Over the past 10 years, there have been a handful of truly dominant chess engines—Komodo and Stockfish have been battling at the top of the chess engine world since 2013. Let's learn more about the insanely powerful chess engine Komodo.
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Komodo is one of the strongest and most successful Universal Chess Interface (UCI) chess engines on the market. It was originally developed by Don Dailey in 2010 and was further developed by Mark Lefler in 2013. GM Larry Kaufman has been supporting and improving the engine for many years as well.
Komodo was acquired by Chess.com in 2018 alongside the release of Komodo's 'Monte Carlo' version. Unlike most conventional chess engines, Komodo Monte Carlo selects its moves by win probability and not with the traditional alpha-beta pruning method. This methodology is similar to the machine-learning chess projects AlphaZero and Leela Chess Zero.
Komodo gains an edge over conventional brute force engines because of its positional style of play and the fact that it relies on position evaluation over depth—when most engines can't find a good plan, Komodo can seemingly create something out of nothing. These are just two of the factors that contribute to Komodo's long-term success and an impressive number of world championships.
Komodo has the ability to run at different playing strengths and with different styles and opening books, which is a very popular feature for chess players. It runs on many platforms, including Windows, Mac OS X, Linux, and Android. Although it is a commercial chess engine, earlier versions are free.
In 2020, the Komodo team released a new engine they called 'Dragon,' which incorporated NNUE (Efficiently Updatable Neural Networks) technology to the already powerful Komodo engine. The added NNUE technology allows Komodo's engine to integrate the deeper positional understanding possessed by neural network engines such as AlphaZero and Leela Chess Zero.
In practice, Komodo Dragon gained a dramatic increase in playing strength, is easier to use (not requiring an advanced graphics processing unit), and has higher ceilings for potential strength.
Below you can see NM Sam Copeland analyzing one of Dragon's positional masterpieces:
Komodo has won many top-level engine championships: CCT15, three Top Chess Engine Championships (TCEC), multiple World Computer Chess Championships, multiple World Computer Blitz championships, and multiple World Chess Software championships. According to the October 2020 computer chess rating list (CCRL), Komodo is ranked third in the world with a rating of 3419.
Stepping onto the scene in 2010, Komodo had its first major success in the CCT15 tournament in 2013 when it placed first with a score of 6.5/7 ahead of Hannibal, Crafty, and 21 other powerful engines. At the end of 2013, Komodo defeated Stockfish in the TCEC season-five superfinal. In TCEC season six it reached the superfinal against Stockfish again (but lost this time). In 2014 and 2015 Komodo again faced Stockfish in the TCEC superfinals for seasons seven and eight; Komodo won both of these championships.
In 2016 Komodo won the World Computer Chess Championship and the World Computer Software Championship. In 2017 it again won the World Computer Chess Championship and also won the World Computer Blitz title. Komodo repeated as World Computer Blitz champion in 2018 and again won the World Computer Chess Championship and the World Chess Software Championship in 2019.
It is easy to play against Komodo on Chess.com! As mentioned, Komodo can play at different strengths and playstyles. Chess.com has recently released over 60 computer personalities and a new interface to play versus the computer! All you have to do is go to Chess.com/play/computer or hover over the 'Play' option in the menu bar and select 'Computer':
After you select 'Computer,' you can choose the computer personality you want to play against! They can even converse with you in some situations.
Another method of playing Komodo on Chess.com is to go to Live Chess and select the 'vs Computer' option below the 'Play' button.
After selecting the 'Play' button, you are given many different personalities and playing strength options that range from around 700 all the way up to the Hikaru-bot and KomodoBoss!
After you select the bot you'd like to play, you select your preferred time control, whether you want the game rated or unrated, and your preferred color. Next, select the 'Play' button.
Your game against Komodo then starts automatically.
You now know what Komodo is, what it has accomplished, how to play against it on Chess.com, and more. Head over to Chess.com/CCC to watch Komodo and other top engines play at any time on any day!
macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. Get even more transparency around your privacy.
The following models are supported:
To see which model you have, click the Apple icon in your menu bar and choose About This Mac.
Before you upgrade, we recommend that you back up your Mac. If your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Big Sur. You’ll need the following:
Go to Software Update in System Preferences to find macOS Big Sur. Click Upgrade Now and follow the onscreen instructions.
If you’re running any release from macOS 10.13 to 10.9, you can upgrade to macOS Big Sur from the App Store. If you’re running Mountain Lion 10.8, you will need to upgrade to El Capitan 10.11 first.
If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Big Sur:
Requires a broadband internet connection and microphone (built-in or external).
Supported by the following Mac models:
Requires a microphone (built-in or external).
Requires a broadband internet connection.
Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Requires a FaceTime or iSight camera (built-in or external) or USB video class (UVC) camera.
Audio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
High dynamic range (HDR) video playback is supported by the following Mac models:
Dolby Atmos soundtrack playback is supported by the following Mac models:
Supported by the following Mac models:
Supported by all iPad models with Apple Pencil support:
Requires an iPhone or iPad that supports iOS 12 or later.
Requires an iPhone with iOS 13 or later or an iPad with iPadOS 13 or later.
Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 8 or later.
Requires an iPhone or iPad with cellular connectivity, a Lightning connector or USB-C, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 10 or later.
Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13 or later.
Requires a MacBook Pro or MacBook Air with Touch ID, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Requires an iPhone with iOS 8 or later and an activated carrier plan.
Requires an iPhone with iOS 8.1 or later and an activated carrier plan.
Requires an iPhone with iOS 12 or later and a configured Home app.
AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 7 or later.
AirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Requires an external storage device (sold separately).
Requires an iPhone with iOS 14 and a compatible electric vehicle.
Requires an iPhone running iOS 14 or an iPad running iPadOS 14.
Allows Boot Camp installations of Windows 10 on supported Mac models.
Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.
Supports OS X 10.7 or later and Windows 7 or later.
Available only to persons age 13 or older in the U.S. and many other countries and regions.
The improved Retouch tool is supported on the following Mac models: