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chomp

 
Dictionary: chomp   (chŏmp) pronunciation

v., chomped, chomp·ing, chomps.

v.tr.
To chew or bite on noisily: a horse chomping oats. See synonyms at bite.

v.intr.
To chew or bite on something repeatedly: chomping on a cigar.

n.
The act or an instance of vigorous biting: "He finished the last of his sandwich with a single chomp" (Anne Tyler).

[Variant of CHAMP1.]


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Thesaurus: chomp
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verb

  1. To bite and grind with the teeth: champ, chew, chump, crump, crunch, masticate, munch. Regional chaw. See mouth.
  2. To seize, as food, with the teeth: bite, champ, gnash, gnaw. See attack/defend, ingestion.

Hacker Slang: chomp
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1. To lose; specifically, to chew on something of which more was bitten off than one can. Probably related to gnashing of teeth.

2. To bite the bag; See bagbiter.

A hand gesture commonly accompanies this. To perform it, hold the four fingers together and place the thumb against their tips. Now open and close your hand rapidly to suggest a biting action (much like what Pac-Man does in the classic video game, though this pantomime seems to predate that). The gesture alone means ‘chomp chomp’ (see Verb Doubling in the Jargon Construction section of the Prependices). The hand may be pointed at the object of complaint, and for real emphasis you can use both hands at once. Doing this to a person is equivalent to saying “You chomper!” If you point the gesture at yourself, it is a humble but humorous admission of some failure. You might do this if someone told you that a program you had written had failed in some surprising way and you felt dumb for not having anticipated it.


Wikipedia: Chomp
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Chomp is a 2-player game played on a rectangular "chocolate bar" made up of smaller square blocks (rectangular cells). The players take it in turns to choose one block and "eat it" (remove from the board), together with those that are below it and to its right. The top left block is "poisoned" and the player who eats this loses.

Contents

Example game

Below shows the sequence of moves in a typical game starting with a 3 × 5 bar:

Initially Player A Player B Player A Player B
xoooo xoooo xoooo x     x        
ooooo oooo  oooo o     
ooooo oooo  o    o  

Player A must eat the last block and so loses.

Who wins?

Chomp belongs to the category of impartial 2-player perfect information games.

It turns out that for any rectangular starting position bigger than 1 × 1 the 1st player can win. This can be shown using a strategy-stealing argument: assume that the 2nd player has a winning strategy against any initial 1st player move. Suppose then, that the 1st player takes only the bottom right hand square. By our assumption, the 2nd player has a response to this which will force victory. But if such a winning response exists, the 1st player could have played it as his first move and thus forced victory. The 2nd player therefore cannot have a winning strategy.

Computers can easily calculate winning moves for this game on two-dimensional boards of reasonable size.

Generalisations of Chomp

3-dimensional Chomp has an initial chocolate bar of a cuboid of blocks indexed as (i,j,k). A move is to take a block together with any block all of whose indices are greater or equal to the corresponding index of the chosen block. In the same way Chomp can be generalised to any number of dimensions.

Chomp is sometimes described numerically. An initial natural number is given, and players alternate choosing positive proper divisors of the initial number, but may not choose 1 or a multiple of a previously chosen divisor. This game models n-dimensional Chomp, where the initial natural number has n prime factors and the dimensions of the Chomp board are given by the exponents of the primes in its prime factorization.

Ordinal Chomp is played on an infinite board with some of its dimensions ordinal numbers: for example a 2 × (ω + 4) bar. A move is to pick any block and remove all blocks with both indices greater than or equal the corresponding indices of the chosen block. The case of ω × ω × ω Chomp is a notable open problem; a $100 reward has been offered[citation needed] for finding a winning first move.

More generally, Chomp can be played on any partially ordered set with a least element. A move is to remove any element along with all larger elements. A player loses by taking the least element.

All varieties of Chomp can also be played without resorting to poison by using the misère play convention: The player who eats the final chocolate block is not poisoned, but simply loses by virtue of being the last player. This is identical to the ordinary rule when playing Chomp on its own, but differs when playing the disjunctive sum of Chomp games, where only the last final chocolate block loses.

See also

External links


Translations: Chomp
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Dansk (Danish)
v. tr. - gumle på, tygge på
v. intr. - gumle, skære tænder
n. - gumlelyd

idioms:

  • chomp at the bit    være utålmodig

Nederlands (Dutch)
smakken, op het bit bijten, kauwen

Français (French)
v. tr. - mâcher bruyamment
v. intr. - mâcher bruyamment, ronger qch
n. - bruit de mastication

idioms:

  • chomp at the bit    impatient

Deutsch (German)
v. - schmatzen
n. - Schmatzen

idioms:

  • chomp at the bit    vor Ungeduld brennen

Ελληνική (Greek)
v. - μασώ (με θόρυβο), μασουλίζω
n. - (θορυβώδες) μάσημα, μασούλισμα

idioms:

  • chomp at the bit    (καθομ.) αδημονώ, δεν κρατιέμαι

Italiano (Italian)
masticare

idioms:

  • chomp at the bit    mordere il morso

Português (Portuguese)
v. - morder, mastigar
n. - mordida, mastigada

idioms:

  • chomp at the bit    estar impaciente

Русский (Russian)
чавкать

idioms:

  • chomp at the bit    рваться в путь, грызть удила

Español (Spanish)
v. tr. - hacer ruidos al comer
v. intr. - hacer ruidos al comer
n. - masticación sonora, sonido de masticación

idioms:

  • chomp at the bit    estar impaciente por, morirse por, morder los estribos (estar impaciente como un caballo)

Svenska (Swedish)
v. - tugga på (betsel mm)
n. - tuggande, gnagande

中文(简体)(Chinese (Simplified))
大声咀嚼, 格格地咬, 切齿, 咬响牙齿, 格格地咬牙, 马嚼子

idioms:

  • chomp at the bit    不耐约束, 不服驾驭, 烦躁不安地..., 急不能耐

中文(繁體)(Chinese (Traditional))
v. tr. - 大聲咀嚼, 格格地咬
v. intr. - 切齒, 咬響牙齒, 格格地咬牙
n. - 馬嚼子

idioms:

  • chomp at the bit    不耐約束, 不服駕馭, 煩躁不安地..., 急不能耐

한국어 (Korean)
v. tr. - 물다, 어적어적 깨물다
v. intr. - 물다, 어적어적 깨물다
n. - 어적어적 씹는 소리

日本語 (Japanese)
v. - むしゃむしゃ噛む, 歯ぎしりする, 押し潰す

idioms:

  • chomp at the bit    いらいらする

العربيه (Arabic)
‏(فعل) يأكل أو يعض الطعام بصوت عالي (الاسم) صوت الأكل أو العض‏

עברית (Hebrew)
v. tr. - ‮גרס‬
v. intr. - ‮לעס בקול‬
n. - ‮לעיסה בקול‬


Shopping: chomp
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Learn More
chomper (computer jargon)
bagbiting (computer jargon)
deserves to lose (computer jargon)

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Thesaurus. Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
Hacker Slang. The Jargon File. Copyright © 2007.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Chomp" Read more
Translations. Copyright © 2007, WizCom Technologies Ltd. All rights reserved.  Read more

 

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