The modern design KingCOMPETITION is a perfect chess computer for playing at home. It's built with the legendary "King" program by Johan de Koning.It's ideal for all ages and levels!Comfortable size 17.2" square board lights up to display each move that you play on a smooth pressure sensor technology. Play either classic chess or the popular Chess960 variant according to the official FIDE rules.Four adaptive game levels adjust to your abilities! On the entry level, even novices have fun playing the computer when it is easy to defeat. ELO levels give an estimate of your own rating.The King is stronger than the Chess Genius with an estimated 2450 ELO.With this chess computer you play like a king!The menu system can be set to comfort (easy) or expert mode to find your way around the extensive feature set.The brightness of LED move display lights can be adjusted perfectly to your needs.We've also reviewed theKing Performance in this blog post. Play Chess Online with Optional ChessLink Add-on Module Using the ChessLink and free apps, you can play online on LiChess and Chess.com. Play directly on the board against millions of people around the world! Your opponents moves are displayed with the LEDs on the board. Enjoy real gaming experience and concentration while playing online like never before. For professional tournaments, you can use the tornelo.com platform. Playing strength 2500 ELO (according to SSDF)Chess pieces includedYes, chess pieces with felt and weightsAdditional Pieces2 additional queens includedMagnetic PiecesNoPieces Compartmentbag for the storage of the game pieces includedMeasurements of chess board12.6 x 12.6 inchesSize per square1.57 x 1.57 inches (4cm)King's height2.83 inches (7.18 cm)HardwareChess board technologyPressure Sensor Board, Millennium HighSensity TechnologyIlluminated displayYes, multi-stage dimmable, can be switched off, 2.13 x 1.06 inchesProcessorARM Cortex M7, 300 MHz ProcessorCPU clock speedadjustable from 10 - 300 MHzRAM384 KBConnection to ChessLinkStandard Mini-Din cable, 4-pin, cable includedSoftwareProgramThe King, 2020 2.61/1.40AuthorJohan de KoningCurrent software2021Units languages7 (DE / GB / FR / NL / ES / IT / RU)Menu systemText-based / Graphical, all device languagesAble to upgradeYes, via USBPlay onlineNecessary accessoriesChessLink Modul M822Required AppChessLink App for Lichess; chess.com Android AppCompatible mobile devicesAndroid devices from Android 6.0 with Bluetooth BLE; iOS devices; Tornelo via Windows PCSupported serverslichess.org, chess.com, tornelo.comPower SupplyBatteries requiredNoPower Supply100 - 240V 50/60 Hz Input - 9V 1A OutputPower supply includedYes, with interchangeable heads for EU / UK / US / AUSMeasurements & WeightsMeasurements of product17.2 x 17.2 x 1.1 inchesLenght of ChessLink cable39.37 inchesProduct weight2.62 KGMeasurement of gift box17.7 x 19.7 x 2.9 cmModel number & age recommendationModel NumberM831Age recommended by manufacturer6 Years & UpManuals: Comfort; Advanced; Full (Complete); Quick Start Guide;.