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Nov-25-12 | | morfishine: Material even, White to move. White is threatening to break up Black's
pawns with <23.Bxa6>. Black is ready to play <f6> chasing the
White Knight or <Ne6> planning <Nc7> - <Nb5> I really only see 1 candidate: 23.Bxa6
<23.Bxa6> A natural sacrifice that also vacates d3: While a Knight on e5
is great, a Knight on c5 is deadly
<23...c5> After 23...bxa6 24.Nd3 c5 25.Qxa6 Qb7 26.Rb3 White wins; or 23...bxa6 24.Nd3 Ne6 25.Qxa6 Qxa3 26.Qxa3 Rd8 27.Nc5 Nxc5
28.Qxc5 and Black is strategically lost
or 23...bxa6 24.Nd3 Qc7 25.Nc5
or 23...bxa6 24.Nd3 c5 25.Bb5 Bxb5 26.Qxb5 c4 27.Nc5
<24.Bb5> With an open a-file and a pawn to the good, White is winning <24...Bxb5 25.Qxb5 Ne6> Fighting for c5 <26.Rc1> Fixing Black's c-pawn <26...Qe8> If 26...cxd4 27.Rxc8+ Kxc8 28.Ra8+ followed by 29.Rxh8 <27.Qb6> Threatening 28.Qd6+ **********
At this point, I ran out of gas, so decided to check the solution. I'm surprised
Black didn't try 23...c5
 click for larger view |
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Nov-25-12 | | fokers13: 25.Rb3 followed by Rb7 and Rxf7 retains a winning advantage. Not too terrible for a sunday,though it was easier than most. |
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Nov-25-12 | | vinidivici: Excuse me for correction in my post above...
<I consider all the threats and got nothing else than Bxa6. The threat 23...c5 white has 25.Bb5.> White has <25.Bb5> should 24.Bb5 |
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Nov-25-12 | | whiteshark: No secret opening surprise (S.O.S.) here. |
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Nov-25-12 | | James D Flynn: Material is equal but Whites Q, R, and B are lined up against the Black Ks pawn cover and his N controls the important escape square d7. My first thought is the obvious 23.Bxa6 f6(if bxa6(if c5 24.Bb5 Bxb5 25.Qxb5 c4 26.Nd7+ Kc7 27.Nb6 and the threat OF Nd5+ wins more material)) 24.Qxa6 Kc7 25.Qa5+ Kd6 (if Kb8 26.Rb3+ Qb7 27.Rxb7+ Kxb7 28.Rc1 Ra8 29.Qb4+ Kc7 30.Qe7+ Kc8 31.Nxc6 )26.Qc5+ Kc7 27.Qxe7+ Kb6 28.Qa7+ Kb5 29.Rb3#) 24.Bxb7 Qxb7 25.Rb3 fxe5 26.Rxb7+ Kxb7 30.Qb4+ Ka8(Kc7 or Ka7 allow Qe7+ and the N on g7 falls)31.Rc1 Rb8 32.Qe7 Rg8 33.Rc3 and the threat of Ra3# is decisive. |
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Nov-25-12 | | morfishine: BTW: RIP Lembit Oll |
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Nov-25-12 | | waustad: As usual for a Sunday, I saw the start but didn't make it to the depth that I could say I got it. |
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Nov-25-12
 | | chrisowen: Longer ago dynamo for one dig in almost at I'd 23.Bxa6 bxa6 if instead c5 time for no vacancy in energy you little ripper it is worth in while go build dam in also 24.bb5 and thane in d7 should be enough to win him c5 c4 doesnt stop white catching king baba-the elephant can defend a d8 although rook dutifuls in b3 and b5 thin picking ha backer mitigate in green gauge la bonk in good game a culpa c4 length in dilemma again a real trickser 6a keys 24.Qxa6 Kc7 in jocular it down in digested white has right in chasing him all the way it be in betel 25.qa5+ nut a kava king in diagram it learn in level peppering from all sides kingd6,
 click for larger viewBine the wood e4! This opens up all avenues and black is in clay it shoot all for pieces cone king off hastle in e6 then clink to earthen 27.exd5 Nxd4 28.nc4+ board is swept clean together d4 immaterail one could effect rooks cage bearing signs of the times strong in either d8 b4 you shine in c4 re3 dibble in pour upon yonder hill in sight rooks ar ignoble in fashioning light victory a pc6xd5 sealed king in balustrade the fast tend to his needs a much in ado it drill in 27.e6xd4 28.nc4+ changing eventual come back in 7d, queena7 will pick up the knight in low again jovial a mood gunning for rookh8 at enact in almost done afraid in body it 20...bd7 wasnt up to scratch in he ra3, tick in queen administer a6 a7 death king blow a d8 in betcha have nd4... |
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Nov-25-12 | | Patriot: I considered the game moves, but 26.e4 wasn't even on my radar. |
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Nov-25-12 | | agb2002: The material is identical.
Black is about to play 23... c5 and 24... c4, closing momentarily the a6-f1 diagonal. The obvious move is 23.Bxa6:
A) 23... bxa6 24.Qxa6 Kc7 (24... Qb7 25.Rb3 + -) 25.Rc1 A.1) 25... Qd6 26.Qa5+ and mate in two.
