{"id":508,"date":"2021-02-26T07:30:47","date_gmt":"2021-02-26T07:30:47","guid":{"rendered":"https:\/\/problemista.eu\/en\/?p=508"},"modified":"2021-11-23T14:46:49","modified_gmt":"2021-11-23T14:46:49","slug":"nowotny-interference","status":"publish","type":"post","link":"https:\/\/problemista.eu\/en\/2021\/02\/26\/nowotny-interference\/","title":{"rendered":"Nowotny interference"},"content":{"rendered":"<h1>Nowotny interference<\/h1>\n<p>An interference between line-pieces of unlike-motion and of the same color, forced by a sacrifice on the critical (interference) square.<\/p>\n<p><!--more--><\/p>\n<h2>English Nowotny<\/h2>\n<p>A Nowotny interference where one of the thematic pieces is a pinned black Queen.<\/p>\n<h2>Azerbaijan Nowotny<\/h2>\n<p>Combination of Finnish and Romanian Nowotny.<\/p>\n<h2>Finnish Nowotny<\/h2>\n<p>In the initial position there is a black piece B on the intersection square of black Rook and Bishop<br \/>\nlines. A thematic try by white piece W introduces a double threat which is defeated by removal of<br \/>\nthe black piece B which opens both black lines. White piece W corrects by capturing the black piece B, after which follows the normal Nowotny interference play.<\/p>\n<h2>Latvian Nowotny<\/h2>\n<p>In the initial position there is a white piece W on the cutting point. The key, made by another white piece, triggers the double threat and takes advantage of both interferences.\n<\/p>\n<h2>Romanian Nowotny<\/h2>\n<p>A Nowotny interference key threatens two mates due to the interference. Captures at the cutting point refute both threats but introduce new mates that take advantage of the interference.<\/p>\n<p style=\"text-align: center;\">Szwedowski, Leopold<br \/>\nProbleemblad 1959<br \/>2nd Prize<br \/>\nFIDE Album 1959-61<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6aa82e96a256a-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($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6aa82e96a256a-1\" + ' .rpbchessboard-chessboardAnchor';\n\t\t\tRPBChessboard.renderFEN($(selector), {\"position\":\"1Bn2bq1\\\/3B1p2\\\/K1QRrpp1\\\/2p2kp1\\\/p1R3N1\\\/r4n1P\\\/2b1P3\\\/8 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;\">Szwedowski, Leopold<br \/>\nProbleemblad 1959<br \/>2nd Prize<br \/>\nFIDE Album 1959-61<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6aa82e96a256a-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($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6aa82e96a256a-2\" + ' .rpbchessboard-chessboardAnchor';\n\t\t\tRPBChessboard.renderFEN($(selector), {\"position\":\"1Bn2bq1\\\/3B1p2\\\/K1QRrpp1\\\/2p2kp1\\\/p1R3N1\\\/r4n1P\\\/2b1P3\\\/8 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>1&#8230; Rd3 2. Qe4#<br \/>1&#8230; Bd3 2. Qxf3#<\/p>\n\n\n<p class=\"rpbchessboard-spacerBefore\"><\/p>\n\n<div id=\"rpbchessboard-6aa82e96a256a-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($) {\n\t\t\tvar selector = '#' + \"rpbchessboard-6aa82e96a256a-3\" + ' .rpbchessboard-chessgameAnchor';\n\t\t\tRPBChessboard.renderPGN($(selector), {\"pgn\":\"[FEN \\\"1Bn2bq1\\\/3B1p2\\\/K1QRrpp1\\\/2p2kp1\\\/p1R3N1\\\/r4n1P\\\/2b1P3\\\/8 w - - 0 1\\\"]\\r\\n\\r\\n1. Rd3! Nd6 \\r\\n\\r\\n(1... Rxd3 2. e4#) \\r\\n\\r\\n(1... Bxd3 2. Ne3#) \\r\\n\\r\\n(1... Bd6 2. Qe4#)\\r\\n\\r\\n2. Qxf3# *\",\"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<p>Themes: Rukhlis, Nowotnego and Grimshaw interference.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nowotny interference An interference between line-pieces of unlike-motion and of the same color, forced by a sacrifice on the critical (interference) square.<\/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":[9,10,17],"class_list":["post-508","post","type-post","status-publish","format-standard","hentry","category-fide-albums","category-glossary","tag-chess-composition","tag-chess-problems","tag-theme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.6.1 - 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