Chen9's Competition History

Date Contest Rank Performance New Rating Diff
Toyota Programming Contest 2023#7(AtCoder Beginner Contest 328) 7933 - - -
Sky Inc, Programming Contest 2023(AtCoder Beginner Contest 329) 6010 - - -
TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) 8506 - - -
Daiwa Securities Co. Ltd. Programming Contest 2023(AtCoder Beginner Contest 331) 6731 - - -
AtCoder Beginner Contest 332 6445 197 10 -
Toyota Programming Contest 2023#8(AtCoder Beginner Contest 333) 11402 - - -
UNIQUE VISION Programming Contest 2023 Christmas (AtCoder Beginner Contest 334) 7205 266 36 +26
AtCoder Beginner Contest 335 (Sponsored by Mynavi) 8079 254 61 +25
AtCoder Beginner Contest 336 5992 366 94 +33
Toyota Programming Contest 2024#1(AtCoder Beginner Contest 337) 9736 183 105 +11
AtCoder Regular Contest 170 2058 263 123 +18
AtCoder Beginner Contest 338 5107 595 169 +46
Japan Registry Services (JPRS) Programming Contest 2024 (AtCoder Beginner Contest 339) 8882 224 174 +5
AtCoder Regular Contest 171 2073 245 182 +8
KAJIMA CORPORATION CONTEST 2024(AtCoder Beginner Contest 340) 5387 512 214 +32
Toyota Programming Contest 2024#2(AtCoder Beginner Contest 341) 11228 37 179 -35
HUAWEI Programming Contest 2024(AtCoder Beginner Contest 342) 8477 144 174 -5
AtCoder Beginner Contest 343 7906 353 191 +17
Toyota Programming Contest 2024#3(AtCoder Beginner Contest 344) 9157 200 192 +1
Monoxer Programming Contest 2024(AtCoder Beginner Contest 345) 9449 130 183 -9
UNIQUE VISION Programming Contest 2024 Spring(AtCoder Beginner Contest 346) 10468 - - -
AtCoder Beginner Contest 347 10793 97 171 -12
Toyota Programming Contest 2024#4(AtCoder Beginner Contest 348) 7308 - - -
AtCoder Beginner Contest 349 9947 46 152 -19
AtCoder Beginner Contest 350 10156 118 147 -5
AtCoder Beginner Contest 351 6175 509 175 +28
AtCoder Beginner Contest 352 10515 92 164 -11
AtCoder Beginner Contest 353 11059 82 153 -11
Panasonic Programming Contest 2024(AtCoder Beginner Contest 354) 8425 261 163 +10
Tokio Marine & Nichido Fire Insurance Programming Contest 2024 (AtCoder Beginner Contest 355) 9955 82 153 -10
AtCoder Beginner Contest 356 9589 - - -
SuntoryProgrammingContest2024(AtCoder Beginner Contest 357) 8571 234 160 +7
AtCoder Beginner Contest 358 10839 - - -
AtCoder Beginner Contest 360 8139 104 154 -6
Hitachi Vantara Programming Contest 2024(AtCoder Beginner Contest 368) 9816 95 147 -7
AtCoder Beginner Contest 369 7406 314 160 +13
Toyota Programming Contest 2024#9(AtCoder Beginner Contest 370) 6540 507 186 +26
AtCoder Beginner Contest 371 8718 218 189 +3
AtCoder Beginner Contest 373 9840 - - -
KEYENCE Programming Contest 2024(AtCoder Beginner Contest 374) 6193 540 216 +27
Panasonic Programming Contest 2024(AtCoder Beginner Contest 375) 10168 - - -
AtCoder Beginner Contest 376 9733 - - -
Toyota Programming Contest 2024#11(AtCoder Beginner Contest 379) 8217 170 211 -5
AtCoder Beginner Contest 380 9541 - - -
AtCoder Beginner Contest 382 8714 44 186 -25
Toyota Programming Contest 2024#12(AtCoder Beginner Contest 384) 7735 211 189 +3
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 8594 - - -
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 9441 135 183 -6
AtCoder Beginner Contest 390 9683 - - -
Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) 10833 36 161 -22
AtCoder Beginner Contest 393 6884 414 180 +19
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 7453 343 193 +13
AtCoder Beginner Contest 395 10642 103 183 -10
AtCoder Beginner Contest 396 8991 223 186 +3
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 10785 98 176 -10
AtCoder Beginner Contest 399 8965 222 180 +4
AtCoder Beginner Contest 400 7501 335 193 +13
AtCoder Beginner Contest 401 10125 118 185 -8
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 8707 147 181 -4
AtCoder Beginner Contest 404 8421 - - -
AtCoder Beginner Contest 405 6929 476 203 +22
Panasonic Programming Contest 2025(AtCoder Beginner Contest 406) 11010 84 188 -15
AtCoder Beginner Contest 407 8981 221 191 +3
AtCoder Beginner Contest 408 10041 - - -
AtCoder Beginner Contest 409 8038 292 200 +9
AtCoder Beginner Contest 410 7627 304 209 +9
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 6206 358 222 +13
AtCoder Beginner Contest 412 8767 - - -
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 9312 118 209 -13
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 8544 195 208 -1
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 8650 163 203 -5
AtCoder Beginner Contest 416 10558 124 194 -9
AtCoder Beginner Contest 417 8789 217 196 +2
AtCoder Beginner Contest 418 8105 288 205 +9
AtCoder Beginner Contest 419 10665 45 182 -23
AtCoder Beginner Contest 420 9347 56 165 -17
AtCoder Beginner Contest 421 6772 481 187 +22
AtCoder Regular Contest 205 (Div. 2) 2520 - - -
AtCoder Beginner Contest 422 5339 79 174 -13
AtCoder Beginner Contest 423 5308 507 198 +24
UNIQUE VISION Programming Contest 2025 Autumn (AtCoder Beginner Contest 425) 5452 494 221 +23
AtCoder Beginner Contest 426 9215 164 215 -6
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 8697 - - -