{"id":651,"date":"2021-03-30T07:11:40","date_gmt":"2021-03-30T06:11:40","guid":{"rendered":"https:\/\/problemista.eu\/en\/?p=651"},"modified":"2021-07-13T08:02:22","modified_gmt":"2021-07-13T07:02:22","slug":"hannelius-theme","status":"publish","type":"post","link":"https:\/\/problemista.eu\/en\/2021\/03\/30\/hannelius-theme\/","title":{"rendered":"Hannelius theme"},"content":{"rendered":"<h3>Hannelius theme<\/h3>\n<p>The first try, with the threat &#8220;A&#8221;, is refuted by the &#8220;a&#8221; move. The second try with the threat &#8220;B&#8221; is refuted by the move &#8220;b&#8221;. In the next phase, usually the solution, a defence &#8220;a&#8221; is followed by mate &#8220;B&#8221; and mate &#8220;A&#8221; after &#8220;b&#8221;.<\/p>\n<p>Scheme of the theme:<br \/>1.X? ~ 2.A, 1&#8230;a!<br \/>1.Y? ~ 2.B, 1&#8230;b!<br \/>1.Z a 2.B, 1&#8230;b 2.A<\/p>\n<h3>ideal Hannelius<\/h3>\n<p>The Hannelius theme where in the first try there is a defense &#8220;b&#8221; followed by mate &#8220;C&#8221; and in the second try there is a defense &#8220;a&#8221; followed by mate &#8220;D&#8221;.<\/p>\n<p>Scheme of the theme:<br \/>1.X? ~ 2.A, 1&#8230;b 2.C, 1&#8230;a!<br \/>1.Y? ~ 2.B, 1&#8230;a 2.D, 1&#8230;b!<br \/>1.Z a 2.B, 1&#8230;b 2.A<\/p>\n<h3>cyclic Hannelius<\/h3>\n<p>Scheme of the theme:<br \/>1.X? ~ 2.A, 1&#8230;a!<br \/>1.Y? ~ 2.B, 1&#8230;b!<br \/>1.Z? ~ 2.C, 1&#8230;c!<br \/>1.K a 2.B, 1&#8230;b 2.C, 1&#8230;c 2.A<\/p>\n<h3>defence-based Hannelius<\/h3>\n<p>Scheme of the theme:<br \/>1.X ~ 2.A, 1&#8230;a 2.C<br \/>1.Y ~ 2.B, 1&#8230;b 2.D<br \/>1.Z a 2.B, 1&#8230;b 2.A<\/p>\n<p style=\"text-align: center;\">Chepizhny, Victor<br \/>Memorial D.Kanonik, Chervony girnik, 1992-93<br \/>2nd Prize<br \/>FIDE Album 1992-94<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6ac3ae89a7f16-1\" class=\"rpbchessboard-chessboard rpbchessboard-diagramAlignment-center\">\n\t<noscript>\n\t\t<div class=\"rpbchessboard-javascriptWarning\">\n\t\t\tYou must activate JavaScript to enhance chess diagram visualization.\t\t<\/div>\n\t<\/noscript>\n\t<div class=\"rpbchessboard-chessboardAnchor\"><\/div>\n\t<script type=\"text\/javascript\">\n\t\tjQuery(document).ready(function($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6ac3ae89a7f16-1\" + ' .rpbchessboard-chessboardAnchor';\n\t\t\tRPBChessboard.renderFEN($(selector), {\"position\":\"8\\\/1NK5\\\/8\\\/1p1kP1P1\\\/1R1pp3\\\/7B\\\/8\\\/4Q3 w - - 0 1\",\"squareSize\":32,\"coordinateVisible\":true,\"colorset\":\"original\",\"pieceset\":\"cburnett\"});\n\t\t});\n\t<\/script>\n<\/div>\n\n<p class=\"rpbchessboard-spacerAfter\"><\/p>\n\n<p style=\"text-align: center;\">mate in 2 moves<\/p>\n<p><!--nextpage--><\/p>\n<p style=\"text-align: center;\">Chepizhny, Victor<br \/>Memorial D.Kanonik, Chervony girnik, 1992-93<br \/>2nd Prize<br \/>FIDE Album 1992-94<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6ac3ae89a7f16-2\" class=\"rpbchessboard-chessboard rpbchessboard-diagramAlignment-center\">\n\t<noscript>\n\t\t<div class=\"rpbchessboard-javascriptWarning\">\n\t\t\tYou must activate JavaScript to enhance chess diagram visualization.