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Copyright 1991,1996, 1997, 1998 John Richard Coffey.
If you find any errors, then please let me know.- John.
Please use the links below to center the problems, find the solution, and to advance to the next problem.
5B0041
[solution]
_____
5B0042
[solution]
[Next]
5B0043
[solution]
_____
5B0044
[solution]
[Next]
5B0041
1. ... Nxe4 with a crushing attack.
if 2. cxd4 then
Nxg3+ winning the rook. If 2.
Qxg4 then Nf2+. If 2. dxe4 then
Rxe4+ 3.
Be2 Rxe2+ 4. Kf1 Qd1+ 5. Qe1
Qxe1 mate
_____
5B0042
1. ... Re1+ 2. Kg2 (not 2. Kf2 Qe2
mate) 2. ...
Qe2+ 3. Rf2 Qe4+ 4. Rf3 (4.
Kh2 Qh1 mate) 4. ... Re2+ forces
the king to
move away from his rook. So
then 5. ... Qf3
5B0043
Although Be3+ wins the knight,
better is
1. ... Rg8+ 2. Kf2 (if 2. Kh1 Bg2+
3. Kg1 Bxf3+ attacks the rook.)
2. ... Bg3+ 3. Kg1 Bf4+ 4. Kf2
Rg2+ 5. Kf1 Rd2+ wins the rook.
_____
5B0044
1. ... Be6+!! stops the pawn from
queening. (Black missed this and
lost.) 2. Kxe6 (no good is Kf8)
Kxg7 and the f4 pawn queens on move
5. White can delay with cxd6 cxd6
but it doesn't matter
5B0045
[solution]
_____
5B0046
[solution]
[Next]
5B0047
[solution]
_____
5B0048
[solution]
[Next]
5B0045
The best way to win this is 1. ...
Kf8!!! (amazing) where black
threatens 2. ... Nxg3+! So if now
2. Qxa8+ Ke7 and not only is the
queen threatened, but so is 3. ...
Nxg3+ leading to mate on move 5.
_____
5B0046
1. ... Qe4 and the double threat of
Qxg6 and Qxc2+
is deadly. 2. Rg1 Qxc2+ 3.
Ka1 Qc3+ 4. Kb1 Qd3+ 5. Ka1 Qd4+
wins. If
the King goes to the second rank
then Rf2+ is deadly. If 5. Kc1
Qe3+
wins.
5B0047
1. ... h3+ 2. Rxh3 Qxf3 + 3. Kxf3
Rxh3
wins at least the exchange.
If instead 2. Kxg3 Rdg8+ 3. Kf2
Rg2+ wins more than that.
The alternative 3. Kf4 is suicidal
after Rh4+
4. Qg4 R4xg4+ 5. Kf5 Qe6 mate.
_____
5B0048
The trick to mating the white king
is to bring him
closer to the black pieces. So
1. ... Ne5+ 2. Kxc5 Qe3+ and now
3. Rd4
Ba3+ 4. Qxa3 Qxa3+ 5. Rb4 Qxb4
mate. If instead 3. Kd6 then Rd8+
mates
next move.
5B0049
[solution]
_____
5B0050
[solution]
[Next]
5B0051
[solution]
_____
5B0052
[solution]
[Next]
5B0049
1. ... Qh3!! threatens the pawn on
f3 and threates to play 2. ... Rg2.
At any point white can delay
things a move with Rg7?! but play
might proceed 2. Rg1 Rxg1+ 3. Kxg1
Rg8+ 4. Kh1 and now both Ng3+
and Qxf3+ mate on move 5.
_____
5B0050
Black wins by move 5. by going
after the pawn on a5. He plays
Kb6 and then Ka5. White can't
caputre the c6 pawn or play Kd6
because
black plays e4! and wins. If
white tries do defend the a5 pawn
then e4!
wins anyway.
5B0051
1. ... g5 and white can't avoid g4.
If the knight
on f3 moves then it is still g4
winning the knight on h3.
