Changes

The '''Raspberry Pi 4''', released in June 2019, comes with a 1.5 GHz, quad-core Cortex-A72 [[ARMv8]] CPU, up to 4GiB [[Memory#DDR4|DDR4 RAM]], [https://en.wikipedia.org/wiki/USB_3.0 USB 3] ports, [https://en.wikipedia.org/wiki/Gigabit_Ethernet Gigabit Ethernet], [https://en.wikipedia.org/wiki/IEEE_802.11n-2009 802.11ac] (2.4 / 5 GHz)[https://en.wikipedia.org/wiki/Wireless_LAN WLAN], [https://en.wikipedia.org/wiki/Bluetooth#Bluetooth_5 Bluetooth 5.0], dual micro [https://en.wikipedia.org/wiki/HDMI HDMI] ports, and a 500 MHz [https://en.wikipedia.org/wiki/VideoCore VideoCore VI] [[GPU]] <ref>[https://www.raspberrypi.org/products/raspberry-pi-4-model-b/ Raspberry Pi 4 Model B – Raspberry Pi]</ref>.

[[Lourenço Araujo de Oliveira Junior]] is working on a chess entitity for a Pi cluster dubbed [[Lourenço Araujo de Oliveira Junior#Jaguatirica|Jaguatirica]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=51927 Jaguatirica Chess Cluster - Phase I - 7 Nodes - 30 Photos] by [[Lourenço Araujo de Oliveira Junior]], [[CCC]], April 10, 2014</ref>.