MESON Chess Problem Database
Problem Display
PID: 159031 (n5q1/1P5b/N2pp3/1PbkB3/3P2R1/1P3r1p/2R3r1/K2NQ2B w - - 0 1)
Cramatte, Jacques
idee & form, 2010
#2
12 + 10
| 15527 | schachkunst (1997-2010) (Hoffmann) | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qxg4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg5
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg6
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg1
- 2.Sc3#
- 2.Se3#
- 1...Rxc2
- 2.Se3#
- 1...Rd2
- 2.Sc3#
- 2.Se3#
- 1...Re2
- 2.Sc3#
- 1...Rgf2
- 2.Sc3#
- 2.Se3#
- 1...Rh2
- 2.Sc3#
- 2.Se3#
- 1...Rgg3
- 2.Sc3#
- 2.Se3#
- 1...Rxg4
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 2.Se3#
- 1...Rff2
- 2.Sc3#
- 2.Se3#
- 1...Rc3
- 2.Sxc3#
- 1...Re3
- 2.Sxe3#
- 1...Rf4
- 2.Sc3#
- 1...Rf5
- 2.Sc3#
- 2.Se3#
- 2.Qe4#
- 1...Rf6
- 2.Sc3#
- 2.Se3#
- 1...Rf7
- 2.Sc3#
- 2.Se3#
- 1...Rf8
- 2.Sc3#
- 2.Se3#
- 1...Bb4
- 2.Sxb4#
- 1...Bxd4+
- 2.Rxd4#
- 1...Bb6
- 2.Sb4#
- 1...Ba7
- 2.Sb4#
- 1...Bd3
- 2.Sc3#
- 1...Be4
- 2.Qxe4#
- 1...Sb6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...dxe5
- 2.Qxe5#
- 1...Qxg4
- Tries
- 1.Bxg2?
- threat
- 2.Sc3#
- 2.Se3#
- 1...Bxd4+
- 2.Rxd4#
- 1...Qxg4
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...dxe5
- 2.Qxe5#
- 1...Qg5
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Be4
- 2.Qxe4#
- 1...hxg2!
- threat
- 1.Rxg8?
- threat
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxc2
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxg8
- 2.Sc3#
- 1...Rxb3
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxc2
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxg8
- 2.bxa8Q#
- 2.bxa8B#
- 1...dxe5
- 2.Qxe5#
- 1...Re2
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Re3
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg1
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rd2
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rgf2
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rh2
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rgg3
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg4
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg5
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg6
- 2.Sc3#
- 2.Bxf3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rg7
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rff2
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rc3
- 2.Sxc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rd3
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rfg3
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rf4
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rf5
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rf6
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rf7
- 2.Sc3#
- 1...Rf8
- 2.Sc3#
- 1...Ba3
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb4
- 2.Sxb4#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb6
- 2.Sb4#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Ba7
- 2.Sb4#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bd3
- 2.Sc3#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Be4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bf5
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bg6
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sb6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...h2
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bxd4+!
- threat
- 1.Qe2?
- threat
- 2.Qc4#
- 1...Bxd4+
- 2.Rxd4#
- 1...Qxg4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxe2
- 2.Sc3#
- 1...Rxg4
- 2.Sc3#
- 1...dxe5
- 2.Qxe5#
- 1...Rc3
- 2.Sxc3#
- 1...Rf4
- 2.Sc3#
- 1...Bd3
- 2.Sc3#
- 1...Sb6
- 2.Sc7#
- 1...Rd3!
- threat
- 1.Bxg2?
- Keys
- 1.Qb4!
- threat
- 2.Qc4#
- 1...Bxd4+
- 2.Qxd4#
- 1...Qxg4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxc2
- 2.Se3#
- 1...Rxg4
- 2.Sc3#
- 1...Bxb4
- 2.Sxb4#
- 1...dxe5
- 2.Qxc5#
- 1...Rf4
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Bd3
- 2.Sc3#
- 1...Sb6
- 2.Sc7#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(j);N_GUARD,XR(H)::PXS(i)=Q
- Q(j);N_GUARD::PXS(i)=Q
- R(a);P_SPINR(b),XR(E)::S(B)
- R(a);P_SPINR(b)::S(B)
- R(a);P_SPINR(b),XR(H)::S(B)
- R(b);N_GUARD,P_SPINR(a)::S(B),XR(b)
- R(b);N_GUARD,P_SPINR(a)::S(B)
- B(d);N_GUARD::S(K),XB(d)
- B(d);CHECK,OGATE,XP(G)::R1(H),XB(d)
- B(d);N_GUARD::S(K)
- B(h);S_CUTR(b)::S(B)
- B(h);N_GUARD::QAB1(C),XB(h)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(f);OGATE,XB(J)::QAR1(C),XP(f)
- Tries
- Try
- B(D);P_PINR(b),XR(a)
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,XP(G)::R1(H),XB(d)
- P(f);OGATE,XB(J)::QAR1(C),XP(f)
- B(h);N_GUARD,N_SPINR(b)::QAB1(C),XB(h)
- Refutation
- P(c);N_SPINR(b),XB(D)
- Try
- R(H);XQ(j)
- Threat
- PXS(i)=Q
- Vars
- R(a);P_SPINR(b),XR(E)::PXS(i)=Q
- R(a);P_SPINR(b),XR(H)::S(B)
- R(b);P_SPINR(a),XP(F)::PXS(i)=Q
- B(h);XR(E)::PXS(i)=Q
- B(h);XR(H)::PXS(i)=Q
- P(f);OGATE,XB(J)::QAR1(C),XP(f)
- R(b);P_SPINR(a)::PXS(i)=Q
- R(a);P_SPINR(b)::S(B)
- R(b);N_GUARD,P_SPINR(a)::S(B)
- B(d);::PXS(i)=Q
- B(h);::PXS(i)=Q
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(c);::PXS(i)=Q
- Refutation
- B(d);CHECK,XP(G)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(d);CHECK,OGATE,XP(G)::R1(H),XB(d)
- Q(j);N_GUARD,XR(H)::PXS(i)=Q
- R(a);P_SPINR(b),XQ(C)::S(B)
- R(a);P_SPINR(b),XR(H)::S(B)
- P(f);OGATE,XB(J)::QAR1(C),XP(f)
- R(b);N_GUARD,P_SPINR(a)::S(B),XR(b)
- R(b);N_GUARD,P_SPINR(a)::S(B)
- B(h);S_CUTR(b)::S(B)
- S(i);N_GUARD::S(K)
- Refutation
- R(b);P_SPINR(a)
- Try
- Actual
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(d);CHECK,OGATE,XP(G)::QAR1(C),XB(d)
- Q(j);N_GUARD,XR(H)::PXS(i)=Q
- R(a);P_SPINR(b),XR(E)::S(B)
- R(a);P_SPINR(b),XR(H)::S(B)
- B(d);XQ(C)::S(K),XB(d)
- P(f);N_GUARD,XB(J)::QAR1(C),XB(d)
- R(b);N_GUARD,P_SPINR(a)::S(B)
- R(b);N_GUARD,P_SPINR(a)::S(B),XR(b)
- B(h);S_CUTR(b)::S(B)
- S(i);N_GUARD::S(K)
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).