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Thursday, May 31, 2012

Grunfeld Defence

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(2) Giffard,Nicolas (2333) - Bouton,Christophe (2070) [D90]
Syre Memorial op 33th Issy les Moulineaux (2), 14.05.2010

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Qa4+ c6 7.e4 With a slightly different move order we got the position from our line, when Black reacts with 5...c6. 7...Nxc3 [The alternative is 7...Nb6 examined in Fressinet,L (2718)-Ruck,R (2555)/Schachbundesliga 2010-11 2010 (15)/1-0] 8.bxc3 0–0

 9.Qa3!? This unnatural move temporarily stops Black's natural play connected with an attack on the white centre by means of c5, ¤c6 etc., but at the same time the white queen appears to be a bit misplaced on a3. [I believe the most natural 9.Be2 c5 10.0–0 Nc6 11.Be3 is White's best option. Here are two thematic examples: 11...Bd7 (11...cxd4 12.cxd4 Bg4 White appears to be ready for this play 13.Rad1 (An interesting idea would have been 13.d5N Ne5 (13...Bxa1 14.dxc6! seems quite promising for White) 14.Rab1²) 13...Qa5 14.Qb3 Bxf3?! (¹14...Qb4 15.Qxb4 Nxb4 16.Rd2²) 15.Bxf3 Qb4 16.Qxb4 Nxb4 17.Rd2 (17.e5!?) 17...b6 18.Rb1± 1–0 Mikhalevski,V (2516)-Koolhoven,M/Vlissingen 1999/EXT 2000 (28)) 12.Qd1! Qa5 13.d5 White's main idea in this kind of structure 13...Ne5 14.Nd2 Ba4?! (¹14...b6 15.Rc1²) 15.Qc1 Nd7 16.Rb1 b5 17.c4 a6 18.f4± and White was clearly better in Gustafsson,J (2603)-Van der Nat,N (2296)/Turin 2006/CBM 113 (30)] 9...Nd7 Another good example here: [9...b6 10.Bg5 c5 11.Rd1 Qc7 12.Be2 e6 13.0–0 Bb7 14.d5! exd5 15.exd5 a6 16.Qb3 and White was better in  Toth,E (2331)-Ernst,M (2177)/Budapest 2006/CBM 115 ext (34).] 10.Bg5 c5 11.Bd3 b6 12.0–0 Bb7 13.Rfe1

[Worthy of consideration would have been 13.d5 ] 13...h6 14.Bd2 Unclear. [14.Bh4 g5 15.Bg3 g4 16.Nh4 e6 17.d5 Ne5÷] 14...e6 15.Rad1 Qe7?! A quite unfortunate square for the black queen. It would be much better playing the normal [15...Qc7 16.h3 Rac8 and Black has a normal game without many problems.] 16.h3 [16.Ba6!?] 16...Rfd8 17.d5! exd5 18.exd5 Qd6 19.c4 b5 20.Qc1² White's passed pawn gives him better prospects. 20...Qf8 21.Ba5 Re8 22.Be2 Nf6 23.cxb5 Nxd5 24.Bc4 Nb6 25.Bxb6 axb6 26.Rd7 Bxf3 27.Rxf7 Rxe1+ 28.Qxe1 Qxf7 29.Bxf7+

 Kxf7 30.gxf3 Rxa2 31.Qe4 Rb2 32.Qb7+ Kf8 33.Qxb6 Bd4 34.Qd6+ Kf7 35.b6 Bxf2+ 36.Kf1 c4 37.Qf4+ Kg8 38.Qxc4+ 1–0