MESON Chess Problem Database
Problem Display
PID: 153903 (3n3r/1p2pNR1/1Nppk2n/6P1/3p2P1/1R1p1B2/7Q/7K w - - 0 1)
Fothergill, Percival Guy Laugham (PGLF)
Hampstead and Highgate Express, 1913
(First published on Sat Aug 9 1913)
#2
9 + 10
| 14867 | BCPS Library | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sg8
- 2.Sxd8#
- 1...Sdxf7
- 2.Rg6#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Rh7
- Tries
- 1.Kg1?
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sg8
- 2.Sxd8#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Sf5!
- 1...Sxg4
- 1.Sxh8?
- threat
- 2.Rg6#
- 1...Sxg4
- 2.Bxg4#
- 1...Sg8!
- threat
- 1.Rb1?
- threat
- 2.Re1#
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...d2
- 2.Qe2#
- 1...Sf5!
- threat
- 1.Rb2?
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sg8
- 2.Sxd8#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Sf5!
- 1...Sxg4
- 1.Ra3?
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sg8
- 2.Sxd8#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Sf5!
- 1...Sxg4
- 1.Rxd3?
- threat
- 2.Qe2#
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...Sg8
- 2.Sxd8#
- 1...Sf5!
- threat
- 1.Rb4?
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sg8
- 2.Sxd8#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Sf5!
- 1...Sxg4
- 1.Kg1?
- Keys
- 1.Rb5!
- 1...Sxg4
- 2.Bxg4#
- 1...Shxf7
- 2.Rg6#
- 1...Sdxf7
- 2.Rg6#
- 1...cxb5
- 2.Bd5#
- 1...Sf5
- 2.gxf5#
- 1...Rh7
- 2.Sxd8#
- 1...Re8
- 2.Qxh6#
- 1...Rf8
- 2.Qxh6#
- 1...Rg8
- 2.Qxh6#
- 1...Sg8
- 2.Sxd8#
- 1...d2
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Sxg4
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- S(i);SBLOCK,XS(H)::R(I)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(f);OGATE,XP(E)::B(D),XS(f)
- S(f);SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);S_CUTR(j)::S(H),XS(i)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
- Refutation
- S(f);
- Try
- S(H);XR(j)
- Threat
- R(I)
- Vars
- S(f);OGATE,XP(E)::B(D),XS(f)
- Refutation
- S(f);
- Try
- R(C);
- Threat
- R(C)
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- P(a);N_GUARD::QAR(B)
- Refutation
- S(f);P_PINQ(B)
- Try
- R(C);
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
- Refutation
- S(f);P_PINQ(B)
- Try
- R(C);
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
- Refutation
- S(f);P_PINQ(B)
- Try
- R(C);XP(a)
- Threat
- QAR(B)
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- Refutation
- S(f);P_PINQ(B)
- Try
- R(C);
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
- Refutation
- S(f);P_PINQ(B)
- Try
- Actual
- R(C);
- Vars
- S(f);OGATE,P_PINQ(B),XP(E)::B(D),XS(f)
- S(f);P_PINQ(B),SBLOCK,XS(H)::R(I)
- S(i);SBLOCK,XS(H)::R(I)
- P(c);N_GUARD,XR(C)::B(D)
- S(f);OGATE,P_PINQ(B)::P(E),XS(f)
- R(j);N_GUARD::S(H),XS(i)
- R(j);N_GUARD::QAR(B),XS(f)
- S(f);P_PINQ(B),S_CUTR(j)::S(H),XS(i)
- P(a);N_GUARD::QAR(B)
- P(c);N_GUARD::B(D)
- P(d);N_GUARD::QAR1(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).