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Athanasios Mastrovasilis vs Andy Marechal
Cappelle-la-Grande Open (2011), Cappelle-la-Grande FRA, rd 1, Feb-26
English Opening: King's English Variation. General (A20)  ·  1-0



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sac: 28.Nf5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Oct-04-16  zb2cr: Only reason I got this is that I saw that White was already down by a Rook. Therefore, I went looking for a definite mate, and eventually found it.
Premium Chessgames Member
  Sally Simpson: Nice. A mate from the blue in a lost position (whilst a game is in progress there no such thing as a lost position.)

Black sets himself up beautifully.

Here. (Black to play)

click for larger view

White is threatening Nxh6+ and mate next move with Qxf7.

Black stops this with 33...Rf8. (cutting off a flight square.)

White plays 34.Rf2 to stop any Re2+ from Black and waits...

click for larger view

White is actually threatening nothing here.

Take it from a Class I Cheapo Merchant, (that will be me) in such positions threatening nothing is good. Your opponent will look for a threat, see none (obviously) and panic.

Black too eager to chop some wood, which is quite understandable, plays 34...Ne7 and a piano fell on his head.

Winning games like this brings more pleasure than 50 bog standard nick a pawn, chop wood, queen the pawn wins.

Losing one, OK you have blown a won position (whilst a game is in progress there no such thing as a won position.)

But what a neat way to go. Once you have got over the shock, you should not feel too bad about losing that one.


'Class I Cheapo Merchant'

G Morrison vs G Chandler, 1978

Enjoy...I did.

Oct-04-16  Dionysius1: Grrr! I've learned well enough as a Civil Servant and a consultant that the key to good analysis is asking precisely the right question. You'd think I could apply it to chess! I saw the possibility of mate on h6 but I asked the wrong question "How can I get the black rook off the 6th rank?" when the right question was "how can I stop the black rook defending the h6 square" It can stay on the 6th as long as its protecting powers are blocked. Hummph.
Oct-04-16  patzer2: Oops! It's Tuesday. The mate-in-two Queen sacrifice fooled me. Those are normally reserved for Monday.
Oct-04-16  mel gibson: I missed this one.
I can't believe it - I must have alzheimer's.
Oct-04-16  MarbleSkull: I usually get Tuesdays. The comments made me feel better :)
Oct-04-16  patzer2: <Dionysius 1> From your description of the situation, the correct question you pose is "How can I obstruct or deflect the Rook on e6?"

Sort of like how 4th Century Greek King Dionysius posed the question "If I'm short on cash, how can I pay off my debt and still be rich?"

According to< In the fourth century B.C., the Greek tyrant Dionysius of Syracuse borrowed from his subjects in gold and then found he was unable to pay. He was the government, the sovereign, so according to the story, he simply took every gold coin that said one drachma on it and re-stamped it “two drachmas” and then paid his people back with the restamped coins.>

What does that have in common with this game. Both this game and the story of Dionysius invove a swindle.

P.S.: Modern politicians are more subtle in pulling off Dionysius's swindle. They either default on debt or create inflation to pay their citizens with worthless or worth less currency.

Premium Chessgames Member
  paulalbert: Got this, but took a minute's thought, because I started down a couple false paths. Saw mating pattern possibility with N on f5 to either h6 or e7. Finally saw with Qg6ch, N or P capture by black allows Nxh6 mate. With R capture by black allows Nxe7 mate. Subtle and instructive! Easy but not perhaps immediately as intuitive as most Tuesdays.
Oct-04-16  YouRang: I think what made this mate-in-2 feel difficult is that after 35.Qg6+!, capturing the queen with the pawn (35...fxg6) would appear to give the king some much needed breathing room at f7.

click for larger view

But of course, 35.Nxh6 is mate because the resourceful knight not only give check, but it also cuts off the f7 escape square.

Oct-04-16  yadasampati: <gofer> "A two move mate is definitely "Tuesday" level"

I think this puzzle proves that the difficulty level does not only depend on the number of moves, unless it is just 1 move.

Premium Chessgames Member
  Peligroso Patzer: <FSR: I found it, and quickly, but it seems a bit shocking for a Tuesday.>

I fully agree. I first tried 35. Qxh6 (threatening 36. Qg7#); that move works splendidly against 35. ... Rxh6 (winning the queen!!! - but ??? for overall merit), however against 35. ... Nxf5, not so much.

Then I looked at 36. Qg6+. Black has three ways to accept the queen sac, but all allow mate on the move.

Oct-04-16  kevin86: A quick threeprong sac leads to immediate mate.
Oct-04-16  BOSTER: This is nice coordination between bishop and knight, creating a well known pattern recognition. This is only illusion that square g6 is protected. So, 35.Qg6+.
I found this when counted that white played without rook.
Premium Chessgames Member
  Willber G: <gofer: This one took ages. I saw everything that didn't work and had to discard them one by one.

I even got desparate and looked at Qxf7+ looking for miraculous forced-mates following hopeful variations that were completely unfounded in anywhere but <cloud-cuckooland>...

...finally the light dawned.

A two move mate is definitely "Tuesday" level. But this one seemed more like a "Thursday", somehow...>

Ditto on all points. Excellent puzzle, but not 'easy' for me to see quickly. If I'd had two minutes on the clock I probably would have lost...

Premium Chessgames Member
  gawain: I nominate this for Best Tuesday Puzzle ever.

(Yes I did solve it--eventually.)

Premium Chessgames Member
  Fusilli: I found it, but it took clearly longer than what Tuesday puzzles usually take. It was clear that it had to be a knight mate, and it all became clear when I saw the double potential of mate on e7 and h6.

It is a stunner, and a beautiful finale.

Oct-04-16  TheFocus: I don't know why people call this a Wednesday puzzle. It was pretty easy.
Oct-04-16  notyetagm: The mating pattern <BLACKBURNE'S OTHER MATE> strikes again!
Oct-04-16  Whitehat1963: Totally missed it.
Oct-04-16  cunctatorg: A difficult (?) to be answered question:
what's the computers' evaluation for A. Mastrovasilis' move 28. Nf5!?! ? If (if...) this move is a sound one, meaning there isn't any refutation by better defense, then it is 28. Nf5!!... It just happens that by 32nd move, Black is one Rook up and the Queen's sacrifice is delivered four moves later...
Premium Chessgames Member
  steinitzfan: Line opening and deflection themes can be hard to see but look easy after we see them. Interference themes (as seen here) and in-between moves can leave us scratching our heads even after we see them.
Oct-11-16  SimplicityRichard: A mind boggling mating pattern to conjure. A tactical beauty!#
Oct-15-16  cocker: Featured by ChessGames, Oct 4, in The Times (London) Oct 15.
Nov-01-16  Dionysius1: Hi <patzer2>. Sorry I've just seen your comment. Without getting too serious about it, I think the more fundamental question, which makes fewer assumptions about what a successful answer will be, is "how can I stop the black rook defending the h6 square". Your "How can I obstruct or deflect the Rook on e6?" is the beginning of the answer.
Sep-28-20  Chesgambit: Ne7??
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