MESON Chess Problem Database
Problem Display
PID: 8017 (8/2N1p3/7K/1p3N1R/1n1Pkppp/1Q6/1B4P1/8 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...f3
- 2.Qe3#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Sa2
- Tries
- 1.Kg5?
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...f3
- 2.Qe3#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...Sa2
- 1.Kg6?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Kg7?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Kh7?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Sg3+?
- 1...hxg3
- 2.Re5#
- 1...fxg3!
- 1...hxg3
- 1.Ba1?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 2.Qb1#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 2.Qb1#
- 1...Sa6
- 2.Qc2#
- 2.Qb1#
- 1...Sc6
- 2.Qc2#
- 2.Qb1#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Rg5?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Qd1?
- threat
- 2.Qe2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd5
- 2.Qc2#
- 2.Qb1#
- 1...f3!
- threat
- 1.Qc2+?
- 1...Sd3
- 2.Qe2#
- 2.Qc6#
- 1...Sxc2!
- 1...Sd3
- 1.Qc3?
- 1...f3
- 2.Qe3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qc6#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...h3!
- 1...f3
- 1.Kg5?
- Keys
- 1.Rxh4!
- 1...Kxf5
- 2.Qe6#
- 1...f3
- 2.Qxf3#
- 1...Sa2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g3
- 2.Sxg3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Kxf5
- 1.Rxh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(c);N_GUARD::QAR1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(c);N_GUARD::QAR1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- K(G);P-FLIGHT
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- K(G);S_FLIGHT
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- K(G);P-FLIGHT
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- S(E);CHECK
- Vars
- P(e);XS(E)::R1(F)
- Refutation
- P(c);XS(E)
- Try
- B(A);
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- QAR2(C)
- Vars
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- P(c);
- Try
- Q(C);CHECK
- Refutation
- S(a);XQ(C)
- Try
- Q(C);
- Vars
- P(c);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB(C)
- P(d);N_GUARD::QAB1(C)
- P(g);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- Actual
- R(F);XP(e)
- Vars
- K(b);S_FLIGHT,XS(E)::QAB1(C)
- P(c);P_SPINP(d)::QAB1(C),XP(c)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(C)
- P(d);P_SPINP(c)::S(E),XP(d)
- P(g);N_GUARD::S(E)
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).