Scratch Chess Engine – Game of Kings – Discuss Scratch https://scratch.mit.edu/discuss/topic/248984/?page=2
Make games, stories and interactive art with Scratch. (scratch.mit.edu)
repetitions: Example in FEN/PGN: r1b4r/1p3kpp/p2Bp3/4P3/2P5/P1n2N2/2P3PP/R1K2R2 b
