Author: Dan Ellwein
Date: 13:00:55 05/24/04
Go up one level in this thread
On May 24, 2004 at 13:26:29, John Merlino wrote: >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_OffSet likes exd5 with a score of -2.02... it does like c4 later on in the search P3/850 Time Depth Score Positions Moves 0:00 1/3 -0.58 1098 1...c4 2.Bc2 Bxc3 3.bxc3 exd5 4.exd5+ Qe7 0:00 1/3 -0.62 1945 1...exd5 2.exd5+ Qe7 3.Be3 O-O 0:00 1/4 -0.78 3156 1...exd5 2.exd5+ Qe7 3.Be3 Bxc3+ 4.bxc3 O-O 0:00 1/5 -0.89 11957 1...exd5 2.exd5+ Qe7 3.Qxe7+ Kxe7 4.O-O-O Bxc3 5.Bxc3 c4 0:00 1/6 -0.82 31792 1...exd5 2.exd5+ Qe7 3.Qxe7+ Kxe7 4.O-O-O c4 5.Bc2 Bxc3 6.Bxc3 0:00 1/6 -1.02 53973 1...c4 2.Bxc4 Nxc4 3.Qxc4 O-O 4.dxe6 Ne5 5.exf7+ Rxf7 0:01 1/7 -1.00 122047 1...c4 2.Bc2 Bxc3 3.bxc3 exd5 4.exd5+ Qe7 5.Be4 O-O 6.Rb1 0:03 1/8 -1.32 292633 1...c4 2.Bxc4 Nxc4 3.Qxc4 exd5 4.Qxd5 Nc5 5.Qe5+ Qe7 6.Qxe7+ Kxe7 7.Nd5+ Kd8 8.Bxb4 axb4 0:08 1/9 -1.29 762588 1...c4 2.Bc2 Bxc3 3.bxc3 exd5 4.exd5+ Qe7 5.d6 Qxe2+ 6.Kxe2 Kf8 7.Be3 Nd5 0:19 1/9 -1.42 1864377 1...exd5 2.exd5+ Qe7 3.Be3 c4 4.Bxc4 Nxc4 5.Qxc4 O-O 6.O-O Rfc8 7.Qd3 Ne5 0:38 1/10 -1.55 3874344 1...exd5 2.exd5+ Qe7 3.Be3 Bxc3+ 4.bxc3 c4 5.Bxc4 Nxc4 6.Qxc4 O-O 7.Qb5 Ne5 8.Ke2 Rfc8 1:33 1/11 -1.61 9243088 1...exd5 2.exd5+ Qe7 3.Be3 c4 4.Bxc4 Nxc4 5.Qxc4 O-O 6.O-O Rfc8 7.Qd4 Bxc3 8.bxc3 Re8 3:50 1/12 -1.71 23806034 1...exd5 2.exd5+ Qe7 3.Be3 O-O 4.O-O Bxc3 5.bxc3 c4 6.Bxc4 Rfc8 7.Bb3 Rxc3 8.Rab1 Nc5 10:34 1/13 -1.72 66856434 1...exd5 2.exd5+ Qe7 3.Be3 O-O 4.O-O c4 5.Bxc4 Nxc4 6.Qxc4 Rfc8 7.Qb3 Qe5 8.Rae1 Qf5 9.Kh2 Ne5 40:09 2/14 -2.02 258494034 1...exd5 2.exd5+ Qe7 3.Be3 O-O 4.O-O c4 5.Bxc4 Bxc3 6.bxc3 Rfc8 7.d6 Qxd6 8.Rfd1 Qe7 9.Bb5 Rxc3 Dan > >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
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.