TWL rating
Cooper Komatsu
Cooper Komatsu | Chicago, IL (USA)
Rating
1787
(New peak)
 
Ranking
(unranked)
 
 
Lifetime record
169-116-3 (0.592)
 
Career earnings: $1,115
Avg. score
406-378
 
 
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Number Tourney Date Round Opponent Result Score Rating Opponent
Rating
Rating
Change
1 Stanton, CA 01/31/10 1 Beth Byrne W 475-397 839 816 10  
2 2 Jim Laris T 334-334 839 829 0  
3 3 Sue Nelson L 374-392 839 966 -8  
4 4 Harriet Silverman L 297-374 839 870 -10  
5 5 Lillian Salas W 359-277 839 500 5  
6 6 Donna Dwaileebe L 337-377 839 1032 -7  
7 7 Margaret Hughes W 424-353 839 832 10  
8 Laguna Woods, CA 04/17/10 1 Paul Rickhoff T 318-318 839 911 1  
9 2 Scott Hawkins L 316-396 839 1052 -7  
10 3 Mollie Braverman L 331-351 839 1101 -6  
11 4 Diane Kerner L 346-391 839 737 -12  
12 5 Deborah Komatsu W 451-293 839 568 6  
13 6 Margaret Hughes W 419-306 839 798 9  
14 7 Richard Strick L 350-437 839 1152 -5  
15 8 Donna Dwaileebe W 453-293 839 1002 13  
16 9 Fern Trausch L 293-386 839 1089 -6  
17 10 Arna Schutz W 406-342 839 1127 14  
18 11 Corbett Riner L 333-356 839 508 -15  
19 12 Desiree Engel W 372-310 839 689 8  
20 13 Jim Laris L 312-376 839 812 -10  
21 Long Beach, CA 03/25/12 1 Jem Burch L 344-431 826 856 -10  
22 2 Margaret Hughes L 297-350 826 765 -11  
23 3 Jae Jr Lee W 433-321 826 502 5  
24 4 Deborah Komatsu L 316-430 826 714 -12  
25 5 Diane Kerner L 340-350 826 828 -10  
26 7 Michelle Townsley W 565-171 826 665 7  
27 Los Angeles, CA 12/15/13 1 Paul Rickhoff L 395-401 782 908 -8  
28 2 Margaret Hughes W 453-298 782 798 10  
29 3 Deborah Komatsu L 304-367 782 729 -11  
30 4 Andrew Newman W 426-359 782 490 6  
31 5 Diane Kerner W 418-379 782 902 12  
32 6 Zachary Ansell W 411-288 782 500 6  
33 7 Paul Rickhoff L 287-419 782 908 -8  
34 Monrovia, CA 09/14/14 1 Miura Kite W 400-344 795 801 10  
35 2 Desiree Engel W 460-243 795 600 7  
36 3 Deborah Komatsu W 350-292 795 700 8  
37 4 Darren Pollock W 435-296 795 500 6  
38 5 Debra Ansell L 348-402 795 795 -10  
39 6 Laurie Holz L 405-420 795 806 -10  
40 7 Margaret Hughes W 392-362 795 711 9  
41 Monrovia, CA 03/28/15 1 Pete Skaggs L 378-466 826 1593 -2  
42 2 Michael Baker W 506-336 826 1709 19  
43 3 Edward De Guzman L 335-488 826 1853 -1  
44 4 Bruce D Ambrosio L 234-618 826 1645 -1  
45 5 Mark Milan L 398-422 826 1710 -1  
46 6 Cheryl Melvin W 401-389 826 1343 17  
47 7 Jacqueline Heller W 439-382 826 1107 14  
48 8 Ken Louie W 420-233 826 1302 16  
49 9 Norases Vesdapunt L 331-403 826 1777 -1  
50 10 Margie Gordon L 297-464 826 1313 -3  
51 11 David Postal W 515-380 826 1372 17  
52 12 Elizabeth Ralston W 478-342 826 1430 17  
53 13 Jem Burch L 394-400 826 1363 -3  
