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Home World News

Leela Chess Zero wins the TCEC Subfinal

Admin by Admin
May 17, 2022
in World News
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Leela Chess Zero wins the TCEC Subfinal

Aronian
MVL
0
1
TB 1.3
MVL
So
1
0
TB 1.2
So
Aronian
1
0
TB1.1
Dominguez
So
1/2
1/2
R9
Firouzja
MVL
0
1
R9
Deac
Caruana
1/2
1/2
R9
Rapport
Nepo
1/2
1/2
R9
Aronian
Mamedyarov
1/2
1/2
R9
Nepo
Aronian
1/2
1/2
R8
Caruana
Rapport
1/2
1/2
R8
MVL
Deac
1/2
1/2
R8
So
Firouzja
1/2
1/2
R8
Mamedyarov
Dominguez
1/2
1/2
R8
Firouzja
Dominguez
1
0
R7
Deac
So
1/2
1/2
R7
Rapport
MVL
0
1
R7
Aronian
Caruana
1/2
1/2
R7
Nepo
Mamedyarov
0
1
R7
Caruana
Nepo
1/2
1/2
R6
MVL
Aronian
0
1
R6
So
Rapport
1/2
1/2
R6
Dominguez
Deac
1
0
R6
Mamedyarov
Firouzja
1/2
1/2
R6
Deac
Firouzja
1/2
1/2
R5
Rapport
Dominguez
1/2
1/2
R5
Aronian
So
1/2
1/2
R5
Nepo
MVL
1/2
1/2
R5
Caruana
Mamedyarov
1
0
R5
MVL
Caruana
1
0
R4
So
Nepo
1
0
R4
Dominguez
Aronian
0
1
R4
Firouzja
Rapport
1/2
1/2
R4
Mamedyarov
Deac
1/2
1/2
R4
Rapport
Deac
0
1
R3
Aronian
Firouzja
1/2
1/2
R3
Nepo
Dominguez
1/2
1/2
R3
Caruana
So
1/2
1/2
R3
MVL
Mamedyarov
1/2
1/2
R3
So
MVL
1/2
1/2
R2
Dominguez
Caruana
1/2
1/2
R2
Firouzja
Nepo
0
1
R2
Deac
Aronian
1/2
1/2
R2
Mamedyarov
Rapport
1/2
1/2
R2
Aronian
Rapport
1/2
1/2
R1
Nepo
Deac
1/2
1/2
R1
Caruana
Firouzja
1/2
1/2
R1
MVL
Dominguez
1/2
1/2
R1
So
Mamedyarov
1
0
R1
Duda
Nepo
R14 LIVE
Liren
Nakamura
R14 LIVE
Caruana
Firouzja
R14 LIVE
Rapport
Radjabov
R14 LIVE
Radjabov
Caruana
R13 LIVE
Firouzja
Liren
R13 LIVE
Nakamura
Duda
R13 LIVE
Nepo
Rapport
R13 LIVE
Nepo
Nakamura
R12 LIVE
Duda
Firouzja
R12 LIVE
Liren
Radjabov
R12 LIVE
Rapport
Caruana
R12 LIVE
Caruana
Liren
R11 LIVE
Radjabov
Duda
R11 LIVE
Firouzja
Nepo
R11 LIVE
Nakamura
Rapport
R11 LIVE
Nakamura
Firouzja
R10 LIVE
Nepo
Radjabov
R10 LIVE
Duda
Caruana
R10 LIVE
Rapport
Liren
R10 LIVE
Liren
Duda
R9 LIVE
Caruana
Nepo
R9 LIVE
Radjabov
Nakamura
R9 LIVE
Firouzja
Rapport
R9 LIVE
Firouzja
Radjabov
R8 LIVE
Nakamura
Caruana
R8 LIVE
Nepo
Liren
R8 LIVE
Rapport
Duda
R8 LIVE
Caruana
Radjabov
R7 LIVE
Liren
Firouzja
R7 LIVE
Duda
Nakamura
R7 LIVE
Rapport
Nepo
R7 LIVE
Nepo
Duda
R6 LIVE
Nakamura
Liren
R6 LIVE
Firouzja
Caruana
R6 LIVE
Radjabov
Rapport
R6 LIVE
Nakamura
Nepo
R5 LIVE
Firouzja
Duda
R5 LIVE
Radjabov
Liren
R5 LIVE
Caruana
Rapport
R5 LIVE
Liren
Caruana
R4 LIVE
Duda
Radjabov
R4 LIVE
Nepo
Firouzja
R4 LIVE
Rapport
Nakamura
R4 LIVE
Firouzja
Nakamura
R3 LIVE
Radjabov
Nepo
R3 LIVE
Caruana
Duda
R3 LIVE
Liren
Rapport
R3 LIVE
Duda
Liren
R2 LIVE
Nepo
Caruana
R2 LIVE
Nakamura
Radjabov
R2 LIVE
Rapport
Firouzja
R2 LIVE
Radjabov
Firouzja
R1 LIVE
Caruana
Nakamura
R1 LIVE
Liren
Nepo
R1 LIVE
Duda
Rapport
R1 LIVE
Radjabov
Firouzja
R1 LIVE
Caruana
Nakamura
R1 LIVE
Liren
Nepo
R1 LIVE
Duda
Rapport
R1 LIVE
Wesley
Predke
1/2
1/2

