MESON Chess Problem Database
Problem Display
PID: 148065 (5R2/7Q/B2P2R1/q2Nn3/3pk1p1/3N2n1/4P1K1/2B5 w - - 0 1)
Bridgwater, Ralph Herbert
Grantham Journal, 1926
(First published on Sat Nov 20 1926)
#2
10 + 6
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Sf2#
- 2.Rxg4#
- 2.Rf4#
- 1...Sf5
- 2.Sf6#
- 1...Qxd5
- Tries
- 1.S5b4?
- threat
- 2.Sf2#
- 2.Rxg4#
- 2.Rf4#
- 1...Sxe2
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sxd3
- 2.Re6#
- 1...Sxg6
- 2.Rf4#
- 1...Sf7
- 2.Rxg4#
- 2.Re6#
- 1...Sh1
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sf5
- 2.Sf2#
- 1...Sh5
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sf3
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc4
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc6
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sd7
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Qxb4!
- threat
- 1.Se7?
- threat
- 2.Sf2#
- 2.Rxg4#
- 2.Rf4#
- 1...Sxe2
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sxd3
- 2.Re6#
- 1...Sxg6
- 2.Rf4#
- 1...Qe1
- 2.Sc5#
- 2.Rxg4#
- 2.Rf4#
- 1...Sh1
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sf5
- 2.Sf2#
- 1...Sh5
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sf3
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc4
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc6
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sd7
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sf7
- 2.Rxg4#
- 2.Re6#
- 1...Qd2!
- threat
- 1.Bc4?
- threat
- 2.Sf2#
- 2.Rxg4#
- 2.Rf4#
- 1...Sxe2
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sxd3
- 2.Re6#
- 1...Sxg6
- 2.Rf4#
- 1...Sf7
- 2.Rxg4#
- 2.Re6#
- 1...Qe1
- 2.Sc5#
- 2.Rxg4#
- 2.Rf4#
- 1...Qd2
- 2.Sf2#
- 2.Sc5#
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sf5
- 2.Sf2#
- 2.Sf6#
- 1...Sh5
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sf3
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc6
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sd7
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sxc4!
- threat
- 1.Bb7?
- threat
- 2.Sf2#
- 2.Sc3#
- 2.Rxg4#
- 2.Rf4#
- 1...Qxd5
- 2.Sf2#
- 2.Sc5#
- 2.Rxg4#
- 2.Rf4#
- 1...Sxe2
- 2.Sf2#
- 2.Rxg4#
- 2.Re6#
- 1...Sxd3
- 2.Re6#
- 1...Sxg6
- 2.Sc3#
- 2.Rf4#
- 1...Sf7
- 2.Rxg4#
- 2.Re6#
- 1...Qe1
- 2.Sc5#
- 2.Sc3#
- 2.Rxg4#
- 2.Rf4#
- 1...Qd2
- 2.Sf2#
- 2.Sc5#
- 2.Rxg4#
- 1...Qc3
- 2.Sf2#
- 2.Sxc3#
- 2.Rxg4#
- 2.Rf4#
- 1...Sh1
- 2.Sc3#
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sf5
- 2.Sf2#
- 2.Sc3#
- 2.Sf6#
- 1...Sh5
- 2.Sf2#
- 2.Sc3#
- 2.Rxg4#
- 2.Re6#
- 1...Sf3
- 2.Sc3#
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc4
- 2.Sc3#
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sd7
- 2.Sc3#
- 2.Rxg4#
- 2.Re6#
- 2.Rf4#
- 1...Sc6!
- threat
- 1.Rg5+?
- 1...Sf5
- 2.Sf6#
- 1...Sg6
- 2.Sf2#
- 2.Sf6#
- 2.Re5#
- 2.Rf4#
- 2.Re8#
- 1...Kxd5!
- 1...Sf5
- 1.Re6+?
- 1...Sf5
- 2.Sf6#
- 2.Rxe5#
- 1...Kxd5!
- 1...Sf5
- 1.Re8?
- threat
- 2.Rxe5#
- 1...Kf5
- 2.Rg5#
- 2.Rf6#
- 2.Rxe5#
- 1...Qxd5
- 2.Rxg4#
- 1...Kxd5!
- threat
- 1.Qe7?
- threat
- 2.Qxe5#
- 1...Qxd5
- 2.Sf2#
- 2.Rxg4#
- 2.Rf4#
- 1...Kxd5!
- threat
- 1.S5b4?
- Keys
- 1.Rf5!
- threat
- 2.Rxe5#
- 1...Kxd5
- 2.Qb7#
- 1...Kxf5
- 2.Rf6#
- 1...Qxd5
- 2.Rf4#
- 1...Sxf5
- 2.Sf6#
- 1...Sxd3
- 2.Bxd3#
- 1...Sxg6
- 2.Re5#
- 1...Sf3
- 2.Rxg4#
- 1...Sc4
- 2.Rxg4#
- 1...Sc6
- 2.Rxg4#
- 1...Sd7
- 2.Rxg4#
- 1...Sf7
- 2.Rxg4#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK::S(E)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(f);XS(D)::QAB(I)+R(H),DCHECK
- S(f);P_SPINS(f),XR(H)::R1(J)
- S(a);::S(D)
- Refutation
- Q(e);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(f);XS(D)::QAB(I)+R(H),DCHECK
- S(f);P_SPINS(f),XR(H)::R1(J)
- S(a);::S(D)
- Refutation
- Q(e);P_PINP(B)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- S(f);XS(D)::QAB(I)+R(H),DCHECK
- S(f);P_SPINS(f),XR(H)::R1(J)
- Refutation
- S(f);XB(F)
- Try
- B(F);
- Threat
- DUALS(4)
- Vars
- S(f);XS(D)::QAB(I)+R(H),DCHECK
- Refutation
- S(f);
- Try
- R(H);CHECK
- Vars
- S(a);P_SPINS(a)::S(E)
- Refutation
- K(c);P_SPINS(f),S_FLIGHT,XS(E)
- Try
- R(H);CHECK,P_PINS(f)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT,XS(E)
- Try
- R(J);P_PINS(f)
- Threat
- R1(J),XS(f)
- Vars
- Q(e);SBLOCK,XS(E)::QAB(I)+R(H),DCHECK,XP(d)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT,XS(E)
- Try
- Q(I);P_PINS(f)
- Threat
- QAR1(I),XS(f)
- Refutation
- K(c);N_SPINS(f),S_FLIGHT,XS(E)
- Try
- Actual
- R(J);
- Threat
- R1(J),XS(f)
- Vars
- K(c);OGATEB,P_SPINS(f),S_FLIGHT,XS(E)::QAB(I)
- K(c);OGATEB,S_FLIGHT,XR(J)::QAB(I)+R(H),DCHECK
- Q(e);SBLOCK,XS(E)::R1(J)
- S(a);SBLOCK,XR(J)::S(E)
- S(f);OGATE,XS(D)::B(F),XS(f)
- S(f);XR(H)::R1(J)
- S(f);N_GUARD::R(H),XP(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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