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George Duke wrote on 2015-12-18 UTC
What is the value of Rhino, asks author Aronson 14 yrs ago? Is it 3.0 like Knight or under at 2.8 or over at 3.3? We want to estimate not have long trials, any more than Carlsen thinks for only a moment Knight 3.0 and Bishop 3.2, then just makes the best move. This Rhino is direct link from Gilman's current revision of Chapter 16 "Diverging Further" in December 2015 <a href="http://www.chessvariants.com/index/msdisplay.php?itemid=MSmanandbeast16:">Man&B</a>. The estimate below also ties in with Muller's current research on Amazon. <p>Betza and Cohen in 1970s Tutti Frutti probably had Centaur and Champion at what we have today, but overestimated Amazon. That 64-square T-F is the only one time Betza ever used RN and BN. Tutti-Frutti is concept CV hardly worth playing. He disliked the 400-year-old Carreran pieces as I do. Use of Archbishop/Chancellor, as Capa calls them 100 years ago, almost always cutely paired has finally plummeted the last decade, but most variantists still put them in top 20 for historical importance.<p> The piece-types that cry out for research on values are short-range, such as Rhino or otherwise moderate value Crooked Bishop, those worth mere 2.0 to 6.5 let's say. They include over 1000 p-ts Gilman has invented or named. His one fault, Charles never estimates values. Other short-range or weaker pieces needing values are Joyce's Bent Hero and Shaman and all those in Christine Bagley-Jones Short-Range Project.<p> So what is value of Rhino and what is the logic? 3.3 value since it reaches 12 squares not only Knight's eight. Though blockable, Rhino has mating number of 2 to Knight's 3. The Mating Number and Value interact, the former settling the latter when low value holds. And these are the pieces that make the best CVs.

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