Mamedyarov
Dubov
1/2
1/2

Nakamura
Esipenko
1/2
1/2

Aronian
Oparin
1/2
1/2

Aronian
Nakamura
1
0

Esipenko
Oparin
1/2
1/2

Keymer
Mamedyarov
1/2
1/2

Dubov
Dominguez
0
1

Predke
MVL
1
0

Shankland
Wesley
1/2
1/2

Giri
Yangyi
1/2
1/2

Vitiugov
Tabatabaei
1
0

Salgado
Fedoseev
0
2
Final result
Alekseenko
Krasenkow
0.5
1.5
Final result
Artemiev
Studer
1.5
0.5
Final result
Predke
Nasuta
1.5
0.5
Final result
Afanasiev
Inarkiev
3
1
Final result
Donchenko
Indjic
0.5
1.5
Final result
Braun
Rakhmanov
1.5
0.5
Final result
Rakhmanov
Braun
0
1
R3.1 Result
Indjic
Donchenko
1/2
1/2
R3.1 Result
Inarkiev
Afanasiev
1/2
1/2
R3.1 Result
Nasuta
Predke
1/2
1/2
R3.1 Result
Studer
Artemiev
1/2
1/2
R3.1 Result
Krasenkow
Alekseenko
1/2
1/2
R3.1 Result
Fedoseev
Salgado
1
0
R3.1 Result
Hracek
Artemiev
0
2
Final result
Urkedal
Esipenko
0.5
1.5
Final result
Nikolov
Alekseenko
0.5
1.5
Final result
Ibarra
Navara
1
3
Final result
Perunovic
Predke
0
2
Final result
Rosell
Matlakov
0.5
1.5
Final result
Fedoseev
Pantzar
2
0
Final result
Krasenkow
Yuffa
2
0
Final result
Artemiev
Hracev
1
0
R2.1 Result
Esipenko
Urkedal
1
0
R2.1 Result
Alekseenko
Nikolov
1
0
R2.1 Result
Navara
Ibarra
1/2
1/2
R2.1 Result
Predke
Perunovic
1
0
R2.1 Result
Matlakov
Rosell
1
0
R2.1 Result
Pantzar
Fedoseev
0
1
R2.1 Result
Yuffa
Krasenkow
0
1
R2.1 Result
Notkevich
Laznicka
1
3
Final result
Ayats
Movsesian
1.5
2.5
Final result
Gines
Paravyan
0.5
1.5
Final result
Petriashvili
Saric
0.5
1.5
Final result
Williams
Sahakyan
0.5
1.5
Final result
Damljanovic
Kuzubov
0.5
1.5
Final result
Dias
Motylev
0.5
1.5
Final result
Finek
Lagarde
0.5
1.5
Final result
Laznicka
Notkevich
0
1
Round 1.1
Movsesian
Llobera Ayats
1/2
1/2
Round 1.1
Paravyan
Gines Esteo
1
0
Round 1.1
Saric
Petriashvili
1
0
Round 1.1
Sahakyan
Williams
1/2
1/2
Round 1.1
Kuzubov
Damljanovic
1/2
1/2
Round 1.1
Motylev
Dias
1/2
1/2
Round 1.1
Lagarde
Finek
1
0
Round 1.1
MVL
Wang
1
0

