MESON Chess Problem Database
Problem Display
PID: 153865 (8/5B2/6p1/3N2P1/2p2P2/1pBnp1K1/1Qnpk1p1/1R4R1 w - - 0 1)
Harley, Brian
The Observer, 1951
(First published on Sun Apr 1 1951)
#3
9 + 9
| 15290 | Harley Scrapbook | 2015 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxb2
- 2.Rxg2+
- 2...Kd3
- 3.Bxg6#
- 2...Kd3
- 2.Rxg2+
- 1...Sb4
- 2.Rxg2+
- 2...Kd3
- 3.Bxg6#
- 2...Kd3
- 2.Rxg2+
- 1...Sxf4
- 2.Sxf4#
- 1...d1B
- 2.f5
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxb2
- 2.f5
- 1...Sxb2
- Tries
- 1.Qxc2?
- threat
- 2.Qd1#
- 1...Sc1
- 2.Rxg2+
- 2...Ke1
- 3.Rxc1#
- 3.Qxc1#
- 2...Kf1
- 3.Qd1#
- 2...Ke1
- 2.Qd1+
- 2...Kd3
- 3.Bxg6#
- 2...Kd3
- 2.Qe4
- threat
- 3.Qxe3#
- 2...d1S
- 3.Re1#
- threat
- 2.f5
- threat
- 3.Sf4#
- 2...Sd3
- 3.Qd1#
- threat
- 2.Rxg2+
- 1...bxc2!
- threat
- 1.f5?
- threat
- 2.Rxg2+
- 2...Sf2
- 3.Sf4#
- 2...Sf2
- 2.Rxg2+
- 1...d1Q
- 2.Rbxd1
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Se1
- 3.Rgxe1#
- 2...Sc1
- 3.Sf4#
- 3.Rge1#
- 2...Sf2
- 3.Sf4#
- 3.Rge1#
- 2...Sb4
- 3.Sf4#
- 3.Rge1#
- 2...Sf4
- 3.Sxf4#
- 3.Rge1#
- 2...Sc5
- 3.Sf4#
- 3.Rge1#
- 2...Se5
- 3.Sf4#
- 3.Rge1#
- 2...Sxb2
- 2.Rbxd1
- 1...d1S
- 2.Rbxd1
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Se1
- 3.Rgxe1#
- 2...Sc1
- 3.Sf4#
- 3.Rge1#
- 2...Sf2
- 3.Sf4#
- 3.Rge1#
- 2...Sb4
- 3.Sf4#
- 3.Rge1#
- 2...Sf4
- 3.Sxf4#
- 3.Rge1#
- 2...Sc5
- 3.Sf4#
- 3.Rge1#
- 2...Se5
- 3.Sf4#
- 3.Rge1#
- 2...Sxb2
- 2.Rbxd1
- 1...d1B
- 2.Bxg6
- threat
- 3.Bh5#
- 2...Sxb2
- 3.Sf4#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- threat
- 2.Be8
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxb2
- 2.Ra1
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxb2
- 2.Rc1
- 2...Sxc1
- 3.Sf4#
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxc1
- 2.Rbxd1
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Se1
- 3.Rgxe1#
- 2...Sc1
- 3.Sf4#
- 3.Rge1#
- 2...Sf2
- 3.Sf4#
- 3.Rge1#
- 2...Sb4
- 3.Sf4#
- 3.Rge1#
- 2...Sf4
- 3.Sxf4#
- 3.Rge1#
- 2...Sc5
- 3.Sf4#
- 3.Rge1#
- 2...Se5
- 3.Sf4#
- 3.Rge1#
- 2...Sxb2
- 2.Qc1
- threat
- 3.Qxd1#
- 2...Sxc1
- 3.Sf4#
- 2...Sb2
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- threat
- 2.fxg6
- 2...Sxb2
- 3.Sf4#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxb2
- 2.f6
- 2...Sxb2
- 3.Sf4#
- 2...Sc1
- 3.Sf4#
- 2...Se1
- 3.Sf4#
- 2...Sf2
- 3.Sf4#
- 2...Sb4
- 3.Sf4#
- 2...Sf4
- 3.Sxf4#
- 2...Sc5
- 3.Sf4#
- 2...Se5
- 3.Sf4#
- 2...Sxb2
- 2.Bxg6
- 1...d1R
- 2.Rbxd1
- 2...Sxb2
- 3.Sf4#
- 2...gxf5
- 3.Bh5#
- 2...Se1
- 3.Rgxe1#
- 2...Sc1
- 3.Sf4#
- 3.Rge1#
- 2...Sf2
- 3.Sf4#
- 3.Rge1#
- 2...Sb4
- 3.Sf4#
- 3.Rge1#
- 2...Sf4
- 3.Sxf4#
- 3.Rge1#
- 2...Sc5
- 3.Sf4#
- 3.Rge1#
- 2...Se5
- 3.Sf4#
- 3.Rge1#
- 2...Sxb2
- 2.Rbxd1
- 1...Sce1!
