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Bartlomiej Macieja vs Eduardas Rozentalis
100th US Open (1999), Reno, NV USA, rd 8, Aug-19
Russian Game: Modern Attack. Center Variation (C43)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Sep-20-09
Premium Chessgames Member
  Peligroso Patzer: Taking another look at this remarkable game, I believe that White's position became lost after <26. Qd7?>.

After 25. ... Re8, Macieja needed to play: <26.Be4!> (blocking the e-file). This would have enabled White to emerge with a small edge after a continuation such as: 26...f5 27.Ke2 Qh5+ 28.Kd2 fxe4 29.Kc1. After the inaccurate 26. Qd7?, however, Black was winning by force.

Sep-20-09
Premium Chessgames Member
  Peligroso Patzer: Here is some analysis of the critical positions from this game as worked out with Fritz7:

<1. e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Nd7 6.Nxd7 Bxd7 7.0-0 Bd6 8.c4 c6 9.cxd5 cxd5 10.Qh5 0-0 11.Qxd5 Bc6 12.Qh5 g6 13.Qh3 Ng5 14.Bxg5 Qxg5 15.Nc3 Rae8 16.Rad1 Re7 17.d5 Bd7 18.Ne4 Rxe4 19.Qxd7 Rd8 20.Qxb7 Bxh2+ 21.Kxh2 Rh4+ 22.Kg1 Qh6 23.g3 Rh1+ 24.Kg2 Rh2+ 25.Kf3 Re8 26.Qd7?> [White needed to play: 26.Be4; for example, 26...f5 27.Ke2 Qh5+ 28.Kd2 fxe4 (White would get a winning advantage after 28...Rxe4? 29.Qb8+ Kf7 30.Qxa7+ Re7 31.Qb6 ) 29.Kc1 and White is slightly better] <26...Qh5+! 27.Qg4> [Losing faster would be 27.g4 Qh3+ 28.Kf4 Rxf2+ 29.Rxf2 (29.Kg5 h6#) 29...Qe3#] <27...Rxf2+! 28.Rxf2> [or 28.Kxf2 Qxg4 ] <28...Qxd5+ 29.Kf4> [or 29.Be4 Qxd1+ 30.Re2 f5 31.Qf4 Qf1+ 32.Ke3 Rxe4+ 33.Qxe4 fxe4 ] <29...Qd4+ 30.Kg5 Qxf2 31.Qf4> [31.Kh4 Re5 32.Bf5 Qh2+ 33.Qh3 Qxb2 34.g4 gxf5 35.Rd8+ (35.gxf5 Re4+ 36.Kg5 [36.Kh5 Qe2+] 36...Qg7+ 37.Kh5 h6 ) 35...Kg7 36.Qg3 Re4 ] <31...Qc5+ 32.Bf5 Qe7+ 33.Kh6> [If 33.Kg4 Qe2+ 34.Kh3 (34.Qf3 gxf5+) 34...Qxd1 35.Be4 Qh5+ 36.Kg2 Qe2+ and Black emerges with an extra Rook.] <33...f6! 34.Bxg6> [If 34.Rd7 Qf8+ and MATE NEXT.] <34...Qg7+> and <WHITE RESIGNS>. 0-1

Black would have a big material advantage after: 35.Kh5 Qxg6+ 36.Kh4 Re4

Sep-20-09  WhiteRook48: 37 Rd8+ does not work
Feb-14-14
Premium Chessgames Member
  plang: 10..0-0 is a gambit developed by Yusupov that gives Black a promising lead in development. 20 Qxb7 was new; 20 Qxd8 had been played in Luther-Alterman Recklinghausen 1998 (not included in this database). In playing 26 Qd7? Macieja clearly missed Blacks 27 move; Rozentalis recommended 26 Be4..f5 27 Ke2..Qh5+ 28 Kd2..fxe 29 Kc1..Qf5 30 g4..Qf4+ 31 Kb1..Rb8 32 Qe7..e3 with chances for both sides.

<"Peligroso Patzer: Rozentalis had said the entire attack had been worked out in his home preparation.">

That is really useful information - the concluding attack, while pretty, seems fairly obscure - it just seems unlikely that someone would find 27..Rxf2+! at the board.

