grandmaster

Definition of Grandmaster in English :

1. grandmaster

a player of exceptional or world class skill in chess or bridge

WordNet Lexical Database for English. Princeton University. 2010.

Grandmaster

noun

1. chess

a.

one of the top chess players of a particular country

b.

(capital as part of title)

Grandmaster of Russia

2. Also called: International Grandmaster chess

a player who has been awarded the highest title by the Fédération Internationale des Échecs

3.

a leading exponent of any of various arts

noun

1. Originally

a national or, now usually, international title awarded to chess players of the highest ranking

2.

a chess player holding this title

n.

1. A chess player regarded as having the highest level of ability.

2. A person of the highest competence or achievement in a field.