MESON Chess Problem Database
Problem Display
PID: 154629 (2b4N/8/1p4R1/1Qb1Bk1n/K1N1q2P/p3p2P/P3P3/1B6 w - - 0 1)
Williams, Philip Hamilton
Devon and Exeter Gazette, 1906
#2
11 + 8
| 15351 | SCPF/BCPS Black Books | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qxb1
- 2.Qxb1#
- 1...Qc2+
- 2.Bxc2#
- 1...Qd3
- 2.Bxd3#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Bxd6#
- 1...Be7
- 2.Bd6#
- 1...Bf8
- 2.Bd6#
- 1...Ba6
- 2.Qd7#
- 1...Be6
- 2.Rg5#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sg3
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...Sg7
- 2.Rf6#
- 1...Qxb1
- Tries
- 1.Kb3?
- 1...Qc2+
- 2.Bxc2#
- 1...Qd3+
- 2.Bxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Sxe3#
- 2.Sxd6#
- 2.Bxd6#
- 1...Be7
- 2.Sxe3#
- 2.Bd6#
- 1...Bf8
- 2.Sxe3#
- 2.Bd6#
- 1...Ba6
- 2.Qd7#
- 1...Be6
- 2.Rg5#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sg3
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Qxb1+!
- 1...Qc2+
- 1.Bc2?
- 1...Qd3
- 2.Bxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Bxd6#
- 1...Be7
- 2.Bd6#
- 1...Bf8
- 2.Bd6#
- 1...Ba6
- 2.Qd7#
- 1...Be6
- 2.Rg5#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sg3
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Qxc2+!
- 1...Qd3
- 1.Bd3?
- 1...Sf6
- 2.Rxf6#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Bxd6#
- 1...Be7
- 2.Bd6#
- 1...Bf8
- 2.Bd6#
- 1...Ba6
- 2.Qd7#
- 1...Be6
- 2.Rg5#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sg3
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Qxd3!
- 1...Sf6
- 1.Qc6?
- threat
- 2.Bxe4#
- 2.Rg5#
- 2.Qxe4#
- 2.Qxc8#
- 1...Qc2+
- 2.Bxc2#
- 1...Qxb1
- 2.Rg5#
- 1...Be6
- 2.Bxe4#
- 2.Rg5#
- 2.Qxe4#
- 2.Qxe6#
- 1...Qd3
- 2.Bxd3#
- 2.Rg5#
- 1...Bd6
- 2.Bxe4#
- 2.Qxe4#
- 2.Qxc8#
- 1...Be7
- 2.Bxe4#
- 2.Qxe4#
- 2.Qxc8#
- 1...Ba6
- 2.Bxe4#
- 2.Rg5#
- 2.Qxe4#
- 2.Qd7#
- 2.Qe6#
- 1...Bb7
- 2.Bxe4#
- 2.Rg5#
- 2.Qd7#
- 2.Qe6#
- 1...Bd7
- 2.Bxe4#
- 2.Rg5#
- 2.Qxd7#
- 1...Sg3
- 2.Rg5#
- 2.Rf6#
- 2.Qf6#
- 2.Qxc8#
- 1...Sf4
- 2.Bxe4#
- 2.Rg5#
- 2.Rf6#
- 2.Qxe4#
- 2.Qf6#
- 1...Sf6
- 2.Rg5#
- 2.Rxf6#
- 2.Qxf6#
- 1...Sg7
- 2.Bxe4#
- 2.Rg5#
- 2.Rf6#
- 2.Qxe4#
- 2.Qf6#
- 1...b5+!
- threat
- 1.Kb3?
- Keys
- 1.Rh6!
