MESON Chess Problem Database
Problem Display
PID: 223468 (1B2R3/2n1b1n1/1Q6/2RN4/3k1p2/1p3P2/4P3/7K w - - 0 1)
L'Hermet, Johann Georg Rudolf
Bruderschaft, 1886
#2
8 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qf6#
- 1...Bh4
- 2.Re4#
- 2.Qb4#
- 1...Bg5
- 2.Re4#
- 2.Qb4#
- 1...Bd6
- 2.Re4#
- 2.Qb4#
- 1...Bf6
- 2.Re4#
- 2.Qb4#
- 1...Bd8
- 2.Re4#
- 2.Qb4#
- 1...Bf8
- 2.Re4#
- 2.Qb4#
- 1...Sce6
- 2.Qb4#
- 1...Sa8
- 2.Qb4#
- 1...Scxe8
- 2.Qb4#
- 1...Ke5
- Tries
- 1.Sxe7?
- threat
- 2.Sc6#
- 1...Ke3
- 2.Rc2#
- 1...Scxe8
- 2.Rc1#
- 2.Rc2#
- 2.Rc6#
- 2.Rc8#
- 1...Sgxe8
- 2.Sf5#
- 1...Sge6
- 2.Sf5#
- 1...Sce6!
- threat
- 1.Ra5+?
- 1...Ke5
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf6#
- 2.Sxc7#
- 2.Sxe7#
- 2.Qf6#
- 1...Bc5
- 2.Qxc5#
- 1...Kc4!
- 1...Ke5
- 1.Rb5+?
- 1...Ke5
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf6#
- 2.Sxc7#
- 2.Sxe7#
- 2.Qf6#
- 1...Bc5
- 2.Qxc5#
- 1...Kc4!
- 1...Ke5
- 1.Rxe7?
- threat
- 2.Re4#
- 2.Qb4#
- 1...Sxd5
- 2.Re4#
- 1...Sb5
- 2.Be5#
- 2.Re4#
- 1...Sa6
- 2.Be5#
- 2.Re4#
- 1...Sce6
- 2.Qb4#
- 1...Sge6!
- threat
- 1.Sxe7?
- Keys
- 1.Se3!
- 1...Kxe3
- 2.Rc2#
- 1...Bxc5
- 2.Qf6#
- 1...Scxe8
- 2.Rc4#
- 1...Sgxe8
- 2.Sf5#
- 1...fxe3
- 2.Qb4#
- 1...Bh4
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 2.Re4#
- 2.Qb4#
- 1...Bg5
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 2.Re4#
- 2.Qb4#
- 1...Bd6
- 2.Rc4#
- 2.Re4#
- 2.Qb4#
- 1...Bf6
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 2.Re4#
- 2.Qb4#
- 1...Bd8
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Rc6#
- 2.Rxc7#
- 2.Re4#
- 2.Qb4#
- 1...Bf8
- 2.Rc4#
- 2.Re4#
- 2.Qb4#
- 1...Sb5
- 2.Rc4#
- 1...Sd5
- 2.Rc4#
- 1...Sa6
- 2.Rc4#
- 1...Sce6
- 2.Rc4#
- 1...Sa8
- 2.Rc4#
- 1...Sf5
- 2.Sxf5#
- 1...Sh5
- 2.Sf5#
- 1...Sge6
- 2.Sf5#
- 1...b2
- 2.Sc2#
- 1...Kxe3
- 1.Se3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- K(b);P_SPINB(e),P_SPINS(d),S_FLIGHT::QAB1(F)
- S(d);::QAR2(F)
- S(d);XR(H)::QAR2(F)
- Tries
- Try
- S(E);XB(e)
- Threat
- S(E)
- Vars
- K(b);S_FLIGHT::QAB(F)+R(D)
- S(f);N_GUARD,XR(H)::S(E)
- S(f);N_GUARD::S(E)
- Refutation
- S(d);
- Try
- R(D);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::QAB1(F),XB(e)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::QAB1(F),XB(e)
- Refutation
- K(b);P-FLIGHT
- Try
- R(H);XB(e)
- Threat
- DUALS(2)
- Vars
- S(d);XS(E)::R1(H)
- S(d);::QAR2(F)
- Refutation
- S(f);
- Try
- Actual
- S(E);
- Vars
- K(b);P_SPINB(e),S_FLIGHT,XS(E)::QAB(F)+R(D)
- B(e);N_GUARD,P_SPINB(e),SBLOCK,XR(D)::QAB(F)
- S(d);XR(H)::QAB(F)+R(D),DCHECK
- S(f);N_GUARD,XR(H)::S(E)
- P(c);SBLOCK,XS(E)::QAR2(F)
- S(d);::QAB(F)+R(D),DCHECK
- S(f);N_GUARD::S(E),XS(f)
- S(f);N_GUARD::S(E)
- P(a);N_GUARD::S(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).