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Marcelo-Rafael Orfali vs Miguel Senlle Caride
Mondariz 7th (2007), rd 9, Oct-13
King Pawn Game: Parham Attack (C20)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-04-17  ChessHigherCat: I think it's Bg4 threatening both Re2# and QxQ.
Apr-04-17  icemanmike2016: I agree with ChessHigherCat
Apr-04-17  ruzon: <ChessHigherCat: I think it's Bg4 threatening both Re2# and QxQ.>

23...Bg4 24. Re2 Qxh2 25. Nxh2.

Apr-04-17  ChessHigherCat: The problem is that white can play Rxg4, Qxg4, Ng3, but it at least wins an exchange and there's still a good attack
Apr-04-17  stst: (A)23......Bg4 threatens Re2#, 24.RxB QxR exchange up, but if 24.......QxQ, 25.NxQ, Black is down.

More direct:
(B)23.......Re2+ KxR (forced)
24.BxN+ K/R/RxB QxQ exchange up

Apr-04-17  ChessHigherCat: ruzon: 23...Bg4 24. Re2 Qxh2 25. Nxh2>

Not quite: 23..Bg4 24 Re2 Rd1+ 25. Re1 Rxe1#

Apr-04-17  Walter Glattke: I think, one could also play 23.-Bg4 here, maybe even stronger: 24.Rxg4 Qxg4 25.Ng3 Rf3 26.Qh5!? Rxg3 27.Qxe8+ Bf8 28.Nf6+ Kg7 29.Nxg4 Rg1# This is a Tuesday puzzle, really?
Apr-04-17  stacase: Once you see that if Black's King were to be forced to e2 White's Bishop can grab the Knight and say check while uncovering an attack on Black's Queen the next thought is "Oh look at that!" Boom! 23...Re2+ and White is up a Queen and two Pawns against a Rook. A won game if ever there was one.
Apr-04-17
Premium Chessgames Member
  agb2002: Black has the bishop pair and two pawns for a bishop and a knight.

White threatens Qxe5.

The knight on f1 protects the white queen. Therefore, 23... Re2+ 24.Kxe2 Bxf1+ 25.Rdxf1 Qxh2 - + [q+2p vs R]. White cannot trap the black queen: 26.Rh1 Qg2 27.Rfg1 Qf3+, etc.

Apr-04-17  Brapp: I must say that given all the forces bearing down on white's King, I was expecting a stronger result than winning an exchange. Of course that should be enough to see out this fairly open endgame
Apr-04-17  saturn2: Black gains further mayerial advantage.
23.. Re2+ 24 KxR BxN removes the defender of the white queen and is also check.
Apr-04-17  nalinw: #$%%@$^&**

I "saw" the whole thing - the blind spot was not seeing that the defending Knight disappears!!

Apr-04-17  saturn2: I am not sure whether 23..Bg4 works because of 24 RxB QxR <25 f3 > Queen and rook on c2 are attacked.
Apr-04-17
Premium Chessgames Member
  al wazir: <ChessHigherCat: 23..Bg4> 24. Bd2 Qxh2 25. Nxh2 Bxd1 26. Kxd1 Rxa2. It's not mate, but black is up an exchange and three {Ps.
Apr-04-17  AlicesKnight: 23....Re2+; 24.Kxe2 Bxf1+ wins the Q and there is an escape route from the White rooks via f3 if needed. Is there more? - it seems not .... Black wins.
Apr-04-17  Walter Glattke: Good idea, al wazir, but I found 26.-Rxd2+ 27.Kxd2 Rxf2+ 28.Ke1 Rxh2, that makes your idea still stronger!
Apr-04-17
Premium Chessgames Member
  Once: That's an oddly unsatisfying ending. In human mode I was trying to decide whether 23...Re2+ was better than 23...Bg4+. 23... Re2+ wins more material, but it does give away our powerfully posted rook.

Meanwhile I was looking for something stronger. With the white king stalemated it feels like there ought to be something else, but it's hard to funnel more black pieces into the attack. So I spent a while looking at Rxf2 tricks which don't go anywhere.

Fritzie calls it as -6.3 for 23...Re2 and -3.6 for 23..Bg4+. There is nothing else.

Ho hum.

