Lawb 35% Tawm
Checkmate nyob rau hauv ob qho kev txav Chess puzzles workbook: Chess for Beginners, Chess Tactics Workbook, puzzles with answers May 12, 2013 · Xyoo 1979, Asimov sau Isaac Asimov Phau Ntawv Tseeb. Ntawm nplooj 68, nws hais tias, "Tus naj npawb ntawm txoj hauv kev ua si tsuas yog thawj plaub qhov txav ntawm txhua sab hauv kev ua si ntawm chess yog 318,979,564,000."
Txais Qhov Code