MESON Chess Problem Database
Problem Display
PID: 27216 (1K3Q2/4R3/R2Ppb2/4kqP1/5N2/4PP2/8/8 w - - 0 1)
Lebeck, Donald
Mate in Two!! (Lebeck), 1992
#2
9 + 4
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Qxf6#
- 1...Qd3
- 2.Qxf6#
- 1...Qh3
- 2.Qxf6#
- 1...Qe4
- 2.Qxf6#
- 1...Qg4
- 2.Qxf6#
- 1...Qh7
- 2.Qxf6#
- 1...Qc2
- Tries
- 1.Kc7?
- threat
- 2.Ra5#
- 1...Qb1
- 2.Qxf6#
- 1...Qd3
- 2.Qxf6#
- 1...Qe4
- 2.Qxf6#
- 1...Qc2+!
- threat
- 1.Rc7?
- threat
- 2.Ra5#
- 2.Rc5#
- 1...Qc2
- 2.Qxf6#
- 1...Qd3
- 2.Qxf6#
- 1...Qe4
- 2.Qxf6#
- 1...Be7
- 2.Rc5#
- 1...Qb1+!
- threat
- 1.Qc8?
- threat
- 2.Qc3#
- 2.Qc5#
- 1...Qxf4
- 2.Qxe6#
- 2.Qc5#
- 1...Qxg5
- 2.Qxe6#
- 2.Qc5#
- 1...Bxg5
- 2.Qc3#
- 1...Qc2
- 2.Qxe6#
- 1...Qd3
- 2.Qxe6#
- 1...Qh3
- 2.Qc5#
- 1...Qe4
- 2.Qxe6#
- 1...Qg4
- 2.Qc5#
- 1...Qg6
- 2.Qxe6#
- 2.Qc5#
- 1...Qh7
- 2.Qxe6#
- 2.Qc5#
- 1...Qb1+!
- threat
- 1.Kc7?
- Keys
- 1.Rb7!
- threat
- 2.Ra5#
- 2.Rb5#
- 1...Qb1
- 2.Qxf6#
- 1...Qc2
- 2.Qxf6#
- 1...Qd3
- 2.Qxf6#
- 1...Qe4
- 2.Qxf6#
- 1...Be7
- 2.Rb5#
- 1...Bd8
- 2.Rb5#
- threat
- 1.Rb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::QAB1(I),XB(d)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- R(E)
- Vars
- Q(b);N_GUARD::QAB1(I),XB(d)
- Refutation
- Q(b);CHECK
- Try
- R(G);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB1(I),XB(d)
- B(d);::R(G)
- Refutation
- Q(b);CHECK
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(d);XP(D)::QAB(I)
- Q(b);N_GUARD::QAR1(I),XP(c)
- Q(b);::QAR2(I)
- Refutation
- Q(b);CHECK
- Try
- Actual
- R(G);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,P_PINR(G)::QAB1(I),XB(d)
- Q(b);N_GUARD::QAB1(I),XB(d)
- B(d);::R(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).