MESON Chess Problem Database
Problem Display
PID: 153930 (4K3/pR5p/Nnn1p1R1/1N1k4/2r5/3p1P2/BQ5b/8 w - - 0 1)
Harley, Brian
The Observer, 1951
(First published on Thu Jul 26 1951)
#3
8 + 9
| 15290 | Harley Scrapbook | 2015 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Sbc7+
- 2...Kd6
- 3.Rxe6#
- 2...Kd6
- 2.Sbc7+
- 1...Bc7
- 2.Sbxc7+
- 2...Kd6
- 3.Rxe6#
- 2...Kd6
- 2.Sbxc7+
- 1...Sa4
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Rd7+
- 2...Bd6
- 3.Sbc7#
- 3.Rxd6#
- 2...Bd6
- 2.Bxc4+
- 1...Sd7
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Rxd7+
- 2...Bd6
- 3.Sbc7#
- 3.Rxd6#
- 2...Bd6
- 2.Bxc4+
- 1...Sa8
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Rd7+
- 2...Bd6
- 3.Rxd6#
- 2...Bd6
- 2.Bxc4+
- 1...Sc8
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Bxc4+
- 1...e5
- 2.Sbc7#
- 2.Rd6#
- 1...Bg1
- Tries
- 1.Sbc7+?
- 1...Kd6
- 2.Rxe6#
- 1...Bxc7!
- 1...Kd6
- 1.Rxb6?
- threat
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Sbc7#
- 3.Rd6#
- 3.Qd4#
- threat
- 2.Qxh2
- threat
- 3.Qd6#
- 2...Se5
- 3.Rd6#
- 2...e5
- 3.Rd6#
- threat
- 2.Bxc4+
- 1...hxg6
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Sbc7#
- 3.Rd6#
- 3.Qd4#
- threat
- 2.Bxc4+
- 1...Bg1
- 2.Sbc7+
- 2...Kd6
- 3.Rxe6#
- 2...Kd6
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Sbc7+
- 1...Bg3
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Sbc7#
- 3.Rd6#
- 3.Qd4#
- threat
- 2.Bxc4+
- 1...Bf4
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Sbc7#
- 3.Rd6#
- 3.Qd4#
- threat
- 2.Bxc4+
- 1...Be5
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Bxc4+
- 1...Bd6
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Rxd6#
- 3.Qd4#
- 2...Se5
- 3.Rxd6#
- 3.Qd4#
- threat
- 2.Qf6
- threat
- 3.Sc3#
- 3.Qxe6#
- 2...e5
- 3.Qxd6#
- 3.Qe6#
- 3.Qf7#
- threat
- 2.Bxc4+
- 1...Bc7
- 2.Sbxc7+
- 2...Kd6
- 3.Rxe6#
- 2...Kd6
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Sbxc7#
- 3.Qd4#
- 2...Se5
- 3.Sbxc7#
- 3.Qd4#
- threat
- 2.Sbxc7+
- 1...Bb8
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Qd4#
- threat
- 2.Bxc4+
- 1...d2
- 2.Qc3
- threat
- 3.Bxc4#
- 2...Sd4
- 3.Qxd4#
- 2...Sa5
- 3.Qd4#
- 2...Se5
- 3.Sbc7#
- 3.Rd6#
- 3.Qd4#
- threat
- 2.Qxd2+
- 2...Ke5
- 3.Qg5#
- 2...Sd4
- 3.Qxd4#
- 2...Ke5
- 2.Qc3
- 1...axb6!
- threat
- 1.Rd7+?
- 1...Bd6
- 2.Sbc7#
- 2.Rxd6#
- 1...Sxd7!
- 1...Bd6
- 1.Qa3?
- threat
- 2.Qc5#
- 1...Ke5
- 2.Rf7
- threat
- 3.Rg5#
- 3.Qd6#
- 2...Kd5
- 3.Qc5#
- threat
- 2.Rf7
- 1...Sa4
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Rd7#
- 3.Qd6#
- 2...Se5
- 3.Qd6#
- 2...e5
- 3.Sac7#
- 3.Qd6#
- 2...Be5
- 2.Rg5+
- 1...Sd7
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Rxd7#
- 3.Qd6#
- 2...Sce5
- 3.Qd6#
- 2...Sde5
- 3.Sac7#
- 3.Rd7#
- 3.Qc5#
- 3.Qd6#
- 2...e5
- 3.Sac7#
- 3.Qd6#
- 2...Be5
- 2.Rg5+
- 1...Sb4!
- threat
- 1.Qe2?
- threat
- 2.Qe4#
- 2.Qxe6#
- 1...hxg6
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Se5
- 2.Qe4#
- 1...Sd8
- 2.Qe4#
- 1...Be5
- 2.Qe4#
- 1...e5
- 2.Rd6#
- 2.Qe4#
- 1...dxe2!
- threat
- 1.Qf2?
