MESON Chess Problem Database
Problem Display
PID: 8001 (8/4p3/4B3/8/2n5/8/2P5/k1K2Q2 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qa6#
- 1...Se3
- 2.Qa6#
- 1...Se5
- 2.Qa6#
- 1...Sd6
- 2.Qa6#
- 1...Sd2
- Tries
- 1.Qg2?
- 1...Ka2
- 2.Qa8#
- 1...Sd2
- 2.Qa8#
- 2.Qg7#
- 1...Sa3
- 2.Qg7#
- 1...Se3
- 2.Qa8#
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Se5
- 2.Qa8#
- 1...Sb6
- 2.Qg7#
- 1...Sd6
- 2.Qa8#
- 2.Qg7#
- 1...Sb2!
- 1...Ka2
- 1.Qd3?
- 1...Sb2
- 2.Qa3#
- 1...Sd2
- 2.Qa6#
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Sa3
- 2.Qxa3#
- 2.Qc3#
- 2.Qd4#
- 1...Se3
- 2.Qa6#
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Sa5
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Se5
- 2.Qa6#
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Sb6
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Sd6
- 2.Qa6#
- 2.Qa3#
- 2.Qc3#
- 2.Qd4#
- 1...Ka2!
- 1...Sb2
- 1.Qh3?
- 1...Sb2
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 2.Qc3#
- 2.Qh8#
- 1...Sa3
- 2.Qxa3#
- 2.Qc3#
- 2.Qh8#
- 1...Se3
- 2.Qh8#
- 1...Sa5
- 2.Qa3#
- 2.Qc3#
- 2.Qh8#
- 1...Se5
- 2.Qa3#
- 2.Qc3#
- 1...Sb6
- 2.Qa3#
- 2.Qc3#
- 2.Qh8#
- 1...Sd6
- 2.Qa3#
- 2.Qc3#
- 2.Qh8#
- 1...Ka2!
- 1...Sb2
- 1.Qe1?
- 1...Ka2
- 2.Qa5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qc3#
- 2.Qe5#
- 1...Se3
- 2.Qc3#
- 2.Qa5#
- 1...Sa5
- 2.Qc3#
- 2.Qxa5#
- 2.Qe5#
- 1...Se5
- 2.Qc3#
- 2.Qa5#
- 2.Qxe5#
- 1...Sb6
- 2.Qc3#
- 2.Qe5#
- 1...Sd6
- 2.Qc3#
- 2.Qa5#
- 2.Qe5#
- 1...Sb2!
- 1...Ka2
- 1.Qg1?
- 1...Ka2
- 2.Qa7#
- 1...Sd2
- 2.Qd4#
- 2.Qa7#
- 2.Qg7#
- 1...Sa3
- 2.Qd4#
- 2.Qg7#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.Qd4#
- 2.Qg7#
- 1...Se5
- 2.Qd4#
- 2.Qa7#
- 1...Sb6
- 2.Qd4#
- 2.Qg7#
- 1...Sd6
- 2.Qd4#
- 2.Qa7#
- 2.Qg7#
- 1...Sb2!
- 1...Ka2
- 1.Qh1?
- 1...Ka2
- 2.Qa8#
- 1...Sd2
- 2.Qa8#
- 2.Qh8#
- 1...Sa3
- 2.Qh8#
- 1...Se3
- 2.Qa8#
- 2.Qh8#
- 1...Sa5
- 2.Qh8#
- 1...Se5
- 2.Qa8#
- 1...Sb6
- 2.Qh8#
- 1...Sd6
- 2.Qa8#
- 2.Qh8#
- 1...Sb2!
- 1...Ka2
- 1.Qf5?
- 1...Ka2
- 2.Qa5#
- 1...Sd2
- 2.Qa5#
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qa5#
- 2.Qe5#
- 1...Sa5
- 2.Qxa5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sd6
- 2.Qa5#
- 2.Qe5#
- 1...Sb2!
- 1...Ka2
- 1.Qf6+?
- 1...Ka2
- 2.Qb2#
- 1...Sb2
- 2.Qxb2#
- 1...Se5
- 2.Qxe5#
- 1...exf6!
- 1...Ka2
- 1.Qf8?
- 1...Ka2
- 2.Qa8#
- 1...Sd2
- 2.Qg7#
- 2.Qa8#
- 2.Qh8#
- 1...Sa3
- 2.Qg7#
- 2.Qh8#
- 1...Se3
- 2.Qg7#
- 2.Qa8#
- 2.Qh8#
- 1...Sa5
- 2.Qg7#
- 2.Qh8#
- 1...Se5
- 2.Qa8#
- 1...Sb6
- 2.Qg7#
- 2.Qh8#
- 1...Sd6
- 2.Qg7#
- 2.Qa8#
- 2.Qh8#
- 1...Sb2!
- 1...Ka2
- 1.Qg2?
- Keys
- 1.Qf3!
- 1...Ka2
- 2.Qa8#
- 1...Sb2
- 2.Qa3#
- 1...Sd2
- 2.Qa8#
- 2.Qa3#
- 2.Qc3#
- 1...Sa3
- 2.Qxa3#
- 2.Qc3#
- 1...Se3
- 2.Qa8#
- 1...Sa5
- 2.Qa3#
- 2.Qc3#
- 1...Se5
- 2.Qa8#
- 2.Qa3#
- 2.Qc3#
- 1...Sb6
- 2.Qa3#
- 2.Qc3#
- 1...Sd6
- 2.Qa8#
- 2.Qa3#
- 2.Qc3#
- 1...Ka2
- 1.Qf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(b);OGATE::QAR(B)
- Tries
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Vars
- S(b);N_GUARD::QAR2(B)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(B);
- Vars
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- S(b);N_GUARD::QAB(B),XS(b)
- Refutation
- S(b);
- Try
- Q(B);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR1(B)
- S(b);N_GUARD,P_SPINS(b)::QAB1(B),XS(b)
- S(b);N_GUARD,P_SPINS(b)::QAB(B),XS(b)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAB(B)
- Refutation
- S(b);
- Try
- Actual
- Q(B);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR(B)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB(B)
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).