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Saturday, April 28, 2012

Queen's Gambit Declined Slav, Dutch

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Queen's Gambit Declined Slav, Dutch (D19)
 Huebner,R - Mastrovasilis
Germany vs Greece match, Corfu, 1999

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.0–0 Nbd7 9.Qe2 Bg6 10.e4 0–0 11.Bd3 Bh5 12.Bf4 Qe7

The favoured move these days. [Instead, the sharp 12...e5 is met by 13.dxe5 Ng4 14.Qc2 when Black hasn't been able to equalize, e.g. 14...Qa5 15.Na2! Rfe8 16.Be2 Bg6 17.Bg3! and Black has problems getting his pawn back, B.Kouatly-E.Meduna, Trnava 1987.; Once upon a time they used to play 12...Re8 , but the text (which links the rooks) is considered to be slightly more flexible. Play could then continue 13.e5 Nd5 14.Nxd5 cxd5 and we obtain the same central pawn formation as in the game. Continuing further with 15.h3 a6 16.Rfc1 Nb8! (redeploying to c6 is a typical manoeuvre in this line and represents a better option than 16...Be7 17.Rc3!? Bxf3 18.Qxf3 Nb8? , as after 19.Bxh7+ Kxh7 20.Qh5+ Kg8 21.Rg3 Black was in trouble in L.Polugaevsky-E.Torre, London 1984) 17.g4 Bg6 18.h4 Nc6 19.h5 Bxd3 20.Qxd3 f6 21.Kg2 , L.Polugaevsky-J.Gomez Baillo, Lucerne 1985, and now Black should switch back to the f-file with 21...Rf8 .] 13.e5 Nd5 14.Nxd5 cxd5 15.Rfc1

 [The continuation of L.Gofshtein-M.Sadler, Ischia 1996, was instructive: 15.Qe3 Rfc8 16.a5 Bg6 17.Ra4 Bxd3 18.Qxd3 Rc4 19.h4? (White should play something like 19.Bg5 Qf8 20.Bd2 Bxd2 21.Rxc4 dxc4 22.Qxd2 to hold the balance) 19...h6 20.h5 Nc5! (a surprise!) 21.dxc5 Rxf4 and Black had the advantage.] 15...Nb8 [The sensible 15...Rfc8! is playable, when (if need be) Black can play ...Nf8 to defend.TIP: Taking time to improve your pieces is commendable, but don't forget to look after your king!] 16.Qe3 Nc6!? [After 16...Bxf3 17.Qxf3 Nc6 Black's king would be too vulnerable.] 17.Ng5 Bg6 18.Bxg6 fxg6 19.Qh3 Forking e6 and h7, but it's far from over... 19...h6 20.Qxe6+ Qxe6 21.Nxe6

 Rfe8? [Black misses a reasonable chance of saving the game with 21...Nxd4! 22.Nxf8 (22.Nxd4 Rxf4 23.Ne6 Rf7 is equal) 22...Rxf8 23.Be3 Nb3 24.Bxa7 Ra8 25.Bb6 Nxc1 26.Rxc1 Rxa4 27.Kf1 with only a small pull for White.] 22.Nc7 Nxd4 23.Rd1 Ne2+ 24.Kf1 Nxf4 25.Nxe8 Rxe8 26.Rd4

Black had probably overlooked this fork when playing 21...Rfe8, so now he loses the exchange and with it any hopes of saving the game. 26...a5 27.Rxf4 Rxe5 28.Rd1 Threatening Rfd4. 28...Bc5 29.Re1 Rh5 30.h3 b6 31.Re8+ Kh7 32.Ke2 d4 33.Kd3 Rd5 34.Rf7 g5 35.Rb8 Rd6 36.Rbb7 Rg6 37.Ke4 d3 38.Kxd3 Rd6+ 39.Kc4 Bd4 40.Rfd7 Rxd7 41.Rxd7 1–0