Author: Richard Pijl
Date: 10:42:22 01/05/05
Go up one level in this thread
On January 05, 2005 at 12:32:33, José Antônio Fabiano Mendes wrote:
> Ernest Pogosyants, 1973 White to play and win
> [D]6k1/5Np1/4n3/2Qq2PK/8/8/8/8 w
>The black queen is ‘protected’ by a knight fork (on f4) - but only as long as
>the forking knight is not pinned, for instance if White’s knight were not on the
>board.
>
>1. Nh6+! Kh7! 2. Qc2+ Kh8 3. Qc8+ Nf8. Or 3...Nd8 4. Qxd8+ Qxd8 5. Nf7+. By
>interposing the knight on f8 Black covers g8 with his queen. Now both players
>have offered knights that were obstructing their own side. 4. Qxf8+ Kh7 5.
>Qg8+!! The White pawn is pinned, and it’s worth a queen to get it moving!
>5...Qxg8 6. g6+ Kh8 7. Nf7+ Qxf7 8. gxf7 g6+ 9. Kh6! wins, avoiding 9. Kxg6
>stalemate.
>
>Source ==> http://www.chesscafe.com/endgame/endgame.htm
Easy for the Baron (P4-2.4):
ply time nodes score pv
6(15). 0:00.11 12769 +3.59 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 (Nf7xd8
)
7(15)& 0:00.22 28429 +3.57 Nf7-h6 Kg8-h8 Qc5-c8 Ne6-d8 Qc8xd8
Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8 Kg8-h7
7(15). 0:00.22 34619 +3.57 Nf7-h6 Kg8-h8 Qc5-c8 Ne6-d8 Qc8xd8
Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8 Kg8-h7
8(21)& 0:00.44 52822 +3.72 Nf7-h6 Kg8-h8 Qc5-c8 Ne6-d8 Qc8xd8
Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8 Kg8-f8 Nd8-c6
8(21). 0:00.55 64313 +3.72 Nf7-h6 Kg8-h8 Qc5-c8 Ne6-d8 Qc8xd8
Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8 Kg8-f8 Nd8-c6
9(16)+ 0:00.72 68966 +6.43 Nf7-h6 (Kg8-h8) (Qc5-c8) (Ne6-d8) (Qc8xd8)
(Qd5xd8) (Nh6-f7) (Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
9(19). 0:00.77 79529 +8.88 Nf7-h6 (Kg8-h8) (Qc5-c8) (Ne6-d8) (Qc8xd8)
(Qd5xd8) (Nh6-f7) (Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
10(16)+ 0:00.82 84646 +13.55 Nf7-h6 (Kg8-h8) (Qc5-c8) (Ne6-d8) (Qc8xd8)
(Qd5xd8) (Nh6-f7) (Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
10(18)+ 0:00.88 93676 +19.45 Nf7-h6 (Kg8-h8) (Qc5-c8) (Ne6-d8) (Qc8xd8)
(Qd5xd8) (Nh6-f7) (Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
10(19)& 0:06.21 772956 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
(Ne6-d8) (Qc8xd8) (Qd5xd8) (Nh6-f7)
(Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
10(20). 0:08.46 1358985 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
(Ne6-d8) (Qc8xd8) (Qd5xd8) (Nh6-f7)
(Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
11(20)& 0:12.30 1998607 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
(Ne6-d8) (Qc8xd8) (Qd5xd8) (Nh6-f7)
(Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
11(21). 0:15.49 2830224 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
(Ne6-d8) (Qc8xd8) (Qd5xd8) (Nh6-f7)
(Kh8-g8) (Nf7xd8)
(Kg8-f8) (Nd8-c6)
12(23)& 0:28.40 5166887 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
12(23). 0:34.77 6831003 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
13(24)& 1:09.32 14050249 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
13(27). 1:21.89 17516658 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
14(26)& 2:40.66 35489436 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
14(28). 3:05.43 42049933 MATE20 Nf7-h6 Kg8-h7 Qc5-c2 Kh7-h8 Qc2-c8
Ne6-d8 Qc8xd8 Qd5xd8 Nh6-f7 Kh8-g8 Nf7xd8
(Kg8-f8) (Nd8-c6) (g7-g6)
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