So as not to discriminate against all you suburbanites (me, for example), and downstaters, here's the list of the top 200 players in Illinois:
1 GM YURY SHULMAN 2638
2 GM DMITRY GUREVICH 2577
3 GM NIKOLA MITKOV 2577
4 IM FLORIN FELECAN 2421
5 FM ADARSH JAYAKUMAR 2407
6 FM CARL BRANDON BOOR 2406
7 IM ANGELO YOUNG 2396
8 FM ERIC S ROSEN 2389
9 ANGEL YOSIFOV ANGELOV 2361
10 TANSEL TURGUT 2359
11 TIMUR ALIYEV 2350
12 WIM VIKTORIJA NI 2335
13 WILLIAM J ARAMIL 2332
14 SAM A SCHMAKEL 2304
15 WGM IRINA ZAKURDIAEVA 2302
16 FM IGOR TSYGANOV 2294
17 GOPAL S MENON 2276
18 WGM OLGA STJAZHKINA 2267
19 STEVEN TENNANT 2257
20 TENZING W SHAW 2256
21 JONATHAN S KOGEN 2248
22 XIN LUO 2245
23 BOYAN ANGELOV ANGELOV 2237
24 FM DAVID E FINOL 2234
25 ZACH KASIURAK 2228
26 PETROS DEMETRIOS KARAGIANIS 2221
27 FM ANDREW KARKLINS 2221
28 FM DAN WOLF 2219
29 KENNETH T WALLACH 2219
30 STEVEN J SZPISJAK 2214
31 FM KEVIN BACHLER 2207
32 TREVOR S MAGNESS 2202
33 LEN J WEBER 2200
34 MARIANO A ACOSTA 2200
35 FM ALBERT C CHOW 2200
36 TAM NGUYEN 2200
37 FM CAMILO C PANGAN 2200
38 AUDRIUS MACENIS 2186
39 FREDERICK S RHINE 2185
40 MATTHEW K WILBER 2183
41 MICHAEL WILLIAM AUGER 2183
42 GORDON J RUAN 2163
43 ILAN MEEROVICH 2161
44 DAVID PLOTKIN 2160
45 MARINA ASEEVA 2159
46 DANYUL LAWRENCE 2158
47 DAVID TIANJIAN PENG 2146
48 JOHN M KROM 2138
49 STEVE ARLINSKY 2138
50 MICHAEL E ELLIS 2135
51 STEFFEN HELMUT KLUG 2120
52 ALEX ZIQI DING 2117
53 MARK ROBLEDO JR 2104
54 KURT W STEIN 2100
55 ZHAOZHI LI 2097
56 AAKAASH MEDURI 2097
57 DAVID FRANKLIN 2096
58 ROBERT MOSKWA 2087
59 ALEX BIAN 2086
60 KRZYSZTOF FLAGA 2083
61 GLEN E GRATZ 2082
62 FRED SCOTT ALLSBROOK 2079
63 KENT CEN 2076
64 JAMES MICHAEL PAVESE 2072
65 GAVIN JACOB MC CLANAHAN 2072
66 FLORENTINO V INUMERABLE JR 2071
67 WILLIAM H BROCK 2069
68 JOSEPH ST PIERRE 2065
69 HONORIUS CONSTANTIN 2064
70 JAMES A MARSHALL 2063
71 SERGE MININ 2055
72 SEDRICK PRUDE 2049
73 NATHAN WONG 2039
74 JORDAN S COHEN 2033
75 MAXIMILIAN JOSEPH ZINSKI 2031
76 DAVID LONG 2026
77 DUSAN TUTUSH 2022
78 VINCENT J HART 2021
79 BEN ROTHSCHILD 2019
80 SPENCER BLEDSOE 2018
81 THOMAS D MURPHY 2017
82 ERIK KARKLINS 2016
83 AKSHAY INDUSEKAR 2016
84 D GREGORY BUNGO 2016
85 PAUL D MECHEM 2015
86 KARTHIKEYAN POUNRAJ 2015
87 NATHANIEL AUSTIN KRANJC 2010
88 ROBERT LONCAREVIC 2009
89 ZACHARY HOLECEK 2007
90 ROBBY HECHT 2007
91 WILLIAM A NAFF 2006
92 LAWRENCE S COHEN 2005
93 ARANDEL MARKOVIC 2003
94 JAMES B FAGAN 2002
95 MIOMIR STEVANOVIC 2000
96 MARK MAROVITCH 2000
97 LEONID BONDAR 2000
