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16 votes
Accepted

Why Qxd5 instead of Rxd5?

After 1...Rxd5 2.cxd5, both queens are attacked. They either both get captured, or (if black moves his to safety) neither is. So black lost the exchange. After 1...Qxd5 2.cxd5 Nxe2, white has lost a ...
RemcoGerlich's user avatar
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13 votes
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Would Quadruple forking be considered a brilliant move according to Stockfish?

Stockfish has no concept of what a "brilliant move" actually is. It just gets a position as an input and returns an evaluation number for each of the possible continuations. All the labels ...
David's user avatar
  • 16.3k
12 votes
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Is there a name for fork-protected pieces?

I agree with asdf regarding the idea that there isn't a name specifically attached to indirect protection of a piece stemming from a fork. However, in general, pieces that are protected by any tactic, ...
Brandon_J's user avatar
  • 2,214
7 votes

Why is Ne4 considered as an inaccuracy whereas it is one of very few moves which saves d3 pawn?

Calling it an "inaccuracy" is nothing more than the engine saying that it evaluates the position after one move to be a certain amount better than after another move. It doesn't necessarily ...
D M's user avatar
  • 19k
6 votes

Is there a name for fork-protected pieces?

I don't know about English. In spanish we use the term "defensa indirecta" or "protección indirecta", but it does not refer specifically to indirect protection/defence by fork, it could be a threat of ...
David's user avatar
  • 16.3k
6 votes

Which opening contains this trap?

Adding to Philip's answer, I more remember it from the Scandinavian, because there the bQ gets out early anyway and it takes much less patzer moves to irreversibly trap it this way. Example: [FEN &...
Hauke Reddmann's user avatar
5 votes
Accepted

Why is forking the king and rook a blunder in this Halloween Gambit line?

White only wins one point in material for this tactic but loses a load full in position. It is complicated and you must run through the line to see why it fails. The game will continue like this: [FEN ...
Michel Mainville's user avatar
5 votes

Which opening contains this trap?

A configuration of pieces like this can occur in many Sicilian sidelines, or with colors reversed in the English. For example 1. e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Nc3 Qb6 5.Nd5, or 1.c4 e5 2.Nc3 Bb4 3.Qb3 ...
Philip Roe's user avatar
  • 8,230
3 votes
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Why does White play Qxd4?

1. exd6 is bad because it opens up the bishop on g7. This would happen anyways, but it just made Black's job easier. It also completely opens the centre, which is not a good thing to do, especially ...
double-beep's user avatar
  • 4,350
3 votes
Accepted

Bird's opening problems

You have some options. You could abandon 7. Nbd2 because it allows 7. ... Ng4; the standard choices in the main line are 7. Qe1, 7. c3, and 7. Nc3, much like the regular Leningrad Dutch. If Black ...
KnightFork's user avatar
2 votes
Accepted

Which opening contains this trap?

There is also one line in the Modern, which pretty much matches your setup: [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"] 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Qa5 5. Bd2 ...
Keba's user avatar
  • 616
1 vote
Accepted

How rare are double forks in high-level games?

I ran this CQL query against Mega Database 2023 to find some interesting games: cql(input Mega_Database_2023.pgn) btm piece wp in A { [bnrqk] attackedby wp > 1 // wp forks at least 2 black ...
double-beep's user avatar
  • 4,350

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