54 26th National Championship Main Event 08/01/15 1 Paul Hagelstein L 307-333 1026 1363 -5  
55 2 Bill Ewing L 399-419 1026 1236 -7  
56 3 Gaye Trickey W 432-356 1026 1111 11  
57 4 Terry Veevers W 433-276 1026 1191 13  
58 5 Shelley Kirk W 481-382 1026 1291 14  
59 6 Rhonda Morris L 376-384 1026 1203 -7  
60 7 Chloe Fatsis W 439-389 1026 918 8  
61 8 Cathy Poole W 456-343 1026 1009 10  
62 9 Dan Horowitz W 434-375 1026 1106 11  
63 10 Nancy Hanley L 388-434 1026 1042 -10  
64 11 April McCarley W 407-334 1026 1355 15  
65 12 Zachary Ansell W 442-413 1026 1143 12  
66 13 Carol Tillson L 370-448 1026 1186 -8  
67 14 Carl Warner L 294-471 1026 1365 -5  
68 15 Chris Autio L 293-481 1026 1032 -10  
69 16 Miriam Gregory L 352-390 1026 1208 -7  
70 17 Claudia Finn L 332-354 1067 1206 -8  
71 18 Michael Bassett W 452-370 1067 1138 11  
72 19 Mary Ellen Weisskopf W 441-259 1067 1198 12  
73 20 Whitney Gould W 440-316 1067 1121 11  
74 21 Sander Post W 355-354 1067 1053 10  
75 22 Joe Roberdeau W 380-333 1067 1370 14  
76 23 Michelle Davis W 405-346 1067 1274 13  
77 24 Ben Greenwood W 356-348 1067 1353 14  
78 25 Dave Lockrem W 392-357 1067 1377 15  
79 26 Tapani Lindgren L 377-453 1067 1329 -6  
80 27 Nola Hembrook L 339-509 1067 1268 -7  
81 28 Betzy Collins L 386-393 1067 1293 -7  
82 29 Mary Pastore W 400-349 1067 1168 12  
83 30 Miriam Gregory L 368-397 1067 1241 -7  
84 31 Whitney Gould W 552-264 1067 1121 11  
85 27th National Championship 08/06/16 1 Linda Bianca W 396-378 1168 1217 11  
86 2 Phyllis Koselke W 376-346 1168 1361 13  
87 3 Carolyn Boyd W 492-422 1168 1065 8  
88 4 Jo Anne Cohen W 572-338 1168 1288 12  
89 5 Anita Rackham W 503-358 1168 1263 12  
90 6 Ben Greenwood L 389-449 1168 1332 -7  
91 7 Jason Vaysberg L 405-481 1168 1385 -7  
92 8 Nick Purifoy L 344-468 1168 1208 -9  
93 9 Beth Palmer W 495-318 1168 1085 9  
94 10 Risa Horowitz W 422-399 1168 1319 12  
95 11 Betsey Wood W 460-353 1168 1117 9  
96 12 Mia Kang L 345-373 1168 1129 -11  
97 13 Marcela Kadanka W 456-359 1168 1300 12  
98 14 Knox Daniel L 289-471 1168 1315 -8  
99 15 Josh Greenway W 534-229 1168 1103 9  
100 16 Timothy Long L 414-432 1168 1177 -10  
101 17 Jacque Lease W 458-302 1226 1215 10  
102 18 Michael Donegan L 325-355 1226 1185 -11  
103 19 Alan Weiner W 481-381 1226 1141 9  
104 20 Lauren Werner L 300-438 1226 1307 -9  
105 21 Joyce Stock W 442-335 1226 1096 8  
106 22 Meredith Leigh W 461-385 1226 1262 11  
107 23 Diane Brown W 467-374 1226 1020 7  
108 24 Frances Shaw W 453-297 1226 1302 11  
109 25 Meredith Leigh L 376-409 1226 1262 -9  
110 26 Jane Bissonnette W 394-359 1226 1268 11  
111 27 Jane Bissonnette L 380-429 1226 1268 -9  
112 28 Jason Vaysberg W 421-380 1226 1399 13  
113 29 Michelle Davis L 389-415 1226 1383 -8  
