Heidelberg Catechism Question 37 says:

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Question 37. What dost thou understand by the words, "He suffered"?

Answer: That he, all the time that he lived on earth, but especially at the end of his life, sustained in body and soul, the wrath of God against the sins of all mankind: that so by his passion, as the only propitiatory sacrifice, he might redeem our body and soul from everlasting damnation, and obtain for us the favour of God, righteousness and eternal life.

Does the Heidelberg not teach particular and definite atonement? There is nothing in the context to tell me it means every race, or Jews and Gentiles alike.

True godliness is a sincere feeling which loves God as Father as much as it fears and reverences Him as Lord, embraces His righteousness, and dreads offending Him worse than death~ Calvin