Problem p00123
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see solution

Technical Merit
Rating2290.1
RD40.1
To Play
Statereleased
 
Artistic Impression
Star Rating3.3
Stars
Votes50

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Star Ratings
DateTacticianRatingStars
2007-09-10 11:46:42Markusgoth2122
2008-05-25 07:40:15MathMan131458
2008-05-31 23:00:53AlexCn1641
2008-06-01 03:32:27JimM1274
2008-10-29 03:07:37trxG1551
2008-10-30 06:29:29TheKingIsBack1546
2008-11-18 02:52:43beydagh2020
2008-11-18 18:04:55Raeburn1612
2009-02-11 14:16:33drjohn1294
2009-07-02 20:55:47Karpsparov1528
2009-09-25 18:25:14MagicCat1695
2009-11-08 18:24:29rkrish9991451
2009-11-22 02:03:57gregarious1276
2010-02-03 02:40:00jzhang20001470
2010-04-11 12:53:53Koenigsjaeger1788
2010-04-11 23:18:52Abhishek1508
2010-04-28 10:52:13PoorLittleGuy1842
2010-07-03 12:47:26mart901408
2010-07-04 11:33:38ganasagar1265
2010-08-04 14:09:58GrahamInne1271
2010-09-11 21:13:15SeanC1202
2010-11-02 14:46:40Troll1744
2010-11-22 02:42:30AvovA1722
2010-12-19 16:32:51pablo721053
2011-01-05 08:37:41Taktikgenie1657
2011-01-20 15:43:31Misha981817
2011-01-22 19:50:09ggp9531380
2011-02-25 14:35:28MishaTheCat1828
2011-02-25 14:35:58timoure1587
2011-03-28 10:00:28goldenrule1932
2011-05-15 19:53:06Vicao1647
2011-06-23 00:49:22Nimzozo1781
2011-11-03 18:23:22Eivindd1826
2011-11-21 23:19:50RohanKrishnan1094
2011-11-22 23:26:05zzzzzzzzZhemin1377
2011-12-15 22:41:39shetranj1916
2012-01-08 06:10:51Ericyiii1316
2012-04-18 14:40:55amalcian782
2012-05-08 23:57:18julian10001072
2012-05-14 13:33:06tonifa1573
2012-05-25 20:40:21idalo20001763
2012-06-01 13:28:16tt20001757
2012-06-07 11:16:30shree1393
2012-06-29 19:46:32000011366
2012-09-20 16:10:14Laorans1020
2013-01-08 20:34:05jokanovic1520
2013-09-04 20:29:48Fkorosec1051
2013-10-15 00:27:03floreatdunum1700
2013-10-15 01:22:38chessisajedrez1747
2014-09-24 15:55:42Garryback1679

Comments
DateTacticianRatingComment
2008-10-30 06:29:29TheKingIsBack1546why Rb1? 
2009-02-11 14:16:33drjohn1294I love these.wresting certain victory's face right off your opponent! 
2009-11-08 18:24:29rkrish9991451? Fritz gives the result as winning for Black. Also recommends Qa8+ forcing Kf7 and then Qd5+ and capture the Bishop after that. 
2009-11-22 02:03:57gregarious1276After Rb1 Nh4+ Rxb7 Rxb7 Rf4 saves the rook and gets either the bishop or the knight...this is how it goes, right? 
2009-12-22 19:19:32chessidiot1016Black is still winning after this tho. 
2010-04-11 12:53:53Koenigsjaeger1788It was simple, but genial. 
2010-04-11 23:18:52Abhishek1508i may be low rated, but i kind of knew the answer because I got it on the first try. 
2010-07-03 12:47:26mart901408the best move is to resign... 
2010-11-22 02:42:30AvovA1722Rb1 still loses. 
2011-03-28 10:00:28goldenrule1932Rb1 because removing the bishop discovered check thread on b7 
2011-05-15 19:53:06Vicao1647so Rb1 is a great move because instead of terribly lost white is just normally lost?!? 
2011-09-08 03:43:04RohanKrishnan1094that is really hard 
2011-09-27 00:29:19RohanKrishnan1094easy 
2011-11-02 08:20:42manbear1297hahaha im only a 1200 and i solved it on meh first trie  
2011-11-21 23:19:50RohanKrishnan1094i solved it 
2011-12-15 22:41:39shetranj1916BAD! Why in the world would you want to play Rb1?  
2012-01-08 06:10:51Ericyiii1316such a amazing promble  
2013-10-15 00:25:55floreatdunum1700Vicao's comment says all that is needed really. 
2013-10-15 01:21:34chessisajedrez1747To have any redeeming value the problem must continue several more moves. Even then White is losing big in all lines. A literal exercise in futility. A one move choose-how-to-lose that amounts to nothing. 

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Crafty 19.19 3GHZ 5sec

1. ... Bb7
2. Rb1
({9:-2.53} 2. Rb1 gxf5 3. Rxb7 Rxb7 4. Qxg2+ Rg7 5. Qd5+ Kh8 6. Qxd4 Qxa2 7. c6 $19)
({9:-7.46} 2. Qxd4 Nf4+ 3. Kg1 Ne2+ 4. Kf2 Nxd4 5. Re5 Nf3 6. Re3 Rf8 7. Rb1 Qxa2+ $19)