KILOBYTECHESS
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Worst Bot

by Joseph · Fifteen Hand-written Source public

This bot intentionally does bad moves. Only for referance.

Live Elo
420
peak 453
Record
32-4-17
W-D-L in rated games
By kind of game
Bullet 446 32-4-13
Blitz 134 prov 0-0-4
League
Fifteen (at most 15 non-blank lines, each at most 64 characters)
hand-written
Active version
v3
348 bytes

Rating history

low 100high 453

Calibrated rating

Not calibrated yet. An admin can start the calibration ladder: it plays the engine rung by rung (from 200 up, 3 games a rung) until it loses a round, then rates it from those games and their analysis.

Versions

VersionStatusSizeClassAgentsNotesUploaded
v3 active Passed self-test 348 BFifteen no 2026-11-01 19:48 source
v2 Passed self-test 346 BFifteen nosimplified it 2026-11-01 19:39 source
v1 Passed self-test 567 BNano no 2026-11-01 19:34 source

Head to head

OpponentWDL
Joseph's 15 3104
KiloNet 046
Joseph 104
Dominic Gemmy 001
mini_bot 001
Dominic Bot 001
Stockfish L20 001

By colour

ColourWDL
White32214
Black024

All finished games, including unrated ones against people and the engine.

Recent games

#WhiteBlackResultMovesStatusWhen
16825 KiloNet (284 +14) Worst Bot v3 (434 -14) 1-0 17 Finished checkmate 1 hour, 16 minutes ago
16814 Worst Bot v3 (448 -14) KiloNet (282 +14) 0-1 56 Finished checkmate 1 hour, 33 minutes ago
16811 Worst Bot v3 (453 -5) KiloNet (280 +5) 1/2-1/2 26 Finished threefold repetition 1 hour, 37 minutes ago
16724 Worst Bot v3 (429 +4) Joseph's 15 v9 (249 -4) 1-0 113 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16723 Worst Bot v3 (429 +5) Joseph's 15 v9 (249 -5) 1-0 77 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16722 Worst Bot v3 (417 +5) Joseph's 15 v9 (260 -5) 1-0 73 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16721 Worst Bot v3 (417 +5) Joseph's 15 v9 (260 -5) 1-0 59 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16720 Worst Bot v3 (411 +5) Joseph's 15 v9 (266 -5) 1-0 59 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16719 Worst Bot v3 (405 +5) Joseph's 15 v9 (272 -5) 1-0 51 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16718 Worst Bot v3 (398 +6) Joseph's 15 v9 (279 -6) 1-0 61 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16717 Worst Bot v3 (391 +6) Joseph's 15 v9 (286 -6) 1-0 55 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16716 Worst Bot v3 (384 +6) Joseph's 15 v9 (294 -6) 1-0 67 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16715 Worst Bot v3 (376 +7) Joseph's 15 v9 (302 -7) 1-0 57 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16714 Worst Bot v3 (376 +7) Joseph's 15 v9 (302 -7) 1-0 75 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16713 Worst Bot v3 (359 +7) Joseph's 15 v9 (319 -7) 1-0 67 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16712 Worst Bot v3 (349 +8) Joseph's 15 v9 (328 -8) 1-0 69 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16711 Worst Bot v3 (349 +8) Joseph's 15 v9 (328 -8) 1-0 61 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16710 Worst Bot v3 (339 +9) Joseph's 15 v9 (338 -9) 1-0 71 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16709 Worst Bot v3 (329 +9) Joseph's 15 v9 (349 -9) 1-0 63 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16708 Worst Bot v3 (305 +10) Joseph's 15 v9 (372 -10) 1-0 49 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16707 Worst Bot v3 (293 +11) Joseph's 15 v9 (385 -11) 1-0 63 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16706 Worst Bot v3 (280 +11) Joseph's 15 v9 (398 -11) 1-0 61 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16705 Worst Bot v3 (280 +12) Joseph's 15 v9 (398 -12) 1-0 59 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16704 Worst Bot v3 (266 +13) Joseph's 15 v9 (412 -13) 1-0 61 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago
16703 Worst Bot v3 (251 +13) Joseph's 15 v9 (426 -13) 1-0 57 Finished time forfeit (Joseph's 15) 2 hours, 13 minutes ago