Leela Zero vs Stockfish – Redefining Exchange Sacrifice!


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Before getting into the interesting game between these chess computers, let me remind of you the $35 USD voucher I’m providing you with as a thank you for your participation in the RCA YouTube Giveaway. Use the code “50k” while purchasing any course from our shop. If you don’t know how to use a discount code, please see here. Today (Tuesday, 8 October) is the LAST chance for you to use this.
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designToday we are going to see a very interesting game played between Leela Zero and Stockfish, two chess engines. Before that, a small introduction to both engines:

Leela Zero

Leela Zero is a free and open-source computer Go software released on 25 October 2017. Its algorithm is based on DeepMind’s 2017 paper about AlphaGo Zero. Unlike the original Leela, which has a lot of human knowledge and heuristics programmed into it, the program code in Leela Zero only knows the basic rules and nothing more. The knowledge that makes Leela Zero a strong player is contained in a neural network, which is trained based on the results of previous games that the program played.

Leela Zero finished third at the BerryGenomics Cup World AI Go Tournament in Fuzhou, Fujian, China on 28 April 2018. The New Yorker at the end of 2018 characterized Leela and Leela Zero as “the world’s most successful open-source Go engines”.

Stockfish

Stockfish is a free and open-source UCI chess engine, available for various desktop and mobile platforms. Stockfish is consistently ranked first or near the top of most chess-engine rating lists and is the strongest open-source conventional chess engine in the world. It won the unofficial world computer chess championships in seasons 6 (2014), 9 (2016), 11 (2018), 12 (2018), 13 (2018), and 14 (2019). It finished runner-up in season 5 (2013), 7 (2014), 8 (2015), and 15 (2019).

Stockfish can use up to 512 CPU threads in multiprocessor systems. The maximal size of its transposition table is 128 GB.

Does it sound like tough competition? Well, the game is really amazing to see because Leela delivered an amazing exchange sacrifice in the middlegame with a compensation of a bishop pair and a pawn, and then to 5 passed pawns later in the game! 😊 Watch the instructive analysis by the RCA guest coach CM Tryfon Gavriel:
 

 
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