MESON Chess Problem Database
Problem Display
PID: 192586 (2n1N3/1P1p1Q2/1p4Rp/2b1k2p/1N1pp1n1/3r4/5B2/5RK1 w - - 0 1)
Cramatte, Jacques
Schweizerische Schachzeitung, 1984
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Bg3#
- 1...Rd2
- 2.Bg3#
- 1...Rg3+
- 2.Bxg3#
- 1...Sxf2
- 2.Qf6#
- 1...Sh2
- 2.Qf6#
- 1...Se3
- 2.Bg3#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...d5
- 2.Sc6#
- 2.Re6#
- 1...d6
- 2.Sc6#
- 2.Re6#
- 1...Rd1
- Tries
- 1.Be1?
- threat
- 2.Rf5#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Rg3+
- 2.Bxg3#
- 1...Bxb4
- 2.Rf5#
- 2.Qf5#
- 1...e3
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Sf2
- 2.Qf6#
- 1...Se3
- 2.Bg3#
- 2.Qf4#
- 2.Qf6#
- 2.Qg7#
- 1...Sf6
- 2.Qxf6#
- 1...Sd6
- 2.Qd5#
- 2.Qf4#
- 2.Qe7#
- 1...Se7
- 2.Qf4#
- 1...d5
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 2.Qf4#
- 2.Qf5#
- 1...Rf3!
- threat
- 1.Be3?
- threat
- 2.Bf4#
- 2.Rf5#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Rxe3
- 2.Rf5#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Bxb4
- 2.Bf4#
- 2.Rf5#
- 2.Qf5#
- 1...Sxe3
- 2.Qf4#
- 2.Qf6#
- 2.Qg7#
- 1...Rd1
- 2.Bf4#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Sf2
- 2.Bf4#
- 2.Qd5#
- 2.Qf4#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sd6
- 2.Bf4#
- 2.Qd5#
- 2.Qf4#
- 2.Qe7#
- 1...Se7
- 2.Bf4#
- 2.Qf4#
- 1...d5
- 2.Sc6#
- 2.Bf4#
- 2.Rf5#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 2.Qf4#
- 2.Qf5#
- 1...dxe3!
- threat
- 1.Bh4?
- threat
- 2.Rf5#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Rg3+
- 2.Bxg3#
- 1...Bxb4
- 2.Rf5#
- 2.Qf5#
- 1...e3
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Rd1
- 2.Bg3#
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Sf2
- 2.Qf6#
- 1...Se3
- 2.Bg3#
- 2.Bf6#
- 2.Qf4#
- 2.Qf6#
- 2.Qg7#
- 1...Sf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Sd6
- 2.Qd5#
- 2.Qf4#
- 2.Qe7#
- 1...Se7
- 2.Qf4#
- 1...d5
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 2.Qf4#
- 2.Qf5#
- 1...Rf3!
- threat
- 1.Rxg4?
- threat
- 2.Qd5#
- 2.Qf6#
- 1...Rg3+
- 2.Bxg3#
- 1...hxg4
- 2.Qf6#
- 1...Rf3
- 2.Qd5#
- 1...Be7
- 2.Qd5#
- 1...Se7
- 2.Qf6#
- 1...d5
- 2.Sc6#
- 2.Qxd5#
- 2.Qf6#
- 1...Bxb4!
- threat
- 1.Rf6?
- threat
- 2.Rf5#
- 2.Qd5#
- 2.Qxh5#
- 1...Rg3+
- 2.Bxg3#
- 1...Bxb4
- 2.Rf5#
- 2.Qxh5#
- 1...Sxf6
- 2.Qxf6#
- 1...e3
- 2.Qd5#
- 1...Rf3
- 2.Qd5#
- 1...Rh3
- 2.Rf5#
- 2.Qd5#
- 1...Se3
- 2.Bg3#
- 1...Sd6
- 2.Qd5#
- 2.Qe7#
- 1...h4
- 2.Rf5#
- 2.Qd5#
- 2.Qh5#
- 1...d5
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 2.Qxd5#
- 2.Qxh5#
- 2.Qe6#
- 1...Se7!
- threat
- 1.b8S?
- threat
- 2.Sxd7#
- 1...Rg3+
- 2.Bxg3#
- 1...Sf6
- 2.Qxf6#
- 1...d5
- 2.S4c6#
- 2.S8c6#
- 2.Sd7#
- 2.Re6#
- 1...d6
- 2.S4c6#
- 2.S8c6#
- 2.Sd7#
- 2.Re6#
- 1...e3!
- threat
- 1.Be1?
- Keys
- 1.Sf6!
- threat
- 2.Sxd7#
- 1...Rg3+
- 2.Bxg3#
- 1...Kf4
- 2.Sxg4#
- 1...Kf5
- 2.Sxg4#
- 1...Kd6
- 2.b8Q#
- 2.b8B#
- 1...Sxf6
- 2.Qxf6#
- 1...e3
- 2.Bg3#
- 1...d5
- 2.Sd7#
- 1...d6
- 2.Sd7#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD,P_PINR(A)::B(C)
- R(a);N_GUARD::B(C)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- S(d);N_GUARD,XB(C)::QAB1(G)
- S(d);N_GUARD::QAB1(G)
- S(d);N_GUARD::QAB1(G),XS(d)
- Tries
- Try
- B(C);
- Threat
- DUALS(4)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- S(d);N_GUARD::QAB1(G)
- S(d);N_GUARD::QAB1(G),XS(d)
- S(k);::QAB1(G)
- Refutation
- R(a);
- Try
- B(C);
- Threat
- DUALS(5)
- Vars
- S(d);N_GUARD::QAB1(G),XS(d)
- Refutation
- P(b);XB(C)
- Try
- B(C);
- Threat
- DUALS(4)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- S(d);N_GUARD::QAB1(G)
- S(k);::QAB1(G)
- Refutation
- R(a);
- Try
- R(E);XS(d)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- P(g);XR(E)::QAB1(G)
- R(a);::QAR1(G)
- B(e);::QAR1(G)
- S(k);::QAB1(G)
- Refutation
- B(e);XS(D)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- S(d);OGATE,XR(E)::QAB1(G),XS(d)
- P(c);::QAR1(G)
- R(a);::QAR1(G)
- S(d);S_CUTR(a)::B(C)
- Refutation
- S(k);
- Try
- P(F);
- Threat
- S(F),XP(j)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- S(d);N_GUARD::QAB1(G),XS(d)
- Refutation
- P(c);
- Try
- Actual
- S(H);
- Threat
- S(H),XP(j)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- K(f);S_FLIGHT::QAR(G)+S(H),XS(d)
- K(f);P-FLIGHT::QAR(G)+S(H),XS(d)
- K(f);S_FLIGHT::P=Q
- S(d);OGATE,XS(H)::QAB1(G),XS(d)
- P(c);S_CUTR(a)::B(C)
- P(j);::S(H)
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).