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Pontus Carlsson vs Ioannis Papaioannou
European Team Championship (2007), Heraklion GRE, rd 3, Oct-30
Scandinavian Defense: Main Lines. Mieses Variation (B01)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Nov-07-07  Elxiddicus: Fantastic game by Carlsson. He had an amazing tournament, playing in every round without one loss. This game gave him +6.3 Elo points, and over all he gained 24.7 elo.
Mar-25-17  Tiggler: I saw everything up to 30.Ba7+, though I missed 28...Ra5, which would have saved black from the worst.
Mar-25-17  RandomVisitor: 27.Rh1 deserves a look, along with 27.a3
Mar-25-17  ChessHigherCat: Unless I'm missing something (which wouldn't surprise me): 27. Bxe6 fxe6 28. Qxe6 attacking the Rook and threatening 29. Qe8+ Qf1 30. Bxa7+, winning the Q. The only way to parry both those threats is 28..Re5 29. Bxe5: if 29...Qxe5 30 Qxe5 wins the N on d7 or if 29...Nxe5 then "Tilt"...see what you guys have to say
Mar-25-17  ChessHigherCat: Aha, I overlooked 31. ...Kc7 which complicates everything to the Nth degree.
Mar-25-17  RandomVisitor: Quick computer look


click for larger view

Komodo-10.1-64bit:

<+0.98/31 27.Bxe6 fxe6 28.Qxe6 Ra5> 29.Bc3 Ra6 30.Qxd7 Qxd7 31.Rxd7 Bf4 32.Rf7 Be5 33.Bxe5+ fxe5 34.a3 Rh6 35.Kc1 Rh1+ 36.Kd2 Ra1 37.Kd3 Ra2 38.Kc3 Ra1 39.Kb4 a6 40.b3 Ka7 41.a4 Rd1 42.a5 Rd2 43.c4 Rd3 44.Re7 Rd2 45.Rxe5 Rxf2 46.Re6 Rh2

+0.84/31 27.a3 Qc8 28.c3 Bf8 29.Be3 Nb6 30.c4 Qc7 31.Bc2 Ra5 32.Bd3 Bd6 33.Rh1 Bf4 34.Qd2 Bxe3 35.Qxa5 Bxf2 36.Rh8+ Nc8 37.Qh5 Bd4 38.Rf8 Qb6 39.b4 Be5 40.c5 Qc6 41.Qd1 a5 42.Rd8 f5 43.Qe1 Qc7 44.Rg8 axb4 45.axb4 Ka7

+0.67/31 27.Rh1 Bf8 28.c3 Qc6 29.Qd1 Rg5 30.Rh7 Rg7 31.Rh8 Rg6 32.Be3 Kc7 33.Bc2 f5 34.Bf4+ e5 35.Rxf8 Nxf8 36.Bxe5+ Kc8 37.Bxf5+ Nd7 38.Bg3 Rg8 39.b3 a5 40.Bf4 Re8 41.Be3 Re5 42.Qg4 Kc7 43.Kc2 Re7 44.Qd4 Re8 45.Kb1 Qd6 46.Qc4+ Qc6 47.Qxf7 Re5 48.Bxd7

Mar-25-17  Walter Glattke: 41.-Rh8 42.Qxa7+ Qxa7 43.Bxa7 Kxa7
were 3 pawns for White, and won ending.
Mar-25-17  yadasampati: Intuition did it again. Bxe6 came into my mind in a few seconds, with Bxa7+ somewhere in the continuation. The breaking down of blacks pawn structure and the initiative it creates were enough for me to go for it.
Mar-25-17
Premium Chessgames Member
  al wazir: I missed 29. Qe8+. I wanted to play Bxa7+ instead, but it's premature.

Doesn't 39. Kc1 also win? The black ♕ can't leave the rank because of 40. Qa7#. If 39...Qe7, then 40. Bxe5 fxe5 41. Rd8+. If 39...Qb7, then white just trades down to an easy ♖ ending.

