MESON Chess Problem Database
Problem Display
PID: 8025 (6K1/2B5/4B3/6P1/2P2n2/QP3Pp1/2P4k/2R3R1 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
11 + 3
SOLUTION
- SOUND
- Sets
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 1...Sg6
- 2.Bxg3#
- 1...g2
- 2.Bxf4#
- 1...Sg2
- Tries
- 1.Qc5?
- 1...g2
- 2.Bxf4#
- 1...Se2
- 2.Qf2#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qf2#
- 1...Sh5
- 2.Qf2#
- 1...Sg6
- 2.Bxg3#
- 2.Qf2#
- 1...Sxe6!
- 1...g2
- 1.Qd6?
- 1...Sxe6
- 2.Qxg3#
- 1...g2
- 2.Qxf4#
- 1...Sg2
- 2.Rh1#
- 2.Qxg3#
- 1...Sd3
- 2.Qxg3#
- 1...Sh3
- 2.Qxg3#
- 1...Sd5
- 2.Qxg3#
- 1...Sh5
- 2.Qd2#
- 1...Sg6
- 2.Qxg3#
- 2.Qd2#
- 1...Se2!
- 1...Sxe6
- 1.Qe7?
- 1...Sxe6
- 2.Qh7#
- 1...g2
- 2.Bxf4#
- 1...Se2
- 2.Qh7#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 2.Qh7#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qh7#
- 1...Sg6
- 2.Bxg3#
- 1...Sh5!
- 1...Sxe6
- 1.Qf8?
- 1...Sxe6
- 2.Qh6#
- 1...g2
- 2.Bxf4#
- 2.Qxf4#
- 1...Se2
- 2.Qh6#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 2.Qh6#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qh6#
- 1...Sg6
- 2.Bxg3#
- 1...Sh5!
- 1...Sxe6
- 1.Qa1?
- 1...Sxe6
- 2.Qh8#
- 1...g2
- 2.Bxf4#
- 1...Se2
- 2.Qh8#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 2.Qh8#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qh8#
- 1...Sg6
- 2.Bxg3#
- 1...Sh5!
- 1...Sxe6
- 1.Qa7?
- 1...g2
- 2.Bxf4#
- 1...Se2
- 2.Qf2#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qf2#
- 1...Sh5
- 2.Qf2#
- 1...Sg6
- 2.Bxg3#
- 2.Qf2#
- 1...Sxe6!
- 1...g2
- 1.Qc5?
- Keys
- 1.Qb2!
- 1...Sxe6
- 2.Qh8#
- 1...g2
- 2.Bxf4#
- 1...Se2
- 2.Qh8#
- 1...Sg2
- 2.Rh1#
- 1...Sd3
- 2.Bxg3#
- 2.Qh8#
- 2.cxd3#
- 1...Sh3
- 2.Bxg3#
- 1...Sd5
- 2.Bxg3#
- 2.Qh8#
- 2.c3#
- 1...Sh5
- 2.c3#
- 1...Sg6
- 2.Bxg3#
- 2.c3#
- 1...Sxe6
- 1.Qb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- Tries
- Try
- Q(D);
- Vars
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- S(c);N_GUARD,P_SPINP(b)::QAR2(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- Refutation
- S(c);P_SPINP(b),XB(I)
- Try
- Q(D);
- Vars
- S(c);OGATE,P_SPINP(b),XB(I)::QAB1(D),XP(b)
- P(b);OGATEB,P_SPINS(c)::QAB(D),XS(c)
- S(c);OGATE,P_SPINP(b)::QAB1(D),XP(b)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)
- Refutation
- S(c);P_SPINP(b)
- Try
- Q(D);
- Vars
- S(c);N_GUARD,P_SPINP(b),XB(I)::QAR(D)
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- Refutation
- S(c);P_SPINP(b)
- Try
- Q(D);
- Vars
- S(c);N_GUARD,P_SPINP(b),XB(I)::QAR(D)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- Refutation
- S(c);P_SPINP(b)
- Try
- Q(D);
- Vars
- S(c);N_GUARD,P_SPINP(b),XB(I)::QAR(D)
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- Refutation
- S(c);P_SPINP(b)
- Try
- Q(D);
- Vars
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- S(c);N_GUARD,P_SPINP(b)::QAR2(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- Refutation
- S(c);P_SPINP(b),XB(I)
- Try
- Actual
- Q(D);
- Vars
- S(c);N_GUARD,P_SPINP(b),XB(I)::QAR(D)
- P(b);OGATEB,P_SPINS(c)::B(J),XS(c)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)
- S(c);P_SPINP(b),SBLOCK::R1(B)
- S(c);OGATE,P_SPINP(b)::B(J),XP(b)
- S(c);N_GUARD,P_SPINP(b)::QAR(D)+P(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).