May-08-21  Walter Glattke: White is bishop and pawn ahead and threatens Qxe8+, therefore check with 26.-Qh5+ (26.-Rxf2+. 27. Rxf2! ++-) 27.g4 (Qh3+ 28.Kf4 g5+ 29.Kxg5 Qh6+ 30.Kf5 perpetual possible) 27.-Rh3+ 28.Kf4 Qe5# / 28. Kg2 Qxg4#
27.Kf4 g5+ 28.Kf5 Qf3+ 29.Kxg5 Rh5#
27.Qg4 Rxf2+ 28.Rxf2 Qxd5+ 29.Be5 Qxd1+ 30.Kf4 Rxe5+ 31.Kxe5 Qxg4+ 32.Rf4 wins, not with 32.-Qxf4+ 33.Kxf4 h5

28.Kxf2 Qxg4 29.b3 Qd4+ 30.Kg2 Qxd5+ 31.Kh2 -+

May-08-21
Premium Chessgames Member
  drollere: i spent a while on this one. i decided on 26. .. Qh5+, 27. Qg4 Rxf2+, 28. Rxf2 Qxd5+, 29. Be4 Qxd1+, 30. Kf4 Rxe4+, 31. Kg5 Qxg4+ or 29. Kf4 Qd4+, 30. Kg5 Re5+, 31. Kh4 Rh5#. but i could not work out a win from 27. g4.
May-08-21  mel gibson: The first ply is very easy as it's the
only way to check without losing a piece.
The rest is tricky.

Stockfish 13 says:

26... Qh5+

(26. .. Qh5+ (♕h6-h5+ ♕d7-g4 ♖h2xf2+ ♖f1xf2 ♕h5xd5+ ♔f3-f4 ♕d5-d4+ ♔f4-g5 ♕d4xf2 ♔g5-h4 ♖e8-e5 ♔h4-h3 ♖e5-h5+ ♕g4xh5 g6xh5 ♖d1-f1 ♕f2-d4 ♗d3-e2 ♕d4-d7+ ♔h3-g2 ♕d7-d5+ ♗e2-f3 ♕d5xa2 ♖f1-f2 ♕a2-a5 ♗f3-e4 ♔g8-g7 b2-b3 ♕a5-g5 ♖f2-f4 ♕g5-b5 ♗e4-c2 h5-h4 g3xh4 ♕b5-e2+ ♖f4-f2 ♕e2-g4+ ♔g2-f1 ♕g4xh4 ♖f2-g2+ ♔g7-h8 ♖g2-f2 ♕h4-h5 ♗c2xh7 ♕h5-d1+ ♔f1-g2 ♔h8xh7 b3-b4 ♔h7-g6 ♔g2-g3 ♕d1-d4 ♖f2-f4 ♕d4-d3+ ♖f4-f3 ♕d3-d5 ♖f3-f4 f7-f5) +5.04/43 244)

score for Black +5.04 depth 43.

May-08-21  Walter Glattke: drollere sees 27.-Rh3+ 28.Kg2 the Pg4 is guarded by the queen, no Qxg4# so far 28.-Qh3+ 29.Kf4 Rxf2+ 30.Rxf2 Qe3#
Hope, it is right now.
May-08-21  stacase: <mel gibson:
The first ply is very easy ... The rest is tricky>

Ha ha ha ha ha ha! First chuckle of my day (-:

I didn't even consider 27...Rxf2+

May-08-21
Premium Chessgames Member
  Messiah: Terrible!
May-08-21  mel gibson: <May-08-21 stacase: <mel gibson: The first ply is very easy ... The rest is tricky>

Ha ha ha ha ha ha! First chuckle of my day (-:

I didn't even consider 27...Rxf2+>

Neither did I.
That's why I'm not as good as someone like Bobby Fischer. LOL

May-08-21  mel gibson: <May-08-21
Premium Chessgames Member Messiah: Terrible!>

Could you make slightly more detailed responses?

May-08-21
Premium Chessgames Member
  agb2002: Black is a bishop and a pawn down.

White threatens Qxe8+.

The position of white king invites to pursue a direct attack, starting with 26... Qh5+:

A) 27.g4 Qh3+ 28.Kf4 Rxf2+ 29.Rxf2 (29.Kg5 h6#) 29... Qe3#.

B) 27.Qg4 Rxf2+ 28.Rxf2 (28.Kxf2 Qxg4 - + [q vs R+B]) 28... Qxd5+

B.1) 29.Kf4 Qd4+ 30.Kg5 (30.Kf3 Re3+ 31.Kg2 Qxg4 - + [q+p vs R+B]; 30.Be4 Rxe4+ 31.Kf3 Qxd1+ wins even more material) 30... Qxf2 and the threat Re5+ looks difficult to meet.

B.2) 29.Be4 Qxd1+ 30.Re2 (30.Kf4 Rxe4+ wins) 30... f5 seems to end up a pawn ahead while keeping the positional advantage.

