for me most obvious answer 36...RxRg4 which was also played in the game. I for myself considered the moves 36 e6 and 36 RxRg7 as puzzle solution.
Jan-19-17
Premium Chessgames Member
  agb2002: Too recent perhaps.
Jan-19-17
Premium Chessgames Member
  ChessHigherCat: I saw the potential of e6 but as soon as noticed the N on f6 I thought: Aha, the Arabian Mate and got hung up on combining the two ideas. Unfortunately the B on f5 keeps getting in the way, so that turned out to be a red herring. Ne8 was extremely clever and counterintuitive, at least for me, because ever since GM Jacov Murey showed me one of his games where he sacrificed two rooks just to get a knight to f6 I have considered the Arabian Mate to be the be-all and end-all (especially the latter) of human existence.
Jan-19-17  NBZ: Let's see - e6!

A] Bxe6 Rxg7 Qxg7 Rxh7+ Qxh7 Nxh7+ Kxh7 Qe4+ winning the bishop and the game. Maybe there is a better line here instead of Rxh7+ but this is definitely winning.

B] Qxe6 Ne8! and there is no good defence to Qxg7#.

Jan-19-17
Premium Chessgames Member
  morfishine: <34.Rxg7> is simplest
Jan-19-17  carlomix: In this finish, Caruana seems somewhat like Capablanca..
Jan-19-17  drollere: <So he has to exchange queens with 37 Rxg7 cxd4.>

and white still clearly wins.