\t\t<\/div>\n\t<\/noscript>\n\t<div class=\"rpbchessboard-chessboardAnchor\"><\/div>\n\t<script type=\"text\/javascript\">\n\t\tjQuery(document).ready(function($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6ac3ae89a7f16-2\" + ' .rpbchessboard-chessboardAnchor';\n\t\t\tRPBChessboard.renderFEN($(selector), {\"position\":\"8\\\/1NK5\\\/8\\\/1p1kP1P1\\\/1R1pp3\\\/7B\\\/8\\\/4Q3 w - - 0 1\",\"squareSize\":32,\"coordinateVisible\":true,\"colorset\":\"original\",\"pieceset\":\"cburnett\"});\n\t\t});\n\t<\/script>\n<\/div>\n\n<p class=\"rpbchessboard-spacerAfter\"><\/p>\n\n<p style=\"text-align: center;\">mate in 2 moves<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6ac3ae89a7f16-3\" class=\"rpbchessboard-chessgame\">\n\t<noscript>\n\t\t<div class=\"rpbchessboard-javascriptWarning\">\n\t\t\tYou must activate JavaScript to enhance chess game visualization.\t\t<\/div>\n\t<\/noscript>\n\t<div class=\"rpbchessboard-chessgameAnchor\"><\/div>\n\t<script type=\"text\/javascript\">\n\t\tjQuery(document).ready(function($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6ac3ae89a7f16-3\" + ' .rpbchessboard-chessgameAnchor';\n\t\t\tRPBChessboard.renderPGN($(selector), {\"pgn\":\"[FEN \\\"8\\\/1NK5\\\/8\\\/1p1kP1P1\\\/1R1pp3\\\/7B\\\/8\\\/4Q3 w - - 0 1\\\"]\\r\\n\\r\\n1. Qh4! \\r\\n\\r\\n(1. Qa1? -- \\r\\n\\r\\n(1... Kxe5! {(a)}) \\r\\n\\r\\n2. Qxd4# {(A)}) \\r\\n\\r\\n(1. Bf5? --\\r\\n\\r\\n(1... e3! {(b)}) \\r\\n\\r\\n2. Qxe4# {(B)}) \\r\\n\\r\\n(1. Nd6? -- \\r\\n\\r\\n(1... Kxe5 2. Qxe4#)\\r\\n\\r\\n(1... d3! {(c)}) \\r\\n\\r\\n2. Rxb5# {(C)}) \\r\\n\\r\\n1... Kxe5 {(a)} \\r\\n\\r\\n(1... e3 {(b)} 2. Qxd4# {(A)}) \\r\\n\\r\\n(1... d3 {(c)} 2. Qxe4# {(B)}) \\r\\n\\r\\n2. Rxb5# {(C)} *\",\"nboSquareSize\":32,\"idoSquareSize\":32,\"nboCoordinateVisible\":true,\"idoCoordinateVisible\":true,\"nboColorset\":\"original\",\"idoColorset\":\"original\",\"nboPieceset\":\"cburnett\",\"idoPieceset\":\"cburnett\",\"nboAnimated\":true,\"nboMoveArrowVisible\":true,\"nboMoveArrowColor\":\"b\",\"pieceSymbols\":\"native\",\"navigationBoard\":\"frame\",\"withFlipButton\":false,\"withDownloadButton\":false});\n\t\t});\n\t<\/script>\n<\/div>\n\n<p class=\"rpbchessboard-spacerAfter\"><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Hannelius theme The first try, with the threat &#8220;A&#8221;, is refuted by the &#8220;a&#8221; move. The second try with the threat &#8220;B&#8221; is refuted by the move &#8220;b&#8221;. In the next phase, usually the solution, a defence &#8220;a&#8221; is followed by mate &#8220;B&#8221; and mate &#8220;A&#8221; after &#8220;b&#8221;. Scheme of the theme:1.X? ~ 2.A, 1&#8230;a!1.Y? &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/problemista.eu\/en\/2021\/03\/30\/hannelius-theme\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Hannelius theme&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,15],"tags":[9,10,18,17],"class_list":["post-651","post","type-post","status-publish","format-standard","hentry","category-fide-albums","category-glossary","tag-chess-composition","tag-chess-problems","tag-glossary","tag-theme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hannelius theme - Problemista<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/problemista.eu\/en\/2021\/03\/30\/hannelius-theme\/\" \/>\n<link rel=\"next\" href=\"https:\/\/problemista.eu\/en\/2021\/03\/30\/hannelius-theme\/2\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hannelius theme - Problemista\" \/>\n<meta property=\"og:description\" content=\"Hannelius theme The first try, with the threat &#8220;A&#8221;, is refuted by the &#8220;a&#8221; move. The second try with the threat &#8220;B&#8221; is refuted by the move &#8220;b&#8221;. In the next phase, usually the solution, a defence &#8220;a&#8221; is followed by mate &#8220;B&#8221; and mate &#8220;A&#8221; after &#8220;b&#8221;. 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