MESON Chess Problem Database
Problem Display
PID: 278308 (8/8/8/8/8/p2N4/8/rknQ3K w - - 0 1)
Limbach, Saturnin
Stella Polaris, 1972
#2
3 + 4
SOLUTION
- SOUND
- Sets
- 1...Ka2
- 2.Qc2#
- 1...Ra2
- 2.Qxc1#
- 1...a2
- 2.Qxc1#
- 1...Ka2
- Tries
- 1.Kg2?
- 1...Ka2
- 2.Qc2#
- 1...a2
- 2.Qxc1#
- 1...Ra2+!
- 1...Ka2
- 1.Kh2?
- 1...Ka2
- 2.Qc2#
- 1...a2
- 2.Qxc1#
- 1...Ra2+!
- 1...Ka2
- 1.Sxc1?
- 1...Ra2
- 2.Sd3#
- 1...a2
- 2.Sd3#
- 1...Kb2!
- 1...Ra2
- 1.Se1?
- threat
- 2.Qc2#
- 1...Ka2
- 2.Qc2#
- 1...Kb2
- 2.Qc2#
- 1...Ra2!
- threat
- 1.Sb4?
- threat
- 2.Qc2#
- 1...Kb2
- 2.Qc2#
- 1...Ra2!
- threat
- 1.Kg2?
- Keys
- 1.Kg1!
- 1...Ka2
- 2.Qc2#
- 1...Ra2
- 2.Qxc1#
- 1...a2
- 2.Qxc1#
- 1...Ka2
- 1.Kg1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_GUARD,N_SPINS(c),S_FLIGHT::QAR2(A)
- R(a);SBLOCK::QAR1(A),XS(c)
- P(d);SBLOCK::QAR1(A),XS(c)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(b);N_GUARD,N_SPINS(c),S_FLIGHT::QAR2(A)
- P(d);SBLOCK::QAR1(A),XS(c)
- Refutation
- R(a);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- K(b);N_GUARD,N_SPINS(c),S_FLIGHT::QAR2(A)
- P(d);SBLOCK::QAR1(A),XS(c)
- Refutation
- R(a);CHECK
- Try
- S(C);XS(c)
- Vars
- R(a);SBLOCK::QAR(A)+S(C)
- P(d);SBLOCK::QAR(A)+S(C)
- Refutation
- K(b);P-FLIGHT
- Try
- S(C);
- Threat
- QAB1(A)
- Vars
- K(b);N_SPINS(c),S_FLIGHT::QAR2(A)
- K(b);N_SPINS(c),P-FLIGHT::QAR1(A)
- Refutation
- R(a);
- Try
- S(C);
- Threat
- QAB1(A)
- Vars
- K(b);N_SPINS(c),P-FLIGHT::QAR1(A)
- Refutation
- R(a);
- Try
- Actual
- K(B);P-FLIGHT
- Vars
- K(b);N_GUARD,N_SPINS(c),S_FLIGHT::QAR2(A)
- R(a);SBLOCK::QAR1(A),XS(c)
- P(d);SBLOCK::QAR1(A),XS(c)
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).