W_Ch

4.75 Comparison of past and present is one of the most fascinating applications of the rating system.

Player	Rounds	Elo	SRM
W_Ch	20	2342	1333

Rating	perf	err	err2	\|ΔR\|	ΔR min	ΔR max	max	R	rank
EloSRM	0.573	1.002	1.362	54.7	-63	218	2343	2342	2511
initial	0.452	1.016	1.328	122.4	-242	383	2327	2289	1556
SRMFix	0.589	1.029	1.386	69.7	-98	195	1857	1850	2308
SRM	0.777	1.202	1.617	88.0	-374	148	1367	1333	2198

#	date	round	division	rank	seed	perf	Δ Elo	Elo new	Elo rank	Δ SRM	SRM new	SRM rank
20	2010-08-14	SRM 479	1	392	483.69	-0.06	0	2342	2511	-34	1333	2198
19	2010-07-17	SRM 476	1	202	613.59	1.60	89	2343	2485	148	1367	2007
18	2010-06-30	Member Single Round Match 474	2	10	129.26	3.69	72	2254	2915	135	1219	2922
17	2010-06-19	TCO10 Round 1	1	1222	1,175.29	-0.06	-1	2182	3292	-40	1084	3934
16	2010-06-17	SRM 473	2	61	134.37	1.14	41	2183	3274	65	1124	3663
15	2010-06-05	SRM 472	2	132	244.86	0.89	39	2141	3552	61	1059	4195
14	2010-05-20	SRM 470	2	486	253.98	-0.94	-25	2102	3716	-29	998	4769
13	2010-05-12	TCO10 Qual 2	1	487	731.86	0.59	48	2127	3516	73	1027	4515
12	2010-04-03	SRM 466	2	740	309.15	-1.47	-39	2079	3564	-137	954	4983
11	2010-03-16	SRM 464	2	78	300.53	1.95	77	2118	3312	94	1091	3733
10	2010-03-02	SRM 463	2	107	319.24	1.58	76	2041	4090	90	997	4823
9	2010-02-17	SRM 462	2	423	234.88	-0.85	-32	1965	4712	-44	907	5803
8	2010-02-13	Member SRM 461	2	388	349.90	-0.15	2	1997	4409	10	951	5282
7	2010-02-06	SRM 460	2	290	399.02	0.46	46	1995	4398	38	941	5401
6	2010-01-14	Member SRM 458	2	93	510.52	2.46	183	1949	4673	137	903	5696
5	2009-12-22	SRM 456	2	518	401.78	-0.37	-27	1767	5984	-53	766	7177
4	2009-10-20	SRM 451	2	443	416.67	-0.09	4	1794	5895	-26	819	7210
3	2009-10-17	SRM 450	2	273	718.95	1.40	218	1790	5928	96	845	7041
2	2009-09-23	SRM 449	2	561	738.04	-0.03	10	1572	8051	-77	749	8067
1	2009-09-10	SRM 448	2	841	687.44	-0.29	-63	1562	8212	-374	826	7199