Apr-04-17  cocker: In the game line it is important to check that the black queen can escape after 26 Rh1.
Apr-04-17  leRevenant: Easy?
Apr-04-17  Willber G: <saturn2: I am not sure whether 23..Bg4 works because of 24 RxB QxR <25 f3 > Queen and rook on c2 are attacked.>

25...Rxh2 gets rid of the attack on the rook. ;-)

Apr-04-17
Premium Chessgames Member
  gawain: This is a curious one, rather complex for a Tuesday. I had the right idea (23...Re2+ forcing 24 Kxe2 allowing 24... B moves with check discovering an attack on the white queen. Then it's just a matter of seeing that Black's 24th has to be Bxf1+ not Bg4+. (And, as <cocker> observes, checking to see that the black queen can escape.)
Apr-04-17
Premium Chessgames Member
  Richard Taylor: I just looked and saw that Re2+ involved winning the Q I am sure I would have calculated it all OTB or if I had more time so I give myself full points for finding Re2+....[Although I have to admit I went for Qg4+ but it's after 2 am here and I just finished a hard chess game a few hours ago!]

But at first I wondered if Qh5 threatening mate or possibly a R sac on f2 might be the ticket. But it seems only a Q is wanted.

Apr-04-17  stst: <Fritzie calls it as -6.3 for 23...Re2 and -3.6 for 23..Bg4+. There is nothing else.>

< it is important to check that the black queen can escape after 26 Rh1.>

Those got engines, why not let them play out the different lines, and see for themselves & yourself?

May also try different engines, and see if they agree - they should see far more, quicker, and better, right??

My own stupoo engine (i.e. my own human dummie) see no trap for the Black Q after Rh1, as the game shows. Grateful if anyone can show this trap, that would be 'super'

Apr-04-17  Marmot PFL: Yet another unlucky setback for the Parham-Nakamura Attack (2 Qh5)
Apr-04-17  RandomVisitor: The fish says:


click for larger view

Stockfish_17032800_x64:

40/73 -8.60 23...Re2+ 24.Kxe2 Bxf1+ 25.Rdxf1 Qxh2 26.Kd2 Qh3 27.Kc1 Nd6 28.Ne7+ Kf7 29.Nd5 Qd7 30.Nc3 Nb5 31.Nb1 Qd3 32.Kb2 Qe2+ 33.Ka1 Nd4 34.Rc1 Nc2+ 35.Rxc2 Qxc2 36.Rc1 Qd3 37.Kb2 Kg8 38.Na3 b5 39.Rc3 Qd7 40.Rc2 a5 41.Rd2 Qb7 42.Rd6 Rf6 43.Rd1 a4 44.Nc2 axb3 45.axb3 b4 46.Rd2 Qb5 47.Rd1 Rf8 48.Rh1 Qe2

40/73 -5.35 23...Bg4 24.Rxg4 Qxg4 25.Bd2 Rxa2 26.Nfe3 Qe6 27.Nc3 Ra3 28.Qg2 Rxb3 29.Nxe4 Qg6 30.Qxg6 hxg6 31.Rc1 Rf4 32.Nc5 Rb5 33.Ne6 Rh4 34.Nd1 Nd6 35.Rc7 Bf6 36.Nc3 Rb2 37.Kd1 Rh1+ 38.Ke2 Rh7 39.Rxh7 Kxh7 40.Nd1 Rc2 41.Ne3 Ra2 42.Nd5 Bh4 43.Nc3 Rb2 44.Nd1 Rc2 45.Kd3 Rc6 46.Ng5+ Bxg5 47.Bxg5 Kg7 48.f3

39/73 -1.62 23...Rfxf2 24.Bxf2 Re2+ 25.Kxe2 Bxf1+ 26.Rdxf1 Qxh2 27.Kd1 Kh8 28.Kc1 Qh6+ 29.Ne3 Qh3 30.Kb2 h6 31.Rg2 Kh7 32.Bg1 Qe6 33.Rd2 h5 34.Nf5 Bf8 35.Rc2 Qa6 36.Ne3 Bh6 37.Rf7+ Kg6 38.Re7 Nf6 39.Nc4 Ng4 40.Rd7 Bf8 41.Rcd2 Kg5 42.a4 Bb4 43.Rg2 Kh4 44.Rc2 Kh3 45.Rf7 h4 46.Rd7 b5 47.Rxa7

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