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Only for donors added: 64 chess engines and book

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Only for sponsors added:
64 chess engines (folder: ChessEnginesFree):
Aristides 220617, asmFishW 2017-06-28, asmFishW 2017-07-04, Bagatur 1.5b, Bagatur 1.5c, baislicka 1.0, Belofte 0.9.0, cfish 2017-06-19, chess22k 1.4, ChessbrainVB V3_31., CHRISTINE T, CorChess 1.6_050717, Counter 2.0.1, Counter 2.0, ct800 v1.11, Dimitri 3.11, dragontooth 0.2 bahamut, Dumb, ECE X3, Embla 0.9.91, Ethereal 8.19, MadChess 2.2, marvin 2.1, mateFish 2017-07-04, McBrain 2.6, McBrain 2017 v2.5b, MonochromeTM, Napoleon 1.8, nemorino 3.00, NGplay 9.87b, ProDeo 2.4, Ranomi 170614, Raubfisch X35b, Roc 0.8, Ruydos 01.07.2017, Ruydos 2017.06.26, ruydos 20170613, SF 15062017, SF060717MZ, stockfish 17061704, stockfish 17061704_Brian Sheppard, stockfish 17061704_costalba, stockfish 17061704_savard, stockfish 17061704_snicolet, stockfish 17062122, stockfish 17062122_Kiiski, stockfish 17062122_voyager, stockfish 17062123, stockfish 17062123_Voyager, stockfish 17062901, stockfish 17062902, stockfish 17062902_mstembera, stockfish 17062902_VandeVondele, stockfish 17070306, stockfish 17070307, stockfish 17070307b, stockfish 17070307c, stockfish 17070823, SugaR XPrO 1.0e, ThinksFish 1.02 32-64, WyldChess 1.51, Zevra v1.5 r446.

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