Yusupov vs. Nogueiras
Montpellier Candidates 1985
Queen’s Gambit Declined, Exchange Variation
1 d4 d5 2 c4 e6 3 Nc3 c6 4
Nf3 Nf6 5 Bg5 Nbd7 6 cxd5 exd5 7 e3 Bd6 Black intends the ambitious plan of
…Nf8-g6, followed by …h6, forcing the exchange of White’s dark-squared bishop.
The defect is that his king has to stay in the centre for a long time. 8
Bd3 Nf8
After 8...Nf8
9 Ne5 The sharpest reply;
White’s intend f4, cementing his knight on e5. 9…Qb6 A rather
greedy move aiming at the b2-pawn. 9…Qe7 is a playable alternative, when 10 f4
h6 11 Bh4 g5 12 fxg5 hxg5 13 Bxg5 Rg8 14 Bh4 Bxe5 15 dxe5 Qxe5 16 Qf3 is
unclear, but an attacking player would favour White as Black’s king is trapped
in the centre for the time being. 10 0-0 White does not want
to spend tempo covering his b-pawn. 10…Bxe5 10…Qxb2 11
Rc1 is very dangerous; for example 11…Ng6 12 f4 0-0 13 Rc2 Qb6 14 Bxf6 gxf6 15
Ng4 Bxg4 16 Qxg4 with a very strong attack, Timman-Ljubojevic, KRO match (5),
Hilversum 1987. Black therefore decides to eliminate the dangerous knight, but
this has the effect of weakening his dark squares. Black is not yet seriously
worse, but the fact that his king is still in the centre means that even a
slight misstep could prove fatal. 11 dxe5
After 11 dxe5
11…Ng4? This move is a mistake
because of White’s strong reply. 11 N6d7 is correct, when 12 Bf4 (12 Qa4 is
dubious due to 12…Ne6) 12… Nc5 13 Na4 Nxa4 14 Qxa4 Ne6 was unclear in
Gulko-Smagin, Moscow 1984. 12 Qa4!
After 12 Qa4!
This exposes the weakness
of Black’s previous move: 12 Nxe5 loses to 13 Nxd5, while 12…Ne5 is impossible
as the g4-knight hangs. 12…Qxb2 After 12…Bd7 White can gain a
large advantage by either 13 e6 Bxe6 14 Nxd5 Bxd5 15 Qxg4 or 13 Qa3 f6 14 exf6
gxf6 15 Bf4. Since the alternatives are impossible, the text-move is
practically Black’s only constructive possibility. However, the dangers are
obvious. 13 Rac1
After 13 Rac1
Not, of course, 13 Nxd5?
Qxe5 and the threat of mate at h2 turns the tables. 13 Nb5 is also inferior
because 13…cxb5 14 Bxb5+ Bd7 15 Rab1 Bxb5 16 Qxg4 Bd7! is unclear. 13…Bd7 13…Nxe5
loses to 14 Rc2 Qb6 15 Nxd5, while 13…a5 14 Nb5! Ne6 15 Nd6+ Kf8 16 Qxg4 Qxe5
17 Nxc8 h5 18 Nb6 won for White in Hjartarson-Ljubojevic, Tilburg 1989 –
another zero for Ljubo in this line. 14 Qd4!
After 14 Qd4!
It is the relatively
quiet-looking moves which turn out to be the most deadly. By lining up the two
queens on the same diagonal, White sets up the threat of 15 Nxd5 (15 Ne4 and 15
Nb5 are also threatened). In addition, Black has to worry about the possibility
of 15 e6 Bxe6 16 Qxg7, trapping the rook. 14…f6 There is no
defense, e.g. 14…Ng6 15 e6 Bxe6 16 Bxg6 hxg6 17 Qxg7 Kd7 18 Rb1 and White wins,
or 14…Bc8 15 h3 Nh6 (15…Nxf2 fails to 16 Qc5) 16 Qc5 Ng8 (the position of
Black’s knights is comical, at least for everybody except Nogueiras) 17 Qd6 Ne6
(17…Nd7 18 e6 fxe6 19 Qxe6+ Kf8 20 Bf4 is decisive) 18 Nxd5 cxd5 19 Rb1,
followed by 20 Bb5+. 15 exf6 gxf6 16 Bxf6 Rg8
16...Rg8
Or 16…Nxf6 17 Qxf6 Rg8 18 nxd5. 17 Nb5! The
discovered attack motif arises in any case. Now Black loses his queen. 17…Qxb5 17…Qxd4
18 Nd6# is an attractive mate. 18 Bxb5 Be6 19 Qb2 cxb5 20 Bh4 1-0
Source from:
GAMBIT: John Nunn’s 101 Brilliant Chess Miniatures (Pages 63 –
64)
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