David Paravyan vs Leandro Krysa (2020)

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David Paravyan vs Leandro Krysa
Gibraltar Masters (2020), La Caleta GIB, rd 5, Jan-25
Spanish Game: Morphy Defense. Classical Defense Deferred (C70) · 1-0

ANALYSIS [x]

FEN COPIED

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Jan-28-20		wtpy: This would be a good weekend puzzle starting at move 37 with white to move.

May-31-20		Breunor: Last move is Soltis’ puzzle today. Tuesday? Beautiful game by white all around, great attacking chess!

Sep-01-23		Brenin: White has the exchange for a P. His B is en prise, but Nxa4 takes another piece away from defending Black's K. The P defending e5 is pinned. Therefore 37 fxe5, and if Nxa4 then 38 exf6, with Re7 and f7 both threatened. Then 38 ... Qg8, threatening mate on g2, is answered with 39 Re2, with Qd4 and f7 to follow, e.g. 39 ... d3 40 Qd4 dxe2 41 f7+ Qg7 42 f8=Q mate.

Sep-01-23		FM David H. Levin: After 37.fxe5 Nxa4 38.exf6 Qg8, my calculation continued 39.Qg3 (Threatening 40.Re8.) 39...Qxg3 40.Re8+ Qg8 41.f7. click for larger view Only after typing the above text (excluding the FEN for the diagram, which I typed last) did I realize that Black can then try 41...Qf8 (Hoping for 42.Rxf8+ Kg7.), but then 42.f6 is decisive.

Sep-01-23		Schwartz: Trading queens at f6 led to a quick lone rook during analysis, supporting various plans one by one. Nxd3 couldn't work, especially with Qg3.

Sep-01-23		King.Arthur.Brazil: W can select the move 37. fxe5 Nxa4 38. exf6 Nc5 39. Re7 Qg8 40. Rg7... Better is 38... Qg8 directly, Qg8 39. g4 Nc5 40. Re7... I thought about 38. Qf6+, but B can resist with Kg8 after ♕ exchanges, my mistake. B could reply: 37... Ne4 38. Bc2 Ng5 39. exf6 Nf7 40. Qxd4 d6 41. Re7 Qg8 42. Be4 Bxe4 43. Qxe4 and W wins. Other way: 37. fxe5 Be4 38. Rxe4 Nxe4 39. Qxe4 Qe7 40. e6 dxe6 41. Qxe6 end.

Sep-01-23		mel gibson: Interesting puzzle - I didn't see it all properly. Stockfish 16 says: 37. fxe5 (37. fxe5 (f4xe5 Qd8-g8 Qh4xf6+ Qg8-g7 Ba4-d1 Bb7-e4 Qf6-d8+ Qg7-g8 Qd8xg8+ Kh8xg8 e5-e6 d7xe6 f5xe6 d4-d3 Kg1-f2 d3-d2 Re1-e2 Be4-g6 Kf2-e3 Nc5xe6 Re2xd2 Bg6-b1 a2-a3 Bb1-a2 Rd2-d5 a5-a4 Rd5-a5 ) +6.33/49 527) score for White +6.33 depth 49. As per the text - when Black is greedy and takes the Bishop on a4 it's mate in 10: 37. fxe5 Nxa4 38. exf6 (38. exf6 (e5xf6 Qd8-g8 Re1-e2 Na4-c5 Qh4xd4 Nc5-e6 f5xe6 h7-h5 f6-f7+ Kh8-h7 f7xg8Q+ Kh7xg8 e6xd7 Kg8-h7 d7-d8Q a5-a4 Qd4-h8+ Kh7-g6 Qd8-f6+) +M10/89 16) White wins _ mate in 10.

Sep-01-23		agb2002: White has a rook for a knight and a pawn. Black threatens Nxa4. The black queen is defenseless. This suggests 37.fxe5: A) 37... Nxa4 38.exf6 (38.e6 dxe6 39.fxe6 Qe7 40.Qxd4 Nc5 and Black seems to hold) A.1) 38... Qg8 39.Re2 A.1.a) 39... d3 40.Qxd4 Qf7 (40... dxe2 41.f7+ Qg7 42.f8=Q#) 41.Re8+ Qxe8 42.f7+ Qe5 43.Qxe5#. A.1.b) 39... Nc5 40.Qxd4 as above. A.2) 38... Nc5 39.f7 Qf8 (39... Qxh4 40.f8=Q#) 40.Qf6+ and mate next. B) 37... Qg8 38.Qxf6+ Qg7 39.Qd8+ Qg8 40.Qxg8+ Kxh8 41.Bd1 + - [R+P vs n]. C) 37... Kg7 38.exf6+ Qxf6 (38... Kg8 39.f7+; 38... Kf7 39.Qxh7+) 39.Re7+ wins decisive material.

Sep-01-23		Refused: white to move a4 is hanging, but it doesn'T really do much on the rim anyway. There's attacking potential on the black king. That pin of f6 is looking promising. So I want to capture something on e5. Rxe5 doesn't look like it's going anywhere. Thus 37.fxe5 a) 37...Qe7 doesn't work because the white queen is conveniently covering e1 38.exf6 is just dead b) 37...d3 38.Bd1 looks sufficient. Black's "attack" isn't going anywhere white has time for a stabilizing move. 39...Qg8 39.Qxf6+ Qg7 40.Qd8+ Qg8 41.Qxg8+ (I prefer the King on g8 to it being on g7 as a matter of principle, altho it probably makes 0 difference here) c) 37...Qg8 38.Qxf6+ is pretty much the same as line b) d) 37...Nxa4 simply cannot work 38.exf6 (threatening the f7 push) 38...Qg8 39.Re2 +- black is pretty much defenseless against the threat of 40.f7 Qxf7 41.Qd8+ Kg7 (Kg8 42.Re8) 42.Re7

Sep-01-23		chrisowen: I come jay with rules its fxe5 abluff frazzled its ghoul its a cig mug its hack ado its hunch its fxe5 dog;

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