Ding
Nepo
1
0

Giri
Alekseenko
0
1

Caruana
Grischuk
1/2
1/2

Grischuk
Giri
1
0

Ding
Alekseenko
1
0

MVL
Nepo
1/2
1/2

Caruana
Wang
1
0

Nepo
Wang
0
1

MVL
Alekseenko
1
0

Ding
Grischuk
1

Caruana
Giri
0
1

Ding
Giri
0
1

MVL
Grischuk
0
1

Wang
Alekseenko
1/2
1/2

Caruana
Nepo
1/2
1/2

ALekseenko
Nepo
0
1

Grischuk
Wang
1/2
1/2

Giri
MVL
1/2
1/2

Ding
Caruana
1/2
1/2

MVL
Ding Liren
1/2
1/2

Wang
Giri
0
1

Nepo
Grischuk
1/2
1/2

Caruana
Alekseenko
1/2
1/2

Grischuk
Alekseenko
0
1

Giri
Nepo
1/2
1/2

Ding
Wang
1/2
1/2

MVL
Caruana
0
1

Grischuk
Giri
1/2
1/2

Alekseenko
Ding
1/2
1/2

Nepo
MVL
0
1

Wang
Caruana
1/2
1/2

Caruana
MVL
1/2
1/2

True to her Petrosian-esque reputation of a strong match player who does not often win tournaments, Leela Chess Zero defeated Komodo Dragon 54.5-45.5 (+24 -15 =61) to win the TCEC Subfinal. The match started out closely contested, with Leela scoring wins in games 1 & 5 before Komodo Dragon evened the score with its own wins in games 7 & 13. Three draws later, Leela regained the lead with a win in game 17, followed by two more wins in games 21 and 23 before Komodo Dragon fought back to win game 25.There followed a bloody series of games where both engines took turns to win games – but not openings – before Komodo Dragon once again evened the score by winning games 34 and 38. This was as far as Komodo Dragon got however, as Leela won game 39 and never lost the lead again. Living up to bookmaker Jeroen Noomen’s observation that decisive games dry up as the match progresses, the second half of the Subfinal was less bloody, but there were more decisive openings. If engines really do get tired, Komodo Dragon actually played this match with a substantial handicap since it had just played a 100-game superfinal! Upcoming: TCEC Cup jubilee edition starts today!

Lc0’s victory reignited an old debate about whether the Premier Division was fair, as it had “failed” to select the two strongest engines for the Superfinal. Still, even Leela superfan mrbdzz agreed that the Komodo and Leela were quite close in strength, resulting in an exciting match. Furthermore, Stockfish was kibitzing the Subfinal and it pointed out several winning moves that both Leela and Komodo missed. Grandmaster Matthew Sadler agreed, pointing out that there was more of a difference between Komodo Dragon’s and Leela’s styles than Stockfish/Komodo. The Subfinal was also something of a success for GM Sadler, since he evened the “bookmaker’s score” with Jeroen – in this informal competition between the two bookmakers, Jeroen had “won” the Superfinal (there were more decisive openings selected by Jeroen in the Superfinal), but the reverse happened in the Subfinal. Read more: Matthew Sadler explains How to Maintain Your Chess Strength

With the conclusion of the Subfinal, next on the agenda is the 32-player TCEC Cup. In the last edition of the Cup, Stockfish had finished first, Leela second, and Komodo third. Although Stockfish is undoubtedly still the hot favorite to win the Cup, we’ll see several up-and-coming engines play against their higher-ranked peers. Koivisto and Berserk, who had just missed out on promotion from League 3 and League 1 respectively, will be especially keen to make an early statement on their Premier Division credentials next season. All games are available live at https://tcec-chess.com/.
Article by Low

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