Author: John Merlino
Date: 10:26:29 05/24/04
Go up one level in this thread
On May 24, 2004 at 10:02:28, José Antônio Fabiano Mendes wrote: >Please see = http://www.washingtonpost.com/wp-dyn/articles/A50645-2004May23.html > >Carlsen - Nielsen = 12th Sigeman tournament, May 2004 > >1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4!? (Former world champion >Alexander Alekhine gave credit for this knight move to Orla Hermann Krause, a >Danish analyst who found many new ideas in the Slav defense in the 1920s. White >wastes time to eliminate the ominous black's queen bishop at all costs. The >leading alternative today is 6.Ne5.) 6...Bg4 (In the game Alekhine-Stolz, Bled >1931, black played 6...e6, which Alekhine considered natural and good. He wrote: >"White will enjoy a pair of bishops [after 7.Nxf5 exf5 8.e3], but as long as >black is able to control the central squares he should not have much to fear." > >Most common is the retreat 6...Bc8. Alekhine advocated 7.e3 e5 8.Bxc4 exd4 >9.exd4 "with slightly better prospects for white." Garry Kasparov picked up this >line almost 60 years later but without much success. More interesting is the >piece sacrifice 7.e4 e5 8.Bxc4 exd4 9.Nf3!?, for example 9...dxc3 10.Bxf7+ Ke7 >11.Qb3 with messy prospects.) > >7.h3 (Black can meet 7.f3 with 7...Bd7, for example 8.e4 e6 9.Bxc4 [9.g3 b5!] >Nxe4! with an edge.) 7...Bh5 8.g4 Bg6 9.Nxg6 hxg6 10.e3 e6 11.Bxc4 Bb4 12.Bd2 (A >useful developing move. 12.Qf3 was played before, but it may not be the best >square for the queen.) 12...Nbd7 13.g5 (Carlsen decides to take the center at >the expense of overextended pawns.) 13...Nd5 14.e4 N5b6 15.Bb3 a5 16.Qe2 c5!? >(The other break 16...e5?! was played in Carlsen- Andriasian in Budva, >Montenegro, last year. After 17.dxe5 Nxe5 18.0-0-0 Nd3+ 19.Kb1 Nc5 20.Nb5!? Nxb3 >21.Bxb4 axb4 22.Rxd8+ Rxd8 instead of 23.Nc7+?, white should have played >23.Rd1!, for example 23...cxb5 24.Rxd8+ Kxd8 25.Qd1+; or 23..Ke7 24.Nd6! and >white wins.) > >17.d5 c4!? (A promising pawn sacrifice, giving black plenty of play on the weak >light squares.) Here's the position: [D]r2qk2r/1p1n1pp1/1n2p1p1/p1pP2P1/Pb2P3/1BN4P/1P1BQP2/R3K2R b KQkq - 0 17 CM_SKR on an AMD 2500 likes c4 right away. It also says to NOT accept the sacrifice: Time Depth Score Positions Moves 0:00 1/3 0.14 1329 17...c4 18.Bxc4 Nxc4 19.Qxc4 Rc8 20.Qd3 0:00 1/4 0.05 3785 17...c4 18.dxe6 cxb3 19.exd7+ Qxd7 20.Qb5 Bxc3 21.Bxc3 Qxb5 22.axb5 0:00 1/5 0.00 15177 17...c4 18.Bxc4 Nxc4 19.Qxc4 Rc8 20.Qd4 O-O 21.O-O-O 0:00 1/6 0.00 65033 17...c4 18.dxe6 cxb3 19.exd7+ Qxd7 20.O-O-O O-O 21.Bf4 0:00 1/7 0.02 136091 17...c4 18.Bxc4 Nxc4 19.Qxc4 Rc8 20.Qd4 e5 21.Qd3 O-O 22.O-O-O 0:02 1/8 -0.04 473441 17...c4 18.Bc2 Nc5 19.Be3 O-O 20.O-O-O Bxc3 21.bxc3 Qc7 22.d6 0:04 1/9 -0.04 1014476 17...c4 18.Bc2 O-O 19.dxe6 fxe6 20.O-O-O Bxc3 21.bxc3 Nc5 22.f4 Qc7 0:09 1/10 -0.07 2168894 17...c4 18.Bc2 O-O 19.dxe6 fxe6 20.f4 e5 21.Rf1 Qc7 22.Qh2 Nc5 0:23 1/11 -0.09 5286893 17...c4 18.Bc2 O-O 19.dxe6 fxe6 20.O-O-O Bxc3 21.Bxc3 Qxg5+ 22.Kb1 Qh4 23.Bd4 e5 24.Be3 1:08 1/12 -0.17 15714791 17...c4 18.Bc2 O-O 19.dxe6 fxe6 20.Be3 Qc7 21.O-O-O Bxc3 22.bxc3 Nc5 23.f4 Rad8 24.Rhf1 2:55 1/13 -0.09 41370521 17...c4 18.Bc2 Nc5 19.O-O-O Bxc3 20.Bxc3 Qxg5+ 21.Kb1 O-O 22.Bd4 Rac8 23.dxe6 fxe6 24.Be3 Qe5 8:39 2/14 -0.01 125666559 17...c4 18.Bc2 exd5 19.exd5+ Kf8 20.O-O-O Bxc3 21.bxc3 Nc5 22.Bf4 Kg8 23.h4 Ncxa4 24.Qe3 Nxd5 25.Bxa4 Nxe3 26.Rxd8+ Rxd8 27.Bxe3 jm
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