- 1...Qc2+
- 2.Bxc2#
- 1...Qxb1
- 2.Qxb1#
- 1...Qd3
- 2.Bxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Be6
- 2.Rxh5#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Bxd6#
- 1...Be7
- 2.Bd6#
- 1...Bf8
- 2.Bd6#
- 1...Ba6
- 2.Qd7#
- 1...Bb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sg3
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...Qc2+
- 1.Rh6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_PINS(F),N_SPINQ(c),OGATE,XB(A)::QAB(H),XQ(c)
- Q(c);CHECK,N_PINS(F),OGATEB::B(A),XQ(c)
- Q(c);N_PINS(F),OGATEB::B(A),XQ(c)
- B(d);N_PINS(F)::S(F),XP(b)
- B(d);N_PINS(F)::S(F)
- B(d);OGATEB::QAR(H)+B(I),XB(d)
- B(d);OGATEB::QAR(H)+B(I)
- B(h);N_GUARD::QAB(H)
- B(h);SBLOCK::R1(J)
- B(h);N_GUARD,P_PINQ(H)::QAB(H),XB(h)
- S(f);N_GUARD::R1(J)
- S(f);N_GUARD::R1(J),XS(f)
- Tries
- Try
- K(E);N_SPINS(F),S_FLIGHT
- Vars
- Q(c);CHECK,OGATEB::B(A),XQ(c)
- S(f);N_GUARD::R1(J),XS(f)
- B(d);N_GUARD::S(F),XP(b)
- B(d);N_GUARD::S(F)
- B(h);N_GUARD::QAB(H)
- B(h);P_PINS(F),SBLOCK::R1(J)
- B(h);N_GUARD::QAB(H),XB(h)
- S(f);N_GUARD::R1(J)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XB(A)
- Try
- B(A);
- Vars
- Q(c);N_PINS(F),OGATEB::B(A),XQ(c)
- S(f);N_GUARD::R1(J),XS(f)
- B(d);N_PINS(F)::S(F),XP(b)
- B(d);N_PINS(F)::S(F)
- B(d);OGATEB::QAR(H)+B(I),XB(d)
- B(d);OGATEB::QAR(H)+B(I)
- B(h);N_GUARD::QAB(H)
- B(h);SBLOCK::R1(J)
- B(h);N_GUARD,P_PINQ(H)::QAB(H),XB(h)
- S(f);N_GUARD::R1(J)
- Refutation
- Q(c);CHECK,N_PINS(F),N_SPINQ(c),XB(A)
- Try
- B(A);
- Vars
- S(f);N_GUARD::R1(J),XS(f)
- B(d);N_PINS(F)::S(F),XP(b)
- B(d);N_PINS(F)::S(F)
- B(d);OGATEB::QAR(H)+B(I),XB(d)
- B(d);OGATEB::QAR(H)+B(I)
- B(h);N_GUARD::QAB(H)
- B(h);SBLOCK::R1(J)
- B(h);N_GUARD,P_PINQ(H)::QAB(H),XB(h)
- S(f);N_GUARD::R1(J)
- Refutation
- Q(c);N_PINS(F),N_SPINQ(c),XB(A)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- Q(c);CHECK,N_PINS(F),OGATEB::B(A),XQ(c)
- Q(c);N_PINS(F),N_SPINQ(c),XB(A)::R1(J)
- Refutation
- P(g);CHECK
- Try
- Actual
- R(J);
- Vars
- Q(c);CHECK,N_PINS(F),OGATEB::B(A),XQ(c)
- Q(c);N_PINS(F),N_SPINQ(c),OGATE,XB(A)::QAB(H),XQ(c)
- Q(c);N_PINS(F),OGATEB::B(A),XQ(c)
- S(f);N_GUARD::R1(J),XS(f)
- B(h);SBLOCK::R(J),XS(f)
- B(d);N_PINS(F)::S(F),XP(b)
- B(d);N_PINS(F)::S(F)
- B(d);OGATEB::QAR(H)+B(I),XB(d)
- B(d);OGATEB::QAR(H)+B(I)
- B(h);N_GUARD::QAB(H)
- B(h);N_GUARD,P_PINQ(H)::QAB(H),XB(h)
- S(f);N_GUARD::R1(J)
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).