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| Dec-24-16 | | patzer2: For today's Saturday puzzle, <23. f5!> wins with the offer of a poisoned Knight. After Black captures the unprotected Knight with <23...Qxd5> 23... Re8 24. Nef6+ Bxf6 25. Rxe8+ Qxe8 26. Qxe8# 23...Re5 24. Nd6 Rxe1+ 25. Rxe1 Nxd6 26. Bxd6 g6 27. fxg6 hxg6 28. Qxg6+ Kh8 29. Be5+ Bf6 30. Bxf6+ Qg7 31. Qxg7# White generates a mating attack with <24. Ng5! Bxg5 25. Qe8+ Rxe8 26. Rxe8+ Kf7 27. Rf8# 1-0> Black's decisive mistake appears to be 18...e4?!, which gives White a near decisive attacking position after 19. Re1 b5 20. dxe4 fxe4 21. Nxe4  to  . Instead, 18...exf4 = to  seems to hold it level or better for Black. |
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| Dec-24-16 | | s0030135: I think 24. Nf6+ also works. e.g. 24. ...gxf6 25. Rxe6 Nxa3 (Qd4+ 26. Kh1 Nxa3 27. Re8+ Kg7 28. Rc7+ Bd7 29. Rxd7+ Qxd7 30. Qg4+ Kh6 31. Re3) 26. Re8+ Kg7 27. Rc7+ Bd7 28. Qg4+ Kh6 29. Re3 |
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| Dec-24-16 | | drollere: two poisoned N's and a Q sac to boot, what an amazing finish. |
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| Dec-24-16 | | YuvalKenoll: I also looked at nf6+ and was satisfied from it i missed too f5！！ |
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| Dec-24-16 | | diagonalley: utterly astonishing! |
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| Dec-24-16 | | NBZ: Beautiful finish. My attempt was Nc5, after trying and failing to make Nf6/Ng5 work. Nc5 Rxe1+ Rxe1 threatening Re8+ and Nxd7 is the idea. |
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| Dec-24-16 | | mel gibson: My computer agrees but plays
(f4-f5 Re6-e5 Ne4-d6 h7-h6 Nd6xc4
Qd7xf5 Re1xe5 Qf5xh5 Re5xh5 b5xc4 Rh5-e5 Bc8-d7 Rc1xc4 Bd7-c6 Rc4-d4 Kg8-h8 Ba3-e7 Bd8-a5 Re5-f5 Bc6-b5 Rf5-f8+ Ra8xf8 Be7xf8 Kh8-g8 Bf8-c5)score +4.51 depth 18.
But if black plays
23. .. Qxd5 24. Ng5 (24. Ng5 (♘e4-g5 ♕d5-d4+ ♔g1-h1 ♕d4-g1+ ♔h1xg1 ♗d8-b6+ ♔g1-h1 ♘c4-d6 ♕h5xh7+ ♔g8-f8 ♗a3xd6+ ♔f8-e8 f5xe6 ♗b6-a5 ♕h7-h8+) +M8/11 12) It's mate in 8. |
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| Dec-24-16 | | mel gibson: This game is beyond human comprehension. |
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| Dec-24-16 | | YuvalKenoll: I also looked at nf6+ and was satisfied from it.
I missed f5！！comletely |
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| Dec-24-16 | | crazyhead: incredable finish makes me realise im just awood pusher |
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| Dec-24-16 | | YouRang: Okay that was hard (amazing mating attack though). I considered 23.Rcd1 (with Ndf6 intended), but too obvious reply of 23...Qf7 spoiled all the fun. I did actually peek at <23.f5!>, but I thought black escaped via <23...Rh6 24.Ndf6+ Kh8> (not 24...Bxf6 allowing 25.Nxf6+ Rxf6 26.Re8+!) 
click for larger view
But, checking with the computer, I see that white still ends up with a winning game after <25.Qxh6!>. |
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| Dec-24-16 | | RandomVisitor: 20...Qf7 is probably black's last chance to equalize. Black is up a pawn so simply returning it while preventing the future Qh5 makes sense. |
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| Dec-24-16 | | Sularus: tried to make 23. Nef6+ work but failed :( |
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| Dec-24-16 | | wtpy: I spent so long on working out the solution for 23 f5 Re5 I couldn't remember all my analysis for Qd5. Sigh, the prodromal phase of dementia sucks. |
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Dec-24-16
 | | Jimfromprovidence: It looks like 23 f5 has two objectives.
