NY -- Standard&Poor's CreditWire 4/1/96 -- Standard&Poor's today has affirmed its double-`A'-minus claims-paying ability rating of Zurich Reinsurance Centre Inc. (ZRC) and its single-`A'-minus senior debt rating of Zurich Reinsurance Centre Holdings Inc. The ratings reflect ZRC's strong capital base, solid and improving business position, and the support of its ultimate majority shareholder, Zurich Insurance Co. Switzerland (Zurich; triple-`A' claims-paying ability rating). These strengths are offset by ZRC's short track record on long-tailed contracts and subpar GAAP profitability relative to the rating category. Major rating factors: -- Management: ZRC has assembled a strong management team, which has a good track record in the reinsurance market. -- The strength of management is evidenced by the company's rapid