- threat
- 2.Qc5#
- 1...Ke5
- 2.Qe3+
- 2...Kd5
- 3.Qc5#
- 3.Qe4#
- 3.Qxe6#
- 2...Kf5
- 3.Qg5#
- 2...Re4
- 3.Qg5#
- 3.Qxe4#
- 2...Kd5
- 2.Qe3+
- 1...Bg1
- 2.Rg5+
- 2...Se5
- 3.Sb4#
- 2...e5
- 3.Sac7#
- 2...Se5
- 2.Qh4
- threat
- 3.Qe4#
- 2...Ke5
- 3.Qg5#
- threat
- 2.Rg5+
- 1...Bd6
- 2.Qe1
- threat
- 3.Qe4#
- 3.Qxe6#
- threat
- 2.Qe3
- threat
- 3.Sc3#
- 3.Qe4#
- 3.Qxe6#
- threat
- 2.Qe1
- 1...Sa4
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Rd7#
- 2...Se5
- 3.Sb4#
- 2...e5
- 3.Sac7#
- 2...Be5
- 2.Qe3
- threat
- 3.Qe4#
- 3.Qxe6#
- 2...Sc5
- 3.Qxc5#
- threat
- 2.Rg5+
- 1...Sd7
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Rxd7#
- 2...Sce5
- 3.Sb4#
- 2...Sde5
- 3.Sac7#
- 3.Rd7#
- 3.Qc5#
- 2...e5
- 3.Sac7#
- 2...Be5
- 2.Rg5+
- 1...Sd4!
- threat
- 1.Qg2?
- threat
- 2.f4#
- 1...Sd4
- 2.f4+
- 2...Sf3
- 3.Qxf3#
- 2...Sf3
- 2.f4+
- 1...Se5
- 2.f4+
- 2...Sf3
- 3.Qxf3#
- 2...Sf3
- 2.f4+
- 1...Bf4!
- threat
- 1.Qxh2?
- threat
- 2.Qd6#
- 1...Sc8
- 2.Bxc4+
- 2...Kxc4
- 3.Qa2#
- 2...Kxc4
- 2.Rd7+
- 2...Sd6+
- 3.Rxd6#
- 3.Qxd6#
- 2...Sd6+
- 2.Qf4
- threat
- 3.Sc3#
- 3.Sbc7#
- 3.Bxc4#
- 3.Qe4#
- 2...Sd6+
- 3.Qxd6#
- threat
- 2.Bxc4+
- 1...Se5!
- threat
- 1.Qb4?
- threat
- 2.Qc5#
- 1...Ke5
- 2.Rf7
- threat
- 3.Rg5#
- 3.Qd6#
- 2...Kd5
- 3.Qc5#
- threat
- 2.Rf7
- 1...Sa4
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Bxc4#
- 3.Rd7#
- 3.Qd6#
- 3.Qxc4#
- 2...Se5
- 3.Qd6#
- 3.Qxc4#
- 2...e5
- 3.Sac7#
- 3.Bxc4#
- 3.Qd6#
- 3.Qxc4#
- 2...Be5
- 2.Qxc4+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Rg5+
- 1...Sd7
- 2.Rg5+
- 2...Be5
- 3.Sac7#
- 3.Bxc4#
- 3.Rxd7#
- 3.Qd6#
- 3.Qxc4#
- 2...Sce5
- 3.Qd6#
- 3.Qxc4#
- 2...Sde5
- 3.Sac7#
- 3.Bxc4#
- 3.Rd7#
- 3.Qc5#
- 3.Qd6#
- 3.Qxc4#
- 2...e5
- 3.Sac7#
- 3.Bxc4#
- 3.Qd6#
- 3.Qxc4#
- 2...Be5
- 2.Qxc4+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Rg5+
- 1...Sxb4!
- threat
- 1.Sbc7+?
- Keys
- 1.Rc7!
- threat
- 2.Qd4+
- 2...Sxd4
- 3.Rc5#
- 2...Sxd4
- 2.Qd4+
- 1...Bxc7
- 2.Sbxc7+
- 2...Kd6
- 3.Rxe6#
- 2...Kd6
- 2.Sbxc7+
- 1...Bg1
- 2.Qg2
- threat
- 3.f4#
- 2...Ke5
- 3.Qg5#
- 2...Sd4
- 3.Rc5#
- 2...Se5
- 3.Sb4#
- 2...e5
- 3.Rd6#
- threat
- 2.Qg2
- 1...Be5
- 2.Qb4
- threat
- 3.Qc5#
- 2...Sxb4
- 3.Sxb4#
- 3.Rc5#
- 2...Bd4
- 3.Qd6#
- 2...Bd6
- 3.Qxd6#
- 2...Sa4
- 3.Bxc4#
- 3.Qxc4#
- 2...Sd7
- 3.Bxc4#
- 3.Qxc4#
- threat
- 2.Qb4
- 1...Bd6
- 2.Qf6
- threat
- 3.Sc3#
- 3.Qxe6#
- 2...e5
- 3.Qxd6#
- 3.Qe6#
- 3.Qf7#
- threat
- 2.Qf6
- 1...Sa4
- 2.Rd7+
- 2...Bd6
- 3.Sbc7#
- 3.Rxd6#
- 2...Bd6
- 2.Qxh2
- threat
- 3.Rd7#
- 3.Qd6#
- 2...Se5
- 3.Sb4#
- threat
- 2.Rd7+
- 1...Sd7
- 2.Rxd7+
- 2...Bd6
- 3.Sbc7#
- 3.Rxd6#
- 2...Bd6
- 2.Rxd7+
- threat
- 1.Rc7!
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