Event: Capablanca group

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

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

1186 = (7914 + 400 * (2 - 4)) / 6)