Event: Capablanca group

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Opponent	Rating	Result
Luca Parkes	1249	0 - 1
Nigel D Smith	2014
Ishan VH Wiratunga	0
Tarun A Puri	0
Stephen Briggs	1711
Calvin Chris Biju	1355
Simon Foster	1766
Joseph Browne	0
Stephen B James	1943
Yury Krylov	1682
Luca Parkes	1249	0 - 1
Daniel Juden	0
Nigel D Smith	2014
Ishan VH Wiratunga	0
Stephen Briggs	1711
Calvin Chris Biju	1355
Tarun A Puri	0
Simon Foster	1766
Joseph Browne	0
Stephen B James	1943
Yury Krylov	1682
Daniel Juden	0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

849 = (2498 + 400 * (0 - 2)) / 2)