The most damaging result is for black to move off of the e file, such as 23...Rc5, where white now controls the e file after 24 Ng5, below (or 24 Nf6+), both of which are forced mates. 
click for larger viewThe more subtle result is to make the rook move off the 6th rank, like 23...Re5. This allows 24 Nd6, below, which keeps the black queen off of q7, so that black cannot force a queen exchange. 24 Nd6 also protects the d5 knight. 
click for larger view<mel gibson> shows an example of the winning line from this position. |
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| Dec-24-16 | | ChessHigherCat: Pretty damned impressive for a junior! I looked up Antipov's profile and wondered how he could possibly have beaten Petrosian outside of a seance, but it turns out he beat Tigran L. Petrosian rather than the famous Tigran V. Petrosian. Just as a side note, "Tigran Leonovich" (unfortunately) does not mean "Tiger son of Lion", since according to wiki Tigran comes from the Old Persian for "fighting with arrows" |
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| Dec-24-16 | | Beholder: <Just as a side note, "Tigran Leonovich" (unfortunately) does not mean "Tiger son of Lion"> That's exactly what it means. |
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| Dec-24-16 | | ChessHigherCat: <Beholder>
That's why I thought, too, but wiki doesn't think so:
Old Armenian
Etymology
According to Ačaṙyan, from Old Persian *Tigrāna, derived through haplology from *tigrarāna (“fighting with arrows”) |
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Dec-24-16
| | Jimfromprovidence: Correcting a typo...
..."The more subtle result is to make the rook move off the 6th rank, like 23...Re5. This allows 24 Nd6, below, which keeps the black queen off of <f>7, so that black cannot force a queen exchange. 24 Nd6 also protects the d5 knight".
click for larger viewAlso, black cannot take the knight with 24...Nxd6 as white has 25 Rxe5, below, threatening 26 Bxd6, as the queen cannot abandon the defense of e8. 
click for larger view |
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| Dec-24-16 | | morfishine: For today's Saturday puzzle solution, we are again presented with yet another nauseating game title which as usual, has nothing to do with anything whatever But I guess thats due to the leftist, "diversity agenda" that awards medals to all that participate,..."A ribbon for everyone" approach, regardless of each one's actual level of achievement ***** |
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| Dec-24-16 | | Beholder: <ChessHigherCat> Sorry, not convinced.
The Wiktionary page you quote (but neither name nor provide any links which isn't exactly helpful by the way) https://en.wiktionary.org/wiki/%D5%... cites a single source, a 1964 book by this author https://en.wikipedia.org/wiki/Hrach...
who, while admittedly a celebrated linguist, is still just a single source going against multiple sources that attribute Tigran to tiger, through both ancient Greek and ancient Persian. |
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| Dec-24-16 | | ChessHigherCat: < Beholder: <ChessHigherCat> Sorry, not convinced.> Well, etymologies are always speculative and it's been millennia since I've spoken either Old Persian or Old Armenian myself, but if you're going to play the numbers game, you have to consider the influence of folk etymology: Tigran sounds so much like "Tiger" that almost anyone would (and does) automatically see a connection, but that doesn't make it true. In contrast, the number of expert philologists specializing in ancient Armenian can be counted on the remaining fingers of a retiree from a Mexican fireworks factory, and their readership is scarcely larger, so you can't expect their etymologies to make the national headlines. Also, some people claim that "tiger" is derived from a common origin (sharp pointed/arrow) but that's purely speculative, like the rest (http://www.etymonline.com/index.php...) |
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| Dec-24-16 | | agb2002: White has a bishop and a knight for the bishop pair and a pawn. Black threatens Nxa3.
White has Ng5, Ndf6+, Nef6+, Nc5, f5, Rcd1, Bb4, etc. The most promising move seems to be 23.f5. For example, 23... Qxd5 24.Rcd1 Bb6+ 25.Bc5 Bxc5+ 26.Nxc5 Qxc5 27.Rd8+ Qf8 28.Rxf8+ Kxf8 29.fxe6 + -. I can't do more today. |
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| Dec-24-16 | | aidanmurph64: Wonderful combination, 3 pieces beat 5 pieces. It's all about placement. |
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| Dec-25-16 | | technical win: <Wonderful combination, 3 pieces beat 5 pieces. It's all about placement.> I'm right there with you. |
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