Matches are held only intermittently, however The Calcutta Cup Match, in early April, pits the Scots against their  auld  enemy the English and is a great spectacle.
( Matches ( ( ( ( ( ( are ( held ( only ( ( ( ( ( intermittently , ) however ) ( The ( Calcutta ( Cup Match ) ) ) ) , ) ( in ( early April ) ) ) ) ) ) , ) ( ( pits ( the Scots ) ) ( against ( ( their ( auld enemy ) ) ( the English ) ) ) ) ) and ) ( is ( a ( great spectacle ) ) ) ) . ) )
(ROOT (S (NP (NNS Matches)) (VP (VP (VBP are) (VP (VBN held) (PP (ADVP (RB only)) (NP (NP (NN intermittently)) (, ,) (ADVP (RB however)) (NP (DT The) (NNP Calcutta) (NNP Cup) (NNP Match)) (, ,)) (IN in) (NP (RB early) (NNP April))))) (, ,) (VP (VBZ pits) (NP (DT the) (NNPS Scots)) (PP (IN against) (NP (NP (PRP$ their) (JJ auld) (NN enemy)) (NP (DT the) (NNP English))))) (CC and) (VP (VBZ is) (NP (DT a) (JJ great) (NN spectacle)))) (. .)))
Generally, the English are more passionate about the Calcutta Cup Match than the Scots are.
( Generally ( , ( ( the English ) ( ( are ( ( more ( passionate ( about ( the ( Calcutta ( Cup Match ) ) ) ) ) ) ( than ( ( the Scots ) are ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Generally)) (, ,) (NP (DT the) (NNP English)) (VP (VBP are) (ADJP (ADJP (RBR more) (JJ passionate) (PP (IN about) (NP (DT the) (NNP Calcutta) (NNP Cup) (NNP Match)))) (SBAR (IN than) (S (NP (DT the) (NNPS Scots)) (VP (VBP are)))))) (. .)))