Mar-25-17  Doniez: That was and amazing attack and I got moves intermittently but had the perception of the main line to play. Great game by Carlsson. By the way, without reading the name of the players one could think that Carlsen was playing white!
Mar-25-17  WorstPlayerEver: I went for 27. Rh1
Seems to be winning.
Mar-25-17  gofer: Black's rook has gone walk-about with no way to defend its own back rank or attack its opponents. White can quickly exploit not only the weak rook, but also black's undefended back rank.

<27 Bxe6 ...>

White threatens Bxd7 and Bxf5 winning, so there is no choice but to accept the sacrifice.

<27 ... fxe6>
<28 Qxe6 ...>

A reloader of sorts. White has designs on Rf5, but also black's weak back rank. Black must find a safe square for the rook; a5 (protecting against Bxa7+) and b5 (protecting against Bb6+ at some point) are the only sensible choices anything on the king-side is just ignoring all white's threats!

28 ... Rg5/Rh5
29 Qe8+ Qc8
30 Bxa7+ Kc7
31 Qe7

<28 ... Ra5>


click for larger view

<29 Be3 ...>

Nothing flashy, simply reveal another attack!

29 ... Bxe3
30 Rxd7 Qc8
31 Qd6+ Ka8
32 Rd8

29 ... Re5
30 Qg8+ Bf5
31 Bf4!

