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'''TCEC Season 20''',<br/>
the Top Chess Engine Championship (TCEC) Season 20 from December 01, 2020until February 01, 2021. [[Stockfish|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 Chess Zero|Leela]].
{| class="wikitable" style="margin: auto;"
! [[#Superfinal|Superfinal]] :
| [[Leela Chess ZeroStockfish|LCZeroStockfish 20210113]]
| -
| [[StockfishLeela Chess Zero|LCZero 0.27.0d-Tilps-dje-magic_JH.94-100]]!53-47
|}
=Participants=
|-
| [[Leela Chess Zero|LCZero]]
! BE/CA/<br/>CH/IN/<br/>AU++| [[Gian-Carlo Pascutto]], [[Gary Linscott]],<br/>[[Alexander Lyashuk]], [[Ankan Banerjee]],<br/>[[Gareth Pearce]] et al.
|
|
|
| style="text-align:center;" | 1
| style="text-align:center;" | 2
|-
| [[Marvin]]
|
| style="text-align:center;" | 2
| style="text-align:center;" | '''1'''
|-
| [[Stoofvlees|Stoofvlees II]]
=Superfinal=
'''[[TCEC Season 19#Sufi|< Prev]] [[TCEC Season 21#Sufi|Next >]]'''<br/>
January 16, 2020 - February 01, 2021, timecontrol 120'+10"<br/> {| class="wikitable"! # ! Engine ! W! D! L! P<span style="font-size: 80%; vertical-align: sub;">100</span>|- ! 1| [[Stockfish|Stockfish 20210113]]| style="text-align:right;" | 14| style="text-align:right;" | 78| style="text-align:right;" | 8! 53 |-! 2 | [[Leela Chess Zero|LCZero0.27.0d-Tilps-dje-magic_JH.94-100]] | style="text-align:right;" | 8| style="text- align:right;" | 78 | style="text-align:right;" | 14 ! 47 |} =Publications=* [[StockfishGuy Haworth]], [[Nelson Hernandez]] ('''2021'''). ''The 20th Top Chess Engine Championship, TCEC20''. [[ICGA Journal#43_1|ICGA Journal, Vol. 43, No. 1]], [https://tcec-chess.com/articles/TCEC_20.pdf pdf]* [[Matthew Sadler]] ('''2021'''). ''The TCEC20 Computer Chess Superfinal: a Perspective''. [[ICGA Journal#43_1|ICGA Journal, Vol. 43, No. 1]], [https://tcec-chess.com/articles/Sufi_20_-_Sadler.pdf pdf]
=Forum Posts=
