{"id":3929,"date":"2015-10-30T23:03:12","date_gmt":"2015-10-31T07:03:12","guid":{"rendered":"http:\/\/www.danamackenzie.com\/blog\/?p=3929"},"modified":"2015-10-30T23:03:12","modified_gmt":"2015-10-31T07:03:12","slug":"never-again","status":"publish","type":"post","link":"https:\/\/danamackenzie.com\/blog\/?p=3929","title":{"rendered":"Never Again!"},"content":{"rendered":"<p>Today I swear I played my last game ever against my computer. If you ever see me playing one again, you have my permission to come over and unplug my computer. I know that I&#8217;ve written several entries about &#8220;Matrix chess,&#8221; and I&#8217;ve enjoyed analyzing the complicated-as-hell positions that I get into against Shredder. But let&#8217;s face it, even in the best of times, playing against your computer is a really dubious training technique. It just isn&#8217;t the same as playing against humans.<\/p>\n<p>And in the worst of times&#8230; you get today.<\/p>\n<p>I sat down to play a couple games for fun against Shredder. But I lost the first. And I lost the second. No problem, I&#8217;ll just play one or two more so that I can finish on a positive note. But I lost the third and the fourth.<\/p>\n<p>Break for dinner and watching the World Series. Come back to my computer. Shredder is still open, inviting me to play. Sure, what the hell. I lose game five. I lose game six.<\/p>\n<p>Now I get into this spiraling downhill mental condition, where I start getting mad at the computer and then I really can&#8217;t think any more. I lose game seven. I lose game eight.<\/p>\n<p>Finally I grit my teeth and set the computer&#8217;s rating so low (2150) that I&#8217;m sure to\u00a0finally be competitive. And then comes the game that breaks my heart and my spirit. After some typical Shredder madness, we get to this position.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/danamackenzie.com\/blog\/wp-content\/uploads\/2015\/10\/last.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-3930\" alt=\"last\" src=\"https:\/\/danamackenzie.com\/blog\/wp-content\/uploads\/2015\/10\/last.jpg\" width=\"508\" height=\"508\" srcset=\"https:\/\/danamackenzie.com\/blog\/wp-content\/uploads\/2015\/10\/last.jpg 564w, https:\/\/danamackenzie.com\/blog\/wp-content\/uploads\/2015\/10\/last-150x150.jpg 150w, https:\/\/danamackenzie.com\/blog\/wp-content\/uploads\/2015\/10\/last-300x300.jpg 300w\" sizes=\"(max-width: 508px) 100vw, 508px\" \/><\/a><em>Position after 21. &#8230; Kh8. White to move.<\/em><\/p>\n<p>FEN: r3r2k\/pp3pbp\/3p1n2\/1qpP1P2\/8\/3PBN1P\/PP1Q2R1\/R5K1 w &#8211; &#8211; 0 22<\/p>\n<p>White is completely winning here. I&#8217;ll insert a little bit of space in case you want to think about what you would have done.<\/p>\n<p>(space)<\/p>\n<p>So I\u00a0 played the move 22. Bh6. And Shredder did something that it sometimes does, which I hate. It put up a screen that say, &#8220;I think that move is not so good. Are you sure you want to play it?&#8221; and gives me the option to take it back.<\/p>\n<p>This supposedly helpful feature completely messes with my head. Most of the time, probably at least 80 percent, that message is an indication that I&#8217;ve made a blunder or (less often, but sometimes) missed a crushing move and made a less effective one. As a matter of principle, one should never take back moves. But against the computer it&#8217;s hard to stick to principles, so in practice I often do take the move back, if I see what is wrong with it.<\/p>\n<p>So okay, I take its advice and take back the move 22. Bh6, curious about what the machine saw that I didn&#8217;t see. And then I saw it! Or I thought I did. I played <strong>22. Rxg7??<\/strong>, which looks like a killer because if he plays 22. &#8230; Kxg7 I have 23. Bh6+ Kh8 24. Qc3! Black has to give back the exchange with 24. &#8230; Re5, but even that doesn&#8217;t get him out of trouble, because of 25. Nxe5 de 26. Qxe5 Qb6 27. d6 and the pin on the f6 knight is just murderous.<\/p>\n<p>But 22. Rxg7 has a big flaw! Do you see what it is? The computer played<strong> 22. &#8230; Rxe3!<\/strong>, an amazing resource. The point is that after <strong>23. Qxe3<\/strong> (which I played) it has <strong>23. &#8230; Qxb2<\/strong>, which not only attacks the a1 rook, it also defends the knight on f6 so that &#8230; Kxg7 is threatened. I couldn&#8217;t figure out what to do here. After <strong>24. Rxf7 Qxa1+ 25. Qe1? Rg8+<\/strong> I was busted and resigned a few moves later.<\/p>\n<p>So then I went back to the diagrammed position to see what the computer thought I should have done on move 22. And the answer was (drum roll) <span style=\"color: #ff0000;\">22. Bh6!<\/span> The move that I originally played! Black has only two plausible defenses: <span style=\"color: #0000ff;\">22. &#8230; Nh5 23. Bxg7+ Nxg7 24. Qh6 Rg8 25. Ng5<\/span> and White threatens two different mates or <span style=\"color: #ff0000;\">22. &#8230; Rg8 23. Bxg7+ Rxg7 24. Rxg7 Kxg7 25. Qg5+<\/span> and White wins a piece (and defends b2!)<\/p>\n<p>None of this should have been too hard, but it was a blitz game and I missed <span style=\"color: #0000ff;\">25. Ng5<\/span> in the blue variation above.<\/p>\n<p>It was a perfect storm of everything that&#8217;s awful about playing the computer. First, the spiraling downhill, losing game after game. Second, the computer got inside my head with its stupid &#8220;Are you sure you want to play that move?&#8221;\u00a0Third, I didn&#8217;t have enough faith in my own analysis to stick with the move I wanted to play. That&#8217;s the worst thing. Instead of improving my chess, the machine is tearing apart my confidence and my grip on reality.<\/p>\n<p>Never again!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today I swear I played my last game ever against my computer. If you ever see me playing one again, you have my permission to come over and unplug my computer. I know that I&#8217;ve written several entries about &#8220;Matrix chess,&#8221; and I&#8217;ve enjoyed analyzing the complicated-as-hell positions that I get into against Shredder. But [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[11,16,171],"tags":[3384,89,1441,1245,3383],"class_list":["post-3929","post","type-post","status-publish","format-standard","hentry","category-games","category-positions","category-ruminations","tag-bad-decisions","tag-blunders","tag-computers","tag-shredder","tag-wasting-time"],"_links":{"self":[{"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/80"}],"replies":[{"embeddable":true,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3929"}],"version-history":[{"count":3,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3929\/revisions"}],"predecessor-version":[{"id":3933,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3929\/revisions\/3933"}],"wp:attachment":[{"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/danamackenzie.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}