WORLD CHAMPIONSHIP IN COMPOSING FOR INDIVIDUALS (WCCI) 2013-2015 Eingesendete Retro-Aufgaben Alle eingesendeten Retro-Probleme, zusammengestellt mit Genehmigung des Turnierdirektors Dmitri Turewski -- herzlichen Dank dafür! Die einzelnen Einsendungen aller WCCI-Gruppen finden sich im Internet: http://www.wfcc.ch/competitions/composing/wcci-2013-15-entries/ Inhalt: Baibikov, Dmitrij 2 Baier, Silvio 12 Crisan, Vlaicu 18 Crusats, Joaquim 24 Dupont, Nicolas 30 Frolkin, Andrey 36 Grudzinski, Henryk 42 Grushko, Michael 48 Kozulya, Mikhail 54 Miloseski, Bosko 58 Novomesky, Daniel 62 Olin, Per 68 Packa, Ladislav 74 Pacurar, Cornel 80 Prentos, Kostas 86 Raican, Paul 90 Rosner, Eugene 96 Storisteanu, Adrian 102 Wenda, Klaus 108 http://www.thbrand.de/downloads/wcci2013-15_Retros.pdf WCCI 2013-2015 Einsendungen Retros Seite 1 1st problem
[email protected] __________________________________________ #1 Dmitrij Baibikov 7260, Phénix 252, 2015 (11+11) Last 60 single moves? Solution. Sides’ balances: White: 11 (on diagram) + 5 (captured: bPb×c×d, bPc7×d6×e5, bQb8×b7) = 16 Black: 11 (on diagram) + 5 (captured: wPa2×b3, wPd×c and three black officers are captured by wPs f2, g2, h2) = 16 Retro: 1...Qb8×Sb7# 2.Qh4-f2 (I. 2.Qg3-f2? f4-f3 3.Qg8-g3 f5-f4 4.g7-g8Q f7-f5 5.f6×Sg7 Se6-g7 6.f5-f6 Sd8-e6 7.Sa5-b7 Sb7-d8+ 8.Sc4-a5 h3-h2 9.Se3-c4 h4-h3 10.Sg4-e3 h5-h4 11.Sf6-g4 h6-h5 12.Sg8-f6 g3-g2 13.g7-g8S g4-g3 14.g6-g7 g5-g4 15.h5×Sg6 Sf4-g6 16.h4-h5 Sd3-f4 17.f4-f5 Se1-d3 18.f3-f4 Sc2-e1 19.f2-f3 Sa1-c2 20.h3-h4 a2-a1S 21.h2-h3 a3-a2 22.a2×R(S)b3 Ka4(c4)-b4 23.Sc4(a4)-b6+ and illegal check to white King from bRc6; II.