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RUY LOPEZ
Cordel s (Classical)
Defense
1 e4 e5 2 Nf3 Ncfi 3 Bb5 Bc5
4
c3........................................................................................................................................................0—0
f5.............................................................Nge7..........................
Nf6
Qf6(p)
5
d4
0-0!(i)
d4.......................0-0
c3
fxe4
Bb6
exd4(j)
0-0(m)
Nge7
6
Bxc6
d4
e5
d4
Rel
dxc6(b)
exd4
Ne4
Bb6
h6
7
Nfd2.................... Nxe5
cxd4
0-0
Bg5(n)
d4
Bd6(c)
Bd6
d5
d5(k)
h6
Bb6
8
dxe5
Qh5+
exd5
Nxd4(l)
Bh4
Na3
e3
g6
Nxd5
0—0
d6
0—0
9
exd6(d)
Qe2(f)
Re1+
f3
a4
Nc4 ±
exd2+
Qh4(g)
Be6
Ng5
a5
10
Nxd2
h3
Bg5 ±
Be3
Qd3
Qxd6(e)
Be6(h)
f6
exd4(o)
(a) 5 exf5?! e4 6 d4 exf3 7 dxc5 Qe7±
8 He3 fxg2 9 Rgl Nf6 Vasiukov—Arsenyev, Rostov
poSi- 1962
(b) 6 . . . exf 3 7 Bxf 3 exd4 8 0—0! Nf6 9 Rel± is good for White, Torre—Tatai, Haifa 1976.
(c) A very tricky move is 7 ... Qg5?! 8 dxc5 Nf6 (8 ... Qxg2 9 Qh5±) when White must play carefully. On the natural 9 0—0 Bh3 10 g3 then 10 ... 0—0—0! gives Black a big attack. Best is 9 Qe2! Qxg2 10 Qfl Qg4 11 Nc4 Qh5 12 Be3 Be6 13 Nbd2 0—0—0 14 Qg2 when Black does not have enough for the piece, de Firmian—Rodgers, Philadelphia 1986.
(d) 9 fxe3 Bc5 10 Qh5t g6 11 Qf3 also gives White an edge.
(e) 11 0—0 Be6 12 Qh5± , Stern—Snyder, corr. 1978.
(f) An old line is 9 Nxg6?! Nf6 10 Qh6 Rg8 11 Ne5 Qe7 12 Bg5 BxeS 13 dxe5 Ng4 14 Qh5± Qf 7 = (Tarrasch).
(g) 9 ... Bf5 10 Bf4 Nf6 11 Nd2 0—0 12 0—0 Qe7 13 f3 exf3 14 Ndxf3 and White has a grip in the center, Mestel—Plaskett, Brighton 1984.
(h) 11 Nd2 BxeS 12 dxe5 Qg5 13 0—0 Bxh3 14 Qxe4 ±, Vasiukov—Miagmasuren, Havana 1967.
(i) 5 d4 exd4 6 cxd4 Bb4t 7 Bd2 Bxd2± 8 Qxd2 a6! 9 Ba4 d5 10 exd5 QxdS 11 Nc3 Qe6t 12 KfI Qc4t =, Alekhine—Bogolyubov, St. Petersburg 1913.
(j) Bbfi 6 dxe5 (6 Nxe5 Nxe5 7 dxe5 Nxe4 8 Qg4 Bxf2~t 9 Ke2 Qh4 10 Qxg7 Rf8 11 Nd2 Nxd2 12 Bxd2 Bc5 13 Rhfi (Short—Gulko, Linares 1989] 13 . . . Qe4t 14 Kdl Qg6 =) 6Nxe4 7 Qe2 d5- 8 exd6 0—0 9 dxc7 Bxc7 10 0—0 Re8 11 8e3 Bg4 12 Nbd2 Nxd2 13 Qxd2 Qf 6 with play for the pawn, Ivanchuk—Gulko, Linares 1989.
(k) On 7 ... dxc3 8 Qd5 is very strong.
(1) 8 exdfi 0-0! 9 dxc7 Qxc7 10 cxd4 Nxd4! 11 Nxd4 Qh6 12 Bd3 Nxf 2 with excellent chances for Black, Hesse—Beyen, corr. 1975.
(m) 5 ... Nxe4 ?! 6 Qe2 f5 7 d3 is bad for Black.
(n) (A]
7 Bxc6 dxcfi 8 NxeS Nxe4 =, OKelly—Karaklajid, Bognor Regis 1960. (B]
7 Ret exd4 8 cxd4 dS 9 e5 Ne4 10 Nc3 Bg4 11 Bxc6 bxcfi 12 Nxe4 dxe4 13
Rxe4 Bxf3 14 Qxf3 Bxd4
Unzicker—Fischer, Leipzig 1960. 4 0
(o) 11 Bxc6! bxc6 12 Nxd4 gives White the edge, Kavalek—Spassky, Solingen 1977. H
(p) (A)
4... Nf6 transposes to the Berlin Defense (col. 7). (B)
4... Nd4 5 b4! (Zaitsev] Bxb4 6Nxd4 exd4 7Bh2 ±. (C)
4...d6 5c3 Bd7 6d4 Bb6 7 Bg5±.