MESON Chess Problem Database
Problem Display
PID: 82505 (K2k3n/1Bpbp1N1/3N4/8/3Q4/8/8/8 w - - 0 1)
Havel, Miroslav
Svetozor, 1912
#2
5 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Sdf5#
- 2.Sf7#
- 1...Ba4
- 2.Sb5#
- 2.Sf7#
- 1...Bg4
- 2.Sdf5#
- 2.Sf7#
- 1...Bb5
- 2.Sxb5#
- 2.Sf7#
- 1...Bf5
- 2.Sdxf5#
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Be6
- 2.Sf7#
- 1...Bc8
- 2.Sf7#
- 2.Sxc8#
- 1...Be8
- 2.Sf7#
- 2.Sdxe8#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...cxd6
- 2.Qb6#
- 1...c6
- 2.Qb6#
- 1...exd6
- 2.Qf6#
- 2.Qh4#
- 1...e5
- 2.Qh4#
- 1...e6
- 2.Qf6#
- 2.Qh4#
- 1...Bh3
- Tries
- 1.Ka7?
- 1...cxd6
- 2.Qb6#
- 1...exd6
- 2.Qf6#
- 2.Qh4#
- 1...Bh3
- 2.Sdf5#
- 2.Sf7#
- 1...Ba4
- 2.Sb5#
- 2.Sf7#
- 1...Bg4
- 2.Sdf5#
- 2.Sf7#
- 1...Bb5
- 2.Sxb5#
- 2.Sf7#
- 1...Bf5
- 2.Sdxf5#
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Be6
- 2.Sf7#
- 1...Bc8
- 2.Sf7#
- 2.Sxc8#
- 1...Be8
- 2.Sf7#
- 2.Sdxe8#
- 1...c6
- 2.Qb6#
- 1...e5
- 2.Qh4#
- 1...e6
- 2.Qf6#
- 2.Qh4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c5!
- 1...cxd6
- 1.Kb8?
- 1...cxd6
- 2.Qb6#
- 1...exd6
- 2.Qf6#
- 2.Qh4#
- 1...Bh3
- 2.Sdf5#
- 2.Sf7#
- 1...Ba4
- 2.Sb5#
- 2.Sf7#
- 1...Bg4
- 2.Sdf5#
- 2.Sf7#
- 1...Bb5
- 2.Sxb5#
- 2.Sf7#
- 1...Bf5
- 2.Sdxf5#
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Be6
- 2.Sf7#
- 1...Bc8
- 2.Sf7#
- 2.Sxc8#
- 1...Be8
- 2.Sf7#
- 2.Sdxe8#
- 1...e5
- 2.Qh4#
- 1...e6
- 2.Qf6#
- 2.Qh4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c6
- 2.Qb6#
- 1...c5!
- 1...cxd6
- 1.Ka7?
- Keys
- 1.Qd2!
- 1...cxd6
- 2.Qa5#
- 1...exd6
- 2.Qg5#
- 1...Bh3
- 2.Sdf5#
- 2.Sf7#
- 1...Ba4
- 2.Sb5#
- 2.Sf7#
- 1...Bg4
- 2.Sdf5#
- 2.Sf7#
- 1...Bb5
- 2.Sxb5#
- 2.Sf7#
- 1...Bf5
- 2.Sdxf5#
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Be6
- 2.Sf7#
- 1...Bc8
- 2.Sf7#
- 2.Sxc8#
- 1...Be8
- 2.Sf7#
- 2.Sdxe8#
- 1...c5
- 2.Qa5#
- 1...c6
- 2.Qa5#
- 1...e5
- 2.Qg5#
- 1...e6
- 2.Qg5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...cxd6
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(b);P_PINB(C)::QAR(A)+S(B),DCHECK
- B(b);::QAR(A)+S(B),DCHECK
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(a);OGATEB,XS(B)::QAB(A)
- P(a);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- P(a);OGATEB,XS(B)::QAB(A)
- B(b);::QAR(A)+S(B),DCHECK
- P(a);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- Refutation
- P(a);
- Try
- K(E);P-FLIGHT
- Vars
- P(a);OGATEB,XS(B)::QAB(A)
- B(b);::QAR(A)+S(B),DCHECK
- P(c);OGATEB::QAB(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(a);OGATEB::QAB(A)
- Refutation
- P(a);
- Try
- Actual
- Q(A);
- Vars
- P(a);OGATEB,XS(B)::QAB(A)
- P(c);OGATEB,XS(B)::QAB(A)
- B(b);P_PINB(C)::QAR(A)+S(B),DCHECK
- B(b);::QAR(A)+S(B),DCHECK
- P(a);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(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).