The practice of chess indicates that the control is not easy to open chess. Opposition elements from all the openings that range from the efforts of whites benefit from the use of initiative in respect of the first movement from white to black resistance and reach the right counterweight experimental or creates a complication of the situation, with both parties the opportunity have the same attack.
One of the oldest openings and still popular until now known as the Ruy Lopez or Spanish Opening.This opening had never been applied several times world champion Anatoly Karpov and Viktor Korchnoi, the challenger to the world championship in Baguio City in 1978.
On this occasion we will try to shoot a sequel, which was reported by world champions Anatoly Karpov in Round 10 of the competition. The opening began with:
E2 e7-e5 1-24
NG1 2 - f3 Nb8 - c6
3 BF1 - a4 a7 - a6
4BGb5 - a4 NG8 - f6
0-0 Nf6 5 x E4
Open variety to the game to love.
D2-d4 b7-6 b5
7 BA4 - b3 d7 - d5
D4 e5 8 x BC8 - e6
9 NB1 - d2 NE4 - c5
10 c2 - c3 d5 - d4
Move the proposed Korchnoi was in "Encyclopedia of Chess Openings", with the possibility that the continuation of the 11 th cxd4, Nxd4 12Nxd4, Qxd4 Bxe6 13, Nxe6 Capablanca - Lasker, St. Petersburg in 1914 with the balance of the game. But the invention provides a new move by Karpov in the following way.
11 Nf3 - g5?
This spectacular move apparently surprised by his idea of the valley form sekondan enough for chess experts.
In this game, Korchnoi, after about 43 minutes in my mind refuses to sacrifice a white horse with 11 ... d4xc3 Ng5xe6 12, f7xe6, 13.b3xc3, Qd8-D3, 14-f3 ND2, Qd3xd1, 15.Bb3xd1, BF8-e7 and successfullyresists until the end of the game.
The interesting part is what happens when Black takes White Horse g5? Will White get outrageous attack and victory reachs?
Let's examine the possibilities
11 ... X g5 Qd8
12 DD1 - f3!
This is the heart attack white. Now Black has some defense Alternatively, we detail:
I. 12 ... Ke8-D7
II 12 ...BE6 - D7
III. 12 ... 0-0-0
I. 12 ... Ke8-D7
BB3-13 d5! Be6xd5
14 Qf3xd5 BF8-d6 +
Possible because 15.exd6?, 15 Qxd5 ND2-c4
And the attack white knight and the bishop of the Black Queen, regaining small pieces with a slight advantage.
II 12 ... BE6-D7
+ Ke8-e7 13 Bb3xf7
14BF7-d5
Here Mary Master of Yugoslavia proposed 14 and 15 BG5 + NE4
This is only win if Black continues with 14 ... 15 + BG5 Dxe5 Queen loses. But even with the defense 14 Black ... QF5! And now no BG5 15 + 15 ... Kxf7, while 15 Qxf5, Bxf5 16 Nxc5 Kxf7 White loses a piece. After 14 NE4, QF5 best train for white is 15 Nxc5, Qxf3 gxf3 16, 17 Kxf7 Nxd7, 18 dxc3 bxc3 and white, even though a farmer, the farmer earns very weak structure.
14 ...Nc6xe5
15 E2-d3-d4 QF3
QE2 16-e1
And for Keene, White has various threats such as destructive gxa8 17, 17 f4, 17 Nf3
But some experts doubt move to save a part of this opinion:
16 ... c7-c6
For example:
F2-f4-IIA 17 Qg5 h6
Qe1xe5 + Ke7 18-D8
It has a black defense satisfactory, BD5 back to white, will feature 19 ... BD6
Continue with 20 ...Kc7
II.B-17 ND2-f3 e5 Qg5!
BD5-18 b3 Ke7-d6
And the question is how white can be pieces snap back.
III. 12 ... 0-0-0
13 + Bb3xe6
If Ritter directly take c6, Black can also compensate, to make the game.
For example Qxc6 13, Qxe5 14 Nf3, Qd5! 15 Bxd5, Bxd5 Nxd4 16, 17 Nxc6 bxc6, Re8.
13 .. f7xe6
14 Qf3xc6 Qg5xe5
15 b2-b4Qe5-d5
After the success of black queen exchange forces, neutralize the threat of an attack to become white.
16 Qc6xd5 e6xd5
17 b4xc5 d4xc3
ND2-18 b3 d5-d4
The critical position is reached, the need for further research. But Symlov (black) have demonstrated against Timman European Club Championship in 1979 that blacks successfully defend the game after 19 Ba3, Be7 20 Bb4, 21 a4 f6 22 axb5 KD7, and so axb5of.
Completion
After several opportunities before, we can conclude that the white knight sacrifice G5 does not receive entirely bad for the black and can be considered to be black, while in the sequel, Black has to step carefully so as not to attack whites fall event. Timman said in his book on the championship match between Karpov and Korchnoi World, we are still waiting for a player with courage and knowledge to hang around up Karpov
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