MESON Chess Problem Database
Problem Display
PID: 243100 (1r2n3/R4P2/3kpB1b/7r/2Q5/6Np/2B3bK/2R5 w - - 0 1)
Armeni, Alberto
idee & form, 2010
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Be7#
- 1...Rb1
- 2.fxe8S#
- 1...Rb2
- 2.fxe8S#
- 1...Rb3
- 2.fxe8S#
- 1...Rb4
- 2.fxe8S#
- 1...Rb5
- 2.fxe8S#
- 1...Rb6
- 2.fxe8S#
- 1...Bf1
- 2.Se4#
- 1...Be4
- 2.Sxe4#
- 1...Bxc1
- 2.f8Q#
- 2.f8B#
- 1...Bd2
- 2.f8Q#
- 2.f8B#
- 1...Be3
- 2.f8Q#
- 2.f8B#
- 1...Bf4
- 2.f8Q#
- 2.f8B#
- 1...Bg5
- 2.f8Q#
- 2.f8B#
- 1...e5
- 2.Be7#
- 1...Re5
- Tries
- 1.Be4?
- threat
- 2.Qc6#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxf6
- 2.Qc7#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.fxe8S#
- 1...Rc8!
- threat
- 1.Rd1+?
- 1...Bd5
- 2.Se4#
- 1...Bd2
- 2.f8Q#
- 2.f8B#
- 1...Rd5!
- 1...Bd5
- 1.fxe8Q?
- threat
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qxb8#
- 1...Rd5
- 2.Rd7#
- 2.Qec6#
- 2.Qd7#
- 2.Qcc6#
- 2.Qc7#
- 2.Qe7#
- 2.Qxb8#
- 1...Rhb5
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 1...Rc5
- 2.Qcxe6#
- 2.Qd7#
- 2.Qexe6#
- 1...Re5
- 2.Be7#
- 2.Rd7#
- 2.Qd7#
- 2.Qe7#
- 2.Qxb8#
- 1...Rb1
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rb2
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rb3
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rb4
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rbb5
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rb6
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 2.Qd8#
- 1...Rb7
- 2.Qexe6#
- 1...Ra8
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 1...Rc8
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qe7#
- 1...Rd8
- 2.Qexe6#
- 2.Qe7#
- 2.Qxd8#
- 1...Bd5
- 2.Rd7#
- 2.Qd7#
- 2.Qc7#
- 2.Qe7#
- 2.Qxb8#
- 1...Bc6
- 2.Qexc6#
- 2.Qcxc6#
- 2.Qexe6#
- 2.Qe7#
- 2.Qxb8#
- 1...Bb7
- 2.Qexe6#
- 2.Qe7#
- 1...Bf8
- 2.Rd7#
- 2.Qd7#
- 2.Qexe6#
- 2.Qxb8#
- 1...e5
- 2.Be7#
- 2.Rd7#
- 2.Qd7#
- 2.Qee6#
- 2.Qe7#
- 2.Qxb8#
- 1...Rxe8!
- threat
- 1.Be4?
- Keys
- 1.Bb3!
- threat
- 2.Qxe6#
- 1...Rxb3
- 2.fxe8S#
- 1...Bxc1
- 2.f8Q#
- 2.f8B#
- 1...Sc7
- 2.Qxc7#
- 1...Rd5
- 2.Qc6#
- 1...Re5
- 2.Be7#
- 1...Bd5
- 2.Qc5#
- 1...Sg7
- 2.Qc7#
- 1...e5
- 2.Be7#
- 2.Qe6#
- 2.Qc5#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(c);SBLOCK::B(F)
- R(g);N_GUARD::PXS(h)=S
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(f);N_GUARD,XR(A)::P=Q
- B(f);N_GUARD::P=Q
- B(f);N_GUARD,P_PINS(D)::P=Q
- P(e);SBLOCK::B(F)
- Tries
- Try
- B(B);
- Threat
- QAR1(E)
- Vars
- B(a);XB(B)::S(D),XB(a)
- S(h);N_GUARD,XB(F)::QAB1(E)
- R(c);N_GUARD::QAB1(E),XR(c)
- R(g);N_GUARD::PXS(h)=S
- Refutation
- R(g);
- Try
- R(A);CHECK
- Vars
- B(a);P_SPINB(a)::S(D)
- B(f);P_SPINB(f)::P=Q
- Refutation
- R(c);P_SPINR(c)
- Try
- P(H);XS(h)
- Threat
- DUALS(5)
- Vars
- R(g);::QAR1(H),XP(e)
- Refutation
- R(g);XQ(H)
- Try
- Actual
- B(B);
- Threat
- QAR1(E),XP(e)
- Vars
- R(g);N_GUARD,XB(B)::PXS(h)=S
- B(f);N_GUARD,XR(A)::P=Q
- S(h);N_GUARD::QAB1(E),XS(h)
- R(c);S_CUTB(a)::QAR1(E)
- R(c);SBLOCK::B(F)
- B(a);S_CUTR(c)::QAB1(E)
- S(h);N_GUARD::QAB1(E)
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).