MESON Chess Problem Database
Problem Display
PID: 437 (2B5/2p5/Nq1p1rN1/1P1k1n2/2pPR1R1/Q7/2n1P2K/1b6 w - - 0 1)
Gooderson, Arthur R
The Observer, 1952
(First published on Sun Sep 14 1952)
#2
10 + 9
| 3207 | A R Gooderson An English Progressive | 1996 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Sxc7#
- 1...Re6
- 2.Bxe6#
- 1...Rf7
- 2.Be6#
- 1...Rf8
- 2.Be6#
- 1...Sa1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sxa3
- 2.Sb4#
- 1...Sce3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sfe3
- 2.Se7#
- 1...Sg3
- 2.Se7#
- 1...Sxd4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...c3
- 2.Qb3#
- 1...Qxd4
- Tries
- 1.Bxf5?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Qxb5
- 2.Se7#
- 1...Rxf5
- 2.Se7#
- 1...c3
- 2.Qb3#
- 1...Re6
- 2.Sf4#
- 2.Bxe6#
- 1...Rf7
- 2.Sf4#
- 2.Be6#
- 1...Rxg6!
- threat
- 1.Re6?
- threat
- 2.Qf3#
- 1...Qxd4
- 2.Sxc7#
- 1...Sxa3
- 2.Sb4#
- 1...Scxd4
- 2.Sf4#
- 1...Sfxd4
- 2.Se7#
- 2.e4#
- 1...c3
- 2.Qb3#
- 1...Sa1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sce3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sfe3
- 2.Se7#
- 1...Sg3
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...Rxe6!
- threat
- 1.Qf3?
- threat
- 2.Sf4#
- 2.Re3#
- 2.Ref4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qxd4
- 2.Sf4#
- 2.Rxd4#
- 2.Re5#
- 1...Qxb5
- 2.Re3#
- 2.Ref4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Rxg6
- 2.Re3#
- 2.Ref4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qxf5#
- 1...Scxd4
- 2.Sf4#
- 2.Rxd4#
- 2.Re5#
- 1...Sfxd4
- 2.Se7#
- 2.Rxd4#
- 2.Re5#
- 1...Re6
- 2.Sf4#
- 2.Bxe6#
- 2.Re5#
- 2.Rxe6#
- 1...Sa1
- 2.Sb4#
- 2.Sf4#
- 2.Re5#
- 1...Se1
- 2.Sb4#
- 2.Sf4#
- 2.Re5#
- 1...Sa3
- 2.Sb4#
- 2.Sf4#
- 2.Re5#
- 1...Sce3
- 2.Sb4#
- 2.Sf4#
- 2.Re5#
- 1...Sb4
- 2.Sxb4#
- 2.Sf4#
- 2.Re5#
- 1...Sfe3
- 2.Se7#
- 2.Ref4#
- 2.Re5#
- 1...Sg3
- 2.Se7#
- 2.Re5#
- 1...Sh4
- 2.Se7#
- 2.Re5#
- 1...Sh6
- 2.Se7#
- 2.Ref4#
- 2.Re5#
- 1...Se7
- 2.Sxe7#
- 2.Ref4#
- 2.Re5#
- 1...Sg7
- 2.Se7#
- 2.Ref4#
- 2.Re5#
- 1...c3!
- threat
- 1.Bxf5?
- Keys
- 1.Re8!
- threat
- 2.Qf3#
- 1...Qxd4
- 2.Sxc7#
- 1...Sxa3
- 2.Sb4#
- 1...Scxd4
- 2.Sf4#
- 1...Sfxd4
- 2.e4#
- 1...c3
- 2.Qb3#
- 1...Re6
- 2.Bxe6#
- 1...Sa1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sce3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sfe3
- 2.Se7#
- 1...Sg3
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(f);N_GUARD,XP(D)::S(H),XP(i)
- R(h);N_GUARD::B(J),XR(h)
- R(h);N_GUARD::B(J)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD,XQ(C)::S(H)
- S(b);N_GUARD::S(H),XS(b)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD,XP(D)::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(c);OGATEB::QAB(C)
- Tries
- Try
- B(J);XS(e)
- Threat
- DUALS(2)
- Vars
- Q(f);XP(G)::S(I)
- R(h);XB(J)::S(I)
- P(c);OGATEB::QAB(C)
- Refutation
- R(h);XS(I)
- Try
- R(E);
- Threat
- QAB(C)
- Vars
- Q(f);N_GUARD,XP(D)::S(H),XP(i)
- S(b);N_GUARD,XQ(C)::S(H)
- S(b);SBLOCK,XP(D)::S(I)
- P(c);OGATEB::QAB(C)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- Refutation
- R(h);XR(E)
- Try
- Q(C);
- Threat
- DUALS(7)
- Refutation
- P(c);
- Try
- Actual
- R(E);
- Threat
- QAB(C)
- Vars
- Q(f);N_GUARD,XP(D)::S(H),XP(i)
- S(b);N_GUARD,XQ(C)::S(H)
- S(b);SBLOCK,XP(D)::S(I)
- S(e);SBLOCK,XP(D)::P(A)
- P(c);OGATEB::QAB(C)
- R(h);N_GUARD::B(J),XR(h)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
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