Jan-19-17
Premium Chessgames Member
  chrisowen: Kiosk keys v e6s efforts log g4s goods bod mate 5 vet eggy 34Bxe6 eel job efforts won honest g7s gongever log bod f7s foodherd bod d4s doors log goods 35Rxg1+ eye gob bod mate 4 vent log eveoff 36.Ne8 odd ents evermores bod mate 3 vent log ghosts 36.Rg8+ odd ents ghosteggs bod mate 2 vent kiosk keys van cams creme gents velt toot bys i quip erm d4s doors f6s floodus bod hog g7s gentgood won dent hewd fun fox jump key jog kiosk keys v e6s efforts log g4s goods bod mate 5 vet eggy 34Bxe6 eel job efforts won honest g7s gongever log bod f7s foodherd bod d4s doors log goods 35Rxg1+ eye gob bod mate 4 vent log eveoff 36.Ne8 odd ents evermores bod mate 3 vent log ghosts 36.Rg8+ odd ents ghosteggs bod mate 2 vent vid kiosk keys van cams creme ask ams mack creep reg green vet gong nevers velt loot teb boot vet bys yin quip erm d4s doors f6s floodus bod hog g7s gentgood won dent pod hed west ford wus fun fox jump key jog kiosk keys v e6s efforts log g4s goods bod mate 5 vet eggy 34Bxe6 eel job efforts won honest g7s gongever log bod f7s foodherd bod d4s doors log goods 35Rxg1+ eye gob bod mate 4 vent log eveoff 36.Ne8 odd ents evermores bod mate 3 vent log ghosts 36.Rg8+ odd ents ghosteggs bod mate 2 vent kiosk keys v cams cremed it's vam ran uvs blip it's var nub pin it's vam bruv vets i pan lev vain burp van rib ups e6s efforts hove for wons creme bod fly cotegg lobs bents gentry codleg covers bod dog g7s gentgood bod het f6s floodus bod cot good food lents bentof o dos then e8s evermores jocks won bond it's i avowly von lev then hmms logs e5s everon logs beset bod eve boffer heffer o henthood bod food for log it's avow key then o fors e6s efforts bod good it's ave key then bond log hog denthog doorlog deepget logs e5s eveoff logs f5s fooder bod for 33Bf5 does flocks 7 8 over then bod bet 33b3 doe beck level o eve tho g7s gentgood glowlegs gemstone vet hood good hents hoods bod gets h8s henthoods long hents o eveoffs bod lob f6s fenceof e8s evermores won logs f5s fooder bod for 33Bf5 does flocks 7 8 over then bod bet 33b3 doe beck level fence flood floor o codlegs long goods o g7s genthood o god bod gentrys god good f7s foothems o bog bond d4s doors logs f5s fooder bod for 33Bf5 does flocks 7 8 over then bod bet 33b3 doe beck levels won eves;
Jan-19-17
Premium Chessgames Member
  chrisowen: 34.e6 Rxg4 eel goods bod mate 5 vet boff coff doff hoff flocks key vims conifer coffer cleft frock von fem mofty form vim flem dove kiosk keys v e6s efforts ecowood eeljobs eggmood ellvons emoryus toots e6s enteron epeebod entombs everons eyeores von keys effect effort feel loot fence off offer feet vet eel froth deck feel loot fence fend off dock hent flood flooder food fender bender ford key egg eves 34Bxe6 eel job efforts won honest g7s gongever log bod evers 35.exf7 Rxd4 eye o doors dents doves donts log goods 35Rxg1+ eye gob bod mate 4 vent key eveoff 36.Ne8 odd ents evermores bod mate 3 vent key ghosts 36.Rg8+ odd ents ghosteggs bod mate 2 vent flock feck coot crete coff fleck cotter rot wreck key eggs con moon doot plotty rove code blocks mop oks von keys vent cock does rove hot hob hood fox oks von keys vents log good creme fog bod oose covet foods nod voda keys cog home mop oks von keys vents bot bet teb blot belt boot bent vet hood food fend hoof heff hod herd cob beck block bod bend lend lod cremed it's vam ran uvs blip it's var nub pin it's vam bruv vets i pan lev vain burp van rib ups e6s efforts bod hmm ohm bog con don fog fence food oboes hmm rob willy e6s winfrey kiosk keys v e6s efforts log g4s goods bod mate 5 vet eggy 34Bxe6 eel job efforts won honest g7s gongever log bod f7s foodherd bod d4s doors log goods 35Rxg1+ eye gob bod mate 4 vent log eveoff 36.Ne8 odd ents evermores cont dog hood ies ooh fort f5s flocks 7 8 eve over pent ave jam gave kiosk keys v e6s efforts;
Jan-20-17
Premium Chessgames Member
  patzer2: For yesterday's Thursday solution I went for 34. Rxg7, which wins after 34...Qxg7 (34... Kxg7 35. Nh5+ Kf8 36. e6 Qxe6 37. Qg7+ Ke8 38. Qh8+ Kd7 39. Qxa8 ) 35. e6 Rg8 36. Kc1 Bxe6 37. Nxh7 Qxd4 38. Ng5+ Bh3 39. Rxh3+ Kg7 40. Ne6+ Kf7 41. Nxd4 (+2.71 @ 22 depth, Deep Fritz 15).

However, much stronger is the game continuation <34. e6 Rxg4>

[34... Qxe6 35. Nxh7 Qe7 (35... Bxh7 36. Qxg7#) 36. Nf6+ Rh7 37. Nxh7+ Qg7 38. Qxg7#;

34... Bxe6 35. Rxh7+ Rxh7 36. Nxh7+ Kxh7 37. Qe4+ Kh6 38. Qe3+ Kh7 39. Qh3+ Qh5 40. Qxh5#]

<35. exf7 Rxd4 36. Ne8 1-0>

Black resigns in lieu 36...Rxe8 37. fxe8=Q+ Kg7 38. Qe5+ with mate soon to follow.

Black's game took a significant turn for the worse with 16...a3? allowing 17. b4 (+0.88 @ 32 depth, Komodo 10).

Instead, 16...b4 = to (+0.15 @ 20 depth, Deep Fritz 15) appears to give Black reasonably good counter chances.

Earlier I prefer 15...Nd7 = and 8...Nh5 = as in R Moll vs A Nickel, 2007.

P.S.: The combination from 34. e6! to the game's final move neatly combines the deflection, clearance, and passed pawn tactical themes.

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