- threat
- 1.Qxc2?
- Keys
- 1.Sb4!
- threat
- 2.Rxg2+
- 2...Sf2
- 3.Bxc4#
- 2...Sf2
- 2.Rxg2+
- 1...Scxb4
- 2.Bxc4
- threat
- 3.Rbe1#
- 3.Rge1#
- 3.Rxg2#
- threat
- 2.Bxc4
- 1...Sdxb4
- 2.Bxc4+
- 2...Sd3
- 3.Rxg2#
- 2...Sd3
- 2.Rxg2+
- 2...Kd3
- 3.Bxg6#
- 2...Kd3
- 2.Bxc4+
- 1...Sxf4
- 2.Bxc4+
- 2...Sd3
- 3.Bxd3#
- 3.Rxg2#
- 2...Sd3
- 2.Rxg2+
- 2...Sxg2
- 3.Bxc4#
- 2...Sxg2
- 2.Bxc4+
- 1...d1Q
- 2.Bxc4
- 2...Qe1+
- 3.Rbxe1#
- 3.Rgxe1#
- 2...Qxb1
- 3.Bxd3#
- 2...Qxg1
- 3.Bxd3#
- 2...Qc1
- 3.Bxd3#
- 2...Qf1
- 3.Bxd3#
- 2...Qd2
- 3.Rxg2#
- 2...Qe1+
- 2.Bxc4
- 1...d1S
- 2.Bxc4
- threat
- 3.Bxd3#
- 3.Re1#
- 2...Sxb2
- 3.Rxg2#
- 2...Sxc3
- 3.Rxg2#
- threat
- 2.Bxc4
- 1...d1B
- 2.Bxg6
- threat
- 3.Bh5#
- 2...Sxb4
- 3.Re1#
- 2...Sxf4
- 3.Re1#
- 2...Se1
- 3.Rxe1#
- 2...Sf2
- 3.Re1#
- 2...Se5
- 3.Re1#
- threat
- 2.Bxg6
- 1...d1R
- 2.Bxc4
- 2...Rxb1
- 3.Bxd3#
- 2...Rxg1
- 3.Bxd3#
- 2...Rc1
- 3.Bxd3#
- 2...Re1
- 3.Bxd3#
- 3.Rbxe1#
- 3.Rgxe1#
- 2...Rf1
- 3.Bxd3#
- 2...Rd2
- 3.Rxg2#
- 2...Rxb1
- 2.Bxc4
- 1...Sce1
- 2.Bxc4
- threat
- 3.Rbxe1#
- 3.Rgxe1#
- 2...Sc2
- 3.Bxd3#
- 3.Rxg2#
- 2...Sf3
- 3.Bxd3#
- 3.Rxg2#
- threat
- 2.Bxc4
- 1...Sa3
- 2.Bxg6
- threat
- 3.Bh5#
- 2...Sxb4
- 3.Rbe1#
- 3.Rge1#
- 3.Rxg2#
- 2...Sxf4
- 3.Rbe1#
- 3.Rge1#
- 2...Se1
- 3.Rbxe1#
- 3.Rgxe1#
- 2...Sf2
- 3.Rbe1#
- 3.Rge1#
- 2...Se5
- 3.Rbe1#
- 3.Rge1#
- 3.Rxg2#
- threat
- 2.Bxg6
- 1...Sc1
- 2.Bxc4+
- 2...Sd3
- 3.Bxd3#
- 3.Rxg2#
- 2...Sd3
- 2.Bxc4+
- 1...Sde1
- 2.Bxc4+
- 2...Sd3
- 3.Bxd3#
- 3.Rxg2#
- 2...Sd3
- 2.Bxc4+
- 1...Sf2
- 2.Bxc4+
- 2...Sd3
- 3.Bxd3#
- 3.Rxg2#
- 2...Sd3
- 2.Bxc4+
- threat
- 1.Sb4!
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