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William G Doubleday vs Sergey Kudrin
Ontario Open (2004), Brantford ON, rd 1, May-22
Gruenfeld Defense: Three Knights Variation. Hungarian Attack (D92)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
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Feb-03-12
Premium Chessgames Member
  chrisowen: A mere tiffle touche get idea it is scintillating live whisk off

broad-cast every encounter tell closed initially but in gain rich

going it is applicable isnt it erstwhile any more well spotted

chap cut above the rest diplomatic as ever hop in accolade

squeeze it so in race nearly it homage in crick back h5 the picka

it alive in drum it try in manage you rope defence samaritan ar

good star fish ar ooh5 yes in almost it chin down tab rot he

rame swing it her black trough in effect opening check king h2

takes trellis edifice in changing dimension metrics in easy it

pawn up in lint white mind. Pack h5 best goofball for having mate do bin along in e3s axe it blow deep rh8 shave off same result shy it a sinch for... Kudrin win dingy hole as given ascent queen.

Feb-03-12  dzechiel: Black to move (25...?). Material even. "Difficult."

The rook sac on h2 is crying out to me. Let's start with...

25...Rxh2+ 26 Kxh2 Rh8+ 27 Kg3 Qe7

Threatening 28..Qh4#.

28 fxe5 Qg5+ 29 Kf3 Qe3+ 30 Kg4 f5#

I think this must be it. Time to check.

=====

Aw, nuts! The f-pawn can be captured en passant. This is real sloppiness on my part. No excuse.

Feb-03-12
Premium Chessgames Member
  LIFE Master AJ: I spent about 20+ minutes on this one.

William Doubleday - Sergey Kudrin [D92]
2004 Ontario Open / Brantford (R#1), 22,05,2004.

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 0-0 6.Rc1 dxc4 7.e3 Be6 8.Ng5 Bd5 9.e4 h6 10.exd5 hxg5 11.Bxg5 b5 12.Nxb5 Qxd5 13.Bxf6 Bxf6 14.Nc3 Qe6+ 15.Qe2 Qb6 16.Qxc4 Bxd4 17.Rc2 c5 18.Be2 Nd7 19.0-0 Ne5 20.Qa6 e6 21.Na4 Qc7 22.Kh1 Rab8 23.b3 Kg7 24.Bd1 Rh8 25.f4 Rxh2+ 26.Kxh2 Rh8+ 27.Kg3 Qe7 28.fxe5 Qg5+ 29.Kf3 Qf5+ 30.Ke2 Qe4+ 0-1

The position after 25.f4.


click for larger view

I saw 25...RxP/h2+; almost immediately, but thought my attack would run out of gas, I even saw the one line that gave <dzechiel> trouble.

So I tossed out the Rook-sack, and spent quite a bit of time, looking for "something else." However, after many minutes of looking, I came back to the obvious sack, (there really was nothing else); and said: "I must be missing something ... somewhere down the line."

At first, I did not want the WK to cross the f3 sqaure, I thought that this meant that White was getting way. However, after MANY minutes of analysis, I had a MAJOR insight (a big flash of inspiration).

THE PATTERN that suddenly reached out and grabbed me was that it was GOOD for Black to get the WK to e2 and d2!!!!! One e2, its a classic epaulette mate, and on d2 a sneaky epp. mate.

Once I realized the TRUTH of the position, it became a simple "cattle drive," and all too obvious. However, I will easily and frankly admit that I did NOT come to the EASY and OBVIOUS mate ... not without a lot of work and calculation!!!!!

More and more lately, I am reminded of my good friend - of many years ago. (We are still friends - just now he lives far away, and no longer plays chess avidly as he did during the 1970's.)

"Chess analysis is a like lot mining ... you don't find anything worthwhile on the surface, the deeper you dig, the more nuggets you find." - (J.) Scott Pfeiffer.

For all you younger whipper-snappers (who may live in this area) and don't know the name, Scott was - at one time - probably the best player on the Gulf Coast. When I was still just a fish and struggling to learn anything about the game, Scott could bowl me over with his pinky, and won tournament after tournament. In fact, I knew that I had finally "come of age" (chessically speaking) when I began to hold my own with this player.