114 30 Hannah Rozear L 413-422 1226 1142 -11  
115 31 Tim Fish L 345-464 1226 1290 -9  
116 28th National Championship Main Event 07/22/17 1 Diane Weinerman W 481-331 1240 1139 8  
117 2 Ruth Brower W 464-300 1240 981 6  
118 3 Conrad Braud W 380-374 1240 1246 10  
119 4 Kene Mezue W 446-277 1240 1253 10  
120 5 Meredith Leigh W 375-365 1240 1224 10  
121 6 Miriam Gregory W 489-337 1240 1325 11  
122 7 Sander Post W 473-322 1240 1191 9  
123 8 Rachel Gillette W 507-247 1240 981 6  
124 9 Jack Peters L 293-500 1240 1339 -8  
125 10 Zachary Ansell T 387-387 1240 1373 2  
126 11 Mark Abadi L 375-467 1240 1153 -11  
127 12 Christina Lemoine W 433-423 1240 1101 8  
128 13 Ken Louie L 383-400 1240 1318 -9  
129 14 Dustin Brown W 430-346 1240 1095 8  
130 15 Michael Bassett W 441-404 1240 1182 9  
131 16 Lindsey Dimmick W 463-331 1240 1329 11  
132 17 Peggy Altazan W 439-369 1324 1295 10  
133 18 Chris Sitler L 429-442 1324 1304 -10  
134 19 Stephanie Brown L 385-405 1324 1111 -13  
135 20 Sheikh K Dukuly II W 421-353 1324 1345 10  
136 21 Jack Peters L 386-420 1324 1441 -8  
137 22 Regenia Hidalgo W 533-232 1324 1099 7  
138 23 Zachary Ansell L 345-374 1324 1383 -9  
139 24 Mark Abadi W 496-374 1324 1258 9  
140 25 Robert Gillis W 426-397 1324 1304 10  
141 26 Sander Post W 482-373 1324 1327 10  
142 27 Christina Lemoine W 412-371 1324 1193 8  
143 28 Regenia Hidalgo W 539-373 1324 1099 7  
144 29 Jack Peters L 343-438 1324 1441 -8  
145 30 Stephanie Brown L 374-390 1324 1111 -13  
146 31 Stephanie Brown L 407-435 1324 1111 -13  
147 Berkeley, CA 08/06/17 1 Amnon Igra L 335-342 1328 1445 -8  
148 2 Zachary Ansell L 359-365 1328 1415 -9  
149 3 Peter Smith L 344-429 1328 1336 -10  
150 4 Alan Whitman W 444-436 1328 1419 11  
151 5 Andrea Carla Michaels L 330-364 1328 1371 -9  
152 6 Amnon Igra L 297-443 1328 1445 -8  
153 29th National Championship 08/04/18 1 Jonathan Kent W 367-292 1296 1605 15  
154 2 Heather McCall W 502-353 1296 1545 14  
155 3 Lauren Werner W 454-289 1296 1492 13  
156 4 Sam Hollington L 384-400 1296 1761 -4  
157 5 Steve Anstandig W 435-331 1296 1590 14  
158 6 Jack Peters W 424-325 1296 1699 16  
159 7 Matthew Larocque W 401-390 1296 1575 14  
160 8 Asif Ali W 368-360 1296 1519 13  
161 9 Chris Schneider L 373-400 1296 1638 -5  
162 10 Mark Fidler W 476-306 1296 1629 15  
163 11 Joe South W 433-412 1296 1721 16  
164 12 Michael Baker L 314-496 1296 1746 -4  
165 13 Joanne Cohen W 455-437 1296 1671 15  
166 14 Michael Ecsedy W 478-305 1296 1643 15  
167 15 Zachary Ansell W 470-373 1296 1560 14  
168 16 Elizabeth Ralston L 339-423 1296 1582 -6  
169 17 Jan Cardia W 422-401 1528 1756 13  
170 18 Mike Johnson L 338-476 1528 1657 -8  
171 19 Curtis Lee L 383-421 1528 1645 -8  
