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Later Kibitzing> |
| Nov-26-20 | | newzild: I had the wrong move order - my main line started 28. Nxf7 Kxf7 29. f6. |
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| Nov-26-20 | | Walter Glattke: 28.f6? Bd6!? 29.Rxd6 Qc7 30.Rxd7 Rxd7 31.Bg3 28.f6? Bf8 / 28.Nxf7 Kxf7 29.f6 Bxf6 30.Qh7+ Kf8 31.Rxe8+ Rxe8 32.Rd6 my line. |
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| Nov-26-20 | | stacase: I got the first two moves & baked two pumpkin pies a few hours ago. Check out:
https://apod.nasa.gov/apod/ap201126...
for your Thanksgiving holiday enjoyment (-: |
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| Nov-26-20 | | Messiah: Not the easiest puzzle ever, and I think there are multiple variations for White, but currently I cannot present a proof for this claim. Must analyze later. |
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| Nov-26-20 | | Brenin: 28 f6 was not hard to find, as the alternatives, such as 28 Nxf7, don't quite work. (The steady build-up with 28 Ng3 is too steady for a POTD.). I expected Black to accept the loss of a piece for a P with 28 ... Bxf6 29 Nxd7 Nxd7 (29 ... Rxd7 30 Rxe8+, 29 ... Rxe1 30 Nxb6+, or 29 ... Qc7+ 30 Bg3) 30 Rxe8+ Rxe8 31 Rxd7. This seems to be the least damaging of his responses. |
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Nov-26-20
 | | scormus: Complicated. I got every move except the first (I thought 28 Nxf7) then all the others "right". But I'm not sure if all the ones played were the best. I'm not having a good week. |
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| Nov-26-20 | | Brenin: 28 Nxf7 Kxf7 29 f6 is tempting, but after 29 ... Rh8+ 30 Kg1 Bxf6 White is a piece down with no significant attack to compensate for it. |
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| Nov-26-20 | | agb2002: The white rooks x-ray Black's. This suggests 28.f6: A) 28... Bxf6 29.Nxd7
A.1) 29... Nxd7 30.Rxe8+ Rxe8 31.Rxd7 + - [B vs p]. A.2) 29... Rxe1 30.Nxf6+ Kg7 31.Nh5+ Kh6 32.Rxd8 wins decisive material (32... Rxf1 33.Rh8#). A.3) 29... Rxd7 30.Rxe8+ wins.
B) 28... Bf8 29.Nxd7
B.1) 29... Nxd7 30.Rxe8 as in A.1.
B.2) 29... Rxe1 30.Nxf8
B.2.a) 30... Rd(e)xd1 31.Qh7+ Kxf8 32.Qh8#.
B.2.b) 30... Rxf8 31.Rxe1 + - [2B vs n].
B.2.c) 30... Kxf8 31.Bxe1 Qc7 32.Rxd8+ Qxd8 33.Qf5 + - [2B vs n]. B.3) 29... Rxd7 30.Rxe8 wins. |
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| Nov-26-20 | | morfishine: I figured <28.f6> opening the b1-h7 diagonal for White's Queen was the most menacing move |
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| Nov-26-20 | | RandomVisitor: 23...Nxe4 followed by 24...f5 arguably puts black back into the game:
click for larger viewStockfish_20112608_x64_modern: TB6
NNUE evaluation using nn-c3ca321c51c9.nnue enabled <58/78 53:59 +0.05 23...Nxe4 24.fxg6 f5> 25.Nh4 Nxf2 26.Qxf2 Bg7 27.Ne3 Nd4 28.Nd5 cxd5 29.Rxe8+ Rxe8 30.Rxd4 Qe1 31.Bxd5+ Kh8 32.Rd2 Bh6 33.Qxe1 Rxe1 |
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| Nov-26-20 | | Cellist: I considered 28. f6 but did not see how it works. I rejected 28. Nxf7 and went for 28. Ng6, expecting fxg6 and then 29. Rxe7 Rxe7 30. f6 with Qxg6+ following, but this looses to 30. ... Rh7+. Seems a bit hard for a Thursday. |
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| Nov-26-20 | | WorstPlayerEver: Pretty hard to calculate, with all those pieces: 4 minutes. But to my surprise SF had the same variation. 28. f6 Bxf6 29. Nxd7 Nxd7 30. Rxe8+ Rxe8 31. Rxd7 |
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| Nov-26-20 | | WorstPlayerEver: 28. f6 Bf8 29. Nxd7 Rxe1 30. Nxf8
click for larger viewSo yeah, I had to wreck my brain here, but I'm probably not the only one. My intuition said Nxf8 and I stopped wrecking in turbo mode, because a Thursday puzzle can't be that hard, aye? Btw, I sensed some psychological warfare going on from CG :) |
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| Nov-26-20 | | saturn2: After 28. f6 Bf8 I liked 29. Re3 threatening Rh3 and Qh7 mate |
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| Nov-26-20 | | johnnydeep: (my first post as a rank amateur)
What the heck was black thinking with 28... Bd6? It looks like he's just giving his bishop away for nothing. |
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| Nov-26-20 | | landshark: I went with 28.f6 and was totally surprised by ..... Bd6(?!). I give it the mixed assessment for its surprise value - OTB there goes all my time spent in calculating more sensible replies, and I must be really careful not to <mess up> this <won position> now.
I followed the game thru move 30 and then played 31.Bxe4 which SF actually prefers to 31.Rxe4 but..... really, it's kind of moot here because W is winning either way. |
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| Nov-26-20 | | Walter Glattke: 28.Nxf7 Kxf7 29.f6 Rh8+ 30.Kg1 Bxf6 31.Bg3 Bxg4 32.Rxd8 Bxd8 (32.-Rxd8 33.Qh7+) 33.Be5 |
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| Nov-26-20 | | Brenin: <Walter Glattke>: In your latest line, Black can play 32 ... Qxd8 or 33 ... Qxe1 34 Bxh8 Nd3 35 Qxd3 Bb6+ 36 Kh1 Qh4+ 37 Nh2 Qxh8, with a huge advantage in either case (B+P ahead). The sacrifice 28 Nxf7 simply doesn't work. |
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| Nov-26-20 | | Walter Glattke: 32.Rf1 the attack can always be continued, but I needed half an hour to find attack moves, but I think, there will be a parade at least, could defeat a chess pupil with threatenings Qf2 or Qh7, I was hanging too much on this line. |
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| Nov-26-20 | | saturn2: <johnnydeep: > After 28....Bd6 29 Rxd6 Qc7 black was hoping to exploit the fact that the rook on d6 can be pinned against the white king on h2 |
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Nov-26-20
 | | Breunor: Instinct told me 28 f6 was correct but I didn’t come close to seeing all of the variations. |
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| Nov-26-20 | | johnnydeep: <saturn2> I guess the attempted pin didn’t work too well. |
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Nov-26-20
 | | offramp: <An Englishman: ...It's all Zweischenzug <sp?>> It's actually Zhwischenzhoug (bound-move), masc. verb intrans. |
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| Nov-27-20 | | Brenin: <An Englishman>, <Offramp>: Zwischenzug, a train specially added to the timetable between two scheduled trains. |
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Jan-25-21
 | | naresb: very rich & instructive exchange after 27. Rad8. involve changing contacts, participants thereof, tactics, sacrifice, disruption of King's pawn shield, exposing the King, penetration, adavanced pawn, mating pattern. the real essence of the exchange is to determine the correct priority of the needs & find the right continuation. i didn't figured out it completely. need deeper investigation in this aspect of the Exchange. |
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Kibitzing
sac: 32.Re7+