Feb-03-12  BOSTER: <FSR> <Na4- what was white thinking ?>.

It's not easy to read the thoughts of players.
But many believe that style in chess as a mirror reflects player's personality.

White position is difficult.
Black has a center, the opened h file, active pieces.

Playing knight on a4,( everybody knows that knight on the edge is not good) white continues the chasing black queen, attacking pawn c5 and protecting his pawn on b2. But white has clearly understand that after this move the mobility of the white queen is very limited.

Playing very sharp b4 white could create the play on the queen's side, because black need at least couple moves to use the weakness on h2.

This is the pos. 22.with b4 (instead Kh1)


click for larger view

Maybe white wanted to play 22.Nxc5, ,but then didn't decide this.

Feb-03-12  TheBish: W Doubleday vs Kudrin, 2004

Black to play (25...?) "Difficult"

25...Rxh2+! 26. Kxh2 Rh8+ 27. Kg3 Qe7 28. fxe5 Qg5+ 29. Kf3 Qf5+ 30. Kg3 (30. Ke2 Qe4+ 31. Kd2 Qe3#) Bxe5+ 31. Rf4 Qxf4#.

Of course, White can throw away a piece or two more, but mate is the end result.

Feb-11-12  morfishine: <James D Flynn> Thanks for the comments! I really appreciate it. You pointed out one of the reasons for 26...g5: It opens up <g6> for the knight
Aug-13-22
Premium Chessgames Member
  perfidious: <....and now White gets to experience the full girth of Black's chess phallus....>

Dang if that ain't impressive.

Aug-14-22  2071 S Milwaukee: Not really. Wassup here...

<Feb-03-12 squaresquat: you people are thieves and cheats. it's a sad thing to be so lacking in virtue. You charged me. I go to Java and punch buttons. you people fence me out because of my verbal mastery and your rhetorical ineptitude.>

Nov-04-22  jrredfield: I saw 25 Rxh2. Comments from previous years sum it up.
Nov-04-22  Brenin: 25 ... Rxh2+ 26 Kxh2 Rh8+ 27 Kg3 Qe7, followed by 28 ... Qh4+ or 28 fxe5 Qg5+, looks good enough for a Black win.
Nov-04-22  stacase: And after 26.Kxh2?
26...Nf3+ looked good as it removes protection of White's f4 Pawn. IF White takes the poison Knight. However White can just move his King and the attack falls apart. So I got the first move.
Nov-04-22  Brenin: 12 Nxb5 was a mistake, but after 12 ... Qxd5 13 Bxf6 Black should play 13 ... exf6 rather than 13 ... Bxf6, so that 14 Nc3 is answered with 14 ... Re8+, e.g. 15 Be2 Qxg2, or 15 Ne2 Nc6, with significant advantage to Black. Of course, 14 Nxc7 loses to 14 ... Qa5+.
Nov-04-22  thegoodanarchist: GOTD Pun:
"Take Me Out to the Chess Game"
Nov-04-22  thegoodanarchist: Take me out to the chess game
Take me out to the crowd
Buy me some peanuts and Cracker Jack
I don't care if I never play black
For it's root root root for my pieces
If they're not active its bad
And it's check! check! mate and you're lost
At the old chess game!
Nov-04-22  nalinw: Ahhh it is not often I get a Friday right .... but not full credit as I didnt visualize the finish
Nov-04-22
Premium Chessgames Member
  al wazir: I played 29...Qe3+, which also wins: e.g., 30. Kg4 g5 31. Rxf7+ Kxf7 32. Qb7+ Kg6 33. Qf3 Rh4+ 34. Kg3 Bxe5#.

I see I found the same move ten years ago, the last time this was the game of the day.

Nov-04-22  jrredfield: oops I meant 25 ... Rxh2+
Nov-04-22  mel gibson: That wasn't difficult.

