Event: NSDCA Division 3

Opponent Rating Result
Harvey M Murray-Smith 1458 ½ - ½
Mohammed Farah 1230 ½ - ½
Martin J Chadwick 1323 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1470 = (4011 + 400 * (1 - 0)) / 3)

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