Okay the rest is beyond me, doesn't look much more than a pawn available, so we have gone from a pawn down to a pawn up, but that's pretty okay...

~~~

Hmmm, okay black played <28 ... Rf3> which seems to be a bad idea. Not only does keep the rook on a lousy closed file (in both directions), but it also massively restricts its mobility of the rook, due to the rank chosen, making it an easy target.

Mar-25-17  sfm: Great resistance to the very end. Cute little trick with 38.-,Qd7. People give up much too early. I have probably won 15% of my "hopeless positions" over time. And 85% of my "decisive advantages". It adds up to that it is 100% certain that fighting pays.
Mar-25-17  The Kings Domain: Missed this one, I thought 27) Rh1 was the winner. Deep and impressive puzzle and a striking victory.
Mar-25-17  Walter Glattke: To the question of 39.Kc1 I found 39.-Qa4?? 40.Bxe5! but also 39.-Nd3+ 40.cxd3 Qc8+, may win for White, but 39.Bd6 should be better, threatens Qc8#
Mar-25-17  Walter Glattke: I had a mistake with the final 1-0 Position,what happened after 42.Rg1!? WHY? 1-0. 42.-Rh8 43.Qd3 f5, where is the mate here?
Mar-25-17  RandomVisitor: Longer computer look... 27.a3 is a surprise


click for larger view

Komodo-10.1-64bit:

<+1.00/38 27.Bxe6 fxe6 28.Qxe6 Ra5 29.Bc3 Ra6> 30.Qxd7 Qxd7 31.Rxd7 Bf4 32.a3 Be5 33.Bd2 Rd6 34.Rxd6 Bxd6 35.c4 Kc7 36.Kc2 Kc6 37.Kd3 f5 38.b4 b5 39.Kc3 a6 40.Kb3 Be5 41.Bc3 Bc7 42.Bd4 Bf4 43.a4 bxa4+ 44.Ka3 Bd6 45.Kxa4 Bc7 46.f3 Kd6 47.Bc3 Ke6 48.Kb3 Kd6 49.Bf6 Kc6 50.Bd4

+0.90/38 27.a3 a6 28.Rh1 Bf8 29.Rh7 Bc5 30.Bxe6 Rg5 31.Bxc5 Nxc5 32.Bxf7 Re5 33.Qc4 Re4 34.Qd5 Re2 35.f3 Re7 36.Rh8+ Ka7 37.Bg6 Rd7 38.Qc4 Rg7 39.Rh7 Rxh7 40.Bxh7 Qe5 41.Qb4 f5 42.Bg8 Qd6 43.Qc4 Nd7 44.Qd5 Qxd5 45.Bxd5 b5 46.Ka2 Nf6 47.Be6 f4 48.Kb3 Kb6 49.Kb4 a5+ 50.Kc3 Kc5 51.Kd3

+0.56/38 27.c3 Bf4 28.Rh1 Qd8 29.Qe4 a6 30.a3 Bc7 31.Rh7 Nc5 32.Bxc5 Rxc5 33.Rxf7 Re5 34.Qh7 Re2 35.Rd7 Qc8 36.Rg7 Rd2 37.f3 Bd8 38.Qe4 Rd6 39.Rg8 Qd7 40.f4 Ka7 41.Ka2 Rb6 42.Rf8 Be7 43.Rf7 f5 44.Qe5 Qd8 45.Qd4 Qxd4 46.cxd4 Bh4 47.d5 exd5 48.Bxd5 Bf2 49.Bf3 Be3 50.Rxf5 Rh6

Mar-25-17  SpamIAm: <Walter Glattke>, methinks that black simply had had enough. There's no mate but after 42.Rg1 Rh8 White simply plays 43.Bc5 followed by 44.Qa7+, simplfying to an easily won rook endgame 3 pawns up. That was the real purpose of 42.Rg1- unpinning the bishop.
Mar-25-17  Carlos0012358: Black is one pawn up and has a N for a B. However, black's K is trapped behind a wall of pawns and pieces.

How to get around the black blockade and attack the K?

Two approaches
27.Bxe6 creating an opening for the white Q
or 27.Rh1 attacking the black B and circumventing black's blockade

I would say 27.Bxe6 is the better approach

Mar-25-17
Premium Chessgames Member
  PawnSac: < RandomVisitor: Longer computer look... 27.a3 is a surprise >

the idea is not a surprise, as is seen from the game continuation a good portion of black's defense/counter is based on the relative weakness of white's back rank.

what surprises me is that in the overall picture the computer gives the better eval to the seemingly passive move!

Oh the irony of it all ... lol

Mar-25-17  morfishine: White is relentless against his squirming foe

Seems like a number of lines offer sustained initiative

*****

Mar-25-17  agb2002: White has the bishop pair for a bishop, a knight and a pawn.

The first idea that comes to mind is 27.Bxe6, trying to exploit the position of the black rook and Black's weak back rank:

A) 27... fxe6 28.Qxe6

A.1) 28... Ra5 29.Bc3 (a nice line is 29.Bb6 Qxb6 30.Qe8+ Kc7 31.Qxd7+ Kb8 32.Qe8+ Kc7 33.Qd8+ Kc6 34.Qd7+ Kc5 35.Qd5+ Kb4 36.c3+ Ka4 37.Qc4+ Qb4 38.Qxb4# but Black has 29... axb6)

A.1.a) 30... Ra6 31.Qxd7 wins a pawn at least.

A.1.b) 30... Rh5 31.Qe8+ Qc7 32.Qxh5 + - [R+P vs n].

A.1.c) 30... Rc5 31.Rxd7 with an extra pawn and the threats Rxc7 and Qe8+ looks winning (31... Qc8 32.Qd6+ followed by 33.Rd8 wins).

A.2) 28... Rb(g,h)5 29.Qe8+ Qc8 30.Bxa7+ Kxa7 31.Qxc8 + - [Q+P vs b+n].

A.3) 28... Qf4 29.Qxd7 wins a pawn at least.

B) 27... Rf4 28.Bxd7 wins a piece (28... Qxd7 29.Bxa7+ and 30.Rxd7).

Mar-25-17  agb2002: I probably overlooked Kc7 due to the residual image with the black queen on c7.
Mar-25-17  newzild: A very easy Saturday. I saw everything up to 38. Bb8.
Mar-25-17
Premium Chessgames Member
  PawnSac: PawnSac: < newzild: A very easy Saturday. I saw everything up to 38. Bb8. >

likewise, but instead of Bb8;

< 38. ? white to move >


click for larger view

In this position there is nothing wrong with Qxf6 Nc6 Be3

Black's goose is cooked. There's no need to get fancy. So i was wondering why he play it? It's easy to see the trap Qxb8? Qa6+ Qa7 Rd8# So after Bb8 Nc6 Bf4 white can guard the back rank with a Bc1 so that frees the Rook, but still Qxf6 does win a pawn. maybe black was low on the clock before time control and white complicated so black would implode?? (we don't have the time stamps)

In any event, interesting game.

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