Stockfish 15 says mate in 8:

25... Rxh2+

(25. .. Rxh2+ (♖h8xh2+ ♔h1xh2 ♖b8-h8+ ♔h2-g3 ♕c7-d8 ♗d1-h5 ♖h8xh5 f4xe5 ♕d8-g5+ ♔g3-f3 ♕g5-e3+ ♔f3-g4 ♖h5-g5+ ♔g4-h4 ♕e3-g3+) +M8/80 25)

Nov-04-22  agb2002: Black can start a mating attack against the white king with 25... Rxh2+ 26.Kxh2 Rh8+:

A) 27.Kg3 Qd8 28.fxe5 (due to Qh4#) 28... Qg5+

A.1) 29.Bg4 Qe3+ 30.Bf3 (30.Rf3 Bxe5#) 30... Bxe5+ 31.Kg4 Qf4#.

A.2) 29.Kf3 Qf5+ 30.Ke2 (30.Kg3 Bxe5+ 31.Rf4 Qxf4#) 30... Qe4+ 31.Kd2 Qe3#.

B) 27.Bh5 Rxh5+ 28.Kg3 Qd8 29.fxe5 Qg5+ 30.Kf3 Qf5+ 31.Ke2 (31.Kg3 Bxe5+ 32.Rf4 Qxf4#) 31... Qxc2+ 32.Kf3 (32.Ke1 Rxe5+ 33.Qe2 Q(R)xe2#) 32... Rf5+

B.1) 33.Kg4 Qe4+ 34.Kh3 (34.Kg3 Rg5+) 34... Rh5+ 35.Kg1 Rg5+ 36.Kh3 (36.Kh2 Qxg2#) 36... Qxg2+ 37.Kh4 Qg3(4)#.

B.2) 33.Kg3 Rg5+ 34.Kh4 (34.Kf3 Qxg2+ 35.Kf4 Qg4#; 34.Kf4 Qf5#; 34.Kh2 Qxg2#; 34.Kh3 Qxg2+ 35.Kh4 Qg3(4)#) 34... Qe4+ 35.Kxg5 (35.Kh3 Qg4+ 36.Kh2 Qxg2#) 35... Be3+ 36.Rf4 Qxf4#.

Nov-04-22  AlicesKnight: Saw the break-in with ... Rxh2+ and ... Rh8+ with ... Qe7. The exact follow-up needs more care than I gave it.
Nov-04-22  Nosnibor: This is more like a Monday puzzle. Very obvious mating pattern.
Nov-04-22
Premium Chessgames Member
  scormus: Nice to see a POTD without a proliferation of alternative feasible moves.
Nov-04-22  Gowe: The ending was quite simple, at least considering I spent a lot more time on thursday and wednesday puzzles. I was able to see it to the end. The rook sacs was pretty clear to me, and then it was a matter of how to chase the king.

27... Qe7 was easy to spot, because it lead to mate in one. So I analyzed moves for white and only possible way to continue the game was taking the knight.

Then I considered Qh4+ and Qg5+ and realized that Qg5+ was better because you need to give a check on f5 later with the resulting of mate in 2 if 30.Kg3 (Bxe5+) or mate in 2 if 30.Ke2.

Nice puzzle!

Nov-04-22  TheaN: Ah nuts! I didn't finish this properly. After <25....Rxh2+ 26.Kxh2 Rh8+ 27.Kg3> interposing the bishop here just makes a potential mishap from Black manageable. <27....Qe7 28.fxe5> so far so good. This is all pretty much forced, given without fxe5 Black's threatening Qh4#.

Here however, I really wanted 28....Qh4+?! to work. I looked at 28....Qg5+!, thought 29.Bg4 would reload a defensive piece and discarded it. The key line then is 29....Qe3+ and the dark square weaknesses. Ie, 30.Rf3 Bxe5# but also 30.Bf3 Bxe5! #1. White really misplaced his pieces too much to come back to the king's defense.

After <28....Qh4+?! 29.Kf3>, the best move seems to be 29....Qg5! with 30.g3 Rh3 -+ and a significant plus for Black. Instead, my <29....Qh5+? 30.Ke4 Qxe5+ 31.Kd3 Rd8! => looks very dangerous, but it's only a draw after 32.Re2! with best play. Twice in a row I let a win slip away.

Nov-04-22
Premium Chessgames Member
  chrisowen: I tock mad question Rxh2 abled it's leeway doh it's axiom jag afford position game Rxh2 ebb;
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