TCEC Season 21

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TCEC Season 21, the Top Chess Engine Championship (TCEC) Season 21 from May 10 until August 2021. Stockfish 14_202107131735 won the Superfinal versus LCZero 0.28-dev+_69626.

=Participants=
 * CC Country Codes

=Divisions=

Qualification
< Prev Next > Qualification League, May 10 - May 19, 2021, timecontrol 30' + 5 ''

League 4
< Prev Next > League 4, May 19 - May 25, 2021, timecontrol 30' + 5 '' .

League 3
< Prev Next > Season 21, League 3, May 25 - May 30, 2021, timecontrol 30' + 5 '' .

League 2
< Prev Next > Season 21, League 2, June 05 - June 11, 2021, timecontrol 30' + 5 '' .

League 1
< Prev Next > Season 21, League 1, June 11 - June 19, 2021, timecontrol 45' + 5 ''

Premier Division
< Prev Next > Season 21, Premier Division, June 21 - July 11, 2021, timecontrol 60' + 7 '' =Finals=

Infrafinal
A 50 games head to head contest between the 3rd and 4th place of the Premier Division to determine the 3rd finishing engine of the TCEC Season 21, from July 12 to July 18, 2021. Timecontrol 90' + 9''.

Superfinal
< Prev Next > July 20 - August 2021, timecontrol 120'+10"

LCZero 0.28-dev+_69626 - Stockfish 14_202107131735

After round 91 on August 05, 2021, Stockfish 14_202107131735 had already 50½.

=Postings=
 * ClassicAra takes the sole lead after R8, Chessdom, May 13, 2021
 * Koivisto downs with black the rating favorite, Chessdom, May 16, 2021
 * Koivisto is the winner of TCEC S21 Qualification League, Chessdom, May 19, 2021
 * Halogen with flying start at TCEC S21 L4, Chessdom, May 21, 2021
 * “The failed triumvirate report”, Chessdom, May 22, 2021
 * Booot kicks into high gear, wins TCEC S21 L4, Chessdom, May 25, 2021
 * will Tcec allow Stockfish with a Leela net to play? by Wilson, CCC, June 17, 2021

=External Links=
 * TCEC - Live Mode
 * TCEC - Live Old Mode
 * TCEC Leagues Season 21 - TCEC wiki
 * TCEC Season 21 from Wikipedia
 * Silicon Road by Matthew Sadler, YouTubeVideos

=References= Up one level