MESON Chess Problem Database
Problem Display
PID: 143898 (K7/8/3p1n2/3k2B1/1p2N3/1Nb4Q/P3R3/2R4B w - - 0 1)
Silvera, Arthur P
St. James' Budget, 1874
(First published on Mon Mar 2 1874)
#2
9 + 5
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Sxd6#
- 1...Ke5
- 2.Sxf6#
- 1...Ba1
- 2.Sxf6#
- 1...Be1
- 2.Sxf6#
- 2.Qf5#
- 1...Bb2
- 2.Sxf6#
- 1...Bd2
- 2.Sxf6#
- 2.Qf5#
- 1...Bd4
- 2.Sxf6#
- 1...Be5
- 2.Sxf6#
- 1...Sg4
- 2.Sed2#
- 1...Sh5
- 2.Sed2#
- 1...Sd7
- 2.Sed2#
- 1...Sh7
- 2.Sed2#
- 1...Se8
- 2.Sed2#
- 1...Sg8
- 2.Sed2#
- 1...Kc4
- Tries
- 1.Kb7?
- 1...Kc4
- 2.Sxd6#
- 1...Ke5
- 2.Sxf6#
- 1...Sg4
- 2.Sed2#
- 1...Ba1
- 2.Sxf6#
- 1...Be1
- 2.Sxf6#
- 2.Qf5#
- 1...Bb2
- 2.Sxf6#
- 1...Bd2
- 2.Sxf6#
- 2.Qf5#
- 1...Bd4
- 2.Sxf6#
- 1...Be5
- 2.Sxf6#
- 1...Sh5
- 2.Sed2#
- 1...Sd7
- 2.Sed2#
- 1...Sh7
- 2.Sed2#
- 1...Se8
- 2.Sed2#
- 1...Sg8
- 2.Sed2#
- 1...Sxe4!
- 1...Kc4
- 1.Sf2+?
- 1...Kc4
- 2.Qd3#
- 1...Se4!
- 1...Kc4
- 1.Sec5+?
- 1...Kc4
- 2.Qd3#
- 1...Se4!
- 1...Kc4
- 1.Bxf6?
- threat
- 2.Sed2#
- 1...Kc4
- 2.Sxd6#
- 1...Bd2
- 2.Sexd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sg5#
- 2.Rxd2#
- 2.Qf5#
- 1...Kc6!
- threat
- 1.Rxc3?
- threat
- 2.Sxf6#
- 2.Qf5#
- 1...Ke5
- 2.Sxf6#
- 1...Sxe4
- 2.Qf5#
- 1...Sg4
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 1...Sh5
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 2.Qf5#
- 1...Sd7
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 1...Sh7
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 2.Qf5#
- 1...Se8
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 2.Qf5#
- 1...Sg8
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sec5#
- 2.Sf6#
- 2.Qf5#
- 1...bxc3!
- threat
- 1.Qf5+?
- 1...Kc4
- 2.Sed2#
- 2.Sxd6#
- 1...Be5
- 2.Sxf6#
- 2.Rd2#
- 1...Kc6!
- 1...Kc4
- 1.Qc8?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 1...Ke5
- 2.Sxf6#
- 1...Sd7
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Ba1
- 2.Sc3#
- 2.Sxf6#
- 1...Be1
- 2.Sc3#
- 2.Sxf6#
- 2.Qf5#
- 1...Bb2
- 2.Sc3#
- 2.Sxf6#
- 1...Bd2
- 2.Sc3#
- 2.Sxf6#
- 2.Qf5#
- 1...Bd4
- 2.Sc3#
- 2.Sxf6#
- 1...Be5
- 2.Sc3#
- 2.Sxf6#
- 2.Qc4#
- 1...Sg4
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Sh5
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Sh7
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Se8
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Sg8
- 2.Sed2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sf6#
- 1...Sxe4!
- threat
- 1.Kb7?
- Keys
- 1.Qh7!
- 1...Kc4
- 2.Sxd6#
- 1...Ke5
- 2.Sxf6#
- 1...Kc6
- 2.Qb7#
- 1...Ke6
- 2.Sec5#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxh7
- 2.Sed2#
- 1...Ba1
- 2.Sxf6#
- 1...Be1
- 2.Sxf6#
- 2.Qf5#
- 1...Bb2
- 2.Sxf6#
- 1...Bd2
- 2.Sxf6#
- 2.Qf5#
- 1...Bd4
- 2.Sxf6#
- 1...Be5
- 2.Qf7#
- 1...Sg4
- 2.Sed2#
- 1...Sh5
- 2.Sed2#
- 1...Sd7
- 2.Sed2#
- 1...Se8
- 2.Sed2#
- 1...Sg8
- 2.Sed2#
- 1...Kc4
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);P_SPINB(a),S_FLIGHT::S(G),XP(d)
- K(c);P-FLIGHT::R(D)+S(G),XS(e)
- B(a);::B(B)+S(G),DCHECK,XS(e)
- S(e);N_GUARD::B(B)+S(G)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(G),XP(d)
- K(c);P-FLIGHT::R(D)+S(G),XS(e)
- S(e);N_GUARD::B(B)+S(G)
- B(a);::B(B)+S(G),DCHECK,XS(e)
- Refutation
- S(e);P_SPINS(e),XS(G)
- Try
- S(G);CHECK
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAB1(F)
- Refutation
- S(e);P_SPINS(e)
- Try
- S(G);CHECK
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAB1(F)
- Refutation
- S(e);P_SPINS(e)
- Try
- B(H);XS(e)
- Threat
- B(B)+S(G)
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(G),XP(d)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- R(A);XB(a)
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::R(D)+S(G),XS(e)
- S(e);P_SPINS(e),XS(G)::QAR2(F)
- Refutation
- P(b);XR(A)
- Try
- Q(F);CHECK
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::R(D)+S(G),XS(e)
- Refutation
- S(e);P_SPINS(e),XS(G)
- Try
- Actual
- Q(F);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::S(G),XP(d)
- K(c);P-FLIGHT::R(D)+S(G),XS(e)
- K(c);P_SPINB(a),S_FLIGHT::QAB1(F)
- K(c);S_FLIGHT::R(D)+S(G),DCHECK
- S(e);OGATE,P_SPINS(e),XS(G)::QAB1(F),XS(e)
- S(e);N_GUARD,XQ(F)::B(B)+S(G)
- B(a);::B(B)+S(G),DCHECK,XS(e)
- B(a);SBLOCK::QAB(F)
- S(e);N_GUARD::B(B)+S(G)
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).