Publisher's copyright statement: This is the peer reviewed version of the following article: Gladstone, J.C., Roberts, T.P. and Done, C. (2011), Unlocking the nature of ultraluminous X-ray sources using their X-ray spectra. Astronomische Nachrichten, 332 (4): 345 348, which has been published in nal form at http://dx.doi.org/10.1002/asna.201011496. This article may be used for non-commercial pu...

This is a report on the data-mining of two chess databases, the objective being to compare their sub-7-man content with perfect play as documented in Nalimov endgame tables. Van der Heijden’s ENDGAME STUDY DATABASE IV is a definitive collection of 76,132 studies in which White should have an essentially unique route to the stipulated goal. Chessbase’s BIG DATABASE 2010 holds some 4.5 million ga...

a Department of Chemistry & Biochemistry and Materials Science Institute, University of Oregon, Eugene, Oregon, USA 97403-1253. E-mail: [email protected]; Fax: +1-541-346-4643; Tel: +1-541-346-1695 b CAMCOR – Center for Advanced Materials Characterization in Oregon, University of Oregon, Eugene, OR 97403-1443, USA c Department of Chemistry, Earlham College, Richmond, IN 47374-4095 d Supramolecula...