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Baadur Aleksandrovich Jobava vs Martin Neubauer
European Individual Championship (2010), Rijeka CRO, rd 1, Mar-06
Nimzo-Indian Defense: Saemisch. Capablanca Variation (E29)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Mar-07-10
Premium Chessgames Member
  Albertan: [Analysis:Deep Rybka 3: >=12...cxd4 13.cxd4 Na5 14.f5 Bxc4 15.f6!? d5 16.Bxc4 dxc4=] 13.e5N This push gains space and opens up the b1-h7 diagonal.This move is theoretical novelty for the position.Deep Rybka 3 gave a poor evaluation to this idea. [Analysis:Prior to this game the only move which had been played in this position was 13.d5 in the following game: 13.d5 Na5 14.Qe2 Qe7 15.e5 f5 16.d6 Qd8 17.a4 g6 18.Be3 Ng7 19.Rfb1 Kh8 20.Nf1 Qh4 21.Nd2 Qg4 22.Qf2 Qh5 23.Be2 Qh6 24.Nb3 Nxb3 25.Rxb3 Bb7 26.a5 Be4 27.axb6 axb6 Berczes,D (2453)-Zhigalko,S (2568)/Plovdiv 2008/CBM 124/0-1 (51)] 13...f5 Closing the kingside. [Analysis:Deep Rybka 3: >=13...cxd4!? 14.cxd4 Na5 15.a4 Nxc4 16.Qe2 Qe7 17.Ne4 d5 18.exf6 gxf6=] 14.d5= Attacking Neubauer's knight threatening to win a tempo. 14...Na5 Creating a double-attack against the white pawn on c4, which wins a tempo instead of losing one. 15.Qe2 The lost tempo. [Analysis:Deep Rybka 3: >=15.Qa4 g6 16.d6 Bb7 17.Qc2 Qh4 18.Be3 Ng7 19.Bd2 Rcd8=] 15...g6 Consolidates h5 16.d6 [Analysis:Deep Rybka 3: 16.Rd1 Nc7 17.Nf1 d6 18.Ne3 Nb3 19.Rb1 Nxc1 20.Rbxc1 Qe7=] 16...Ng7 [16...Qh4 17.Qa2 Bb7 18.Bd2 Rb8 19.Be1 Qh6 20.h3 Ng7 21.Qc2 g5=] 17.Ra2 [17.Qa2 Qh4=] 17...Rb8 [17...Qh4 18.Nh1=] 18.a4 [18.Rf2 Bb7=] 18...Qc8 [18...Qh4 19.Re1=] 19.Rf3 [19.Be3 Qc6=] 19...Kf7 Black king safety dropped [19...Bb7 20.Re3=] 20.Nf1 [20.Be3 Bb7=] 20...Rh8 [20...Nh5 21.Be3=] 21.Rh3 [21.Ne3 Rf8=] 21...Qc6 [21...Bb7 22.Qd1=] 22.Ne3 [22.Nd2 Qb7=] 22...Rbg8 [22...Qa8 23.Qe1 ] 23.Rh6 [>=23.Qf2 ] 23...Nh5? [>=23...Qc8= is a viable option; 23...Qa8] 24.Rxh5 gxh5 [24...Qa8 25.Rh6 ] 25.Qxh5+ Rg6 26.Nxf5 exf5 27.Bxf5 Qc8?? the position was bad, and this mistake simply hastens the end [27...Bxc4 28.Bxg6+ hxg6 29.Qxh8 Qe4 30.Qf6+ Kg8 31.Qd8+ Kg7 32.Qxd7+ Kf8 33.Qd8+ Kf7 34.Qc7+ Kf8 ] 28.Be4 [>=28.Bb1!? Qe8 29.f5 Kg8 30.Bh6 Bxc4 31.fxg6 hxg6 32.Bxg6 Qf8 33.Rf2 ] 28...Bb7 29.Bxb7 [29.Bb1!? Qe8 30.f5 Kg8 31.fxg6 hxg6 32.Qg4 ] 29...Qxb7 [29...Nxb7 desperation 30.f5 Qe8 31.fxg6+ hxg6 32.Qf3+ Kg8 33.Qxb7 Rh5 ] 30.f5 [>=30.Rf2 /\Qe4 31.f5 Ke8 32.fxg6 Qxg6 33.Qf3 Nc6 ] 30...Qe4 31.fxg6+ [>=31.Re2 and White can celebrate victory 31...Qd3 32.fxg6+ Qxg6 33.e6+ dxe6 34.Rf2+ Ke8 35.Qh4 ; >=31.Rf2 Ke8 32.fxg6 Qxg6 33.Qf3 Nc6 34.e6 Qxe6 35.Re2 Qxe2 36.Qxe2+ ] 31...hxg6 32.Rf2+ Kg7 33.Qg5 Qh4 [>=33...Qe1+ no good, but what else? 34.Rf1 Qh4 35.Qxh4 Rxh4 36.Bf4 g5 37.Bxg5 Re4 38.Rf4 Re3 39.Rg4 Rd3 40.Bf6+ Kf7 41.Rg7+ Ke6 42.Re7+ Kf5 ] 34.e6! Mate attack 34...dxe6?? [34...dxe6 35.Qe5+ Mate attack; 34...-- 35.Rf7+ Mate threat; 34...Qxh2+ 35.Kf1[] Qh1+ 36.Ke2 Qh5+ 37.g4 Qxg5 38.Bxg5 Rb8 ] 35.Qe5+ Kg8 [35...Kh7 does not improve anything 36.Rf7+ Kg8 37.Qg7#] 36.Qxe6+ [36.Qxe6+ Kg7 37.Qf7#] 1-0
Mar-07-10
Premium Chessgames Member
  Albertan: Here is some analysis of this game courtesy of Deep Rybka 3, myself and my chess resources:

