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1. d1=Q+! 2. Kxd1 Kd3! anything next move, then 3.e2+ 4.Kel Bd2+ 5.Kf2 and el=Q+ wins.
1…d1=Q+ 2.Kxd1 Kd3 Now White can’t stop e pawn from queening. Whatever White move, 2…e2 3…Bd2 4…e1=Q
1…d1=Q 2. Kxd1 Kd3 and white must suffer decisive material loss to avoid the queening of the e3 pawn. (The only thing black must take care of is not to blunder into a drawnn bishop+rook pawn ending!
1. . . . d1 (Q+)
1. K x Q Kd3
3. Ke1 e2
And thus the inevitable end comes with the pawn promotion.
d1Q Kxd1 Kd3 threatening e2+ and Bd2
1. … d1=q+
2. Kxd1 Kd3
3. Bc3 Kxc3
4. Ke2 Now black needs to take alittle care.
4. … Kxc3 loses because after 5. a5 white queens the a-apwn
But
4. … Bg5 wins as black can get back in time to d8 to stop the a-pawn. Black will lose the e-pawn but his bishop can look after the g&h pawns for a win.
Hi Susan Polgar,
Ref:”Endgame improvement”[Black to move]
Sub:Black wins the game.
1. .. d1(Q)+
2. K*d1 Kd3
3. a5 e2+
4. Ke1 Bd2+
5. Kf2 e1(Q)+
Then its fairly simple for the White to win the game,from here on.
By
Venky[Chennai – India]
I spent some time looking at
1… Bf8
2. Bc3 Bc5
3. b4 Bd4
4. Bxd2 {Bxd4 loses} exd2
5. Kxd2 Kd5
6. Kd3 Bg1
7. h3 Bf2
8. g4 g5
9. Ke2 Bg1
10. h4 gxh4 {h6 doesn’t work either}
11. gxh4 Kf1
but realized that the White king can simply reach h1, and never be forced out, so that
Black never promotes a pawn. Bummer.
Then it finally dawned on me that Black can win with:
1… d1=Q+
2. Kxd1 Kd3
3. (just about any White move) e2+
4. Ke1 Bd2+
Lucymarie
after considering several rather complicated ideas, i`ll suggest a simple one:
1. … d1Q+
2. Kxd1 Kd3
threatening e2+, Bd2+ and e1Q+ subsequently. it seems white has to give up at least the bishop and black can keep the advanced passed pawn, it`s a win. jan
d1=Q+after Kd3 and e2,Bd2#
d1=Q+afterK.d1 Kd3 and e2,Bd2
My first thought is
1…d1=Q+
2.Kxd1 Kd3
after which White must find counters to …e2 then …Bd2.
1…d1/Q+ 2.Kxd1 Kd3 and 3..e2 and 4…Bd2+ cannot be prevented !
@RU:
I agree with you that (1) the critical line is:
“
1. … d1=q+
2. Kxd1 Kd3
3. Bc3 Kxc3
4. Ke2 Now black needs to take alittle care.
“
And (2) I agree with you that 4. … Bg5 is the best move. But I don’t think 4. … Kxc3 loses as you say. I think this line is merely a draw (not what black wants, but it’s still an interesting line)with best play.
Let’s look at the following line:
4…Kxc3
5.a5 Bf8
6.Kxe3 Kb4
7.a6 Bc5+
8.Ke4 Kb5
9.Kd5 Bg1
10.Ke6 Kxa6
11.Kf7 Bxh2 12.g4 [12.Kg7 Bxg3 13.Kxh7 g6, etc. black wins]..Bd4 13.Kg8 h5 14.xh5 xh5
OR (the drawing line):
11.h3 Bd4 12.Kf7 g5 13.Kg8 h5 14.h4! xh4 15.xh4 Bf6 16.Kh7 Bxh4 17.Kh6 (getting the black pawn)
John, you are right, I missed 5… Bf8 in the 4…Kxc3 line.
I have too many blinds spots!