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'''TCEC Season 17''',<br/>
the Top Chess Engine Championship (TCEC) Season 17 from January 02 until April 21, 2020. It was the first time, TCEC differentiated between a CPU League and a [[GPU]] League - the latter cancelled so far, since only two participants met the uniqueness criteria, to become default qualifiers for the [[#Playoff1|Playoff for the Premier Division]] along with the four top engines of [[#First|CPU League 1]].The number of available CPU cores was enhanced to 88, engines running under [[Linux]] or its [https://en.wikipedia.org/wiki/Compatibility_layer compatibility layer] [https://en.wikipedia.org/wiki/Wine_(software) Wine],6-man [[Syzygy Bases|Syzygy bases]] cached in [[Memory#RAM|RAM]] <ref>[http://www.chessdom.com/tcec-s17-detailed-information/ TCEC S17 – detailed information], [[Chessdom]], December 21, 2019</ref>.
=Participants=
=Divisions=
<span id="Third"></span>
==CPU Qualification==
'''[[TCEC Season 16#Third|< Prev]] [[TCEC Season 18#Third|Next >]]'''<br/>
==Second Division==
'''[[TCEC Season 16#Second|< Prev]] [[TCEC Season 18#Second|Next >]]'''<br/>
CPU League 2, January 15 - January 25, 2020, timecontrol 30' + 5<nowiki>''</nowiki>
{| class="wikitable"
! #
! Engine
! Fi
! De
! Ru
! Va
! Pe
! Wi
! PS
! Ne
! Gu
! Wa
! Dm
! Te
! Mi
! iC
! Ig
! Pi
! P<span style="font-size: 80%; vertical-align: sub;">30</span>
|- style="background-color:#ccffcc;"
! 1
| [[Fire|Fire 021819]]
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 ½
! 23
|- style="background-color:#ccffcc;"
! 2
| [[Defenchess|Defenchess 2.3_dev]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 ½
! 22
|- style="background-color:#ccffcc;"
! 3
| [[RubiChess|RubiChess 1.6.1.1]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
! 18½
|- style="background-color:#ccffcc;"
! 4
| [[Vajolet|Vajolet2 2.9.0-TCEC-S17]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 1 1
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 1 1
! 17½
|- style="background-color:#ccccff;"
! 5
| [[Pedone|Pedone 2.0]]
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 1 1
! 16½
|- style="background-color:#ccccff;"
! 6
| [[Winter|Winter 0.7.4]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 1
| style="text-align:center;" | '''x'''
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
! 15
|- style="background-color:#ccccff;"
! 7
| [[PeSTO|PeSTO 2.210]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 1
| style="text-align:center;" | 0 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
! 14½
|- style="background-color:#ccccff;"
! 8
| [[Nemorino|Nemorino 5.27]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 1 1
! 14½
|-
! 9
| [[Gull|Gull 20170410_256th]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
! 14½
|-
! 10
| [[Wasp|Wasp 3.82]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 1
| style="text-align:center;" | 0 0
! 14½
|-
! 11
| [[Demolito|Demolito 20191229]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 1 0
| style="text-align:center;" | 0 1
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 ½
! 13½
|-
! 12
| [[Texel|Texel 1.08a13]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 ½
| style="text-align:center;" | 0 1
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 1
! 13½
|-
! 13
| [[Minic|Minic 1.32]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 1 ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ 1
! 12½
|-
! 14
| [[ICE|iCE 4.0.853]]
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 1
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
! 11
|-
! 15
| [[Igel|Igel 2.3.1]]
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 1 0
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | 0 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
| style="text-align:center;" | ½ ½
! 10½
|-
! 16
| [[Pirarucu|Pirarucu 3.2.4]]
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ ½
| style="text-align:center;" | ½ 0
| style="text-align:center;" | 0 0
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 1 1
| style="text-align:center;" | 0 ½
| style="text-align:center;" | 0 0
| style="text-align:center;" | ½ 0
| style="text-align:center;" | ½ 1
| style="text-align:center;" | ½ ½
| style="text-align:center;" | '''x'''
! 8½
|}
<span id="First"></span>
==First Division==
'''[[TCEC Season 16#First|< Prev]] [[TCEC Season 18#First|Next >]]'''<br/>
CPU League 1, January 31 - February 15, 2020, timecontrol 45' + 5<nowiki>''</nowiki> <ref>[https://www.tcec-chess.com/archive.html?season=17&div=cpul1&game=1 S17 - CPU League 1 | TCEC - Computer Chess Broadcast]</ref>.Since [[Booot]], [[Chiron]], [[ChessBrainVB]] did not run under Wine, and [[Jonny]] had problems as well and was not updated in time, four more engines, rank 5 to 8 of [[#Second|League 2]] promoted <ref>[https://en.wikipedia.org/wiki/TCEC_Season_17#CPU_League_One TCEC Season 17 - CPU League One from Wikipedia]</ref>.
{| class="wikitable"
==Playoff==
Playoff for Premier Division, March 07 - March 12, 2020, timecontrol 60' + 5<nowiki>''</nowiki> <ref>[https://www.tcec-chess.com/archive.html?season=17&div=playofffordivp&game=1 S17 - Playoff for Division P | TCEC - Computer Chess Broadcast]</ref>
The four top engines of [[#First|CPU League 1]] and the two default qualifiers of the GPU League, [[Scorpio#ScorpioNN|ScorpioNN]] and [[Chess Fighter|ChessFighter]].
{| class="wikitable"
! #
* [[ECO|Encyclopaedia of Chess Openings (ECO)]]
* [https://en.wikipedia.org/wiki/List_of_chess_openings List of chess openings - Wikipedia]
=Postings=
* [http://www.chessdom.com/tcec-s17-detailed-information/ TCEC S17 – detailed information], [[Chessdom]], December 21, 2019
* [http://www.chessdom.com/tcec-season-17-premier-division-is-now-live/ TCEC Season 17 – Premier Division is now live!], [[Chessdom]], March 17, 2020
* [https://lczero.org/blog/2020/04/wdl-head/ Win-Draw-Loss evaluation] by [[Alexander Lyashuk|crem]], [[Leela Chess Zero|LCZero blog]], April 21, 2020 » [[Pawn Advantage, Win Percentage, and Elo]]
* [https://lczero.org/blog/2020/04/tcec-s17-super-final-report/ TCEC S17 SUper FInal report] by @glbchess64, [[Leela Chess Zero|LCZero blog]], April 21, 2020
=External Links=
* [https://tcec-chess.com/ TCEC - Live Mode]
* [https://www.tcec-chess.com/archive.html?season=17&div=ql&game=1 TCEC Web Gui Archive Season 17]
* [https://wiki.chessdom.org/TCEC_Season_17 TCEC Season 17 - TCEC wiki]
** [https://wiki.chessdom.org/TCEC_Season_17_Game_coverage TCEC Season 17 Game coverage]
** [https://wiki.chessdom.org/TCEC_Season_17_Further_information TCEC Season 17 Further information]
* [https://en.wikipedia.org/wiki/TCEC_Season_17 TCEC Season 17 from Wikipedia]
* [http://mytcecexperience.blogspot.com/ My TCEC Experience] by [https://www.blogger.com/profile/16213029778243498981 Assaf Wool]
