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Pier Paolo Pedrini vs David J Ledger
European Club Cup (2008), Kallithea GRE, rd 7, Oct-23
Nimzo-Indian Defense: Three Knights Variation (E21)  ·  0-1
ANALYSIS [x]

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Kibitzer's Corner
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Oct-29-18  Walter Glattke: correction: *(32.Kf2 Qxg1#)
Oct-29-18
Premium Chessgames Member
  agb2002: Black has an extra pawn.

White threatens Rxd2 and Bxc5.

The black bishop x-rays the white king. Therefore, 29... Qxf3+:

A) 30.Qxf3 Rd2+ followed by 31... Bxf3 - + [r+2p].

B) 30.Kf1 Qh1+ 31.Qg1 Rd1+ 32.Re1 Rxe1+ wins the queen.

C) 30.Kg1(h2) Qh1#.

Oct-29-18
Premium Chessgames Member
  OrangeTulip: Nice puzzle to start the week!
Oct-29-18  AlicesKnight: 29.... Qxf3+ seems to do - the White Q is overloaded with the R and the pin after 30.Qxf3 allows ...Rxe2+, while moving the K lets the R go as well. One of those moves which look impossible - but is.....
Oct-29-18  yadasampati: Although i solved it, this one is definitely not "very easy".
Oct-29-18
Premium Chessgames Member
  Dionysius1: Black's move is pretty obvious but if 30. ♔f1 there's no immediate massive win of material for Black. The checkmate, though forced, is 7 moves away.

I'm torn. Yes, very easy to see the next move, but no, not easy to see that it is completely winning.We've had similar Monday quandaries before.

On balance I don't think it should qualify, for the po-faced reason that it's a bad idea to get players making flashy moves unless they can see their way to a win against best defence. And that certainly isn't very easy here.

Oct-29-18
Premium Chessgames Member
  OhioChessFan: Agreed <yada> I'd definitely call this Tuesday level.
Oct-29-18  zb2cr: 29. ... Qxf3+ starts things off. The main line is 30. Qxf3, Rxe2+; 31. Kf1, Bxf3. Black has a R+2P advantage. The Bishops being of opposite colors makes things only a little trickier.

Other moves by White such as 30. Kg1 or 30. Kh2 are fatuous, leading to immediate mate by the Black Queen at h1.

That leaves 30. Kf1, Qh1+; 31. Qg1, Rd1+; 32. Rd1 (32. Kf2, Qxg1#); 32. ... Rxe1+wins White's Queen.

Oct-29-18
Premium Chessgames Member
  TheTamale: I hate it when I miss an easy puzzle because I'm seeing a key piece on a different square from where it really is.
Oct-29-18
Premium Chessgames Member
  Once: <Dionysius1> 30 Kf1 Rxe2 31. Qxf3 Bxf3
Oct-29-18  TheaN: Monday 29 October 2018

<29....?>

Black breaks through with <29....Qxf3+ 30.Qxf3 (Kh2/g1 Qh1#; Kf1 Qh1+ 31.Qg1 Rd1+/Qxg1+ -+) Rxe2+> and now the Queen's pinned, which is the point <31.Kg1 Bxf3 -+>.

<yada>, <Dionysius>, <OCF>: although I get it, I don't think I can agree in this instance. Yes, after 30.Kf1 Black has to take another look, but being able to play 29....Qxf3+ unopposed is enough for this to merit a Monday puzzle. Tuesdays and later usually involve one line where the playing color can pass up, which I don't really think is the case here.

Oct-29-18  TheaN: Interestingly enough, Black will in fact mate White over the light squares if White attempts 30.Kf1 (so in theory worse than 30.Qxf3):

<30.Kf1 Qh1+ 31.Qg1 Rd1+ 32.Re1> of course in this position White's down and out, however <32....Qxh3+! 33.Ke2 (Kf2 Qf5+ w/ Qf3#) Qg4+ 34.Kf1 (else Qf3#) Qc4+! 35.Kf2> now White's forced to go to f2 which means peril because Pg3 is in the way <35....Qf7+ w/ Qf3#>.

I sincerely doubt if anyone would play this: it does require a fair bit of calculation, if you miss one move you might be throwing nearly all advantage.

