nominations for most obscure rule in chess

nominations for most obscure rule in chess

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H

Joined
04 Nov 08
Moves
20508
31 Dec 13

I learnt chess. Then I learnt the en passant (I know this is a contradiction).
I noted the castling thread which is fairly obscure.
My nomination though is the rules that a game is a draw if you lose on time if opponent has insufficient material to mate. If (big if) I understand it correctly your own material is used against you on self mate principles.
If an arbitrator in a tourney are you expected to simply know the combinations? Actually who calls them on this site?

PDI

Joined
30 Sep 12
Moves
731
31 Dec 13

I am pretty sure that at this site if A runs out of timebank, B can claim the win even if B has nothing but a king left, and A still has lots of material.

st johnstone

Joined
14 Nov 09
Moves
417294
31 Dec 13

Originally posted by Paul Dirac II
I am pretty sure that at this site if [b]A runs out of timebank, B can claim the win even if B has nothing but a king left, and A still has lots of material.[/b]
in otb tournament rules...if player A has less than 2 minutes on the clock, and if playerB cant force mate...player A can claim a draw.

it happened to me a few months ago i had a king and rook against a king rook and pawn, i had over 20 minutes to his 2 on the clock. as i could not force a mate without him making a blunder he claimed the draw on 1 minute 58 seconds...i could have won on time but...rules are rules...😠

W

Joined
29 Oct 09
Moves
1421
31 Dec 13

Originally posted by roma45
in otb tournament rules...if player A has less than 2 minutes on the clock, and if playerB cant force mate...player A can claim a draw.

it happened to me a few months ago i had a king and rook against a king rook and pawn, i had over 20 minutes to his 2 on the clock. as i could not force a mate without him making a blunder he claimed the draw on 1 minute 58 seconds...i could have won on time but...rules are rules...😠
What does "can't force mate" mean? If it meant what it literally means, then I don't think it would be a good rule at all. It's very difficult to tell whether a player can force a mate or not in a lot of positions (including the starting position). If a player claims that the other player can't force a mate, who decides whether they indeed cannot? Is anyone supposed to provide a proof?

st johnstone

Joined
14 Nov 09
Moves
417294
31 Dec 13

Originally posted by WanderingKing
What does "can't force mate" mean? If it meant what it literally means, then I don't think it would be a good rule at all. It's very difficult to tell whether a player can force a mate or not in a lot of positions (including the starting position). If a player claims that the other player can't force a mate, who decides whether they indeed cannot? Is anyone supposed to provide a proof?
it depends on what pieces are left...if i had a pawn and rook it would not have been a draw..but king and rook v king rook and pawn...mate cant be forced without a blunder so he claimed a draw with under 2 minutes on his clock...the arbitor was watching and explained it to me after the game was over

S
Caninus Interruptus

2014.05.01

Joined
11 Apr 07
Moves
92274
31 Dec 13

Originally posted by roma45
it depends on what pieces are left...if i had a pawn and rook it would not have been a draw..but king and rook v king rook and pawn...mate cant be forced without a blunder so he claimed a draw with under 2 minutes on his clock...the arbitor was watching and explained it to me after the game was over
Hmm, that sounds wrong. Under FIDE rules the game goes on because both sides have mating material. Not sure what rules your local federation may have.

rc

Joined
26 Aug 07
Moves
38239
31 Dec 13

Originally posted by SwissGambit
Hmm, that sounds wrong. Under FIDE rules the game goes on because both sides have mating material. Not sure what rules your local federation may have.
Kinross and Perthshire, they make up their own rules!

K

Joined
08 Dec 12
Moves
9224
31 Dec 13

Originally posted by roma45
in otb tournament rules...if player A has less than 2 minutes on the clock, and if playerB cant force mate...player A can claim a draw.

it happened to me a few months ago i had a king and rook against a king rook and pawn, i had over 20 minutes to his 2 on the clock. as i could not force a mate without him making a blunder he claimed the draw on 1 minute 58 seconds...i could have won on time but...rules are rules...😠
What OTB rules are those, some sort of scholastic or private club?
Never heard of such in FIDE or USCF.

Senecio Jacobaea

Yorkshire

Joined
04 Jul 09
Moves
186554
31 Dec 13

Originally posted by KilgoreTrout15
What OTB rules are those, some sort of scholastic or private club?
Never heard of such in FIDE or USCF.
Article 10 FIDE rules - quick play finishes.

Winning by 'normal means' is the "elastic" phrase that causes all the trouble.

H

Joined
04 Nov 08
Moves
20508
31 Dec 13

Someone explained to me that mating material does not mean material sufficient to force a mate but to mate assuming your opponent is actually going to assist in getting mated. Is this correct for long play in fide?

any other nominations for obscure rules? eg starting with board wrong way round?

K

Joined
31 Jan 06
Moves
2598
01 Jan 14

I am not sure that your opponent can claim a draw when you can't force mate. If you have a mating possibility, then how can your opponent claim a draw because you can't force mate? Have you read the official rule book on that situation for OTB chess?

Secondly, insufficient material of your opponent is a reason for you to claim a draw even if you can run out of time for OTB chess if I am not wrong. Check the official rule book for that situation too on OTB chess. If I am not wrong, the US Chess Federation rule allows you to claim a draw when your opponent has insufficient material to check mate you. I don't think that Grandmasters just allow a draw to oblige his or her opponent.

Do you play within the US Chess Federation rules or do you play under FIDE rules?

Quiz Master

RHP Arms

Joined
09 Jun 07
Moves
48793
02 Jan 14

Originally posted by Habeascorp
I learnt chess. Then I learnt the en passant (I know this is a contradiction).
I noted the castling thread which is fairly obscure.
My nomination though is the rules that a game is a draw if you lose on time if opponent has insufficient material to mate. If (big if) I understand it correctly your own material is used against you on self mate principle ...[text shortened]... tourney are you expected to simply know the combinations? Actually who calls them on this site?
Castling queenside when I have a great kingside attack. WTF!