MESON Chess Problem Database
Problem Display
PID: 205150 (6Q1/2pn1K2/p1PbBpPp/P3k2p/4N2P/2pp1P1N/6P1/1n4B1 w - - 0 1)
Harrison, PN
The Observer, 1952
(First published on Sun Nov 16 1952)
#3
12 + 11
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb6
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Shf2
- 1...Sb8
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Shf2
- 1...f5
- 2.Qg7+
- 2...Sf6
- 3.Qxf6#
- 2...Sf6
- 2.Qh8+
- 2...Sf6
- 3.Qxf6#
- 2...Sf6
- 2.Qg7+
- 1...Sb6
- Tries
- 1.Shf2?
- threat
- 2.Sxd3#
- 1...Kd4
- 2.Sg4#
- 1...Kf4
- 2.Sxd3#
- 1...d2
- 2.Sd3#
- 1...Sc5!
- threat
- 1.Sg3?
- threat
- 2.f4#
- 1...Ba3
- 2.Sf5
- threat
- 3.Bh2#
- 3.Bd4#
- threat
- 2.Sf5
- 1...Bb4
- 2.Sf5
- threat
- 3.Bh2#
- 3.Bd4#
- threat
- 2.Sf5
- 1...Be7
- 2.Kxe7
- threat
- 3.f4#
- threat
- 2.Sf5
- threat
- 3.Bh2#
- 3.Bd4#
- threat
- 2.Kxe7
- 1...Bf8
- 2.Sf5
- threat
- 3.Bh2#
- 3.Bd4#
- threat
- 2.Sf5
- 1...Bc5!
- threat
- 1.cxd7?
- threat
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.d8Q
- threat
- 3.Qxf6#
- 2...Be7
- 3.Bh2#
- 3.Bd4#
- 3.Qd4#
- 3.Qd5#
- 2...f5
- 3.Qf6#
- 3.Qg7#
- 3.Qh8#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.Shf2
- 1...Ba3
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.d8Q
- threat
- 3.Bh2#
- 3.Bd4#
- 3.Qxf6#
- 3.Qd4#
- 3.Qd5#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.Shf2
- 1...Bb4
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.d8Q
- threat
- 3.Bh2#
- 3.Bd4#
- 3.Qxf6#
- 3.Qd4#
- 3.Qd5#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.Shf2
- 1...Bc5
- 2.d8Q
- threat
- 3.Bh2#
- 3.Qxf6#
- 3.Qd5#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.d8Q
- 1...Be7
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Shf2
- 1...Bf8
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Qxf8
- threat
- 3.Qc5#
- 2...c5
- 3.Qxc5#
- 3.Qd6#
- 3.Qb8#
- threat
- 2.d8Q
- threat
- 3.Bh2#
- 3.Bd4#
- 3.Qxf6#
- 3.Qd4#
- 3.Qd5#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.Shf2
- 1...c2
- 2.d8Q
- threat
- 3.Qxf6#
- 2...Be7
- 3.Bh2#
- 3.Bd4#
- 3.Qd4#
- 3.Qd5#
- 2...f5
- 3.Qf6#
- 3.Qg7#
- 3.Qh8#
- threat
- 2.d8Q
- 1...d2
- 2.d8Q
- threat
- 3.Qxf6#
- 2...Be7
- 3.Bh2#
- 3.Bd4#
- 3.Qd4#
- 3.Qd5#
- 2...f5
- 3.Qf6#
- 3.Qg7#
- 3.Qh8#
- threat
- 2.d8S
- threat
- 3.Sc6#
- 2...c6
- 3.Sxc6#
- threat
- 2.d8Q
- 1...c5
- 2.Qa8
- threat
- 3.Qd5#
- 3.f4#
- threat
- 2.f4+
- 2...Kxe4
- 3.Qa8#
- 2...Kxe4
- 2.d8Q
- threat
- 3.Qxf6#
- 3.Qxd6#
- 2...Be7
- 3.Bh2#
- 3.Qd5#
- threat
- 2.d8S
- threat
- 3.Sc6#
- threat
- 2.Qa8
- 1...c6
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.d8Q
- threat
- 3.Qxf6#
- 3.Qxd6#
- 2...Be7
- 3.Bh2#
- 3.Bd4#
- 3.Qd4#
- threat
- 2.d8S
- threat
- 3.Sxc6#
- 2...c5
- 3.Sc6#
- threat
- 2.Shf2
- 1...Sd2!
- threat
- 1.Shf2?
- Keys
- 1.Qb8!
- 1...Sxb8
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Shf2
- 1...Sc5
- 2.f4+
- 2...Kxe4
- 3.Qb4#
- 2...Kxe4
- 2.f4+
- 1...Ba3
- 2.Qxc7+
- 2...Bd6
- 3.Qxd6#
- 2...Bd6
- 2.Qxc7+
- 1...Bb4
- 2.Qxc7+
- 2...Bd6
- 3.Qxd6#
- 2...Bd6
- 2.Qxb4
- threat
- 3.Bh2#
- 3.Bd4#
- 3.Qd4#
- 3.f4#
- threat
- 2.f4+
- 2...Kxe4
- 3.Qxb4#
- 2...Kxe4
- 2.Qxc7+
- 1...Bc5
- 2.Qxc7+
- 2...Bd6
- 3.Qxd6#
- 2...Bd6
- 2.Qxc7+
- 1...Be7
- 2.Qxc7+
- 2...Bd6
- 3.Qxd6#
- 2...Bd6
- 2.Qxc7+
- 1...Bf8
- 2.Qxc7+
- 2...Bd6
- 3.Qxd6#
- 2...Bd6
- 2.Qxc7+
- 1...Sd2
- 2.Sxd2
- threat
- 3.Sc4#
- 3.f4#
- 2...cxd2
- 3.Qb2#
- threat
- 2.Sxd2
- 1...Sa3
- 2.Qb3
- threat
- 3.Qd5#
- 3.Qxc3#
- threat
- 2.Qb3
- 1...Sb6
- 2.Shf2
- threat
- 3.Sxd3#
- 2...Kd4
- 3.Sg4#
- 2...Kf4
- 3.Sxd3#
- 2...d2
- 3.Sd3#
- threat
- 2.Shf2
- 1...Sf8
- 2.Qb3
- threat
- 3.Qd5#
- 2...Sxe6
- 3.Qxe6#
- threat
- 2.Qb3
- 1...c2
- 2.Sd2
- threat
- 3.Sc4#
- 3.f4#
- 2...Sxd2
- 3.Qb2#
- threat
- 2.Qb2+
- 2...Sc3
- 3.Qxc3#
- 2...Sc3
- 2.Sd2
- 1...d2
- 2.Qxb1
- threat
- 3.f4#
- 2...c2
- 3.Qa1#
- 3.Qb2#
- threat
- 2.Qxb1
- 1...f5
- 2.Qh8+
- 2...Sf6
- 3.Qxf6#
- 2...Sf6
- 2.Qh8+
- 1...Sxb8
- 1.Qb8!
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