A.2) 25... Kd6 26.Qxc8 + -.
A.3) 25... Kd8 26.Rxc6 Bxc6 27.Nxc6+ Rxc6 28.Qxc6 and the threat 29.Ra8+ looks decisive. B) 23... c5 24.Bb5 Bxb5 25.Qxb5 and White has won a pawn and keeps attack chances. |
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Nov-25-12
 | | Jimfromprovidence: I stared at the board for quite a long time trying to figure out the purpose of 26 e4. click for larger view It looks like white wants to play Qc5+, but if 26 Qc5+ comes first, then 26...Ke6 and white's chance has come and gone.
 click for larger view 26 e4 prevents 26...Ke6, because of 27 exd5+ cxd5 28 Qa6+ Qd6 29 Qxc8+.  click for larger viewIf 26 e4 Kf6, then 27 g5+.
These are just two examples using 26..Ke6, but there seems to be numerous variations to consider after 26 e4. |
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Nov-25-12 | | gars: <LTJ>, I wait eagerly for your analysis! |
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Nov-26-12 | | Abdel Irada: Under the title "The Case of the Magnetic Pawn," I have written out a partial solution. However, upon examination of the game, I find that my solution is not correct. My key move (23. Bxa6!) is accurate enough, but after 23. ...bxa6 (Black having no other means of refuting the sacrifice that I could find), 24. Qxa6, Kc7, I continued with 25. Rb3 (intending Rb7) rather than 25. Qa5†. Sundays being busy days for me, I never conclusively examined all of Black's possible responses to this, and he may escape with 25. ...Qe6 or even 25. ...Qh4, although I did dispose of such tries as 25. ...Kd8, 25. ...Bd7?, 25. ...Rb8? and 25. ...Qd8. If asked to do so, I will complete and publish my analysis anyway, but for the moment, I will assume I have merely found the wrong follow-up. |
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Nov-26-12 | | sushijunkie: I got Sunday! I got Sunday! For the first time in a while. You can suck it, "me" of last week! "Me" of this week will give you pawn & move odds! |
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Nov-26-12
 | | perfidious: < sushijunkie: ....You can suck it, "me" of last week!....> Or not. |
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Nov-26-12 | | sushijunkie: What, <perfidious>? You don't like me talking trash to myself? Believe me, the other guy can handle it. ;) |
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Mar-30-24
 | | al wazir: 27...Nxd4 was a losing move. After 27...cxd5 28. Qb6+ Bc6 29. Ra6 Nd8, black is holding on by the skin of his teeth. |
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Mar-30-24
 | | Korora: *sigh* I had the wrong ♙ captured. |
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Mar-30-24 | | King.Arthur.Brazil: I haven't be luck in the last days... 23. Bxa6 bxa6 24. Qxa6 seems promising due to the threat: . Rb3+ but I didn't find a winning line after this. The king felt a little without north today. |
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Mar-30-24 | | mel gibson: The first ply was not too hard.
Stockfish 16 says:
23. Bxa6
(23. Bxa6 (1.Bxa6 f6 2.Bxb7 Qxb7 3.Rb3 fxe5 4.Rxb7+ Kxb7 5.Qb4+ Ka8 6.Qe7 Rh2 7.Qxg7 exd4 8.Qxd4 Rh7 9.Rc1
g5 10.Qf6 Ra7 11.Qd6 Bd7 12.f3 Rh8 13.Qf6 Rb8 14.b3 Be8 )
+5.82/47 445)
score for White +5.82 depth 47.
When Black resigns it's mate in 19.
29. Qa7+ Kd8
(1. ... Kd8 2.Qb6+ Qc7 3.Qxd4 cxd5 4.Re1 Qc6 5.Qxh8 dxc4 6.Ra7 Rc7 7.Ra8+ Rc8 8.Rxe8+ Qxe8 9.Rxc8+ Kxc8 10.Qxe8+ Kc7
11.Qxf7+ Kd6 12.Qxg6+ Kd5 13.g5 Ke5 14.Qf6+ Ke4 15.g6 Kd3 16.g7 Ke2 17.g8Q
Kf1 18.Qc3 Ke2 19.Qg2 Kd1 20.Qgf3+) -M19/56 215
White wins_ mate in 19. |
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Mar-30-24 | | FM David H. Levin: <<al wazir>: 27...Nxd4 was a losing move. After 27...cxd5 28. Qb6+ Bc6 29. Ra6 Nd8, black is holding on by the skin of his teeth.> After 27...cxd5, 28. Qb4+ seems decisive. |
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Mar-30-24
 | | An Englishman: Good Evening: Complicated line with a lot of variations. Would not surprise me if Oll did not see the entire game line and even found the key 26th move over the board. |
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Mar-30-24
 | | chrisowen: I quark flip dj u c v Bxa6 abracadabra mib ae its o its aob jab cc affable pat buck wit a cuff muff Bxa6 cc; |
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Mar-30-24 | | Messiah: Not a good puzzle. |
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Mar-31-24
 | | al wazir: <FM David H. Levin: After 27...cxd5, 28. Qb4+ seems decisive.> Yes, it seems so. Thanks. |
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