OilDrum's Competition History

Date Contest Rank Performance New Rating Diff
HHKB Programming Contest 2025(AtCoder Beginner Contest 388) 8846 137 7 -
Toyota Programming Contest 2025(AtCoder Beginner Contest 389) 7197 368 37 +30
AtCoder Beginner Contest 390 8710 209 59 +22
AtCoder Beginner Contest 391 4707 688 122 +63
Japan Registry Services (JPRS) Programming Contest 2025#1 (AtCoder Beginner Contest 392) 5459 636 180 +58
AtCoder Beginner Contest 393 7064 386 203 +23
KAJIMA CORPORATION CONTEST 2025 (AtCoder Beginner Contest 394) 5949 555 244 +41
AtCoder Beginner Contest 395 4246 820 321 +77
AtCoder Beginner Contest 396 6872 475 338 +17
OMRON Corporation Programming Contest 2025 (AtCoder Beginner Contest 397) 4734 765 399 +61
UNIQUE VISION Programming Contest 2025 Spring (AtCoder Beginner Contest 398) 8955 195 365 -34
AtCoder Beginner Contest 399 7476 406 369 +4
AtCoder Beginner Contest 400 5941 576 394 +25
AtCoder Beginner Contest 401 5377 653 428 +34
Tokio Marine & Nichido Fire Insurance Programming Contest 2025 (AtCoder Beginner Contest 402) 4807 655 456 +28
AtCoder Beginner Contest 403 2646 984 530 +74
AtCoder Beginner Contest 404 4151 790 562 +32
AtCoder Beginner Contest 405 3775 909 606 +44
Panasonic Programming Contest 2025(AtCoder Beginner Contest 406) 4514 774 626 +20
AtCoder Beginner Contest 407 3921 874 656 +30
AtCoder Beginner Contest 408 6181 464 636 -20
AtCoder Beginner Contest 409 3883 862 662 +26
AtCoder Beginner Contest 410 4138 819 680 +18
UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) 4619 629 675 -5
AtCoder Beginner Contest 412 3375 910 702 +27
Denso Create Programming Contest 2025(AtCoder Beginner Contest 413) 3920 825 715 +13
Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) 4708 728 717 +2
Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) 5711 573 702 -15
AtCoder Beginner Contest 416 2117 1202 765 +63
AtCoder Beginner Contest 417 2652 1085 803 +38
AtCoder Beginner Contest 418 1773 1280 862 +59
AtCoder Beginner Contest 419 2120 1212 903 +41
AtCoder Beginner Contest 420 4733 706 884 -19
AtCoder Beginner Contest 421 6633 503 851 -33
AtCoder Beginner Contest 422 1296 1166 887 +36
AtCoder Beginner Contest 423 5302 509 854 -33
AtCoder Beginner Contest 424 2729 955 864 +10
UNIQUE VISION Programming Contest 2025 Autumn (AtCoder Beginner Contest 425) 2582 1028 882 +18
AtCoder Beginner Contest 426 2722 1085 904 +22
Panasonic Programming Contest 2025(AtCoder Beginner Contest 427) 3490 885 902 -2
AtCoder Beginner Contest 428 2107 1164 932 +30
Polaris.AI Programming Contest 2025(AtCoder Beginner Contest 429) 2726 1003 939 +7
AtCoder Beginner Contest 430 2478 1045 950 +11
TOYOTA SYSTEMS Programming Contest 2025(AtCoder Beginner Contest 431) 2500 1100 966 +16
OMRON Corporation Programming Contest 2025 #2 (AtCoder Beginner Contest 432) 5446 527 929 -37
AtCoder Beginner Contest 433 3438 1004 937 +8
Sky Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) 4534 583 906 -31
AtCoder Beginner Contest 435 5211 662 883 -23
AtCoder Beginner Contest 436 2569 1169 915 +32
UNIQUE VISION Programming Contest 2025 Christmas (AtCoder Beginner Contest 437) 2187 1246 953 +38
AtCoder Beginner Contest 438 3790 923 950 -3
AtCoder Beginner Contest 439 2839 1064 962 +12
AtCoder Beginner Contest 440 2992 1103 977 +15
AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) 4655 831 963 -14
JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) 2450 1209 990 +27
Denso Create Programming Contest 2026(AtCoder Beginner Contest 443) 2605 1157 1008 +18
AtCoder Beginner Contest 444 3120 1142 1022 +14
AtCoder Beginner Contest 445 6193 490 979 -43
AtCoder Beginner Contest 446 4056 774 960 -19
AtCoder Beginner Contest 447 1985 1291 998 +38
AtCoder Beginner Contest 448 2540 1186 1018 +20
AtCoder Beginner Contest 449 3916 972 1013 -5
AtCoder Beginner Contest 450 2517 1246 1039 +26
AtCoder Beginner Contest 451 3150 1111 1046 +7
AtCoder Beginner Contest 452 2805 1186 1061 +15
AtCoder Beginner Contest 453 3633 1037 1059 -2
Keysight Technologies Programming Contest(AtCoder Beginner Contest 454) 2616 1160 1069 +10
Sky Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) 3812 944 1057 -12
Polaris.AI Programming Contest 2026(AtCoder Beginner Contest 457) 3302 1046 1056 -1
AtCoder Beginner Contest 458 3584 1059 1056 ±0
Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) 6640 571 1016 -40
AtCoder Beginner Contest 460 4760 896 1005 -11