Evgeny Gleizerov vs Michal Krasenkow (2016)

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Evgeny Gleizerov vs Michal Krasenkow
Groningen Open (2016), Groningen NED, rd 9, Dec-30
Queen's Gambit Declined: General (D30) · 0-1

ANALYSIS [x]

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< Earlier Kibitzing · PAGE 1 OF 3 · Later Kibitzing>
Jun-26-18		PhilFeeley: 34...Qa3 jumps right out. Good one.

Jun-26-18		Phony Benoni: Not totally obvious, since after 34. ..Qa3 (for 35.bxa3 b2#) White can try 35.Re8. But after 35...Kf7 36.Qf5+ Kxe8 White doesn't have much left.

Jun-26-18		Penguincw: I missed yesterday's puzzle by looking at the wrong side. Today, I made sure to look at the correct side. But that didn't help. Normally as soon as I miss a puzzle in a week I leave 'til next Monday, so I shouldn't even be here today. Tried too hard to make stuff like 34...bxa2, Rxb2, Qb4+, etc. work. Quiet moves are always the hardest to see. Good job by black avoiding that one last trick by white. 0/2 this week.

Jun-26-18		ChessHigherCat: 35...Qa3 jumps right out but what about 36. Re8? I think it may be this instead, although it's a bit complicated for a Tuesday: 34...a3 35. axb3 axb2+ 36. Kxb2 Ra8 37. b4 Qxb4+ 38. Qb3 Qxb3+ 39. Kxb3 Rb8+ 40. Ka2 Ra7#

Jun-26-18		ChessHigherCat: No, you're right Qa3 is okay because if 36. Re8+ Kf7 and black can't prevent Qxb2#

Jun-26-18		ChessHigherCat: Aha, that was the game line!

Jun-26-18		siggemannen: Kinda hard for a tuesday but once you see Kf7, it all comes together

Jun-26-18		stst: Just like another Monday!! Q-sac will do it: 34..........Qa3 35.bxQ (what else? any other... Qxa2#) b2+ and fork and #.

Jun-26-18		lost in space: What <PB> said

Jun-26-18		ChessHigherCat: 34...a3 35. axb3 axb2+ 36. Kxb2 Ra8 37. Rxc2 (37. Ra1 Rxa1 38. Kxa1 Qa3#) Qa3+ 38. Kb1 Qa1#

Jun-26-18		zb2cr: 34. ... Qa3! is the killer move. Black threatens mate by ... Qxa2#, and White has no way of eliminating the threat except by 35. bxa3, when the final point is revealed with 35. ... b2#. White can check but can't keep on checking, e.g. 35. Re8+, Kef7; 36. Qf5+, Kxe8 as pointed out by <Phony Benoni>. White can also try 35. Qxb3, axb3. But this leaves him in the same position--the mate threat at a2 can't be dealt with at the same time as tackling the threat of ... b2#.

Jun-26-18		An Englishman: Good Evening: Easy yet spectacular; nice combination.

Jun-26-18		FSR: What <PB>, echoed by <lis>, said.

Jun-26-18		agb2002: Black is one pawn down. The pawn on b2 stops b2#. Therefore, 34... Qa3, threatening Qxa2#: A) 35.bxa3 b2#. B) 35.Re8+ Kf7 36.Qf5+ Kxe8 37.Qe5+ Kf8 38.Qf5+ (38.Qd6+ Qxd6 wins) 38... Kg8 39.Qxd5+ Kh8 40.Qd8+ (40.Qxb3 axb3 wins) 40... Rxd8 41.bxa3 b2+ 42.Kxb2 Rb8+ 43.Ka1 Rcb7 and mate in two. C) 35.Qxb3 axb3 and mate in three.

Jun-26-18		Walter Glattke: I agree, that 34.-a3 has less victims and quicker mate: 34.-Qa3? 35.Qd5+ Kh8 36.Re8+ Rxe8 37.bxa3 White wins or 35.-Kf8 36.Rf5+ seems perpetual. 34.-a3 35.Qxd5+ Qxd5 36.Rxd5 axb2+ 37.Kxb2 bxa2+ 38.Kxa2 Ra7+ mate next or 38.Ka1 Rb1+ mate next - mate with 35.axb3 axb2+ 36.Kxb2 Ra8 37.Rxc2 Qa3+ 38.Kb1 Qa1# or 35.bxa3 b2#

Jun-26-18		Walter Glattke: Sorry, overlooked Pd4.

Jun-26-18		Walter Glattke: B) is mate in 45, 34.-a3 is quicker mate, I think.

Jun-26-18		Walter Glattke: 35.bxa3 b2# but many victims with 35.axb3/Rxc2/Qxc2/Qxb3/Qxh7+/Re8+ should all bring a mate before move 45.

Jun-26-18		Mayankk: I saw Qa3+ and was happy straightaway that I solved it. Only later did I notice the potential Re8+ trap where Black has to find Kf7. So I passed the ‘spot the spectacular’ test but failed the ‘look left and right for calculation errors’ test.

Jun-26-18		saturn2: Saw 34..Qa3. The queen is tabu and threatens mate. The swindles 35 Re8 (after Kf7 white would have to take the rook and queen at the same time) and 35 Qxb3 are useless.

Jun-26-18		AlicesKnight: Saw the game line fairly soon. Even Qxb3 does not help White as the Black a-pawn recaptures to maintain the threat.

Jun-26-18		malt: 34...Qa3 with a discrete threat, 35.Re8+ Kf7 36.Qf5+ K:e8 37.Qe6+ (37.Qe5+ Kf8 38.Qf5+ Rf7 ) 37...Re7 38.Qg8+ Kd7 39.Q:d5+ Qd6 wins

Jun-26-18		Cheapo by the Dozen: Finding 34 ... Qa3 was easy. Working out what to do after 35 Re8+ was a little more challenging.

Jun-26-18		ajk68: 16. Nxg6? Why would any master play that move? Shameful.

Jun-26-18		takchess: Qa3. Didnt see counterplay hope that i would see the correct response otb.

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