MESON Chess Problem Database
Problem Display
PID: 156832 (B2n4/1rP1P2K/1pn3Q1/1P1k4/8/1N1Nb3/2R1P3/8 w - - 0 1)
Rice, John Michael
Prize, Bournemouth, 2012
#2
10 + 6
| 56 | The Problemist | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.exd8Q#
- 2.exd8R#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bd4
- 2.e4#
- 1...Bf4
- 2.e4#
- 1...Bc5
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Sb4
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Sd4
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Sa5
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Sxe7
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sf7
- 2.Qxc6#
- 1...Ra7
- Tries
- 1.Bxb7?
- threat
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Sxb7
- 2.Qxc6#
- 1...Bc1
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Bg1
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Bd2
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Bf2
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Bd4
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Bf4
- 2.e4#
- 1...Bc5
- 2.e4#
- 1...Bh6
- 2.e4#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Sf7
- 2.Bxc6#
- 2.Qxc6#
- 1...Se6!
- threat
- 1.Rxc6?
- threat
- 2.Qf5#
- 2.Qg2#
- 2.exd8Q#
- 2.exd8R#
- 1...Rxc7
- 2.Rc5#
- 2.Qf5#
- 2.Qg2#
- 1...Sxc6
- 2.Qxc6#
- 1...Ra7
- 2.Rc5#
- 2.Qf5#
- 2.Qg2#
- 2.exd8Q#
- 2.exd8R#
- 1...Rb8
- 2.Rc5#
- 2.Qf5#
- 2.Qg2#
- 1...Bc1
- 2.Qf5#
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Bg1
- 2.Qf5#
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Bd2
- 2.Qf5#
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Bf2
- 2.Qf5#
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Bd4
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Bf4
- 2.Qg2#
- 2.e4#
- 1...Bg5
- 2.Qf5#
- 2.e4#
- 1...Bh6
- 2.Qf5#
- 2.Qg2#
- 2.e4#
- 2.exd8Q#
- 2.exd8R#
- 1...Se6
- 2.Qf5#
- 2.Qg2#
- 2.Qxe6#
- 1...Sf7
- 2.Qg2#
- 2.Qe6#
- 1...Bc5!
- threat
- 1.Qf5+?
- 1...Se5
- 2.Qxe5#
- 2.cxd8Q#
- 2.cxd8R#
- 2.exd8Q#
- 2.exd8R#
- 1...Kd6!
- 1...Se5
- 1.cxd8Q+?
- 1...Rd7
- 2.Bxc6#
- 2.Qxc6#
- 2.Qxd7#
- 2.Qdg8#
- 1...Sxd8!
- 1...Rd7
- 1.cxd8R+?
- 1...Rd7
- 2.Bxc6#
- 2.Rxd7#
- 2.Qxc6#
- 1...Sxd8!
- 1...Rd7
- 1.c8Q?
- 1...Sxe7
- 2.Qd7#
- 2.Qc4#
- 2.Qxd8#
- 1...Se6
- 2.Qcxe6#
- 2.Qgxe6#
- 2.Qxc6#
- 1...Ra7
- 2.Qcf5#
- 1...Rc7
- 2.Qcf5#
- 1...Rd7
- 2.Qxd7#
- 1...Rb8
- 2.Qcf5#
- 2.Qd7#
- 2.exd8Q#
- 2.exd8R#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bd4
- 2.e4#
- 1...Bf4
- 2.e4#
- 1...Bc5
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Sb4
- 2.Qcf5#
- 2.Qd7#
- 2.Qc4#
- 2.Qxd8#
- 1...Sd4
- 2.Qd7#
- 2.Qc4#
- 2.Qxd8#
- 1...Sa5
- 2.Qcf5#
- 2.Qd7#
- 2.Qxd8#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Qcf5#
- 2.Qd7#
- 2.Qc4#
- 2.Qxd8#
- 1...Sb8
- 2.Qcf5#
- 2.Qc4#
- 1...Sf7
- 2.Qce6#
- 2.Qgxc6#
- 2.Qge6#
- 2.Qcxc6#
- 1...Rxe7+!
- 1...Sxe7
- 1.e8Q?
- threat
- 2.Qd7#
- 2.Qee4#
- 1...Se6
- 2.Qxc6#
- 2.Qd7#
- 2.Qgxe6#
- 2.Qexe6#
- 1...Bf4
- 2.Sxf4#
- 2.Qee4#
- 2.e4#
- 1...Bc5
- 2.Sf4#
- 2.Qee4#
- 2.e4#
- 1...Se5
- 2.Sb4#
- 2.Qxe5#
- 1...Se7
- 2.Qd7#
- 2.Qxd8#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sb8
- 2.Sb4#
- 2.Qee4#
- 2.Qe5#
- 1...Sf7
- 2.Qexc6#
- 2.Qexf7#
- 2.Qgxc6#
- 2.Qge6#
- 2.Qee4#
- 2.Qee6#
- 1...Rxc7+!
- threat
- 1.e8S?
- 1...Rxc7+
- 2.Sxc7#
- 1...Ra7
- 2.Qf5#
- 1...Rb8
- 2.Qf5#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bd4
- 2.e4#
- 1...Bf4
- 2.e4#
- 1...Bc5
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Sb4
- 2.Qf5#
- 1...Sa5
- 2.Qf5#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Qf5#
- 1...Se7
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sb8
- 2.Qf5#
- 1...Se6
- 2.Qg2#
- 1...Sf7
- 2.Qxc6#
- 1...Sd4!
- 1...Rxc7+
- 1.e8R?
