MESON Chess Problem Database
Problem Display
PID: 140471 (5B1K/5R2/q3p3/r3k3/2n2NR1/p2BPP2/6rn/b1Q1N3 w - - 0 1)
Rice, John Michael
Mat Plus, 1998
#2
10 + 9
| 6490 | yacpdb | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Bg7#
- 1...Ra2
- 2.Rg5#
- 1...Rb2
- 2.Rg5#
- 2.Qc3#
- 1...Rc2
- 2.Rg5#
- 1...Rd2
- 2.Rg5#
- 1...Re2
- 2.Rg5#
- 1...Rf2
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Bc3
- 2.Qxc3#
- 1...Sxf3
- 2.Sxf3#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sxe3
- 2.Qxe3#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 1...Qd6
- Tries
- 1.Bb1?
- threat
- 2.Sed3#
- 1...Sxf3
- 2.Sxf3#
- 1...Sxe3
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 1...Rd2
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Qc3#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 1...Sd2!
- threat
- 1.Bf1?
- threat
- 2.Sed3#
- 1...Sxe3
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 1...Rd2
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 1...Sxf3!
- threat
- 1.Bc2?
- threat
- 2.Sed3#
- 1...Sxf3
- 2.Sxf3#
- 1...Sxe3
- 2.Qxe3#
- 2.Qxa1#
- 1...Qd6
- 2.Bg7#
- 1...Rd2
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qxa1#
- 1...Sd6
- 2.Bg7#
- 2.Qxa1#
- 1...Sb2!
- threat
- 1.Be2?
- threat
- 2.Sed3#
- 1...Sxe3
- 2.Qxe3#
- 2.Qxa1#
- 1...Qd6
- 2.Bg7#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qxa1#
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 2.Qxa1#
- 1...Sxf3!
- threat
- 1.Bxc4?
- threat
- 2.Sed3#
- 2.Sfd3#
- 2.Sg6#
- 1...Rxg4
- 2.Sed3#
- 2.Sfd3#
- 2.Qxa1#
- 1...Sxf3
- 2.Sfd3#
- 2.Sg6#
- 1...Qd6
- 2.Sg6#
- 2.Bg7#
- 1...Rd2
- 2.Sg6#
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Qxc4!
- threat
- 1.Be4?
- threat
- 2.Sed3#
- 2.Sfd3#
- 2.Sg6#
- 1...Rxg4
- 2.Sed3#
- 2.Sfd3#
- 1...Sxf3
- 2.Sfd3#
- 2.Sg6#
- 1...Qd6
- 2.Sg6#
- 2.Bg7#
- 1...Rd2
- 2.Sg6#
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Sg6#
- 2.Qc3#
- 1...Sd2
- 2.Sg6#
- 2.Qxa1#
- 1...Sb6
- 2.Sg6#
- 2.Qc7#
- 1...Sd6
- 2.Sg6#
- 2.Bg7#
- 1...Sxe3!
- threat
- 1.Bf5?
- threat
- 2.Sed3#
- 1...Sxe3
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 1...Rd2!
- threat
- 1.Bg6?
- threat
- 2.Sed3#
- 1...Sxe3
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 1...Rd2
- 2.Rg5#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- 1...Rd5!
- threat
- 1.Rxg2?
- threat
- 2.Rg5#
- 1...Sxf3
- 2.Sxf3#
- 1...Sxe3
- 2.Qxe3#
- 2.Qxa1#
- 1...Sd6
- 2.Bg7#
- 2.Qxa1#
- 1...Sg4!
- threat
- 1.Qxa1+?
- 1...Rb2
- 2.Rg5#
- 1...Sb2!
- 1...Rb2
- 1.Qxc4?
- threat
- 2.Sg6#
- 2.Qe4#
- 1...Rxg4
- 2.Qe4#
- 1...Qb7
- 2.Sg6#
- 2.Qxe6#
- 1...Qc6
- 2.Sg6#
- 1...Qa8
- 2.Sg6#
- 2.Qxe6#
- 2.Qc7#
- 1...Ra4
- 2.Sg6#
- 2.Qc5#
- 1...Bd4
- 2.Sg6#
- 2.Qxd4#
- 2.exd4#
- 1...Qxc4!
- threat
- 1.Bb1?
- Keys
- 1.Bh7!
- threat
- 2.Sed3#
- 1...Sxe3
- 2.Qxe3#
- 1...Qd6
- 2.Bg7#
- 1...Rd2
- 2.Rg5#
- 1...Rd5
- 2.Sg6#
- 1...Sb2
- 2.Qc3#
- 1...Sd2
- 2.Qxa1#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Bg7#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- R(f);SBLOCK::S(F)
- B(a);N_GUARD::QAB(A),XB(a)
- S(c);XP(E)::S(B),XS(c)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
- Tries
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(c);XP(E)::S(B),XS(c)
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- R(f);SBLOCK::S(F)
- S(e);S_CUTB(a)::QAB(A)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
- Refutation
- S(e);
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- R(f);SBLOCK::S(F)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
- Refutation
- S(c);XP(E)
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(c);XP(E)::S(B),XS(c)
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- R(f);SBLOCK::S(F)
- S(e);N_GUARD::QAB(A),XB(a)
- Refutation
- S(e);
- Try
- B(C);
- Threat
- S(B)
- Vars
- Q(h);SBLOCK::B(I)
- R(f);SBLOCK::S(F)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD::QAB(A),XB(a)
- Refutation
- S(c);XP(E)
- Try
- B(C);XS(e)
- Threat
- DUALS(3)
- Vars
- R(f);::S(F)
- Refutation
- Q(h);XB(C)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(f);::S(F)
- Refutation
- S(e);XP(D)
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- Q(h);SBLOCK::B(I)
- R(f);SBLOCK::S(F)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
- Refutation
- R(b);
- Try
- B(C);
- Threat
- S(B)
- Vars
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
- Refutation
- R(f);
- Try
- R(G);XR(b)
- Threat
- R(G)
- Vars
- S(c);XP(E)::S(B),XS(c)
- Refutation
- S(c);
- Try
- Q(A);CHECK,XB(a)
- Vars
- R(b);P_SPINR(b)::R(G)
- Refutation
- S(e);P_SPINS(e)
- Try
- Q(A);XS(e)
- Threat
- DUALS(2)
- Vars
- R(b);XR(G)::QAR1(A)
- Q(h);::S(F)
- Refutation
- Q(h);XQ(A)
- Try
- Actual
- B(C);
- Threat
- S(B)
- Vars
- S(e);OGATE,XP(D)::QAR2(A),XS(e)
- Q(h);SBLOCK::B(I)
- R(b);N_GUARD::R(G)
- R(f);SBLOCK::S(F)
- S(e);S_CUTB(a)::QAB(A)
- S(e);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
- S(e);OGATE::QAB(A)
- S(e);SBLOCK::B(I)
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).