MESON Chess Problem Database
Problem Display
PID: 164995 (8/8/8/3q4/3p1P1N/3Bk1B1/p1PN3n/K2R4 w - - 0 1)
Makaronets, Leonid
Novi Temi, 1980
#2
8 + 5
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Sc4#
- 2.Sf5#
- 1...Qg2
- 2.Sc4#
- 2.Sxg2#
- 2.Sf5#
- 1...Qb3
- 2.Sg2#
- 2.Sf5#
- 1...Qf3
- 2.Sc4#
- 2.Sf5#
- 1...Qc4
- 2.Sxc4#
- 2.Sg2#
- 2.Sf5#
- 1...Qe4
- 2.Sc4#
- 1...Qc6
- 2.Sf5#
- 1...Qe6
- 2.Sg2#
- 1...Qb7
- 2.Sc4#
- 2.Sf5#
- 1...Qf7
- 2.Sg2#
- 1...Qa8
- 2.Sc4#
- 2.Sf5#
- 1...Qg8
- 2.Sg2#
- 2.Sf5#
- 1...Qa5
- 2.Sc4#
- 2.Sg2#
- 1...Qb5
- 2.Sg2#
- 1...Qc5
- 2.Sg2#
- 1...Qe5
- 2.Sc4#
- 2.Sg2#
- 1...Qf5
- 2.Sc4#
- 2.Sg2#
- 2.Sxf5#
- 1...Qg5
- 2.Sc4#
- 2.Sg2#
- 1...Qh5
- 2.Sc4#
- 2.Sg2#
- 1...Qd6
- 2.Sc4#
- 2.Sg2#
- 2.Sf5#
- 1...Qd7
- 2.Sc4#
- 2.Sg2#
- 1...Qd8
- 2.Sc4#
- 2.Sg2#
- 2.Sf5#
- 1...Sf1
- 2.Sxf1#
- 1...Sf3
- 2.Sf1#
- 2.Sg2#
- 1...Sg4
- 2.Sf1#
- 1...Qh1
- Tries
- 1.Sdf3?
- threat
- 2.Re1#
- 1...Qxf3
- 2.Sf5#
- 1...Sxf3
- 2.Sg2#
- 1...Qa5!
- threat
- 1.f5?
- 1...Qxf5
- 2.Sc4#
- 2.Sg2#
- 2.Sxf5#
- 1...Qh1
- 2.Sc4#
- 1...Qg2
- 2.Sc4#
- 2.Sxg2#
- 1...Qb3
- 2.Sg2#
- 1...Qf3
- 2.Sc4#
- 1...Qc4
- 2.Sxc4#
- 2.Sg2#
- 1...Qe4
- 2.Sc4#
- 1...Qe6
- 2.Sg2#
- 1...Qb7
- 2.Sc4#
- 1...Qf7
- 2.Sg2#
- 1...Qa8
- 2.Sc4#
- 1...Qg8
- 2.Sg2#
- 1...Qa5
- 2.Sc4#
- 2.Sg2#
- 1...Qb5
- 2.Sg2#
- 1...Qc5
- 2.Sg2#
- 1...Qe5
- 2.Sc4#
- 2.Sg2#
- 1...Qd6
- 2.Sc4#
- 2.Sg2#
- 1...Qd7
- 2.Sc4#
- 2.Sg2#
- 1...Qd8
- 2.Sc4#
- 2.Sg2#
- 1...Sf1
- 2.Sxf1#
- 1...Sf3
- 2.Sf1#
- 2.Sg2#
- 1...Sg4
- 2.Sf1#
- 1...Qc6!
- 1...Qxf5
- 1.Sdf3?
- Keys
- 1.Shf3!
- threat
- 2.Re1#
- 1...Qxf3
- 2.Sc4#
- 1...Sxf3
- 2.Sf1#
- threat
- 1.Shf3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(e);N_GUARD::S(D)
- Q(e);N_GUARD::S(H)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- Tries
- Try
- S(D);
- Threat
- R(B)
- Vars
- Q(e);N_GUARD,SBLOCK,XS(D)::S(H)
- S(b);SBLOCK,XS(D)::S(H)
- Refutation
- Q(e);
- Try
- P(G);
- Vars
- Q(e);N_GUARD,P_PINR(B)::S(D)
- Q(e);N_GUARD::S(H)
- Q(e);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- Refutation
- Q(e);
- Try
- Actual
- S(H);
- Threat
- R(B)
- Vars
- Q(e);N_GUARD,SBLOCK,XS(H)::S(D)
- S(b);N_GUARD,SBLOCK,XS(H)::S(D)
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).