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| From | Message | Posted by lapsekili
play-online-chess.com
11/01/2008
04:40:08
Play online chess |  Subject: The Two Knights Defence
Message:
e4 e5 Af3 Ac6 Fc4 Af6
How must white contunie?
| Posted by blake78613
play-online-chess.com
11/01/2008
10:39:38
Play online chess |
Message:
What language is your notation in, and can you translate to English?
| Posted by jstevens1
play-online-chess.com
11/01/2008
11:14:17
Play online chess | Two knights Defense
Message:
Let me see, I think he means:-
1. e4 e5
2. Nf3 Nc6
3. Bc4 Nf6
This is characteristic of the Two Knights Defense and black usually gives up a pawn to inflict retarded development on white by this continuation:-
4. Ng5 d5
5. exd5 Na5
6. Bb5+ c6
7. dxc6 bxc6
8. Be2 h6
9. Nf3 e4
10. Ne5 Bd6
And black is better developed which may compensate for the pawn minus.
Joanne
———
Chess piece value — When I teach a class of beginning players, it is customary to explain the “value” of the chess pieces. If both sides exchange pieces, knowing their approximate value will help explain who gets the better deal. Some things are pretty obvious, like if I capture a queen and my opponent captures a bishop, we both know who is doing better. But some things are not so clear. I try to make analogies when I teach. Some hit the mark, and some confuse the student even more! But before I try to confuse my readers, let us look at standard values: Queen = 9, Rook = 5, Bishop = 3, Knight = 3, Pawn = 1. The king does not have a capture value, since we do not capture the king. (You can’t say, “I captured his knight and two pawns for...
Posted by lapsekili
play-online-chess.com
11/01/2008
15:07:54
Play online chess | sorry
Message:
I wrote notation in Turkish by mistake.Thanks for answer.
———
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Posted by ionadowman
play-online-chess.com
11/02/2008
12:12:16
Play online chess | Joanne has given one of the main lines...
Message:
... of the Two Knights' Defence, but maybe a bit more detail is called for.
After 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 ...
White can choose between 4.Ng5; 4.d4 or even the more circumspect 4.d3. Some people prefer the non-committal 4.0-0.
There has long been a theoretical controversy whether 2.Ng5 (a "beginner's move according to Siegbert Tarrasch) or 4.d4 is the stronger. Personally, I go for the knight move.
After 4.Ng5, it would seem that Black has to do something about the attack against f7. The most usual response is 4...d5 5.exd5. Now, you might be wondering why Black doesn't just retake on d5 (5...Nxd5). The answer is that White gets a tremendous attack beginning with a knight sacrifice on f7:
4.Ng5 d5
5.exd5 Nxd5?
6.Nxf7+!? ... (A more circumspect approach is 6.d4)
6...Kxf7
7.Qf3+ Ke3 - Just about essential, to keep the d5-knight.
Now White just piles up the pressure on the d5-knight:
8.Nc3 Nb4
9.a3 Nxc2+
10.Kd1 Nxa1
11.Nxd5 Kd6
12.d4 ... and White has a powerful attack against the exposed Black king. This line is known as the Fegatello Attack, or the "Fried Liver" Attack.
Occasionally Black will just ignore the threat to his f7;
1.e4 e5
2.Nf3 Nc6
3.Bc3 Nf6
4.Ng5 Bc5!? - the Wilkes-Barre or Traxler Variation.
White can choose which capture on f7, or just play quietly, 5.d4. Although the knight capture looks the more immediately profitable, the bishop take is thought probably to afford more long-lasting benefits. The problem with the knight capture is that it provokes a very violent response from Black:
5.Nxf7!? Bxf2+!
6.Kxf2 (Kf1 might be better)
6...Nxe4+
7.Kg1 ... Just about essential. If, say, 7.Ke1, Qh5+ 8.g3 Nxg3 is terrible for White.
7...Qh4
Black has a strong attack, but White has good chances of survival.
Back to the main lines after 4.Ng5, Black has a couple of moves other than 5...Na5 to respond to the pawn capture on d5:
4.Ng5 d5
5.exd5 Nd4!? - the Fritz Variation
5... b5!? - the Ulvestad Variation
Both are quite playable and interesting for Black. Maybe we can discuss those lines another time.
Suffice to say, The Two Knight's Defence is one of my favorite openings for Black. It is a pity I rarely get a chance to play it!
Cheers,
Ion
———
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