MESON Chess Problem Database
Problem Display
PID: 59924 (1q6/3Rp1Np/B6Q/4p3/R2nk3/2p1N1K1/8/1brn4 w - - 0 1)
Rukhlis, Efim Naumovich
1st Prize, Szachy, 1970
#2
7 + 10
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Tries
- 1.Sxd1?
- threat
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Qd6
- 2.Qh1#
- 1...Qb5
- 2.Sf2#
- 2.Qe3#
- 2.Qxh7#
- 1...Qc7
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qb2
- 2.Qe3#
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Qb3
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qb4
- 2.Sf2#
- 2.Qe3#
- 2.Qh4#
- 1...Qb6
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 1...Qb7
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qa8
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qc8
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qe8
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 1...Qf8
- 2.Qe3#
- 2.Qc6#
- 1...Qg8
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 1...Qh8
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 1...Rc2
- 2.Qe3#
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Ba2
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...e6
- 2.Sf2#
- 2.Qe3#
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Rxd1!
- threat
- 1.Sg2?
- threat
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Qb5
- 2.Qxh7#
- 1...Qc7
- 2.Qh4#
- 2.Qxh7#
- 1...Qb3
- 2.Qh4#
- 2.Qxh7#
- 1...Qb4
- 2.Qh4#
- 1...Qb6
- 2.Qh4#
- 1...Qb7
- 2.Qh4#
- 2.Qxh7#
- 1...Qa8
- 2.Qh4#
- 2.Qxh7#
- 1...Qc8
- 2.Qh4#
- 2.Qxh7#
- 1...Qe8
- 2.Qh4#
- 2.Qc6#
- 1...Qf8
- 2.Qc6#
- 1...Qg8
- 2.Qh4#
- 1...Qh8
- 2.Qh4#
- 2.Qc6#
- 1...Ba2
- 2.Qh4#
- 2.Qxh7#
- 1...Sf2
- 2.Qe3#
- 2.Qc6#
- 2.Qxh7#
- 1...Se3
- 2.Qxe3#
- 1...e6
- 2.Qh4#
- 2.Qxh7#
- 1...Qd6!
- threat
- 1.Sg4?
- threat
- 2.Qh1#
- 2.Qc6#
- 2.Qxh7#
- 1...Qd6
- 2.Qh1#
- 1...Qb5
- 2.Qxh7#
- 1...Qc7
- 2.Qh1#
- 2.Qxh7#
- 1...Qb2
- 2.Qc6#
- 2.Qxh7#
- 1...Qb3
- 2.Qh1#
- 2.Qxh7#
- 1...Qb6
- 2.Qh1#
- 1...Qb7
- 2.Qh1#
- 2.Qxh7#
- 1...Qa8
- 2.Qh1#
- 2.Qxh7#
- 1...Qc8
- 2.Qh1#
- 2.Qxh7#
- 1...Qe8
- 2.Qh1#
- 2.Qc6#
- 1...Qf8
- 2.Qc6#
- 1...Qg8
- 2.Qh1#
- 1...Qh8
- 2.Qh1#
- 2.Qc6#
- 1...Rc2
- 2.Qc6#
- 2.Qxh7#
- 1...Ba2
- 2.Qh1#
- 2.Qxh7#
- 1...Sb2
- 2.Sf2#
- 2.Qe3#
- 2.Qc6#
- 2.Qxh7#
- 1...Sf2
- 2.Sxf2#
- 2.Qe3#
- 2.Qc6#
- 2.Qxh7#
- 1...Se3
- 2.Sf2#
- 2.Qxe3#
- 1...e6
- 2.Sf6#
- 2.Qh1#
- 2.Qxh7#
- 1...Qb4!
- threat
- 1.Sd5?
