MESON Chess Problem Database
Problem Display
PID: 113704 (4K1k1/2PP2p1/4p1n1/7R/6N1/8/1P2P3/4Q3 w - - 0 1)
Salai, Ladislav
Sachove umeni (Ceskoslovensky sach), 1974
#2
8 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Qf2?
- threat
- 2.Qf7#
- 1...Se5
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...Sf4!
- threat
- 1.Qb4?
- 1...Sf4
- 2.Qf8#
- 1...Sh4
- 2.Qf8#
- 1...Se5
- 2.Qf8#
- 1...Sf8
- 2.Qxf8#
- 1...Sh8
- 2.Qf8#
- 1...e5
- 2.Qb3#
- 2.Qc4#
- 1...Se7!
- 1...Sf4
- 1.Qb1?
- 1...Sf4
- 2.Qh7#
- 1...Sh4
- 2.Qh7#
- 1...Se5
- 2.Qh7#
- 1...Se7
- 2.Qh7#
- 1...Sh8
- 2.Qh7#
- 1...e5
- 2.Qa2#
- 1...Sf8!
- 1...Sf4
- 1.Qf1?
- threat
- 2.Qf7#
- 1...Se5
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...Sf4!
- threat
- 1.Qg1?
- 1...Sf4
- 2.Sf6#
- 1...Sh4
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...Sh8
- 2.Sf6#
- 1...e5!
- 1...Sf4
- 1.Qh1?
- 1...Sf4
- 2.Rh8#
- 1...Se5
- 2.Rh8#
- 1...Se7
- 2.Rh8#
- 1...Sf8
- 2.Rh8#
- 1...Sh8
- 2.Rxh8#
- 1...e5
- 2.Qd5#
- 1...Sh4!
- 1...Sf4
- 1.c8Q?
- 1...Sf4
- 2.Ke7#
- 1...Sh4
- 2.Ke7#
- 1...Se5
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...Sh8
- 2.Ke7#
- 1...e5
- 2.Qc4#
- 1...Sf8!
- 1...Sf4
- 1.c8S?
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Se5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sh8
- 2.Se7#
- 1...e5!
- 1...Sf4
- 1.d8Q?
- 1...Sf4
- 2.Ke7#
- 1...Sh4
- 2.Ke7#
- 1...Se5
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...Sh8
- 2.Ke7#
- 1...e5
- 2.Qd5#
- 1...Sf8!
- 1...Sf4
- 1.Qf2?
- Keys
- 1.Qg3!
- 1...Sf4
- 2.Sf6#
- 1...Sh4
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...Sh8
- 2.Sf6#
- 1...e5
- 2.Qb3#
- 1...Sf4
- 1.Qg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(b);N_GUARD::QAR1(A)
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- S(b);OGATE::QAB1(A)
- P(a);OGATEB::QAB(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(b);N_GUARD::QAR1(A)
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- S(b);S_CUTP(c)::S(D)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- P(a);OGATEB::QAB(A)
- Refutation
- S(b);
- Try
- P(F);
- Vars
- S(b);::QAR(F)+K(H)
- S(b);::QAR(F)+K(H),XS(b)
- P(a);OGATEB::QAB(F)
- Refutation
- S(b);
- Try
- P(F);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(a);
- Try
- P(G);
- Vars
- S(b);::QAR(G)+K(H)
- S(b);::QAR(G)+K(H),XS(b)
- P(a);OGATEB::QAB(G)
- Refutation
- S(b);
- Try
- Actual
- Q(A);
- Vars
- S(b);S_CUTP(c)::S(D)
- P(a);OGATEB::QAB(A)
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).