Fortress chess
Fortress chess (also known as Russian Four-Handed chess) is a four-player chess variant played in Russia in the 18th and 19th centuries. The board contains 192 squares including the fortresses at its corners.
Fortress chess (also known as Russian Four-Handed chess) is a four-player chess variant played in Russia in the 18th and 19th centuries. The board contains 192 squares including the fortresses at its corners.
Fortress chess (also known as Russian Four-Handed chess) is a four-player chess variant played in Russia in the 18th and 19th centuries. The board contains 192 squares including the fortresses at its corners.
Source: Wikipedia "Fortress chess" · CC BY-SA 4.0
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