White move. Find the best continuation for White!
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1. Rxd7 Qxd7
2. Qb6+ Kb8
3. Bf4+ Kc8
4. Be6 1-0
sorry. move 4 is wrong.
1. Rxd7 Qxd7
2. Qb6+ Kb8
3. Bf4+ Kc8
4. Rxe7 1-0
First move may be
1. Bxa6 Kb8
1.Rxd7 Qxd7 2.Rg8+! Rf8 3.Bf4+ Kc8 4.Be6 etc
1.Rxd7 Qxd7
2.Rg8+ Bf8
can stop that attack I think, although I was working along the same line of thought for a while.
turkchess, how about
1. Rg8 Bf8 (Rf8 Qb6+ Nxb6 Pxb6+ Kb8 Bf4+ Kc8 Be6# or 1..Nf8 Qb6+ Kb8 Bf4+ Bd5 Bxd5+- or Qh5 Qb6+ Nxb6 pxb6#) as an interesting starting point
1.Rxd7 Qxd7 2.Rg8+! Rf8 3.Bf4+ Kc8 4.Be6
seems to work as anonymous said. Note that TylerB’s 2…Bf8 doesnt work for black after:
3.Bf4+, Kc8; 4.Rxf8, Rxf8; 5.Be6
I suspect 1.Bxa6 is also very strong, but no need to look further than the above line.
And note that the latest anonymous with 1.Rxd7, Qxd7; 2.Bf4 leaves black with options, such as Bd8 and white probably only has Qb6+ getting a piece back but leaving him an exchange behind
Rxd7, Qxd7
Qb6+, Kb8
Rg8+, Bd8
RxB+, QxR
QxQ+, Ka7
Qb6+, Kb8
Bf4+, Ne5
Bxe5+, Rd6
Bxd6+, Kc8
Qc7#- checkmate, 1-0
Rxd7, Qxd7
Qb6+, Kb8
Rg8+, Bd8
RxB+, QxR
QxQ+, Ka7
Qb6+, Kb8
Bf4+, Ne5
Bxe5+, Rd6
Bxd6+, Kc8
Qc7#- checkmate, 1-0
my bad for repeating myself……
1. Rxd7 Qxd7 forced or mate to follow
2. Qb6+ Kb8 forced
3. Bf4+ Kc8 Black sacrifices on d6 seem to all lead to mate, but I haven’t checked them all
4. Rg8+ Bf8
or …Rf8 5. Be6 Bd8 6.Rxf8 and the two pins allow Qc7#
5. Be6! Idea to deflect both the Rook and Queen away from c7 to mate Black! The pin forces a capture or Qc7#
… Rxe6
6. Rxf8+ Qxe8
7. Qc7#
1. Rxd7 Qxd7 2.Qb6+ Kb8 3. Rg8+ Bd8 (3…Rf8 4.Bf4+ Kc8 5. Be6 Ne5 6.Bxe5 Bd8 7.Rxf8 Ra7 8.Rxd8#) 4.Rxd8+ Qxd8 5.Qxd8+ Ka7 6.Qb6+ Kb8 7.Bf4+ Ne5 8.Bxa6 Kc8 (8…Rxa6 9.Bxe5+ Rd6 10.Bxd6+ Ka8 11.Qd8+ Ka7 12.Qb8#)10.Bxe5 Rf7 11.Bxb7+ Rxb7 (11…Kd7 12.Qxc6+ Ke7 13.Qd6+ Ke8 14.Bc6+ Rd7 15.Qxd7+ Kf8 16.Qg7#)
12.Qxc6+ Kd8 13.Qxb7 and quick mate up to 4 moves
Yes, better 7.Bxe5+ with mate in 2 moves a la Bryce.
My first move is Bf4.
The second move is likely to be Bc7.
And then the fireworks begins.
1. Rd7 Qd7
2. Qb6+ Kg8
3. Bf4+ Kc8
4. Rg8+ Bf8
5. Rf8+ Rf8
6. Be6 1-0 ?
Actually my line doenst work because of Bd8 instead of Bf8. Bf4 must be wrong and 3. Rg8 is right. I ll try to figure out now.
1. Rd7 Qd7
2. Qb6+ Kg8
3. Rg8+ Bf8
4. Rf8+ Rf8
5. Bf4+ Kc8
6. Be6 Rd8
7. Qf7 mate seems to me the most beautiful line
b
I see that the following has already been pointed out by Kamargov:
1. Rxd7 Qxd7
2. Qb6+ Kb8
3. Rg8+ Rf8
4. Rxf8+ Bxf8
5. Bf4+ Kc8
6. Be6, and Qc7# to follow.
If 3. …… Bf8
4. Rxf8+ Rxf8
5. Bf4+ Kc8
6. Be6, etc.
If 3. ….. Bd8, Bryce has given the followup.
Apart from the brilliant move Be6, it seems essential to get in Rg8+ before the Bf4 check to either get the black R off the 6th rank and the black B away fom e7 (where it can move to d8), or to be able to simply win the black B and Q if Black interposes with Bd8 before forcing the mate.