MESON Chess Problem Database
Problem Display
PID: 3490 (r3NkB1/1ppP4/2N2pR1/pQ4PK/8/b7/bn6/q1B5 w - - 0 1)
Harley, Brian
The Observer, 1937
(First published on Sun Jun 6 1937)
#3
9 + 10
| 15290 | Harley Scrapbook | 2014 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Qxd5
- threat
- 3.Rxf6#
- 3.Qf7#
- threat
- 2.Qxd5
- 1...Bc5
- 2.Qxc5#
- 1...Sd1
- 2.Bxa3#
- 1...Sd3
- 2.Bxa3+
- 2...Sb4
- 3.Qc5#
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 2...Sb4
- 2.Bxa3+
- 1...Sa4
- 2.Bxa3+
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 2...Sc5
- 2.Bxa3+
- 1...fxg5
- 2.Qf1+
- 2...Bf7
- 3.Qxf7#
- 2...Bf7
- 2.Qf5+
- 2...Bf7
- 3.Qxf7#
- 2...Bf7
- 2.Qf1+
- 1...f5
- 2.Qxf5+
- 2...Bf7
- 3.Qxf7#
- 2...Bf7
- 2.Qxf5+
- 1...Bd5
- Tries
- 1.Sxf6?
- threat
- 2.Sh7#
- 1...Bxg8
- 2.Sh7+
- 2...Kf7
- 3.Qf1#
- 3.Qd5#
- 3.Qf5#
- 2...Bxh7
- 3.Qf1#
- 3.Qf5#
- 2...Kf7
- 2.Rxg8+
- 2...Kf7
- 3.Qd5#
- 2...Kf7
- 2.Qf1
- threat
- 3.Sh7#
- 3.Sxg8#
- 2...Kf7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sh7#
- 3.Se8#
- 3.Sxg8#
- 2...Bh7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sxh7#
- 3.Se8#
- 3.Sg8#
- threat
- 2.Qf5
- threat
- 3.Sh7#
- 3.Sxg8#
- 2...Kf7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sh7#
- 3.Se8#
- 3.Sxg8#
- 2...Bh7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sxh7#
- 3.Se8#
- 3.Sg8#
- threat
- 2.Sh7+
- 1...bxc6!
- threat
- 1.Qe5?
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Bxg8
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 2...Bf7
- 2.Qxf6+
- 1...bxc6
- 2.Qxf6+
- 2...Bf7
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Sd3
- 2.Bxa3+
- 2...Sb4
- 3.Qc5#
- 3.Qe7#
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 3.Qe7#
- 2...Sb4
- 2.Bxa3+
- 1...Bb3
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Bc4
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Bd5
- 2.Bxd5
- threat
- 3.Rxf6#
- 3.Rg8#
- 3.Qxf6#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxd5
- threat
- 3.Rxf6#
- 3.Qf7#
- threat
- 2.Bxd5
- 1...Be6
- 2.Bxe6
- threat
- 3.Rxf6#
- 3.Rg8#
- 3.Qxf6#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxe6
- threat
- 3.Rxf6#
- 3.Qf7#
- 3.Qxf6#
- threat
- 2.Bxe6
- 1...Bf7
- 2.Qxf6
- threat
- 3.Qg7#
- 3.Qxf7#
- threat
- 2.Qxf6
- 1...Sa4
- 2.Bxa3+
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 3.Qe7#
- 2...Sc5
- 2.Bxa3+
- 1...Sc4
- 2.Sxf6
- threat
- 3.Sh7#
- threat
- 2.Bxa3+
- 2...Sxa3
- 3.Qc5#
- 3.Qe7#
- 2...Sd6
- 3.Qe7#
- 2...Sxa3
- 2.Bd5
- threat
- 3.Rxf6#
- 3.Rg8#
- threat
- 2.Qe6
- threat
- 3.Qf7#
- 2...Sb2
- 3.Rxf6#
- 2...Sd2
- 3.Bxa3#
- 2...Se3
- 3.Bxa3#
- 2...Se5
- 3.Bxa3#
- 2...Sb6
- 3.Bxa3#
- 2...Sd6
- 3.Qe7#
- threat
- 2.Sxf6
- 1...fxe5!
- threat
- 1.gxf6?
- threat
- 2.Bh6#
- 1...Bxg8
- 2.Bh6+
- 2...Kf7
- 3.Qd5#
- 2...Kf7
- 2.Bh6+
- 1...Qxc1!
- threat
- 1.Sxf6?
- Keys
- 1.Qf5!
- threat
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Qxc1
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Rxe8
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.dxe8Q+
- 2...Kxe8
- 3.Qc8#
- 2...Kxe8
- 2.dxe8R+
- 2...Kxe8
- 3.Qc8#
- 2...Kxe8
- 2.Qxf6+
- 1...Bxg8
- 2.Sxf6
- threat
- 3.Sh7#
- 3.Sxg8#
- 2...Kf7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sh7#
- 3.Se8#
- 3.Sxg8#
- 2...Bh7
- 3.Se4#
- 3.Sg4#
- 3.Sd5#
- 3.Sxh7#
- 3.Se8#
- 3.Sg8#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 2...Bf7
- 2.Sxf6
- 1...bxc6
- 2.Qxf6+
- 2...Bf7
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Sd3
- 2.Bxa3+
- 2...Sb4
- 3.Qc5#
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 2...Sb4
- 2.Bxa3+
- 1...Qb1
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Ra6
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- 3.d8Q#
- 3.d8R#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Ra7
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- 3.d8Q#
- 3.d8R#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Rc8
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- 3.dxc8Q#
- 3.dxc8R#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Rd8
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Qxf6+
- 1...Bb3
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- 2...Bd1+
- 3.Sg4#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Bc4
- 2.Sxf6
- threat
- 3.Sd5#
- 3.Sh7#
- 2...Be2+
- 3.Sg4#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Bd5
- 2.Sxf6
- threat
- 3.Sxd5#
- 3.Sh7#
- 2...Bf3+
- 3.Sg4#
- 2...Bxc6
- 3.Sd5#
- threat
- 2.Bxd5
- threat
- 3.Rxf6#
- 3.Rg8#
- 3.Qxf6#
- threat
- 2.Qxd5
- threat
- 3.Rxf6#
- 3.Qf7#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Sxf6
- 1...Be6
- 2.Bxe6
- threat
- 3.Rxf6#
- 3.Rg8#
- 3.Qxf6#
- threat
- 2.Qxe6
- threat
- 3.Rxf6#
- 3.Qf7#
- 3.Qxf6#
- threat
- 2.Qxf6+
- 2...Bf7
- 3.Qg7#
- 3.Qxf7#
- 2...Bf7
- 2.Bxe6
- 1...Bf7
- 2.Qxf6
- threat
- 3.Qg7#
- 3.Qxf7#
- threat
- 2.Qxf6
- 1...Be7
- 2.gxf6
- threat
- 3.Bh6#
- 3.fxe7#
- threat
- 2.gxf6
- 1...Sa4
- 2.Bxa3+
- 2...Sc5
- 3.Bxc5#
- 3.Qxc5#
- 2...Sc5
- 2.Bxa3+
- 1...Sc4
- 2.Qe6
- threat
- 3.Qf7#
- 2...Sb2
- 3.Rxf6#
- 2...Sd2
- 3.Bxa3#
- 2...Se3
- 3.Bxa3#
- 2...Se5
- 3.Bxa3#
- 2...Sb6
- 3.Bxa3#
- 2...Sd6
- 3.Qe7#
- threat
- 2.Qe6
- threat
- 1.Qf5!
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