MESON Chess Problem Database
Problem Display
PID: 161176 (4qn2/7p/3B2pP/N1P2bR1/3kN3/4pQ2/B3P3/2K5 w - - 0 1)
Healey, Percy E
Melbourne Leader, 1911
#2
10 + 7
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Sxc6#
- 1...Qf7
- 2.Sc6#
- 1...Qe5
- 2.Sc6#
- 1...Qe6
- 2.Sc6#
- 1...Qe7
- 2.Sc6#
- 1...Qb8
- 2.Sc6#
- 1...Qd8
- 2.Sc6#
- 1...Bh3
- 2.Rd5#
- 1...Bg4
- 2.Rd5#
- 1...Be6
- 2.Be5#
- 1...Bd7
- 2.Rd5#
- 1...Bc8
- 2.Rd5#
- 1...Sd7
- 2.Sc6#
- 1...Qc6
- Tries
- 1.Be5+?
- 1...Qxe5
- 2.Sc6#
- 1...Kxe5!
- 1...Qxe5
- 1.Be5+?
- Keys
- 1.Be7!
- 1...Ke5
- 2.Bf6#
- 1...Qxe7
- 2.Sc6#
- 1...Bxe4
- 2.Qf6#
- 1...Qa4
- 2.Bf6#
- 1...Qb5
- 2.Bf6#
- 1...Qc6
- 2.Sxc6#
- 1...Qd7
- 2.Bf6#
- 1...Qf7
- 2.Sc6#
- 1...Qa8
- 2.Bf6#
- 1...Qb8
- 2.Sc6#
- 1...Qc8
- 2.Bf6#
- 1...Qd8
- 2.Sc6#
- 1...Bh3
- 2.Rd5#
- 1...Bg4
- 2.Rd5#
- 1...Be6
- 2.Bf6#
- 1...Bd7
- 2.Rd5#
- 1...Bc8
- 2.Rd5#
- 1...Se6
- 2.Bf6#
- 1...Sd7
- 2.Sc6#
- 1...Ke5
- 1.Be7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- Q(f);N_GUARD,P_PINP(G)::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- B(c);OGATE::R1(H)
- B(c);S_CUTQ(f)::B(I)
- S(g);S_CUTQ(f)::S(F)
- Tries
- Try
- B(I);CHECK
- Vars
- Q(f);XB(I)::S(F)
- Refutation
- K(b);P_SPINB(c),S_FLIGHT,XB(I)
- Try
- Actual
- B(I);
- Vars
- K(b);P_SPINB(c),S_FLIGHT::B(I)
- Q(f);N_GUARD,XB(I)::S(F)
- B(c);OGATE,SBLOCK,XS(E)::QAB(D)
- Q(f);N_GUARD::B(I)
- Q(f);N_GUARD,P_PINP(G)::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD,P_PINP(G)::B(I)
- B(c);OGATE::R1(H)
- B(c);S_CUTQ(f)::B(I)
- S(g);S_CUTQ(f)::B(I)
- S(g);S_CUTQ(f)::S(F)
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).