MESON Chess Problem Database
Problem Display
PID: 97515 (2n5/8/2p1p3/1pPk2p1/1PN3p1/P1B3p1/1PBKN1n1/Q7 w - - 0 1)
Blikeng, Bjarne
Problemas, 1980
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxc4
- 2.Qa2#
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Kxc4
- Tries
- 1.Sxg3?
- 1...Kxc4
- 2.Qa2#
- 1...bxc4
- 2.Be4#
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Sf4+?
- 1...Kxc4
- 2.Qf1#
- 2.Qa2#
- 2.b3#
- 1...Sxf4
- 2.Se3#
- 1...gxf4!
- 1...Kxc4
- 1.Sd6?
- threat
- 2.Bb3#
- 2.Be4#
- 2.Qa2#
- 1...e5
- 2.Bb3#
- 2.Qa2#
- 1...Se3
- 2.Be4#
- 1...Sb6
- 2.Be4#
- 1...Sxd6!
- threat
- 1.Be4+?
- 1...Kxc4
- 2.Qa2#
- 1...Kxe4!
- 1...Kxc4
- 1.Bf6?
- 1...Kxc4
- 2.Qa2#
- 1...bxc4
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Bg7?
- 1...Kxc4
- 2.Qa2#
- 1...bxc4
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Bh8?
- 1...Kxc4
- 2.Qa2#
- 1...bxc4
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Qb1?
- 1...Kxc4
- 2.Qa2#
- 1...bxc4
- 2.Be4#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Qd1?
- 1...Kxc4
- 2.Bb3#
- 1...bxc4
- 2.Kc1#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...e5!
- 1...Kxc4
- 1.Qg1?
- threat
- 2.Qd4#
- 1...Kxc4
- 2.Qd4#
- 1...Se3
- 2.Sxe3#
- 1...e5!
- threat
- 1.Qa2?
- threat
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 1...e5
- 2.Se3#
- 2.Sa5#
- 2.Sxe5#
- 2.Sb6#
- 2.Sd6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Sd6
- 2.Se3#
- 2.Sb6#
- 2.Sxd6#
- 1...bxc4!
- threat
- 1.Sxg3?
- Keys
- 1.Qf1!
- 1...Kxc4
- 2.Sf4#
- 1...bxc4
- 2.Qxg2#
- 1...e5
- 2.Qf7#
- 1...Se3
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Kxc4
- 1.Qf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- S(a);N_GUARD::S(I)
- S(a);N_GUARD::S(I),XS(a)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Tries
- Try
- S(E);XP(b)
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- P(d);SBLOCK,XS(I)::B(C)
- S(a);N_GUARD::S(I)
- S(a);N_GUARD::S(I),XS(a)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- S(E);CHECK
- Vars
- S(a);XS(E)::S(I)
- Refutation
- P(f);XS(E)
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- S(a);::B(C)
- S(i);::B(C)
- Refutation
- S(i);XS(I)
- Try
- B(C);CHECK
- Vars
- K(e);S_FLIGHT,XS(I)::QAB(A)
- Refutation
- K(e);S_FLIGHT,XB(C)
- Try
- B(G);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- P(d);SBLOCK,XS(I)::S(E)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- B(G);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- P(d);SBLOCK,XS(I)::S(E)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- B(G);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- P(d);SBLOCK,XS(I)::S(E)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- Q(A);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::QAB(A)
- P(d);SBLOCK,XS(I)::B(C)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- Q(A);
- Vars
- K(e);OGATEB,S_FLIGHT,XS(I)::B(C)
- P(d);SBLOCK,XS(I)::QAR(A)+K(D)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(e);S_FLIGHT,XS(I)::QAR1(A)
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(h);
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- P(d);P_SPINP(d),XS(I)
- Try
- Actual
- Q(A);
- Vars
- K(e);S_FLIGHT,XS(I)::QAB(A)+S(E)
- P(d);SBLOCK,XS(I)::QAB(A),XS(a)
- P(h);OGATEB::QAB(A)
- S(a);N_GUARD::S(I),XS(a)
- S(a);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
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).