- 1...Se6
- 2.Qxe6#
- 1...Ra7
- 2.Sb4#
- 2.Re5#
- 2.Rxd8#
- 1...Rb8
- 2.Sb4#
- 2.Re5#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.Sf4#
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.Sf4#
- 2.e4#
- 1...Bd4
- 2.Sf4#
- 2.e4#
- 1...Bf4
- 2.Sxf4#
- 2.e4#
- 1...Bc5
- 2.Sf4#
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Sb4
- 2.Sxb4#
- 2.Re5#
- 2.Rxd8#
- 1...Sd4
- 2.Sb4#
- 2.Re5#
- 2.Rxd8#
- 1...Sa5
- 2.Sb4#
- 2.Re5#
- 2.Rxd8#
- 1...Se5
- 2.Sb4#
- 2.Rxe5#
- 1...Sa7
- 2.Sb4#
- 2.Re5#
- 2.Rxd8#
- 1...Se7
- 2.Rxd8#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sb8
- 2.Sb4#
- 2.Re5#
- 1...Sf7
- 2.Qxc6#
- 2.Qe6#
- 1...Rxc7+!
- 1...Se6
- 1.Bxb7?
- Keys
- 1.c8S!
- 1...Rxe7+
- 2.Sxe7#
- 1...Sxe7
- 2.Sxe7#
- 1...Ra7
- 2.Qf5#
- 1...Rc7
- 2.Qf5#
- 1...Rd7
- 2.Qf5#
- 1...Rb8
- 2.Qf5#
- 2.exd8Q#
- 2.exd8R#
- 1...Bc1
- 2.e4#
- 1...Bg1
- 2.e4#
- 1...Bd2
- 2.e4#
- 1...Bf2
- 2.e4#
- 1...Bd4
- 2.e4#
- 1...Bf4
- 2.e4#
- 1...Bc5
- 2.e4#
- 1...Bg5
- 2.e4#
- 1...Bh6
- 2.e4#
- 1...Sb4
- 2.Qf5#
- 1...Sd4
- 2.Sxb6#
- 1...Sa5
- 2.Qf5#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Qf5#
- 1...Sb8
- 2.Qf5#
- 1...Se6
- 2.Qg2#
- 1...Sf7
- 2.Qxc6#
- 1...Rxe7+
- 1.c8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- R(e);P_SPINS(d)::PXS(f)=Q
- B(a);OGATE::P(B)
- S(d);N_GUARD,P_SPINR(e),SBLOCK::S(D)
- S(d);N_GUARD,P_SPINR(e),XP(H)::PXS(f)=Q
- S(f);N_GUARD::QAB1(F),XS(d)
- Tries
- Try
- B(J);P_PINS(d),XR(e)
- Threat
- DUALS(4)
- Vars
- S(f);N_GUARD,N_SPINS(d),XB(J)::QAB1(F),XS(d)
- B(a);OGATE::P(B)
- Refutation
- S(f);
- Try
- R(A);XS(d)
- Threat
- DUALS(4)
- Vars
- S(f);OGATE,XR(A)::QAB1(F),XS(f)
- Refutation
- B(a);
- Try
- Q(F);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- P(G);CHECK,P_SPINP(H),XS(f)
- Refutation
- S(d);P_SPINR(e),XQ(G)
- Try
- P(G);CHECK,P_SPINP(H),XS(f)
- Refutation
- S(d);P_SPINR(e),XR(G)
- Try
- P(G);P_SPINP(H)
- Vars
- R(e);P_SPINS(d)::QAR2(G)
- R(e);N_GUARD,P_SPINS(d)::QAR2(G),XR(e)
- B(a);OGATE::P(B)
- S(d);N_GUARD,P_SPINR(e),SBLOCK::S(D)
- Refutation
- R(e);CHECK,P_SPINS(d),XP(H)
- Try
- P(H);P_SPINP(G)
- Threat
- DUALS(2)
- Refutation
- R(e);CHECK,P_SPINS(d),XP(G)
- Try
- P(H);P_SPINP(G)
- Vars
- R(e);CHECK,P_SPINS(d),XP(G)::S(H),XR(e)
- R(e);P_SPINS(d)::QAR2(F)
- R(e);N_PINP(G),P_SPINS(d)::QAR2(F)
- B(a);OGATE::P(B)
- S(d);N_GUARD,P_SPINR(e)::QAR2(F)
- S(d);N_GUARD,P_SPINR(e),SBLOCK::S(D)
- S(d);N_PINP(G),P_SPINR(e)::PXS(f)=Q
- S(f);SBLOCK::QAB(F)
- S(f);N_GUARD,N_PINP(G)::QAB1(F),XS(d)
- Refutation
- S(d);P_SPINR(e)
- Try
- P(H);P_SPINP(G)
- Vars
- S(f);N_GUARD::QAB1(F),XS(f)
- B(a);OGATE::P(B)
- Refutation
- R(e);CHECK,P_SPINS(d),XP(G)
- Try
- Actual
- P(G);P_SPINP(H)
- Vars
- R(e);CHECK,P_SPINS(d),XP(H)::S(G),XR(e)
- S(d);P_SPINR(e),XP(H)::S(G),XS(d)
- R(e);P_SPINS(d)::QAR2(F)
- B(a);OGATE::P(B)
- S(d);N_GUARD,P_SPINR(e)::QAR2(F)
- S(d);P_SPINR(e),S_CUTB(a)::S(G),XP(c)
- S(d);N_GUARD,P_SPINR(e),SBLOCK::S(D)
- S(f);SBLOCK::QAB(F)
- S(f);N_GUARD,N_PINP(H)::QAB1(F),XS(d)
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).