Jobava,Ba (2695) - Neubauer,M (2465) Opening:Nimzo Indian Defense:Samisch variation ECO: [E29] 11th EICC Men Rijeka CRO (1), 06.03.2010
[Analyzed with Deep Rybka 3 for(120m)]

Baadur Jobava is a Grandmaster from the Republic of Georgia. Martin Neubauer his opponent is an International Master who is from Austria. 1.d4 Nf6 2.c4 Jobava uses a queen's gambit pawn formation to start the game. 2...e6 Allowing him to complete the development of his kingside. 3.Nc3 Bb4 Neubauer is playing the Nimzo-Indian Defense. 4.a3 This move gives us the variation of the Nimzo-Indian being played,it is known as the Samisch variation.Named for Friedrich (Fritz) Sämisch (September 20, 1896, Charlottenburg – August 16, 1975, Berlin) who was a German chess grandmaster.Jobava forces Neubauer to decide the future of his dark-squared bishop in the game. 4...Bxc3+ The main line,giving Jobava the two bishops at the cost of damaging the white queenside pawn structure. 5.bxc3 c5 The most often played move for black in this position.Neubauer is willing to sacrifice a pawn. 6.e3 Supporting his attacked pawn and also opening up the diagonal so he can develop his light-squared bishop. 6...0-0 The most popular way of continuing the game for the second player. 7.Bd3 Developing a minor piece,which prevents his opponent from playing ....Ne4. 7...Nc6 Neubauer continues to develop his minor pieces.This move creates more pressure agaisnt Jobava's d-pawn. 8.Ne2 Developing another minor piece, which results in the overprotection of his d-pawn.In addition now Neubauer can no longer gain a tempo by playing ...Qa5. 8...b6 Neubauer plays this pawn advance to give support to his c-pawn, and in addition it allows him to develop his bishop to a6 in the future. 9.e4 Jobava gains more pressure against the d5-square, and opens up the c1-h6 diagonal which will allow him to develop his dark-squared bishop.He now also threatens to play 10.e5. 9...Ne8 The most popular way of continuing. Neubauer deals with the threat of 10.e5 by retreating his knight before it can be attacked.Now possibly he intends to play the move ....f7-f5. [Analysis:Deep Rybka 3: 9...d6 10.0-0 Bb7 11.f3 h6 12.Be3 Na5 13.Ng3 Qc7=] 10.0-0 The most popular move for the first player to play in this position according to my database. 10...Ba6 Developing another minor piece,which results in an attack against Jobava's pawn on c4.This ties down Jobava's bishop to defend his attacked pawn on c4. 11.Ng3 Jobava spends a tempo to move his knight off the e-file.In addition now his e-pawn is overprotected.In addition this knight move now prevents Neubauer from playing 12...f5. 11...Rc8 Centralizing his rook. [11...Na5 12.f4 Bxc4 13.Bxc4 Nxc4 14.f5 cxd4 15.cxd4 f6 16.Rf4 Qe7 17.Qh5 (17.Rh4 Rf7 18.Qh5 h6 19.Qg6 Kh8 20.e5 Rc8 21.Ne4 Nxe5 22.dxe5 exf5 23.Bxh6 gxh6 24.exf6 Nxf6 25.Qxh6+ Nh7 26.Nd6 Rg7 27.Nxc8 Qc5+ 28.Kh1 Qxc8 29.Rc1 Qa8 30.Qd2 Kg8 31.Qa2+ d5 Berczes,D (2514)-Csonka,A (2275)/Hungary 2009/EXT 2010/1-0 (40)) 17...exf5 18.Nxf5 Qf7 19.Qh3 Ned6 20.Nxd6 Nxd6 21.e5 Nc4 22.exf6 gxf6 23.Rh4 Kh8 24.Bf4 Rae8 25.Rf1 Rg8 26.Rh6 Berczes,D (2513)-Socko,B (2631)/Gibraltar 2009/CBM 128 Extra/1/2-1/2 (110)] 12.f4 Preparing to advance his e-pawn to e5. 12...f6!? Influencing the e5-square,at the cost of weakening the pawn structure in front of his king.

Apr-08-17  clement41: 34 Qe7+ looks strong, too.
This kind of diagonal move backward relative to the other queen and within her reach is rare. 34...Qxe7 (else it's #1) 35 de with the big threat, eg on 35...Nxc4??, of playing either 36 Bh6+ or 36 Rf8 Rxf8 37 Bh6+! And wins So 35... Re8 36 Bg5 protevting e7 and the manoeuver Rd2/xd7/ d8 is decisive
Apr-09-17
Premium Chessgames Member
  Dionysius1: Those are two very nice themes <clement41>. The movement of the queen on the diagonal as it is attacked on to give check and force the better (overwhelmingly better) exchange than where it's been offered. And the use of a Bishop check on a defended square to lure the opponent away from a key square. Very nice!

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