Only for donors added: 33 chess engines

33 chess engines:
Bagatur 1.6a, Barbarossa 0.5, BrainFish 190130, BrainFish 190203, BrainFish 190208, CFish 030219, Cfish 170219, Corchess 3.0 110219, Counter 3.2, CT800 1.34, Dimitri 4.61, ECE-X 3.5, Frankwalter 2.3.2, Frankwalter 2.3.1, Frankwalter 2.3.3, Franky UCI 1.0, Laser 1.7, LeokomChess 0.4, Minic 0.37, Raubfisch X39e3c2_and_GTZ18e3c2, Raubfisch X39e3c1_and_GTZ18e3c1, Rubichess 1.3, Scorpio 2.90, SpaceDog 0.96.5, Sting sf 13, Sting sf 14, Stockfish 19020116, SugaR 1.6.1, Topple 0.3.5, Winter 0.4a, Winter 0.5, Xiphos 0.4.21, Xiphos 0.4.22.