Oct-29-18  RandomVisitor: Way back at move 17 there was:


click for larger view

1) <=0.00 (30 ply) 17.Be2> Qg6 18.Rb1 f4 19.Rxb7 fxg3 20.fxg3 Rf2 21.Rf1 Rxh2 22.Kxh2 Qxg3+ 23.Kh1 Qh3+ 24.Kg1 Qg3+ 25.Kh1

2) -0.30 (30 ply) 17.Bg2 Nxc3 18.Bxb7 Qxd1+ 19.Qxd1 Nxd1 20.Bxa8 Rxa8 21.dxc5 Rc8 22.Kf1 Nc3 23.Bb2 Na4 24.Bd4 Nxc5 25.Rb1 d6 26.Bxc5 Rxc5 27.Rb8+ Kf7 28.Rb7+ Kf6 29.Rxa7 g5 30.Ra6 g4 31.Rxd6 Rxc4 32.Rd2 Ke5 33.Kg1 a4 34.Kg2 Rc3 35.Kf1 Kf6 36.Ke2 a3

3) -0.39 (29 ply) 17.d5 Ng5 18.Rb1 Ba6 19.Ba3 Rf6 20.Bg2 e5 21.f4 Rh6 22.h4 Nf3+ 23.Kf2 e4 24.Qe2 d6 25.Bxf3 exf3 26.Qxf3 Qe8 27.Rd2 Rf6 28.Re1 Qa4 29.Bb2 Qxa2 30.e4 fxe4 31.Qxe4 Qxc4 32.Qxc4 Bxc4 33.Ra1 Re8 34.Rxa5 Rf7 35.Kg1 Re1+ 36.Kh2

Oct-29-18  tigreton: The whole game is really impressive.
Oct-29-18
Premium Chessgames Member
  patzer2: White's losing move was 17. Ba3? allowing 17...Ng5! ∓ (-2.75 @ 20 ply, Stockfish 9).

Instead, White should have played one of the move 17 improvements posted above by <RV>.

Oct-29-18
Premium Chessgames Member
  perfidious: One wonders what ran through White's mind whilst contemplating his disastrous 17.Ba3, a move which cannot be right with his king bereft of defenders.

The line chosen did, however, have the benefit of allowing a most elegant attack in reply, featuring some piquant possibilities. This game could well have also served as a Sunday POTD.

Oct-29-18  Cibator: Pedrini is no accountant .... he ends up on the wrong side of the Ledger.
Oct-29-18
Premium Chessgames Member
  Once: I'm struggling to get excited about 30. Kf1.


click for larger view

Sure, there are complicated lines starting with 30... Qh1+ or 30... Rd1+ but we don't need to go down either route. Isn't it obvious that white has just left his Re2 en prise? His king can't protect it because e2 is attacked twice. His queen can't protect it because it is pinned.

So 30...Rxe2. We're a safe rook up. Computers might find faster mates but a rook is a rook is a rook.

Oct-29-18
Premium Chessgames Member
  perfidious: <Cibator: Pedrini is no accountant .... he ends up on the wrong side of the Ledger.>

As many another player has in their day, despite Ledger being below .500 in this DB.

Oct-29-18
Premium Chessgames Member
  Penguincw: Haven't attempted these Monday puzzles in a while. Hope they're actually Monday level.

And yay, it is. 1/1 this week, I think 1/2 this month.

Oct-29-18
Premium Chessgames Member
  OhioChessFan: Ba3 was just terrible. I get the feeling White thought Black wouldn't move the Knight and undefend the c5 Pawn. If the Knight stayed there, then to take the c5 Pawn would lead to tripled Pawns. But Black had other ideas, and the Knight's extra tempo to get into the attack was the difference in the game. The rest of the game, the poor Bishop, in Lasker's words, might as well have been anywhere else but on the board.

As for Black, I loved that he twice dropped a Rook on a square defended by a White Pawn.

Oct-29-18
Premium Chessgames Member
  Bubo bubo: Black wins a rook (and a pawn) with 29...Qxf3+:

A) If White recaptures, he moves his queen into a pin, leaving the rook unguarded. Hence 30... Rxe2+ wins a rook - and subsequently the queen, because it shoos away the king: 31.K~ Bxf3.

B) Fleeing with the king does not help either: 30.Kf1 Qh1+ 31.Qg1 Qxg1+ 32.Kxg1 Rxe2 or 30.Kg1/h2 Qh1#.

Oct-29-18  barryh1976: BxChess...black is up a rook after the combination...easy endgame wim.
Oct-29-18  Cheapo by the Dozen: Good Monday puzzle.

Is there a quick mate? Probably not.

But it looks like a backrank mate/Bobby Fischer Teaches Chess kind of position, so let's try a similar move and see happens ... yay, we win decisive material!

Oct-30-18
Premium Chessgames Member
  Dionysius1: Thanks <Once>. The echo makes the puzzle more fun, though I didn't get it.
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