MESON Chess Problem Database
Problem Display
PID: 232452 (qrR1Rrb1/1p3p2/p2K4/6p1/3kN3/Bnp1pn2/BpP1P1pQ/b7 w - - 0 1)
Dietrich, Albert
Freie Presse, 1984
#2
9 + 16
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Bc5#
- 2.Rc4#
- 1...Sbd2
- 2.Bc5#
- 1...Sa5
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sfd2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sc1
- Tries
- 1.Bxb3?
- threat
- 2.Bc5#
- 2.Rc4#
- 1...Rxe8
- 2.Rc4#
- 1...Se5
- 2.Qxe5#
- 1...Qa7
- 2.Rc4#
- 1...Sd2
- 2.Bc5#
- 2.Qe5#
- 1...b5
- 2.Bc5#
- 1...b6
- 2.Rc4#
- 1...f5
- 2.Bc5#
- 1...f6
- 2.Bc5#
- 1...Rxc8!
- threat
- 1.Qh8+?
- 1...Se5
- 2.Qxe5#
- 1...f6!
- 1...Se5
- 1.cxb3?
- threat
- 2.Bc5#
- 2.Rc4#
- 1...Rxe8
- 2.Rc4#
- 1...Se5
- 2.Qxe5#
- 1...Qa7
- 2.Rc4#
- 1...Sd2
- 2.Bc5#
- 2.Qe5#
- 1...b5
- 2.Bc5#
- 1...b6
- 2.Rc4#
- 1...f5
- 2.Bc5#
- 1...f6
- 2.Bc5#
- 1...Rxc8!
- threat
- 1.Bxb3?
- Keys
- 1.Sd2!
- threat
- 2.Sxb3#
- 2.Sxf3#
- 2.Rc4#
- 2.Re4#
- 1...Rxc8
- 2.Re4#
- 1...Rxe8
- 2.Rc4#
- 1...Sbxd2
- 2.Bc5#
- 1...Sfxd2
- 2.Qe5#
- 1...Sxh2
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 1...cxd2
- 2.c3#
- 1...exd2
- 2.e3#
- 1...b1Q
- 2.Sxf3#
- 2.Rc4#
- 2.Re4#
- 1...b1R
- 2.Sxf3#
- 2.Rc4#
- 2.Re4#
- 1...g1S
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 1...Bh7
- 2.Sxb3#
- 2.Sxf3#
- 2.Rc4#
- 1...Sc1
- 2.Sxf3#
- 2.Bc5#
- 2.Rc4#
- 2.Re4#
- 1...Sa5
- 2.Sxf3#
- 2.Bc5#
- 2.Re4#
- 1...Sc5
- 2.Sxf3#
- 2.Bxc5#
- 1...Se1
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 2.Qe5#
- 1...Sg1
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 2.Qe5#
- 1...Sh4
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...g4
- 2.Sxb3#
- 2.Rc4#
- 2.Re4#
- 2.Qf4#
- 1...b5
- 2.Sxb3#
- 1...b6
- 2.Sxb3#
- 2.Rc4#
- 1...f5
- 2.Sxf3#
- 1...f6
- 2.Sxf3#
- 2.Re4#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(g);N_GUARD::QAB1(D)
- S(g);N_GUARD::QAB1(D),XS(g)
- Tries
- Try
- B(A);XS(d)
- Threat
- DUALS(2)
- Vars
- R(o);XR(I)::R1(H)
- S(g);N_GUARD::QAB1(D),XS(g)
- Q(m);::R1(H)
- P(k);::B(E)
- P(k);::R1(H)
- P(l);::B(E)
- Refutation
- R(n);XR(H)
- Try
- Q(D);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAB1(D),XS(g)
- Refutation
- P(l);P_SPINP(l)
- Try
- P(B);XS(d)
- Threat
- DUALS(2)
- Vars
- R(o);XR(I)::R1(H)
- S(g);N_GUARD::QAB1(D),XS(g)
- Q(m);::R1(H)
- P(k);::B(E)
- P(k);::R1(H)
- P(l);::B(E)
- Refutation
- R(n);XR(H)
- Try
- Actual
- S(F);
- Threat
- DUALS(4)
- Vars
- R(n);XR(H)::R1(I)
- R(o);XR(I)::R1(H)
- S(d);N_GUARD,XS(F)::B(E)
- S(g);N_GUARD,XS(F)::QAB1(D)
- P(e);OGATE,XS(F)::P(B)
- P(f);OGATE,XS(F)::P(C)
- S(g);N_GUARD::QAB1(D),XS(g)
- P(k);::S(F),XS(d)
- P(l);::S(F),XS(g)
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).