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Subject: Re: Endgame - Testposition

Author: Sune Larsson

Date: 14:08:28 11/29/01

Go up one level in this thread


On November 29, 2001 at 17:03:41, Ernst Walet wrote:

>Result of Fritz7.002.
>
>Ernst.
>
>New position
>4b3/5k2/2p1p1p1/1pP2pP1/pP2PP2/P4B2/4K3/8 w - - 0 1
>
>Analysis by Fritz 7:
>
>1.Ke3 Ke7 2.Kd4 Kd7 3.e5 Bf7 4.Bg2 Bg8 5.Bh1 Bf7 6.Bf3 Bg8 7.Bg2
>  +-  (1.54)   Depth: 13/18   00:00:00  234kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.e5 Bf7 4.Bg2 Bg8 5.Bh1 Bf7 6.Bf3 Be8 7.Bg2
>  +-  (1.47)   Depth: 14/22   00:00:00  340kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.e5 Bf7 4.Bg2 Bg8 5.Bh1 Bf7 6.Ke3 Bg8 7.Bg2
>  +-  (1.54)   Depth: 15/20   00:00:00  556kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4 Kf7 6.e5 Be8 7.Bh1 Bd7 8.Bf3
>  +-  (1.57)   Depth: 16/22   00:00:01  1024kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4 Kf7 6.e5 Be8 7.Bf3 Ke7 8.Ke3
>  +-  (1.47)   Depth: 17/29   00:00:02  1832kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4 Kf7 6.e5 Be8 7.Bf3
>  +-  (1.47)   Depth: 18/26   00:00:04  3085kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 19/27   00:00:07  5085kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 20/30   00:00:13  8814kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4 Be8 6.Bh1
>  +-  (1.50)   Depth: 21/32   00:00:19  13461kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4 Be8 6.Bh1
>  +-  (1.50)   Depth: 22/32   00:00:28  19786kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 23/38   00:00:49  34882kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 24/36   00:01:16  54223kN
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 25/42   00:02:12  94659kN, tb=2
>1.Ke3 Ke7 2.Kd4 Kd7 3.Ke5 Ke7 4.Bg2 Bd7 5.Kd4
>  +-  (1.47)   Depth: 26/38   00:03:05  132457kN, tb=3
>
>(Celeron Tualatin 1,2 GHz, 833MB hash, 3, 4 and 5 piece EGTB's 29.11.2001)


  King on e5 yeah, but can Fritzy win it?


>
>
>On November 29, 2001 at 16:11:14, Sune Larsson wrote:
>
>>
>>  [D]4b3/5k2/2p1p1p1/1pP2pP1/pP2PP2/P4B2/4K3/8 w - - 0 1
>>
>>  Andersson 2625 - Gisbrecht 2405, Bundesliga 1999
>>
>>
>>  Yup, a little endgame with bishops of the same colours. White has a great
>>  square for the king on e5, so every try to push the pawn to this square
>>  is no good, of course. Classical one where black has his pawns on the "wrong"
>>  squares. White wins but the real class is getting here in the first place...
>>
>>
>>  Test: White to move and wins.
>>
>>
>>[Event "Bundesliga"]
>>[Site "?"]
>>[Date "1999.??.??"]
>>[Round "?"]
>>[White "Andersson, Ulf"]
>>[Black "Gisbrecht, Ewgeni"]
>>[Result "1-0"]
>>[WhiteElo "2625"]
>>[BlackElo "2405"]
>>[Annotator "Larsson"]
>>[SetUp "1"]
>>[FEN "4b3/5k2/2p1p1p1/1pP2pP1/pP2PP2/P4B2/4K3/8 w - - 0 1"]
>>[PlyCount "19"]
>>[EventDate "1999.??.??"]
>>
>>{White has the better bishop and advantage in space. The white king has an
>>excellent square in e5.} 1. Ke3 Ke7 2. Kd4 Bd7 3. Ke5 Be8 {Black's passive
>>plan is to keep the king on e7, followed by bishop moves to f7-g8 or d7-c8.} 4.
>>Be2 $1 Bd7 5. Bd3 $1 Bc8 {After 5.-Be8 white wins nicely with 6.Bb1 Bf7 7.Ba2
>>Bg8 8.exf5 gxf5 9.g6! zugzwang. Also 5.-fxe4 6.Bxe4 Be8 7.Bf3 Bd7 8.Bg2 Be8 9.
>>Be4 ends up with zugzwang.} 6. Bc2 Bd7 7. Bb1 Bc8 8. Ba2 $1 {
>>The point of white's bishop manouver.} 8... Bd7 9. exf5 exf5 {
>>After 9.-gxf5 white wins with 10.g6.} 10. Bg8 $1 {White's bishop enters
>>black's position. After 10.-Kf8 11.Kd6 wins. If 10.-Be8 11.Be6.  And after 10.
>>-Bc8 could follow 11.Bh7 Kf7 12.Kd6 Kg7 13.Bxg6 Kxg6 14.Kxc6 with an easy win.}
>>1-0
>>
>>Sune



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