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'''TCEC Season 19''',<br/>
the Top Chess Engine Championship (TCEC) Season 19 from August 06 until October 16, 2020. After game 93 of games the [[#Superfinal|Superfinal]]was decided, when [[Stockfish|]] aka [[Stockfish 202009282242_nn-baeb9ef2d183NNUE]] had reached 50½ of 100 points of 50 game pairs to defend its TCEC title! In total Stockfish won 18 and lost 9 games, 8 game pairs with both White wins, 10 game pairs in favour to Stockfish - one game pair won TCEC Season 19!by [[Leela Chess Zero|Leela]]. There was no win by Black.
{| class="wikitable" style="margin: auto;"
! [[#Superfinal|Superfinal]] :
| -
| [[Leela Chess Zero|LCZero v0.26.3-rc1_T60.SV.JH.92-190]]
! 5x 54½- 4y45½
|}
=Participants=
<span id="Fourth"></span>
==Qualification==
'''[[TCEC Season 18#Fourth|< Prev]] [[TCEC Season 20#Qual|Next Q]] [[TCEC Season 20#Fourth|Next 4 >]]'''<br/>
Qualification League, August 06 - August 12, 2020, timecontrol 30' + 5<nowiki>''</nowiki> <ref>[https://www.tcec-chess.com/archive.html?season=19&div=ql&game=1 S19 - Qualification League | TCEC - Computer Chess Broadcast]</ref>.
{| class="wikitable"
'''[[TCEC Season 18#Superfinal|< Prev]] [[TCEC Season 20#Superfinal|Next >]]'''<br/>
September 30 - October 16, 2020, timecontrol 120'+10"<br/>
[[Stockfish|Stockfish 202009282242_nn-baeb9ef2d183]] - [[Leela Chess Zero|LCZero v0.26.3-rc1_T60.SV.JH.92-190]] +18 =73 - [[Stockfish|Stockfish 202009282242_nn9, '''54½-baeb9ef2d183]] 45½''' <ref>[http://blogchess2016.blogspot.com/2020/09/opening-selection-tcec-19-superfinal.html Opening selection TCEC 19 superfinal] by [[Jeroen Noomen]], September 19, 2020</ref> After game 93, Stockfish had 50½ and is winner of the Superfinal.
{| class="wikitable"
| style="text-align:right;" | 97
| style="text-align:right;" | 98
! E98| King's Indian| style="text-align:center;" | [https://tcec-chess.com/#div=sf&game=97&season=19 ½-½]| style="text-align:center;" | [https://tcec-chess.com/#div=sf&game=98&season=19 ½-½]| style="text-align:center;" | 1
| -
| style="text-align:center;" | 1 ! 44½
| -
! 53½
|-
| style="text-align:right;" | 99
| style="text-align:right;" | 100
! B72| Sicilian| style="text-align:center;" | [https://tcec-chess.com/#div=sf&game=99&season=19 ½-½]| style="text-align:center;" | [https://tcec-chess.com/#div=sf&game=100&season=19 ½-½]| style="text-align:center;" | 1
| -
| style="text-align:center;" | 1 ! 45½
| -
! 54½ |-
|}
* [[ECO|Encyclopaedia of Chess Openings (ECO)]]
* [https://en.wikipedia.org/wiki/List_of_chess_openings List of chess openings - Wikipedia]
=Publications=
* [[Guy Haworth]], [[Nelson Hernandez]] ('''2020'''). ''The 19th Top Chess Engine Championship, TCEC19''. [[ICGA Journal#42_4|ICGA Journal, Vol. 42, No. 4]], [https://tcec-chess.com/articles/TCEC_19.pdf pdf]
* [[Matthew Sadler]] ('''2020'''). ''The TCEC19 Computer Chess Superfinal: A perspective''. [[ICGA Journal#42_4|ICGA Journal, Vol. 42, No. 4]], [https://tcec-chess.com/articles/Sufi_19_-_Sadler.pdf pdf]
=Forum Posts=
