MESON Chess Problem Database
Problem Display
PID: 243442 (7q/b3r1p1/3N4/1Q5p/2p2Np1/2B1k1P1/4p1P1/2n2nK1 w - - 0 1)
Bednar, Milan
Sachove umeni (Ceskoslovensky sach), 1983
#2
7 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sf5#
- 1...Re5
- 2.Qxe5#
- 1...Rb7
- 2.Qe5#
- 1...Rc7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qc5#
- 2.Qb6#
- 1...Sd3
- 2.Sd5#
- 1...Re4
- Tries
- 1.Qxc4?
- threat
- 2.Sd5#
- 2.Sf5#
- 1...Sxg3
- 2.Sd5#
- 1...Qh7
- 2.Sd5#
- 1...Qa8
- 2.Sf5#
- 1...Qc8
- 2.Sd5#
- 1...Qf8
- 2.Sd5#
- 1...Qg8
- 2.Sf5#
- 1...Rf7
- 2.Sd5#
- 2.Qe6#
- 2.Qe4#
- 1...Bd4
- 2.Sd5#
- 2.Qxd4#
- 1...g6
- 2.Sd5#
- 1...Re5!
- threat
- 1.Qc6?
- threat
- 2.Sxc4#
- 2.Sf5#
- 1...Qh7
- 2.Sxc4#
- 1...Qc8
- 2.Sxc4#
- 1...Qf8
- 2.Sxc4#
- 1...Qg8
- 2.Sf5#
- 1...Re4
- 2.Sf5#
- 2.Qxe4#
- 1...Re5
- 2.Sxc4#
- 1...Rf7
- 2.Sxc4#
- 2.Qe4#
- 1...Sd2
- 2.Sf5#
- 1...g6
- 2.Sxc4#
- 1...Sxg3!
- threat
- 1.Qd5?
- threat
- 2.Sxc4#
- 2.Sf5#
- 1...Sxg3
- 2.Bd2#
- 2.Qd2#
- 1...Qh7
- 2.Sxc4#
- 1...Qf8
- 2.Sxc4#
- 1...Re4
- 2.Sf5#
- 2.Qxe4#
- 1...Re5
- 2.Sxc4#
- 2.Qxe5#
- 1...Rc7
- 2.Sf5#
- 2.Qe4#
- 2.Qe6#
- 2.Qe5#
- 1...Rf7
- 2.Sxc4#
- 2.Qe4#
- 2.Qe6#
- 2.Qe5#
- 1...Sd2
- 2.Sf5#
- 2.Bxd2#
- 2.Qxd2#
- 1...g6
- 2.Sxc4#
- 1...Qc8!
- threat
- 1.Qf5?
- threat
- 2.Sd5#
- 2.Sxc4#
- 1...e1Q
- 2.Sxc4#
- 1...e1S
- 2.Sxc4#
- 1...e1B
- 2.Sxc4#
- 1...e1R
- 2.Sxc4#
- 1...Qa8
- 2.Sxc4#
- 1...Qc8
- 2.Sd5#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sxc4#
- 2.Qxe5#
- 1...Rc7
- 2.Sd5#
- 2.Qe4#
- 2.Qe6#
- 2.Qe5#
- 1...Sd2
- 2.Sd5#
- 1...Qg8!
- threat
- 1.Qxc4?
- Keys
- 1.Qb1!
- threat
- 2.Sd5#
- 2.Sxc4#
- 2.Sf5#
- 1...Sxg3
- 2.Sd5#
- 2.Qxc1#
- 1...e1Q
- 2.Sxc4#
- 2.Sf5#
- 1...e1S
- 2.Sxc4#
- 2.Sf5#
- 1...e1B
- 2.Sxc4#
- 2.Sf5#
- 1...e1R
- 2.Sxc4#
- 2.Sf5#
- 1...Qh7
- 2.Sd5#
- 2.Sxc4#
- 1...Qa8
- 2.Sxc4#
- 2.Sf5#
- 1...Qc8
- 2.Sd5#
- 1...Qf8
- 2.Sd5#
- 2.Sxc4#
- 1...Qg8
- 2.Sf5#
- 1...Re4
- 2.Sd5#
- 2.Sf5#
- 2.Qxe4#
- 1...Re5
- 2.Sxc4#
- 1...Rc7
- 2.Sd5#
- 2.Sf5#
- 2.Qe4#
- 1...Rf7
- 2.Sd5#
- 2.Sxc4#
- 2.Qe4#
- 1...Sd3
- 2.Sd5#
- 1...Sd2
- 2.Sd5#
- 2.Sf5#
- 1...g6
- 2.Sd5#
- 2.Sxc4#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(i);SBLOCK::S(G)
- R(i);N_GUARD::QAR2(F),XR(i)
- R(i);N_GUARD::QAR2(F)
- B(h);N_GUARD::QAB(F),XB(h)
- S(a);SBLOCK::S(E)
- Tries
- Try
- Q(F);XP(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(E)
- Q(k);::S(E)
- Q(k);::S(G)
- P(j);::S(E)
- Refutation
- R(i);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(k);::S(G),XP(e)
- Q(k);::S(G)
- R(i);::S(G),XP(e)
- S(b);::S(G)
- P(j);::S(G),XP(e)
- Refutation
- S(b);XP(D)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(k);::S(G),XP(e)
- P(j);::S(G),XP(e)
- Refutation
- Q(k);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(c);::S(G),XP(e)
- Q(k);::S(G),XP(e)
- Q(k);::S(E)
- R(i);N_GUARD::QAR1(F),XR(i)
- S(b);::S(E)
- Refutation
- Q(k);
- Try
- Actual
- Q(F);
- Threat
- DUALS(3)
- Vars
- Q(k);::S(E)
- Q(k);::S(G)
- R(i);::S(G),XP(e)
- S(a);::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).