MESON Chess Problem Database
Problem Display
PID: 142756 (N3Bb2/1pPn4/b1rP4/pkPR4/pN6/B2P3K/PQP4P/2r5 w - - 0 1)
Rice, John Michael
Prize, Ramsgate, 1988
#2
14 + 9
| 702 | Phenix | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.c4#
- 1...Rb1
- 2.c4#
- 1...Rd1
- 2.c4#
- 1...Re1
- 2.c4#
- 1...Rf1
- 2.c4#
- 1...Rg1
- 2.c4#
- 1...Rh1
- 2.c4#
- 1...Rxc2
- 2.Sxc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rb6
- 2.cxb6#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Sxc6#
- 1...Se5
- 2.Sxc6#
- 1...Sb6
- 2.Sxc6#
- 2.cxb6#
- 1...Sf6
- 2.Sxc6#
- 1...Sb8
- 2.Sxc6#
- 1...axb4
- 2.Qxb4#
- 1...Ra1
- Tries
- 1.Bxd7?
- threat
- 2.Sxc6#
- 1...Rxc2
- 2.Sxc2#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Bg7!
- threat
- 1.Rf5?
- threat
- 2.Sd5#
- 1...Rxc2
- 2.Sxc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Sxc6#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Rb6
- 2.cxb6#
- 1...Bg7!
- threat
- 1.Rg5?
- threat
- 2.Sd5#
- 1...Rxc2
- 2.Sxc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Sxc6#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Rb6
- 2.cxb6#
- 1...Bg7!
- threat
- 1.Rh5?
- threat
- 2.Sd5#
- 1...Rxc2
- 2.Sxc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Sxc6#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Rb6
- 2.cxb6#
- 1...Bg7!
- threat
- 1.c3?
- threat
- 2.Sc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Rc2
- 2.Sxc2#
- 1...Rb6
- 2.cxb6#
- 1...Rxc3!
- threat
- 1.c8S?
- threat
- 2.Sa7#
- 1...axb4
- 2.Qxb4#
- 1...Rxc8!
- threat
- 1.Bxd7?
- Keys
- 1.Re5!
- threat
- 2.Sd5#
- 1...Rxc2
- 2.Sxc2#
- 1...Rxc5
- 2.Bxd7#
- 1...Rxd6
- 2.cxd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sxc5
- 2.Sxc6#
- 1...axb4
- 2.Qxb4#
- 1...Rb1
- 2.c4#
- 1...Rb6
- 2.cxb6#
- threat
- 1.Re5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::P(C)
- R(a);N_GUARD,P_PINP(D)::P(C)
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- S(h);P_SPINR(f),P_SPINS(h),XP(I)::QAR(B)+S(H),XR(f)
- S(h);P_SPINR(f)::QAR(B)+S(H),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- Tries
- Try
- B(N);P_PINR(f),XS(h)
- Threat
- QAR(B)+S(H),XR(f)
- Vars
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- Refutation
- B(i);
- Try
- R(J);
- Threat
- QAR(B)+S(H)
- Vars
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- S(h);P_SPINR(f),P_SPINS(h),XP(I)::QAR(B)+S(H),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
- Refutation
- B(i);
- Try
- R(J);
- Threat
- QAR(B)+S(H)
- Vars
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- S(h);P_SPINR(f),P_SPINS(h),XP(I)::QAR(B)+S(H),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
- Refutation
- B(i);
- Try
- R(J);
- Threat
- QAR(B)+S(H)
- Vars
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- S(h);P_SPINR(f),P_SPINS(h),XP(I)::QAR(B)+S(H),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
- Refutation
- B(i);
- Try
- P(C);
- Threat
- QAR(B)+S(H)
- Vars
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- R(a);::QAR(B)+S(H),XR(a)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
- Refutation
- R(a);P_PINP(F),XP(C)
- Try
- P(L);
- Threat
- S(L)
- Vars
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- Refutation
- R(f);P_SPINS(h),XS(L)
- Try
- Actual
- R(J);
- Threat
- QAR(B)+S(H)
- Vars
- R(a);XP(C)::QAR(B)+S(H),XR(a)
- R(f);OGATEB,P_SPINR(f),P_SPINS(h),XP(I)::B(N),XS(h)
- R(f);OGATE,P_SPINS(h),XP(K)::R(J)+P(I),XR(f)
- R(f);P_SPINS(h),XP(L)::S(M),XR(f)
- S(h);P_SPINR(f),P_SPINS(h),XP(I)::QAR(B)+S(H),XR(f)
- P(c);OGATE,P_SPINP(c),XS(H)::QAR1(B),XP(c)
- R(a);N_GUARD::P(C)
- R(f);OGATE,P_SPINS(h)::R(J)+P(I),XR(f)
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).