covar

9.11 A chessplayer rating pool is a statistical ensemble in which individuals are distinguishable, yet any number of them may be alike as to rating.

Player	Rounds	Elo	SRM
covar	17	2398	1158

Rating	perf	err	err2	\|ΔR\|	ΔR min	ΔR max	max	R	rank
initial	0.273	0.758	1.198	91.3	-187	396	2072	1760	4071
SRMFix	0.482	0.849	1.345	61.1	-85	195	1801	1703	4127
EloSRM	0.571	0.964	1.420	54.1	-69	207	2398	2398	4209
SRM	0.734	1.135	1.614	67.2	-122	152	1247	1158	4808

#	date	round	division	rank	seed	perf	Δ Elo	Elo new	Elo rank	Δ SRM	SRM new	SRM rank
17	2014-03-29	SRM 614	2	177	210.83	0.25	14	2398	4209	34	1158	4808
16	2014-03-21	SRM 613	2	152	189.89	0.32	17	2384	4315	43	1124	5134
15	2014-03-04	SRM 611	2	519	316.90	-1.14	-22	2367	4523	-106	1081	5702
14	2014-02-25	SRM 610	1	409	429.99	-0.10	-5	2389	4339	-60	1187	4636
13	2014-02-15	SRM 609	2	77	242.61	1.66	52	2394	4335	68	1247	3931
12	2014-02-07	SRM 608	2	31	338.95	3.45	93	2342	4749	120	1179	4784
11	2014-02-03	SRM 607	2	170	349.01	1.04	50	2249	5523	57	1059	5988
10	2014-01-29	SRM 606	2	33	382.35	3.53	134	2199	5967	152	1002	6556
9	2014-01-21	SRM 605	2	168	556.23	1.73	103	2065	7403	94	850	8736
8	2014-01-11	SRM 604	2	921	773.54	-0.25	-10	1962	8583	-25	756	10267
7	2014-01-06	SRM 603	2	569	490.24	-0.22	-9	1972	8321	-25	781	9644
6	2013-12-28	SRM 602	2	739	664.39	-0.16	-3	1981	8134	-20	806	9207
5	2013-12-22	SRM 601	2	717	542.90	-0.40	-28	1984	7980	-45	826	8852
4	2013-12-14	SRM 600	2	532	717.34	0.43	81	2012	7673	19	871	8227
3	2013-07-19	SRM 585	2	1033	600.89	-0.78	-69	1931	8034	-122	852	8183
2	2013-07-10	SRM 584	2	500	406.69	-0.30	-23	2000	7077	-90	974	6308
1	2013-06-18	SRM 583	2	456	709.36	0.64	207	2023	6927	-63	1064	5424