“NPPCH”是“Neighborhood Ping Pong & Chess House,

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“OMSCC”是“Oliveira Middle School Chess Club”的缩写

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“OMSCCB”是“Oliveira Middle School Chess Club

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“OCH”是“Olympic Chess House, Washington, DC”的缩写

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“OCBCF”是“Optimist Coastal Bend Chess Federation”

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“OHSCTA”是“Oregon High School Chess Team

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“OHSCT”是“Oregon High School Chess Team”的缩写，意

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“OCC”是“Osiris Chess Club, Homewood, Alabama”的缩

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“PSCF”是“Pennsylvania State Chess Federation”的缩

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“PCC”是“Pittsburgh Chess Club”的缩写，意思是“匹兹堡

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