What is a sacrifice?

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Avatar of JayeshSinhaChess

I understand that sacrifice means trading down or giving up material without taking any material in return.

 

However in this position -

 

 
Its not 'really' a queen sacrifice, for you are delivering # the following move so the queen sac helps white.
 
However isn't this true for all sacs, you sac a piece because it helps you, or else why would you do it.
 
So in that sense what truly is a sacrifice. Does a sacrifice count only when it is speculative in nature.
Avatar of Hawksteinman
I guess it’s a sacrifice
Avatar of Los_Tenyos_Krowo
Shut the fuck up.
Avatar of Hawksteinman
Los_Tenyos_Krowo wrote:
Shut the fuck up.

Language

Avatar of Los_Tenyos_Krowo
Hawksteinman wrote:
Los_Tenyos_Krowo wrote:
Shut the fuck up.

Language

Was I addressing u...

 

No

Avatar of Rocky64

A sacrifice means you lose X on purpose to gain Y (something better). If you don't gain anything back, it'd be a blunder or an unsound sacrifice. The example in the OP is definitely a sacrifice, albeit a simple one - you lose the Q to gain a checkmate.

Avatar of cellomaster8
A sacrifice is when you give up a piece of your position to better another part of your position. In this case, you are giving up material for mate so, yes, it’s a sacrifice.
Avatar of stiggling

I wouldn't call the OP mate a sacrifice, I'd just call it a forced mate.

But it doesn't really matter what we call it. You can call it a sacrifice.

 

Avatar of blueemu

The line between a sac and a pseudo-sac is hard to draw. Is it only a sacrifice if it's unsound? That seems rather restrictive. In common usage, it's a pseudo-sac if there is an immediate and obvious tactical follow-up, and called a sacrifice if the follow-up is harder to find.

Here is Troinov vs Popov, for example. Even though the win is forced and amenable to calculation, I would still call this a sacrifice, not a pseudo-sac.

 

Avatar of stiggling

Yeah, to me it depends on how hard the followup is to find.

Also on the evaluation. If it's just equal after the sacrifice, I'm more likely to think of it as a sacrifice. If it's just bad, then a blunder, if it's immediately winning then I'd think of it as a tactic or combination.

Avatar of Los_Tenyos_Krowo

It s a forced mate..not a sac