Different Chess Rules On Chess.com Than In Iceland

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skakmadurinn

Hi. Here in Iceland, when you win on time WHEN YOU CAN DO CHECKMATE you win the game! Fx if you have one bishop and your opponent one knight on the board and the guy with the knight runs out of time he will LOSE. (because the guy with the bishop can checkmate) But in that position on the chess.com live chess it is draw. Why is that? How are the FIDE rules?

This has happened in live chess to me here and it is draw! This has not happened to me in a otb blitz game in Iceland but I have seen it! I have seen people lose like this but draw on the internet?! Again, what is right? The win or the draw?

On chess.com - One bishop against on knight, the knight guy loses on time - DRAW

Also on chess.com - One pawn against one knight, the knight guy loses on time - The one with the pawn WINS

WHAT IS THIS??

JFK-Ramsey

I always want to learn. Please tell me how to checkmate with just a Bishop.

skakmadurinn

White king on h1, white knight on g1 and black bishop on h3 and black king on g3! Then Bg2 checkmate!

 

I'm not stubit, ofcourse you cant checmate just with a knight, I never said that. I said '' if you have one bishop and your opponent one knight on the board''

 

Okay?

LoekBergman

skakmadurinn

@LoekBergman thank you!

So why is this position before the mate a draw in the chess.com live chess?

LoekBergman

It is about mating potential. You must have enough material to checkmate your opponent if both are playing good. The two positions above are checkmates, but require or the be the end of a combination or a lot of help from the opponent.

Both sides can not force mate, that is why it is considered a draw.

When you have a pawn against a knight, then might that pawn change into a queen or rook and have enough mating potential. The knight will never have that.

TBentley
  • Automatic draw on time-out if opponent has insufficient mating material: KB, KN or KNN

http://www.chess.com/blog/webmaster/live-chess-gets-some-love

The admins figured it was better to incorrectly evaluate some won games as draws, than to incorrectly evaluate some drawn games as losses.

rooperi

As far as I know:

Fide rule says any legal series of moves

USCF rule talks about insufficient winning chances

Probably the site follows USCF. Thats my guess, but I could be totally wrong

skakmadurinn

But in blitz in Iceland it is ALWAYS win for the one that can checkmate! Though he needs a little help!

baddogno

Pretty much the official rules of chess, at least as far as I understand them.  This is from the "help & support" articles on "how to claim a draw".

Finally, note that in cases where the opponent has insufficient material to mate (lone King, King + Knight, King + Bishop, King + 2 Knights) a draw will be automatically declared where there is a time-out.

I'm sure you're not convinced so let me search the forum archives for you:

http://www.chess.com/forum/search?keyword=insufficient+material

skakmadurinn

There can only be one legal way.

It is very strange that with the same position it is draw on chess.com and the USA but win in the lands that use the fide rules.

justplaythegame

KBvKN = both can checkmate. Why does the guy with the knight deserve to lose? A draw is a fair result IMO

rooperi
justplaythegame wrote:

KBvKN = both can checkmate. Why does the guy with the knight deserve to lose? A draw is a fair result IMO

because he ran out of time

K+Q vs K+Q wins if your opponent runs out of time

TBentley

It should also be noted that in many of these games, if they were OTB games under FIDE rules, the player short on time would call the arbiter and claim a draw under 10.2. "If the arbiter agrees the opponent is making no effort to win the game by normal means, or that it is not possible to win by normal means, then he shall declare the game drawn."

ilikecapablanca

ilikecapablanca

:)

madhacker
TBentley wrote:

It should also be noted that in many of these games, if they were OTB games under FIDE rules, the player short on time would call the arbiter and claim a draw under 10.2.

This is the point. There's no arbiter on the internet, so there can't be any rule 10.2. What Chess.com has done by awarding the automatic draw is the closest possible approximation of 10.2.

rooperi

There still seems to be a lot of confusion about 10.2

This rule does not apply all the time, it applies only in the last 2 minutes of a quickplay finish. You cannot invoke 10.2 during normal time controls. If that position occurs on move 35 of a 40move/2 hr game, and you run out of time, you lose. (Fide)

If you survive the time control, and the (eg) following 20 move/1hr control, and you reach the quickplay finish, you can invoke 10.2 only when you have less than 2 mins left on your clock.

MCFan
skakmadurinn wrote:

Also on chess.com - One pawn against one knight, the knight guy loses on time - The one with the pawn WINS

WHAT IS THIS??

An interesting and legitimate question ruined by the moronic end to your post. How could you possibly have a problem with this knight vs pawn scenario?

JFK-Ramsey
skakmadurinn wrote:

White king on h1, white knight on g1 and black bishop on h3 and black king on g3! Then Bg2 checkmate!

 

I'm not stubit, ofcourse you cant checmate just with a knight, I never said that. I said '' if you have one bishop and your opponent one knight on the board''

 

Okay?

Thanks. As I said, I always like to learn. Had not seen that before.

Thanks again (And by no means, did think anyone was stupid).