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Up Topic The Rybka Lounge / Test Positions / 7 man database
- - By Geazus (*) [au] Date 2016-11-11 08:47
with white to move    yates vs menchik 1929  was a draw in the game   but
Can Black win?
8/2k5/R1b4r/2P5/5K2/8/P7/8 w - - 0 1
Parent - By Fulcrum2000 (****) [gb] Date 2016-11-11 14:03
No, according to the Lomonosov tablebases this is a draw.
Parent - By zaarcis (***) [lv] Date 2016-11-14 10:59
It's draw even without both white pawns.
Parent - By user923005 (****) [us] Date 2017-01-06 00:16
There  is a free app to put on your android that will access the 7 man files.
https://play.google.com/store/apps/details?id=com.convekta.android.lomonosovtb&hl=en
- - By Geazus (*) [au] Date 2016-11-12 04:00
Position from Informant 40 i985  Khadilkar - Muresan 1985

With Black to move what is the result?
8/8/4Qpk1/8/4p2q/8/5P2/5K2 b - - 0 1
Parent - By Fulcrum2000 (****) [nl] Date 2016-11-12 14:51
Draw
- - By Geazus (*) [au] Date 2016-11-12 04:07
Position from Informant 40 i985  Seret - Adorjan  Luzern 1985

With Black to Move, can white draw?

8/8/3B3k/6pp/8/3BK3/r7/8 b - - 0 1
Parent - By Fulcrum2000 (****) [nl] Date 2016-11-12 14:52
Yes
- - By Geazus (*) [au] Date 2016-11-12 04:37
Is there  a win for Black?   Emanuel  Lasker - Edward Lasker NY 1924
This position was reached after 80 moves and it is White to move.

8/r7/8/2k3P1/4KP2/1p6/8/3N4 w - - 0 1
Parent - By Fulcrum2000 (****) [nl] Date 2016-11-12 14:54
With white to move it's a draw, with black to move it's a mate in 16 for black.
- - By Geazus (*) [au] Date 2017-01-01 22:52
Sourced from the Complete Manual of Positional CHESS.
with White to move

Korobov - Durarbeyli   Baku 2012

Does white win or Black?
Please give a sample of the winning line.

4k3/5pp1/8/4P1K1/1q6/4Q3/8/8 w - - 0 1
Parent - By Vinvin (***) [be] Date 2017-01-02 18:32
Black wins (mate in 66).
1. Qf2 Qe7+ 2.Kf5 g6+ ...
- - By Geazus (*) [au] Date 2017-01-03 05:00
Source  Shakmatty magazine 11/1971
Pshibl vs Radev
with Black to move (42nd move)eventually sacrificed his rook and drew on move 88.

Can white win with Black to move?   Please show a variation. Thankyou

8/2B2k2/8/8/r5P1/6PK/5P2/8 w - - 0 1
Parent - By irulats (****) [ie] Date 2017-01-05 23:24
White wins in 38. g5 or f4
Up Topic The Rybka Lounge / Test Positions / 7 man database

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