MESON Chess Problem Database
Problem Display
PID: 75865 (8/pK6/N2p1N2/8/P1kn4/3R1P2/6n1/3Q4 w - - 0 1)
Howard, David M
Problem Observer, 2008
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qxc2#
- 1...Se2
- 2.Qb3#
- 1...Sb3
- 2.Qc2#
- 2.Qxb3#
- 1...Sxf3
- 2.Qc2#
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf5
- 2.Qc2#
- 2.Qb3#
- 1...Sc6
- 2.Qc2#
- 2.Qb3#
- 1...Se6
- 2.Qc2#
- 2.Qb3#
- 1...Sc2
- Tries
- 1.Se4?
- threat
- 2.Rxd4#
- 1...Sxf3
- 2.Sxd6#
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Sc2
- 2.Sxd6#
- 2.Rc3#
- 2.Qxc2#
- 1...Se2
- 2.Sxd6#
- 2.Qb3#
- 1...Sb3
- 2.Sxd6#
- 2.Rc3#
- 2.Qc2#
- 2.Qxb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf5
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Sc6
- 2.Sxd6#
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Se6
- 2.Sxd6#
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Kd5!
- threat
- 1.Sd5?
- threat
- 2.Rxd4#
- 1...Sxf3
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Sc2
- 2.Rc3#
- 2.Qxc2#
- 1...Se2
- 2.Qb3#
- 1...Sb3
- 2.Rc3#
- 2.Qc2#
- 2.Qxb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf5
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Sc6
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Se6
- 2.Rc3#
- 2.Qc2#
- 2.Qb3#
- 1...Kxd5!
- threat
- 1.Qc1+?
- 1...Sc2
- 2.Qxc2#
- 1...Kxd3!
- 1...Sc2
- 1.Se4?
- Keys
- 1.Sg4!
- 1...Kd5
- 2.Qb3#
- 1...Sxf3
- 2.Qc2#
- 2.Qb3#
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sc2
- 2.Qxc2#
- 1...Se2
- 2.Qb3#
- 1...Sb3
- 2.Qc2#
- 2.Qxb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf5
- 2.Qc2#
- 2.Qb3#
- 1...Sc6
- 2.Qc2#
- 2.Qb3#
- 1...Se6
- 2.Qc2#
- 2.Qb3#
- 1...d5
- 2.Se5#
- 1...Kd5
- 1.Sg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAR2(A),XS(c)
- S(c);N_GUARD::QAB1(A)
- Tries
- Try
- S(F);
- Threat
- R1(B),XS(c)
- Vars
- S(c);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINS(c),S_FLIGHT
- Try
- S(F);
- Threat
- R1(B),XS(c)
- Vars
- S(c);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINS(c),S_FLIGHT,XS(F)
- Try
- Q(A);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR2(A),XS(c)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Actual
- S(F);
- Vars
- K(b);P_SPINS(c),S_FLIGHT::QAB(A)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(c);N_GUARD::QAR2(A),XS(c)
- S(c);N_GUARD::QAB1(A)
- P(d);N_GUARD,SBLOCK::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).