MESON Chess Problem Database
Problem Display
PID: 124221 (1r6/1p1Q4/pn1N2p1/kn4K1/8/PP6/8/8 w - - 0 1)
Mach, Julius Zdenek
Tyden rozhlasu, 1940
#2
5 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Re8
- 2.Sxb7#
- 1...Rf8
- 2.Sxb7#
- 1...Rg8
- 2.Sxb7#
- 1...Rh8
- 2.Sxb7#
- 1...Sc3
- 2.b4#
- 1...Sd4
- 2.b4#
- 1...Sxd6
- 2.b4#
- 1...Sa7
- 2.b4#
- 1...Sc7
- 2.b4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sxd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Ra8
- Tries
- 1.Qh3?
- 1...Sxa3
- 2.Qc3#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Re8
- 2.Sxb7#
- 1...Rf8
- 2.Sxb7#
- 1...Rg8
- 2.Sxb7#
- 1...Rh8
- 2.Sxb7#
- 1...Sc3
- 2.Qxc3#
- 1...Sd4
- 2.Qc3#
- 1...Sa7
- 2.Qc3#
- 1...Sc7
- 2.Qc3#
- 1...Sxd6!
- 1...Sxa3
- 1.Qf5?
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Re8
- 2.Sxb7#
- 1...Rf8
- 2.Sxb7#
- 1...Rg8
- 2.Sxb7#
- 1...Rh8
- 2.Sxb7#
- 1...gxf5!
- 1...Sa4
- 1.Qc6?
- 1...Sxa3
- 2.Qc3#
- 1...Sxd6
- 2.b4#
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Re8
- 2.Sxb7#
- 1...Rf8
- 2.Sxb7#
- 1...Rg8
- 2.Sxb7#
- 1...Rh8
- 2.Sxb7#
- 1...Sc3
- 2.Qxc3#
- 2.b4#
- 1...Sd4
- 2.Qc3#
- 2.b4#
- 1...Sa7
- 2.Qc3#
- 2.b4#
- 1...Sc7
- 2.Qc3#
- 2.b4#
- 1...Sa4
- 2.Sc4#
- 2.b4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...bxc6!
- 1...Sxa3
- 1.Qh3?
- Keys
- 1.Qe8!
- 1...Rxe8
- 2.Sxb7#
- 1...Sxa3
- 2.Qe1#
- 1...Sxd6
- 2.b4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Sc3
- 2.b4#
- 1...Sd4
- 2.Qe1#
- 2.b4#
- 1...Sa7
- 2.Qe1#
- 2.b4#
- 1...Sc7
- 2.Qe1#
- 2.b4#
- 1...Rxe8
- 1.Qe8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(g);N_GUARD::S(D),XP(f)
- S(b);::P(B)
- S(b);XS(D)::P(B)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD,XQ(E)::S(D)
- Tries
- Try
- Q(E);
- Vars
- S(b);N_GUARD,XP(A)::QAB(E)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::QAB(E),XS(b)
- S(b);N_GUARD::QAB(E)
- Refutation
- S(b);XS(D)
- Try
- Q(E);P_PINS(b)
- Vars
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD,N_SPINS(b)::S(D)
- R(g);N_GUARD::S(D),XP(f)
- Refutation
- P(e);N_SPINS(b),XQ(E)
- Try
- Q(E);
- Vars
- S(b);N_GUARD,XP(A)::QAB(E)
- S(b);XS(D)::P(B)
- R(g);N_GUARD::S(D),XP(f)
- S(d);N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- Refutation
- P(f);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- R(g);N_GUARD,XQ(E)::S(D),XP(f)
- S(b);N_GUARD,XP(A)::QAB(E)
- S(b);XS(D)::P(B)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- R(g);N_GUARD::S(D),XP(f)
- S(b);::P(B)
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).