MESON Chess Problem Database
Problem Display
PID: 157511 (1Q4B1/6np/2pp2pP/4k1P1/n6N/p2b2P1/P1pN4/2K3B1 w - - 0 1)
Butler, Henry William
Brighton Herald, 0000
#2
10 + 10
| 15351 | SCPF/BCPS Black Books | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Sc4#
- 1...Bf5
- 2.Shf3#
- 1...Sf5
- 2.Shf3#
- 1...Sh5
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...Be4
- Tries
- 1.Bc5?
- threat
- 2.Qxd6#
- 1...Sf5
- 2.Shf3#
- 1...Se8
- 2.Qxe8#
- 1...Sxc5!
- threat
- 1.Qa7?
- threat
- 2.Bd4#
- 2.Qd4#
- 2.Qxg7#
- 1...d5
- 2.Qb8#
- 2.Qc7#
- 1...Sc5
- 2.Qxg7#
- 1...Sb6
- 2.Qxg7#
- 1...Sf5
- 2.Shf3#
- 1...Sh5
- 2.Bd4#
- 2.Qd4#
- 2.Qe7#
- 1...Se8
- 2.Bd4#
- 2.Qd4#
- 2.Qe7#
- 1...c5
- 2.Qxg7#
- 1...Se6!
- threat
- 1.Qc7?
- threat
- 2.Qxg7#
- 1...Sf5
- 2.Shf3#
- 1...Sh5
- 2.Qe7#
- 1...Se8
- 2.Qe7#
- 1...Se6!
- threat
- 1.Qb7?
- threat
- 2.Qxg7#
- 1...d5
- 2.Qc7#
- 2.Qb8#
- 1...Sf5
- 2.Shf3#
- 1...Sh5
- 2.Qe7#
- 1...Se8
- 2.Qe7#
- 1...Se6!
- threat
- 1.Qc8?
- threat
- 2.Shf3#
- 1...Se6
- 2.Qxe6#
- 1...d5
- 2.Qc7#
- 2.Qb8#
- 1...Be4
- 2.Sc4#
- 1...Be2!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 1...Sh5
- 2.Qe7#
- 2.Qe8#
- 1...Se8
- 2.Qe7#
- 2.Qxe8#
- 1...Se6!
- threat
- 1.Qe8+?
- 1...Se6
- 2.Qxe6#
- 1...Sxe8!
- 1...Se6
- 1.Qf8?
- threat
- 2.Shf3#
- 2.Qxg7#
- 2.Qf4#
- 2.Qf6#
- 1...Be2
- 2.Qxg7#
- 2.Qf4#
- 2.Qf6#
- 1...Be4
- 2.Sc4#
- 2.Qxg7#
- 2.Qf4#
- 2.Qf6#
- 1...Bf5
- 2.Shf3#
- 2.Qxg7#
- 2.Qf6#
- 1...Sf5
- 2.Shf3#
- 2.Qf6#
- 1...Sh5
- 2.Shf3#
- 2.Qe7#
- 2.Qe8#
- 1...Se8
- 2.Shf3#
- 2.Qe7#
- 2.Qf4#
- 2.Qxe8#
- 1...d5
- 2.Shf3#
- 2.Qf4#
- 2.Qf6#
- 2.Qb8#
- 1...Se6!
- threat
- 1.Bc5?
- Keys
- 1.Qb3!
- 1...d5
- 2.Qb8#
- 1...Bf1
- 2.Qe3#
- 1...Be2
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Be4
- 2.Sc4#
- 1...Bb5
- 2.Qe3#
- 1...Bf5
- 2.Shf3#
- 1...Ba6
- 2.Qe3#
- 1...Sb2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sc5
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...Sf5
- 2.Shf3#
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...c5
- 2.Qd5#
- 1...d5
- 1.Qb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- B(c);N_GUARD,SBLOCK::S(D)
- B(c);SBLOCK::S(F)
- S(i);SBLOCK::S(F)
- S(i);N_GUARD::QAR(I)
- S(i);N_GUARD::QAR(I),XS(i)
- Tries
- Try
- B(B);
- Threat
- QAB1(I),XP(g)
- Vars
- S(i);SBLOCK::S(F)
- S(i);N_GUARD::QAR(I),XS(i)
- Refutation
- S(d);XB(B)
- Try
- Q(I);N_PINP(g)
- Threat
- DUALS(3)
- Vars
- S(d);::QAB(I),XS(i)
- S(i);SBLOCK::S(F)
- P(f);::QAB(I),XS(i)
- Refutation
- S(i);
- Try
- Q(I);
- Threat
- QAB(I),XS(i)
- Vars
- S(i);SBLOCK::S(F)
- S(i);N_GUARD::QAR2(I)
- Refutation
- S(i);
- Try
- Q(I);N_PINP(g)
- Threat
- QAB(I),XS(i)
- Vars
- S(i);SBLOCK::S(F)
- S(i);N_GUARD::QAR2(I)
- Refutation
- S(i);
- Try
- Q(I);N_PINP(g)
- Threat
- S(F)
- Vars
- S(i);N_GUARD::QAR1(I),XS(i)
- B(c);N_GUARD,SBLOCK::S(D)
- Refutation
- B(c);
- Try
- Q(I);N_PINP(g)
- Threat
- QAB1(I)
- Refutation
- S(i);
- Try
- Q(I);CHECK,N_PINP(g)
- Vars
- S(i);N_GUARD,P_SPINS(i)::QAR1(I),XS(i)
- Refutation
- S(i);XQ(I)
- Try
- Q(I);N_PINP(g)
- Threat
- DUALS(4)
- Refutation
- S(i);
- Try
- Actual
- Q(I);N_PINP(g)
- Vars
- P(g);OGATEB::QAB(I)
- B(c);OGATE::QAR2(I)
- B(c);N_GUARD,SBLOCK::S(D)
- B(c);SBLOCK::S(F)
- S(d);N_GUARD::QAB(I)
- S(d);N_GUARD::QAB(I),XS(d)
- S(i);N_GUARD::QAR1(I)
- S(i);N_GUARD::QAR1(I),XS(i)
- P(f);N_GUARD::QAR1(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).