Apr-25-15
 | | ChessCoachClark: Excellent, although simple, continuation puzzle that serves as practice for the Seventh Rank Mate (32. ... Kf8 33. Rc7 and so on). |
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May-22-24
 | | Korora: I was barking up the completely wrong tree. |
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May-22-24
 | | Breunor: Missed it. :-( |
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| May-22-24 | | spongebob2002: 31. Rxe8 Rxe8 32. Qxb7+ Kg6 33. Nb4 Qb2 34. Rc7 Rg8 35. Nxa6 Is this the correct continuation or anything wrong with it? |
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| May-22-24 | | stacase: Pretty much like yesterday's Rook sacrifice. While Black gets out of check, White's remaining Rook joins the party. |
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| May-22-24 | | saturn2: 31.Rxe8 gains a piece due to the fork Nb4.
Black cannit swindle 31...Qxb1 32.Rxe7 Kf8 33.RX
33.Rxb1Kxe7 is still a piece |
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| May-22-24 | | unferth: <31. Rxe8 Rxe8 32. Qxb7+ Kg6 33. Nb4 Qb2 34. Rc7 Rg8 35. Nxa6 Is this the correct continuation or anything wrong with it?> on 32...Kg6 I think 33 Rc7 immediately is quicker. if 33...Rg8 then 34 Rh7 looks decisive. |
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| May-22-24 | | mel gibson: I didn't see that.
Stockfish 16.1 says:
31. Rxe8
(31. Rxe8 (1.Rxe8 Rxe8 2.Rc7+ Kg8 3.Qxb7 Ra7 4.Rg7+ Kf8 5.Rf7+ Kg8 6.Qxa7 Qxa7
7.Rxa7 Rc8 8.Nc5 Rc6 9.Nd7 e5 10.dxe5 fxe5 11.Nxe5 Rc8 12.Rd7 d4 13.exd4
Rc2 14.Nf7 Kg7 ) +7.60/54 443)
score for White +7.60 depth 54. |
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May-22-24
 | | Teyss: Not too difficult when you spot you can combine two patterns: sac a piece where you can follow with a zwischenzug check (in this case 31...Qxb1 32.Rxe7+) and build a Q+R battery on the 7th rank (again with check). I was just wondering if Black declines the sac (e.g. 31...Rf7), does White just have the advantage of a Knight or is there a mating attack (32.Qxa2 Rxa2 33.Rcc8)? It appears the former is more likely. |
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May-22-24
 | | chrisowen: I q pun its web x jug c v its z Rxe8 its a bath its latch its hoh its a dig its nug its ahh its retch its Rxe8 eel; |
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| May-22-24 | | TheaN: This kind of plays itself, although that's mainly because RxN is the only sac in the position (if we consider Ne5 and Nf4 to be pointless). <31.Rxe8> the point is that after 31....Qxb1, White has 32.Rxe7+ as zwischenzug, 32....Kf8 33.Rxb1 Kxe7 34.Rxb7+ +- and the extra knight is a monster. After 31....Rf7 White doesn't even have to trade queens: 32.Qb5 +- and Black's getting demolished. If <31....Rxe8> though, surrendering the exchange for the seventh, it's the question of what major piece first. I played <32.Rc7+>, whilst a lot of players follow the game line with Qxb7+. If Black moves to the eight rank the lines transpose: Black has to surrender Ra6 to prevent mate, ie 32....Kh8 33.Qxb7/Rc7 Ra7 34.Qxa7 +-. Instead, if <32....Kg6>, Rc7+ shines over Qxb7+: in the latter White should spot 33.h4! +- #9. In the Rc7 line however:
click for larger view
<33.Ne5#/Nf4#>. Chess aesthetics. |
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May-22-24
 | | takebackok: Easy peasy Wednesday after 31. Rxe8 black's 7th rank weakness leads to at least piece up or lights out asap.
PS as a lifelong fan of WCC RJF my sincerest respect for GM Pal Charles Benko |
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| May-22-24 | | unferth: <TheaN: Instead, if <32....Kg6>, Rc7+ shines over Qxb7+: in the latter White should spot 33.h4! +- #9> is there a quick mate after 33 h4 h5? if so, I'm not spotting it. 33 Rc7 Rg8 34 Rh7 looks to force 34...Ra7 Qxa7 35 Qxa7 Rxa7, with a trivial win. |
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| May-22-24 | | Lloyd Gross: 31.Rxe8 Rxe8 32.Rc7+ Kg6 33.h4 gxh4 34. Ne5+ Kg5 35.Qg6# |
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| May-22-24 | | Lloyd Gross: Also there’s a quick mate 32.Rc7+ Kg6 33.h4 Qxb1 34. h5# |
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| May-22-24 | | TheBish: <Lloyd Gross: Also there's a quick mate 32.Rc7+ Kg6 33.h4 Qxb1 34.h5#> 32. Rc7+ Kg6 33. Ne5/Nf4#. Always check for double checks, they are powerful! In this case mate on the spot. No need for pawn moves here. |
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| May-23-24 | | Lloyd Gross: Thanks, TheBish: <32. Rc7+ Kg6 33. Ne5/Nf4#. Always check for double checks, they are powerful!>
Nice. |
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| Jun-04-24 | | TheaN: <unferth: <TheaN: Instead, if <32....Kg6>, Rc7+ shines over Qxb7+: in the latter White should spot 33.h4! +- #9> is there a quick mate after 33 h4 h5? if so, I'm not spotting it. 33 Rc7 Rg8 34 Rh7 looks to force 34...Ra7 Qxa7 35 Qxa7 Rxa7, with a trivial win.> Bit late but anyway... yes, there is after 33....h5 34.Qd7, basically threatening both Qxe8+ and Rc7. If White gets Rc7 in with the Queen in front, Black can't prevent both Qg7# or Qh7#. Only some desperado moves extend the game. |
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| Jun-05-24 | | TheaN: And well, you may be right about it being a somewhat difficult line as there are some nuances. Interesting though. Immediately 33.Qd7? allows 33....Qa4! ⩱ and Black's slightly better. After 33.h4 h5 34.Qd7! this is different, as 34....Qa4 now gives up the pin on Pf2 allowing 35.gxh5+! Kf5 (Kh6 36.Qf7! #4) 36.Qh7+ Kg4 37.f3+ Kxh4 38.Rh1#. |
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| Jul-17-24 | | unferth: ah--and thank you, a bit late. I believe I'd have made white prove a bit more of that. |
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Kibitzing
sac: 31.Rxe8