98 JUAN HERNANDEZ 2000
99 DMITRI A SERGATSKOV 1998
100 CHRISTOPHER GIRARDO 1995
101 ERIC A HEISER 1994
102 JEFF S DIXON 1989
103 DENNIS PLOTT 1979
104 ILYA KOGAN 1979
105 JOSHUA DUBIN 1977
106 RUDY NEIL ENRIQUEZ 1977
107 MARK P HAMILTON 1977
108 ZHEYUAN FAN 1972
109 STEVEN NAPOLI 1970
110 JEFF K WIEWEL 1968
111 MATTHEW JAMES STEVENS 1968
112 CHENGLIANG LUO 1966
113 TODD A PLAGEMANN 1961
114 BRIAN T RUGGIERO 1951
115 MARK KORIN 1947
116 JANYL TILENBAEVA 1947
117 DANIEL R DUGOVIC 1944
118 JOHN L EASTER 1944
119 RAFEH QAZI 1938
120 ANSHUL ADVE 1935
121 CHARLES SWAN 1935
122 VINCENT DO 1932
123 SPENCER GEORGE LEHMANN 1930
124 ROBERT HILL 1927
125 BENJAMIN P STERN 1925
126 SITARAM AUDIPUDY 1925
127 RODNEY M KINNAIRD 1925
128 STEVEN CRAIG MILLER 1924
129 MIKHAIL KORENMAN 1917
130 YUE PENNY XU 1916
131 ERIC PANIAGUA 1915
132 SAM M FORD 1913
133 LOGAN STALIONS 1913
134 VALDIS M TUMS 1912
135 MICHAEL LEALI 1911
136 THOMAS FRISKE 1908
137 AYDIN TURGUT 1907
138 LUIS M PERALTA 1907
139 SCOT L HENDERSON 1906
140 WILLIAM BLACKMAN 1906
141 JOE EMOLE 1905
142 JAMES D OBERWEIS 1901
143 DOUGLAS ALAN MIDDLETON 1900
144 JONATHAN HRACH 1900
145 JAMES K CONDRON 1900
146 JOE DAMOCLES 1900
147 JOSEPH O ALFORD 1900
148 DAVID PAYKIN 1899
149 CYRILL OSELEDETS 1895
150 THEODORE C MERCER 1895
151 JIMI AKINTONDE 1892
152 HAZIM MALKOC 1890
153 JAMES WEI 1888
154 WESLEY K UNDERWOOD 1886
155 DAVID S GILCHRIST 1885
156 TIMOTHY ZHOU 1885
157 JOSEPH CYGAN 1884
158 GLEB FRIDMAN 1883
159 KYLE J MILES 1882
160 BENNETT JOSEPH 1882
161 TIAN LU PENG 1879
162 BRIAN J BECK 1878
163 GUY KITTILSEN 1878
164 ABE SUN 1874
165 CHRISTIAN D KAVOURAS 1871
166 CONRAD OBERHAUS 1869
167 ANDREW TAYLOR 1867
168 HOWARD COHEN 1865
169 MIKE A CRONIN 1857
170 GODSWILL OGODOGU 1849
171 RAJIV S DESHPANDE 1849
172 EZGI MENZI 1847
173 VICTORY V A FERIA 1846
174 JOHN KLEIN 1845
175 JACK THOMAS CURCIO 1843
176 DANIEL SAJKOWSKI 1842
177 JAMES ABBOTT 1841
178 OLEG TRIFONOV 1839
179 PETER MC CONAGHIE 1837
180 ADRIAN ZOLKOS 1836
181 MATTHEW Y YANG 1836
182 HECTOR R HERNANDEZ 1835
183 DANIEL R MODES 1832
184 DEAN AROND 1832
185 AAMIR ANSARI 1832
186 BRADLEY GUAN 1831
187 PATRICK G MORAN 1830
188 WILLIAM G COX 1829
189 JEFFREY E DAVIS 1828
190 GEORGE WILLIAM STONE 1827
191 JIRI V KABELAC 1826
192 PAUL SEET 1825
193 TOM TAYLOR 1823
194 RAMA YALAVARTHI 1822
195 CHRISTOPHER BAUMGARTNER 1820
196 MICHAEL A CHINITZ 1818
197 JOHN MICHAEL CRISSMAN 1817
198 ROBERT MICHALAK 1817
199 JAMES KRUEGER 1817
200 AKHIL KALGHATGI 1817