Sony PlayStation, Check Mate en Checkmate 2. https://en.wikipedia.org/wiki/PlayStation_(console) The PlayStation (officially abbreviated to PS, and commonly known as the PS1 or its codename, PSX) is a home video game console developed and marketed by Sony Computer Entertainment. The console was released on 3 December 1994 in Japan, 9 September 1995 in North America, 29 September 1995 in Europe. The console was the first of the PlayStation lineup of home video game consoles. It primarily competed with the Nintendo 64 and the Sega Saturn as part of the fifth generation of video game consoles. The PlayStation is the first "computer entertainment platform" to ship 100 million units, which it had reached 9 years and 6 months after its initial launch. In July 2000, a redesigned, slim version called the PS one was released, replacing the original grey console and named appropriately to avoid confusion with its successor, the PlayStation 2. The smaller and redesigned PS one unit. Developer Sony Computer Entertainment Manufacturer Sony Product family PlayStation Type Home video game console Generation Fifth generation PlayStation Release date PS one EU: 29 September 2000 Retail 1994–2006 availability Discontinued 23 March 2006 Units sold 102.49 million Media CD-ROM CPU R3000 @ 33.8688 MHz Memory 2 MB RAM, 1 MB VRAM Storage Memory card Sound 16-bit, 24 channel ADPCM Controller PlayStation Controller, Dual input Analog Controller, DualShock Connectivity PlayStation Link Cable Best-selling Gran Turismo, 10.85 million . game shipped Successor PlayStation 2 Check Mate (2000): Description Dozens of different options and visual guides make Check Mate the perfect way to improve your game. Choose from a range of difficulty settings as you attempt to beat the computer, or checkmate a friend in the two-player mode. No further details known. https://www.youtube.com/watch?v=wUpYBLL-jVU Checkmate II (2003) https://www.gamespot.com/checkmate-ii/reviews/ User Rating: 1 | Checkmate PS By calx3 | Review Date: June 1, 2008 No further details known. THIS GAME IS EVEN WORSE THAN THE WORST GAME IN THE WORLD. IT WAS A WASTE OF MY MONEY AND THE OTHER PEOPLE WHO BOUGH THIS TERRIBLE GAME. ALL you DO IS PLAY CHESS AND you CAN'T WIN NEVER IN A MILLLLLION YEARS. IF YOU BUY THIS GAME I WILL HUNT YOU DOWN BUY A CHESS GAME LIKE THIS. ITS EVEN WORSE THAN THE FIRST POKEMON GAME MADE. CHECKMATE IS WHAT IT IS CALLED MEANING YOU NEVER EVER WIN. CHECKMATE IS ALLWAYS THE ANSWER TO THE PLAYSTATIONS PROBLEMS. IT DOESNT EVEN KNOW HOW TO PLAY THE GAME. THIS GAME SHOULD BE RANK BECAUSE ITS THE WORST EVER EVER EVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I GOT THIS GAME OUT A CHARITY SHOP AND I STILL WONDER TODAY WHY IT WAS THERE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! https://www.video-games-museum.com/en/game/Checkmate-II/31/2/37491/videos .