172 20 Scott Leifer L 336-437 1528 1647 -8  
173 21 Will Scott L 386-400 1528 1591 -9  
174 22 Kene Mezue L 361-430 1528 1561 -9  
175 23 Carole Denton W 434-313 1528 1502 10  
176 24 Vera Bigall L 411-490 1528 1523 -10  
177 25 Ricky Sirois W 446-328 1528 1619 11  
178 26 Paul Mishkin L 324-409 1528 1620 -9  
179 27 Joe Neff W 451-436 1528 1497 10  
180 28 Bradley Whitmarsh L 375-398 1528 1737 -7  
181 29 Andy Hoang W 434-309 1528 1657 12  
182 30 Elizabeth Ralston W 421-347 1528 1631 12  
183 31 Mike Johnson W 422-407 1528 1657 12  
184 Newport Beach, CA 03/02/19 1 Bartholomew Brago W 412-357 1540 500 1  
185 2 Kevin Belinkoff W 380-328 1540 954 3  
186 3 Billy Nakamura W 416-395 1540 1234 5  
187 4 Elizabeth Ralston W 432-375 1540 1541 10  
188 5 Leo Mckenna W 390-305 1540 909 2  
189 6 Alan Stern W 501-319 1540 1657 12  
190 7 Joel Elkins W 456-373 1540 1656 12  
191 8 Richard Strick W 398-352 1540 1340 7  
192 9 Yukiko Loritz W 512-433 1540 1599 11  
193 10 Brian Nelson L 402-407 1540 1435 -12  
194 11 David Postal W 431-334 1540 1504 9  
195 12 John Ortman L 363-368 1540 1576 -9  
196 13 Joel Elkins L 403-431 1540 1656 -8  
197 14 Elizabeth Ralston L 359-374 1540 1541 -10  
198 15 Elizabeth Ralston W 382-366 1540 1541 10  
199 30th National Championship Main Event 07/20/19 1 Emely Weissman W 442-373 1584 1504 9  
200 2 Alan Whitman W 364-331 1584 1403 7  
201 3 Matthew Larocque W 386-384 1584 1661 11  
202 4 Robin Levin L 357-414 1584 1495 -11  
203 5 Michael Waski W 357-332 1584 1435 8  
204 6 Scott Leifer W 390-359 1584 1696 12  
205 7 Jill Turney L 352-429 1584 1441 -12  
206 8 Max Dwyer L 425-443 1584 1450 -12  
207 9 Marty Gold W 514-418 1584 1570 10  
208 10 Paul Thornton W 462-334 1584 1353 6  
209 11 Sal Piro L 371-473 1584 1709 -8  
210 12 Jem Burch L 403-462 1584 1397 -13  
211 13 Bob Becker L 385-429 1584 1568 -10  
212 14 John Wiley L 322-402 1584 1454 -12  
213 15 Joe South W 372-352 1584 1746 13  
214 16 Charlie Williamson L 392-433 1584 1204 -15  
215 17 Zachary Ansell L 423-465 1567 1643 -9  
216 18 Arun Methaset W 391-374 1567 1434 8  
217 19 Beth Mix W 442-398 1567 1454 8  
218 20 Steve Anstandig L 332-447 1567 1504 -11  
219 21 Joe Roberdeau L 351-495 1567 1450 -12  
220 22 Martin Weisskopf W 492-343 1567 1430 8  
221 23 Paul Avrin W 405-370 1567 1417 8  
222 24 Juraj Pivovarov L 316-505 1567 1621 -9  
223 25 Jacqueline Camper W 397-344 1567 1255 5  
224 26 Leo Mckenna W 494-271 1567 1257 5  
225 27 Ken Kasney L 325-334 1567 1660 -9  
226 28 Mark Peltier W 491-276 1567 1544 10  
227 29 Kevin Burbridge W 386-376 1567 1470 8  
228 30 Curtis Lee W 521-252 1567 1677 12  
229 31 Juraj Pivovarov L 370-487 1567 1621 -9  
230 Chicago, IL 09/25/21 1 Doug Lundquist W 471-403 1581 1890 15  
