MESON Chess Problem Database
Problem Display
PID: 67145 (7B/8/K1Q1Npnq/p2Bk3/6P1/1R5P/2N1n3/4r3 w - - 0 1)
Bernard, Edmond
Sinfonie Scacchistiche, 1977
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Rxe3#
- 1...Qg7
- 2.Re3#
- 1...Qf8
- 2.Re3#
- 1...Qh4
- 2.Re3#
- 1...Qh5
- 2.Re3#
- 1...Qh7
- 2.Re3#
- 1...Qxh8
- 2.Re3#
- 1...Sf4
- 2.Re3#
- 1...Qe3
- Tries
- 1.Sxe1?
- threat
- 2.Sd3#
- 2.Sf3#
- 1...Qd2
- 2.Sf3#
- 1...Qe3
- 2.Rxe3#
- 1...Qf4
- 2.Sd3#
- 1...Sc1
- 2.Sf3#
- 1...Sg1
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 1...Sef4
- 2.Sf3#
- 2.Re3#
- 1...Sgf4
- 2.Sf3#
- 2.Re3#
- 1...Sh4
- 2.Sd3#
- 1...Qxh3!
- threat
- 1.Se3?
- threat
- 2.Sc4#
- 2.Qc7#
- 1...Qxe3
- 2.Rxe3#
- 1...Qf4
- 2.Qc7#
- 1...Qg7
- 2.Sc4#
- 1...Qf8
- 2.Sc4#
- 1...Qh7
- 2.Sc4#
- 1...Rc1!
- threat
- 1.Sb4?
- threat
- 2.Sd3#
- 2.Qc7#
- 1...Qxh3
- 2.Qc7#
- 1...Qc1
- 2.Sd3#
- 1...Qd2
- 2.Qc7#
- 1...Qe3
- 2.Rxe3#
- 2.Qc7#
- 1...Qg7
- 2.Sd3#
- 2.Re3#
- 1...Qf8
- 2.Sd3#
- 2.Re3#
- 1...Qh7
- 2.Sd3#
- 2.Re3#
- 1...Rc1
- 2.Sd3#
- 1...Rd1
- 2.Qc7#
- 1...Sc1
- 2.Qc7#
- 1...Sef4
- 2.Qc7#
- 1...Sgf4
- 2.Re3#
- 2.Qc7#
- 1...axb4!
- threat
- 1.Rd3?
- threat
- 2.Qc7#
- 1...Qg7
- 2.Re3#
- 1...Qf8
- 2.Re3#
- 1...Qh7
- 2.Re3#
- 1...Sd4!
- threat
- 1.Rb5?
- threat
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Qc7#
- 1...Qd2
- 2.Qc7#
- 1...Qe3
- 2.Qc7#
- 1...Qg7
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 1...Qh7
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 1...Rb1
- 2.Bb3#
- 2.Qc7#
- 1...Rd1
- 2.Qc7#
- 1...Rh1
- 2.Bxh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Qc7#
- 1...Sc3
- 2.Qc7#
- 1...Sd4
- 2.Qc7#
- 1...Sef4
- 2.Qc7#
- 1...Sgf4
- 2.Qc7#
- 1...Se7
- 2.Qc7#
- 1...Qf8!
- threat
- 1.Sxe1?
- Keys
- 1.Sf4!
- threat
- 2.Sd3#
- 2.Qxf6#
- 2.Qc7#
- 1...Kxf4
- 2.Qxf6#
- 1...Qxf4
- 2.Qe6#
- 1...Qxh3
- 2.Sxg6#
- 2.Qxf6#
- 2.Qc7#
- 1...Qxh8
- 2.Sd3#
- 2.Sxg6#
- 2.Qc7#
- 1...Sexf4
- 2.Bxf6#
- 1...Sgxf4
- 2.Re3#
- 1...Sxh8
- 2.Sd3#
- 2.Qc7#
- 1...Qg5
- 2.Sd3#
- 2.Qc7#
- 1...Qg7
- 2.Sd3#
- 1...Qf8
- 2.Sd3#
- 2.Sxg6#
- 1...Qh4
- 2.Sd3#
- 2.Sxg6#
- 2.Qc7#
- 1...Qh7
- 2.Sd3#
- 2.Qxf6#
- 1...Rd1
- 2.Qxf6#
- 2.Qc7#
- 1...Sc1
- 2.Qxf6#
- 2.Qc7#
- 1...Sh4
- 2.Sd3#
- 2.Qc7#
- 1...Se7
- 2.Sd3#
- 2.Qc7#
- 1...Sf8
- 2.Sd3#
- 2.Qc7#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(g);N_GUARD::R(B),XQ(g)
- Q(g);N_GUARD,N_SPINP(e)::R(B)
- Q(g);N_GUARD::R(B)
- Q(g);N_GUARD,N_SPINP(e),XB(I)::R(B)
- S(f);S_CUTQ(g)::R(B)
- Tries
- Try
- S(A);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(g);::S(A)
- Q(g);N_GUARD::R(B),XQ(g)
- S(b);::S(A)
- S(f);::S(A)
- Refutation
- Q(g);XP(C)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,XS(A)::R(B),XQ(g)
- Q(g);::QAB(G)
- Q(g);N_SPINP(e)::S(A)
- Q(g);::S(A)
- Refutation
- R(a);
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(C)::QAB(G)
- Q(g);::S(A)
- Q(g);::QAB(G)
- R(a);::S(A)
- R(a);::QAB(G)
- S(b);::QAB(G)
- Refutation
- P(c);XS(A)
- Try
- R(B);
- Threat
- QAB(G)
- Vars
- Q(g);N_GUARD,N_SPINP(e)::R(B)
- Q(g);N_GUARD::R(B)
- Refutation
- S(b);
- Try
- R(B);
- Threat
- DUALS(8)
- Vars
- Q(g);::QAB(G)
- R(a);::QAB(G)
- S(b);::QAB(G)
- S(f);::QAB(G)
- Refutation
- Q(g);
- Try
- Actual
- S(H);
- Threat
- DUALS(3)
- Vars
- K(d);N_SPINP(e),S_FLIGHT,XS(H)::QAR2(G),XP(e)
- Q(g);SBLOCK,XS(H)::QAR1(G)
- S(b);SBLOCK,XS(H)::B(I),XP(e)
- S(f);SBLOCK,XS(H)::R(B)
- Q(g);N_SPINP(e)::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).