If 2. Ne5 Qc7
and now if 3. Ng6 Rf6 4. Qh5
Kg7 and the knight has run out of
squares and will drop on move 5.
_____
5B0052
The game continued 1. ... Rxf2 2.
Qxf2 g3 3. Qf5+
Qxf5 4. exf5 gxh2 5. Kxf2 Rg4
forks the pawns and looks like a
won
endgame to me. If 3. Qe1 (to
protect h4) gxh2 4. Kxh2 Rg4 5.
Kh3 Rf4 is
a little better for black
5B0053
[solution]
_____
5B0054
[solution]
[Next]
5B0055
[solution]
_____
5B0056
[solution]
[Next]
5B0053
1. ... Ne4+! and now if 2. Kh1?
Qxh2+!!! 3. Kxh2 Rg2+ 4. Kh1 Ng3
mate. If instead 2. Kf1 Rg1+!!!
and now 3. Bxg1 Nd2 mate, so
instead 3. Kxg1 Qg5+! 4. Kf1 Qg2+
5. Ke1 Qe2 mate. How many people
can see this problem all the way
through?
_____
5B0054
This is complicated. At some
points white can sac material to
delay mate but the result is the
same. 1. ... Ne4+ and 2. Kh1 or
Kf1 then Qh3 fores mate. 2. Kf1
Qh3 3. Ke1 Qxf3! 4. Qf2 or Bf2
Rg1+ 5. Bxg1 Nd3 mate! If U can C
this, U master.
5B0055
1. ... Ne5+ 2. Kxe5 Nc6+ (the
idea was just to get
the pawn out of the so as to
open lines to the king.) 3. Kd3 or
Kd5 and
then Qd8+ 4. Kc5 Qd4+ 5. Kb5
Qb4 mate. If 3. Kc4 then Be6+
forces
mate. If 3. Kc3 then Qf6+
forces mate.
_____
5B0056
I don't recommend cxb4 although it
might win but it requires black to
retreat his king to stop the pawn
on c4. Much more to the point is
1. ... h3! (or d3!) and the pawn
will queen with check. If 2. Kg3
d3!
3. Kf3 h2 4. Kg2 d2 queens on
move 5.
5B0057
[solution]
_____
5B0058
[solution]
[Next]
5B0059
[solution]
_____
5B0060
[solution]
[Next]
5B0057
If white can play g6 here he wins,
so to prevent
that play 1. ... hxg5 2. hxg5
g6! locks out the white king. If
then 3.
fxe6 fxe6 4. g3+ Kc5 (also
interesting is Kc3) 5. Kf4 (He has
run out of
delaying moves) Kd5 wins the
pawn and the game.
_____
5B0058
the position looks difficult for
Black. But he can do well with 1.
... Rd2!
and now the best line is 2. Qxd2
Rxd2 3. Bxb7 cxd5 and it looks
like
white has two pieces hanging, but
he can play 4. Nf3! so now Rxe2
5. Bxa6 Ra2! and Black wins a pawn
and has the better game.
5B0059
Although black can win with 1. Rf2+
Rxf2 2. Qxf2+
and 3. Qxf6 and 4. Rg8, Black
might as well play for mate because
of the
exposure of the White king.
There may be more than one way to
get mate,
but it probably has to start
with 1. ... Qd2+ 2. Ke4 (Not 2.
Kf3 Qe2+
3. Kf4 Rg4 mate.) 2. ... Qe2+
3. Kd4 Qd3+ 4. Ke5 Qe3+ 5. Kd6
Qc5 mate.
_____
5B0060
1. ... Nxe4 wins at least a pawn.
If 2. Nxe4 Nxd4
gets the piece back. If then 3.
c3 Nxe2+ etc. But this can get
trickier
than that. If 2. Nf5 Nxc3! and
now 3. Bxb6 Nxd1 4. Nxg7 axb6 5.
Rxd1
Kxg7 wins. If instead 3. bxc3
Qa5 4. Nxg7 white has won a pawn
and
can win another with 4. ... Qxc3
because the knight on g7 has
nowhere
to hide.
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