231 2 Dan Terkell W 446-332 1581 1304 6  
232 3 Jacquelyn Fyr L 343-450 1581 1407 -13  
233 4 Brian Summers W 516-384 1581 1005 3  
234 5 Dinesh Rajangam W 444-345 1581 1071 3  
235 7 Skyler Lutz W 464-224 1581 500 1  
236 8 Don Rathberger W 420-402 1581 1234 5  
237 9 Dave Cameron W 448-356 1581 1099 4  
238 10 Sid Murali L 327-385 1581 1923 -5  
239 11 Harriette Lakernick W 421-389 1581 1447 8  
240 12 Dave Cameron W 464-355 1581 1099 4  
241 Lake George, NY 10/15/21 1 Noah Kalus W 420-335 1611 1547 9  
242 2 Chris Schneider W 317-316 1611 1640 10  
243 3 Don Finkey W 456-388 1611 1616 10  
244 4 Jeffrey Nelson W 440-286 1611 1679 11  
245 5 Michael Ecsedy W 450-266 1611 1613 10  
246 Lake George, NY 10/15/21 1 Joey Mallick W 458-420 1687 1989 14  
247 2 Paul Holser L 442-458 1687 1795 -8  
248 3 Tom Bond L 304-666 1687 1656 -10  
249 4 Don Finkey W 476-422 1687 1607 9  
250 5 Jon Shreve W 403-345 1687 1847 12  
251 6 Steve Tier W 432-373 1687 1649 9  
252 7 Joshua Sokol L 387-492 1687 1977 -6  
253 8 Stefan Fatsis W 445-269 1687 1636 9  
254 9 Frank Tangredi W 468-328 1687 1824 12  
255 10 Sid Murali L 382-393 1687 1962 -6  
256 11 Edwin Roth L 399-408 1687 1745 -9  
257 12 Chris Schneider W 428-322 1687 1629 9  
258 13 Joshua Sokol L 399-458 1687 1977 -6  
259 14 Sid Murali W 403-372 1687 1962 14  
260 15 Seth Lipkin L 372-379 1687 1859 -7  
261 California Open 11/11/22 1 Dan Unger W 455-293 1724 1370 5  
262 2 Peter Hopkins L 367-370 1724 1025 -18  
263 3 Jerry Lerman W 437-406 1724 1847 12  
264 4 Emely Weissman W 450-354 1724 1598 8  
265 5 Mark Milan L 311-449 1724 1722 -10  
266 6 Deborah Komatsu W 472-310 1724 977 2  
267 7 Bruce D Ambrosio L 260-387 1724 1645 -11  
268 8 Billy Nakamura W 407-352 1724 1519 7  
269 9 Cecilia Le L 356-502 1724 1909 -7  
270 10 Jd Rosensweig W 411-329 1724 1513 7  
271 11 Jay Chan W 410-387 1718 1161 3  
272 12 Joe Edley W 442-262 1718 2004 14  
273 13 Norases Vesdapunt W 454-300 1718 1868 12  
274 14 Billy Nakamura L 413-437 1718 1581 -12  
275 15 Michael Baker W 410-384 1718 1825 12  
276 16 Doug Brockmeier L 448-479 1718 1919 -7  
277 17 Mike Frentz L 325-511 1718 1907 -7  
278 18 Jonathan Lindh W 448-413 1718 1754 11  
279 19 Cecilia Le L 378-439 1718 1901 -7  
280 20 Mike Frentz L 406-448 1718 1907 -7  
281 South Lyon, MI 10/28/23 1 Kristy Zurbrick W 458-435 1732 1572 8  
282 2 Daniel Stock W 456-318 1732 1645 9  
283 3 Steve Anstandig W 437-310 1732 1569 7  
284 4 Steve Grob W 442-368 1732 1776 11  
285 5 Penny Sitler L 421-452 1732 1305 -16  
286 6 Chuck Armstrong W 433-370 1732 1932 13  
287 7 Chris Sitler W 465-316 1732 1434 6  
288 8 Steve Grob W 491-392 1732 1776 11  
Average score: 406-378
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