- threat
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qd6
- 2.Qh1#
- 1...Qb5
- 2.Qxh7#
- 1...Qb2
- 2.Qh4#
- 2.Qxh7#
- 1...Qb4
- 2.Qh4#
- 1...Qb6
- 2.Qh1#
- 2.Qh4#
- 1...Qe8
- 2.Qh1#
- 2.Qh4#
- 1...Qg8
- 2.Qh1#
- 2.Qh4#
- 1...Qh8
- 2.Qh1#
- 2.Qh4#
- 1...Rc2
- 2.Qh4#
- 2.Qxh7#
- 1...Sb2
- 2.Qe3#
- 2.Qh4#
- 2.Qxh7#
- 1...Sf2
- 2.Qe3#
- 2.Qxh7#
- 1...Se3
- 2.Qxe3#
- 1...Qf8!
- threat
- 1.Sef5?
- threat
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 1...Qd6
- 2.Qh1#
- 1...Qc7
- 2.Qh1#
- 2.Qh4#
- 1...Qb2
- 2.Qh4#
- 2.Qc6#
- 1...Qb3
- 2.Qh1#
- 2.Qh4#
- 1...Qb4
- 2.Qh4#
- 1...Qb6
- 2.Qh1#
- 2.Qh4#
- 1...Qb7
- 2.Qh1#
- 2.Qh4#
- 1...Qa8
- 2.Qh1#
- 2.Qh4#
- 1...Qc8
- 2.Qh1#
- 2.Qh4#
- 1...Qg8
- 2.Qh1#
- 2.Qh4#
- 1...Rc2
- 2.Qh4#
- 2.Qc6#
- 1...Ba2
- 2.Qh1#
- 2.Qh4#
- 1...Sb2
- 2.Qe3#
- 2.Qh4#
- 2.Qc6#
- 1...Sf2
- 2.Qe3#
- 2.Qc6#
- 1...Se3
- 2.Qxe3#
- 1...e6
- 2.Qh1#
- 2.Qh4#
- 1...Qb5!
- threat
- 1.Sxd1?
- Keys
- 1.Sf1!
- threat
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Qd6
- 2.Qh1#
- 1...Qb5
- 2.Qxh7#
- 1...Qc7
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qb2
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Qb3
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qb4
- 2.Qh4#
- 1...Qb6
- 2.Qh1#
- 2.Qh4#
- 1...Qb7
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qa8
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qc8
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Qe8
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 1...Qf8
- 2.Qc6#
- 1...Qg8
- 2.Qh1#
- 2.Qh4#
- 1...Qh8
- 2.Qh1#
- 2.Qh4#
- 2.Qc6#
- 1...Rc2
- 2.Qh4#
- 2.Qc6#
- 2.Qxh7#
- 1...Ba2
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- 1...Sf2
- 2.Qe3#
- 2.Qc6#
- 2.Qxh7#
- 1...Se3
- 2.Qxe3#
- 1...e6
- 2.Qh1#
- 2.Qh4#
- 2.Qxh7#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);XS(c)
- Threat
- DUALS(6)
- Vars
- Q(j);::QAB(E)
- Refutation
- R(b);XS(A)
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(j);::QAB(E),XP(i)
- Q(j);N_SPINS(e)::QAR(E)
- Q(j);::QAR(E)
- Q(j);::QAB(E)
- Q(j);P_PINS(G)::QAR(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- Q(j);
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(j);::QAB(E)
- Q(j);::QAB(E),XP(i)
- Refutation
- Q(j);N_SPINS(e)
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(j);::QAB(E)
- Q(j);::QAB(E),XP(i)
- Q(j);N_SPINS(e)::QAR(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- Q(j);
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(j);::QAB(E)
- Q(j);N_SPINS(e)::QAR(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- Q(j);
- Try
- Actual
- S(A);
- Threat
- DUALS(4)
- Vars
- Q(j);::QAB(E)
- Q(j);::QAB(E),XP(i)
- Q(j);N_SPINS(e)::QAR(E)
- S(c);N_GUARD::QAR1(E),XS(c)
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).