TCEC Season 20

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TCEC Season 20, the Top Chess Engine Championship (TCEC) Season 20 from December 01, 2020 until February 01, 2021. Stockfish 20210113 defended its TCEC title! In total Stockfish won 14 and lost 8 games, 4 game pairs with both White wins, 10 game pairs in favour to Stockfish - four game pairs won by Leela.

=Participants= Houdini and Fire been removed from further participation.
 * CC Country Codes

=Divisions=

Qualification
< Prev Next > Qualification League, December 01 - December 02, 2020, timecontrol 30' + 5 ''.

League 4
< Prev Next > League 4, December 02 - December 06, 2020, timecontrol 30' + 5 ''.

League 3
< Prev Next > League 3, December 06 - December 10, 2020, timecontrol 30' + 5 ''.

League 2
< Prev Next > League 2, December 13 - December 17, 2020, timecontrol 30' + 5 ''.

League 1
< Prev Next > League 1, December 17 - December 25, 2020, timecontrol 45' + 5 ''.

Premier Division
< Prev Next > December 26, 2020 - Januráry 15, 2021, timecontrol 60' + 7 '' =Superfinal= < Prev Next > January 16, 2020 - February 01, 2021, timecontrol 120'+10"

=Publications=
 * Guy Haworth, Nelson Hernandez (2021). The 20th Top Chess Engine Championship, TCEC20. ICGA Journal, Vol. 43, No. 1, pdf
 * Matthew Sadler (2021). The TCEC20 Computer Chess Superfinal: a Perspective. ICGA Journal, Vol. 43, No. 1, pdf

=Forum Posts=
 * Nemorino is surprising everybody in League 1 by Chessqueen, CCC, December 19, 2020 » Nemorino, NNUE
 * A Thank You, to TCEC by Andrew Grant, CCC, December 21, 2020
 * TCEC season 20 by Warren D. Smith, LCZero Forum, January 14, 2021

=External Links=
 * TCEC - Live Mode
 * TCEC - Live Old Mode
 * TCEC Season 20 from Wikipedia
 * TCEC Web Gui Archive Season 19
 * TCEC Season 20 - TCEC wiki
 * TCEC Season 20 Engines - TCEC wiki
 * Openings FAQ - TCEC wiki

=References= Up one level