C) 27.Kf4 g5+ 28.Kf5 Qf3+ 29.Kxg5 Rh5#.

May-08-21  nalinw: mel gibson: <May-08-21 Premium Chessgames Member Messiah: Terrible!> Could you make slightly more detailed responses?

Why waste time - I have put him/her on Ignore ...

May-08-21
Premium Chessgames Member
  moronovich: Yeah,just put the Bieber clone on ignore.
May-08-21  Refused: Figured it had to be something along the lines of Qh5+ and Rxf2+

Question was a) move order and b) follow up.

I failed to spot Qxd5+ was working after the White queen had been lured away from the d7.

So long story short. I didn't solve this one.

May-08-21
Premium Chessgames Member
  chrisowen: A mapei grout Qh5+ genius axiomed it jezebel arrive goggle ganks wicked its float bumps evict pines in chair quash jury viz its galt win by helms evict praised its bull faints z jaffas evict given Qd7 garcon achtung much its Be4 ghouls evict a ducky evict necky totadd aorta vibrant avid banjo jobsworth evict dabble its garcon acrid mindful pit potential Qh5+ duff?
May-08-21
Premium Chessgames Member
  drollere: <A) 27.g4 Qh3+ 28.Kf4 Rxf2+ 29.Rxf2 (29.Kg5 h6#) 29... Qe3#>

very simple and obvious. i laughed when i read this. like <glattke>, i thought the only way to proceed was something to do with g5+. yet i had spent some time looking at Rxf2+ as the only way to uncork the e3 square.

looked, and pondered, then ignored the resource in a different line. doh!

May-08-21  RandomVisitor: Others have pointed out that 26.Be4 f5 27.Ke2 lets white escape with a draw.

Black could have ended things sooner, as 20...Bxh2 is not best, better is 20...Rh4 followed by Qh5:


click for larger view

Stockfish_21050709_x64_modern:

<41/61 02:13 -4.34 20...Rh4> 21.g3 Qh5 22.Qxa7 Rxh2 23.Qe3 Rh1+ 24.Kg2 Qh3+ 25.Kf3 Rh2 26.Qe4 Qh5+ 27.g4 Qg5 28.Ke2 h5 29.Rh1 Rd7 30.Rxh2 Re7

May-08-21
Premium Chessgames Member
  chrisowen: Qh5 it was in would generally?
May-08-21
Premium Chessgames Member
  chrisowen: Hmm it Qd7 bend - Route sixty six athelete no?
May-08-21  RandomVisitor: 17.d5 is a problem move that sets off a series of complications that end up favoring black. Better would be Rfe1.


click for larger view

Stockfish_21050709_x64_modern:

<65/49 2:11:20 -0.00 17.Rfe1> Bd7 18.Ne4 Rxe4 19.Qxd7 Rxd4 20.Qxb7 Rd8 21.Bc2 Bc5 22.Rxd4 Bxd4 23.Bb3 Qf5 24.Qf3 Qxf3 25.gxf3 Bb6 26.Re7 Rd2 27.Rxf7 Kh8

65/67 2:11:20 -0.00 17.a4 a6 18.Rfe1 Rxe1+ 19.Rxe1 Rd8 20.d5 Bxd5 21.Nxd5 Qxd5 22.Bf1 Qc6 23.Qh4 Qb6 24.Re2 Bc5 25.Qc4 Rd4 26.Qc2 Qd6 27.b3 b6

65/78 2:11:20 -0.11 17.Rde1 Rfe8 18.Rxe7 Rxe7 19.d5 Bxd5 20.f4 Qf6 21.Nxd5 Qd4+ 22.Kh1 Qxd5 23.Qc8+ Kg7 24.Qc4 Qxc4 25.Bxc4 Re4 26.Bd5 Rd4 27.Bxb7 Bxf4

May-08-21
Premium Chessgames Member
  Jimfromprovidence: If 31 Kh4 instead of the text 31 Qf4 I hit a dead end.


click for larger view

I see maybe 31...Re5, hoping for 32...Qh2+.

White has 32 Bf5 or Qc8+ in response.

May-08-21  mel gibson: <May-08-21 nalinw: mel gibson: <May-08-21 Premium Chessgames Member Messiah: Terrible!> Could you make slightly more detailed responses?

Why waste time - I have put him/her on Ignore ... May-08-21
Premium Chessgames Member moronovich: Yeah,just put the Bieber clone on ignore.>

I will give him a chance for redemption first.

May-08-21
Premium Chessgames Member
  perfidious: He is beyond good and evil.
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