MESON Chess Problem Database
Problem Display
PID: 108084 (2B3nn/5pp1/3B1kN1/K1p5/1p1qp2P/1P2N3/5pR1/7Q w - - 0 1)
Fothergill, Percival Guy Laugham (PGLF)
Kentish Mercury, 1899
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1+
- 2.Qxa1#
- 1...Qb2
- 2.Sd5#
- 1...Qc3
- 2.Sd5#
- 1...Qxe3
- 2.Be5#
- 1...Qe5
- 2.Bxe5#
- 1...Qd1
- 2.Be5#
- 1...Qd2
- 2.Be5#
- 1...Qd3
- 2.Be5#
- 1...Qc4
- 2.Be5#
- 1...Qd5
- 2.Sxd5#
- 1...Sh6
- 2.Be7#
- 1...Se7
- 2.Bxe7#
- 1...Sxg6
- 2.Sg4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...fxg6
- 2.Rxf2#
- 1...Qa1+
- Tries
- 1.Rg5?
- threat
- 2.Sg4#
- 1...Qa1+
- 2.Qxa1#
- 1...Qxe3
- 2.Be5#
- 1...Qd1
- 2.Be5#
- 1...Sh6
- 2.Be7#
- 1...fxg6!
- threat
- 1.Qa1?
- threat
- 2.Sd5#
- 1...fxg6
- 2.Rxf2#
- 1...Se7
- 2.Bxe7#
- 1...Qxa1+!
- threat
- 1.Qf1?
- threat
- 2.Qxf2#
- 1...Qa1+
- 2.Qxa1#
- 1...Qxe3
- 2.Be5#
- 1...Sxg6
- 2.Sg4#
- 1...Qb2
- 2.Sd5#
- 1...Qe5
- 2.Bxe5#
- 1...Qd1
- 2.Be5#
- 1...Qd2
- 2.Be5#
- 1...Qd5
- 2.Sxd5#
- 1...Sh6
- 2.Be7#
- 1...Se7
- 2.Bxe7#
- 1...Qxd6!
- threat
- 1.Rg5?
- Keys
- 1.Qd1!
- 1...Qa1+
- 2.Qxa1#
- 1...Qxe3
- 2.Be5#
- 1...Qxd1
- 2.Be5#
- 1...Qxd6
- 2.Qxd6#
- 1...Sxg6
- 2.Sg4#
- 1...fxg6
- 2.Rxf2#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...c4
- 2.Qxd4#
- 1...Qb2
- 2.Sd5#
- 1...Qc3
- 2.Sd5#
- 1...Qe5
- 2.Bxe5#
- 1...Qd2
- 2.Be5#
- 1...Qd3
- 2.Be5#
- 1...Qc4
- 2.Be5#
- 1...Qd5
- 2.Sxd5#
- 1...Sh6
- 2.Be7#
- 1...Se7
- 2.Bxe7#
- 1...Qa1+
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,OGATEB::QAB(A),XQ(c)
- Q(c);N_GUARD::S(D)
- Q(c);N_GUARD,XS(D)::B(G)
- Q(c);N_GUARD::B(G),XQ(c)
- Q(c);N_GUARD::B(G)
- Q(c);N_GUARD::S(D),XQ(c)
- S(i);N_GUARD::B(G)
- S(i);N_GUARD::B(G),XS(i)
- S(j);SBLOCK,XS(H)::S(D)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(g);SBLOCK,XS(H)::R(B),XP(a)
- Tries
- Try
- R(B);
- Threat
- S(D)
- Vars
- Q(c);CHECK,OGATEB::QAB(A),XQ(c)
- Q(c);N_GUARD,XS(D)::B(G)
- Q(c);N_GUARD::B(G)
- S(i);N_GUARD::B(G)
- Refutation
- P(g);XS(H)
- Try
- Q(A);P_PINQ(c)
- Threat
- S(D)
- Vars
- P(g);SBLOCK,XS(H)::R(B),XP(a)
- S(i);N_GUARD::B(G),XS(i)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(A)
- Try
- Q(A);P_PINP(a)
- Threat
- QAR(A),XP(a)
- Vars
- Q(c);CHECK,OGATEB::QAB(A),XQ(c)
- Q(c);N_GUARD,XS(D)::B(G)
- S(j);SBLOCK,XS(H)::S(D)
- Q(c);N_GUARD::S(D)
- Q(c);N_GUARD::B(G),XQ(c)
- Q(c);N_GUARD::B(G)
- Q(c);N_GUARD::S(D),XQ(c)
- S(i);N_GUARD::B(G)
- S(i);N_GUARD::B(G),XS(i)
- Refutation
- Q(c);XB(G)
- Try
- Actual
- Q(A);
- Vars
- Q(c);CHECK,OGATEB::QAB(A),XQ(c)
- Q(c);N_GUARD,XS(D)::B(G)
- Q(c);N_GUARD,XQ(A)::B(G)
- Q(c);OGATE,XB(G)::QAR2(A),XQ(c)
- S(j);SBLOCK,XS(H)::S(D)
- P(g);SBLOCK,XS(H)::R(B),XP(a)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(e);N_GUARD::QAB(A),XQ(c)
- Q(c);N_GUARD::S(D)
- Q(c);N_GUARD::B(G),XQ(c)
- Q(c);N_GUARD::B(G)
- Q(c);N_GUARD::S(D),XQ(c)
- S(i);N_GUARD::B(G)
- S(i);N_GUARD::B(G),XS(i)
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).