MESON Chess Problem Database
Problem Display
PID: 22319 (2K1B3/3P4/2kN3r/n3R3/8/7q/8/3R2B1 w - - 0 1)
Einat, Paz
Probleemblad, 1978
#2
7 + 4
| 3750 | FIDE Album (1977-1979) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qg2
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxd7+
- 2.Bxd7#
- 1...Qh1
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh2
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qa3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qb3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qc3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qd3
- 2.d8Q#
- 2.d8R#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qf3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qg3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh4
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh5
- 2.d8S#
- 1...Re6
- 2.d8S#
- 1...Qf1
- Tries
- 1.Sf5?
- threat
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qf1
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qg2
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qg4
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh1
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh2
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qa3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qb3
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qc3
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qd3
- 2.d8S#
- 1...Qf3
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qg3
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh4
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rh4
- 2.Se7#
- 2.Rd6#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rh5
- 2.Se7#
- 2.Rd6#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Re6
- 2.d8S#
- 1...Rf6
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rg6
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Rh7
- 2.Rd6#
- 2.d8S#
- 1...Sb3
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc4
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sb7
- 2.Se7#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxf5!
- threat
- 1.Sb7?
- threat
- 2.Sxa5#
- 2.Sd8#
- 1...Qxd7+
- 2.Bxd7#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qa3
- 2.Sd8#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qc3
- 2.Sd8#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qd3
- 2.d8S#
- 1...Qh4
- 2.Sxa5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sb3
- 2.Sd8#
- 1...Sc4
- 2.Sd8#
- 1...Sxb7!
- threat
- 1.Sf7?
- threat
- 2.Sd8#
- 1...Qxd7+
- 2.Bxd7#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qd3
- 2.d8S#
- 1...Qh4
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sb7!
- threat
- 1.Rb5?
- threat
- 2.Rb6#
- 1...Qxd7+
- 2.Bxd7#
- 1...Qd3
- 2.d8Q#
- 2.d8R#
- 1...Qb3
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qe3
- 2.d8S#
- 1...Sc4!
- threat
- 1.Sf5?
- Keys
- 1.Sb5!
- threat
- 2.Sa7#
- 1...Qxd7+
- 2.Bxd7#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qd3
- 2.d8S#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::B(G),XQ(a)
- Q(a);N_PINP(E)::P=Q
- Q(a);N_PINP(E)::P=S
- R(d);N_PINP(E)::P=S
- Tries
- Try
- S(D);N_SPINP(E)
- Threat
- DUALS(5)
- Vars
- Q(a);::P=Q
- Q(a);::P=S
- R(d);::P=S
- Refutation
- Q(a);P_PINP(E),XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::B(G),XQ(a)
- Q(a);N_PINP(E)::P=Q
- Q(a);N_PINP(E)::P=S
- S(b);::S(D)
- Refutation
- S(b);XS(D)
- Try
- S(D);
- Threat
- S(D)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::B(G),XQ(a)
- Q(a);N_PINP(E)::P=Q
- Q(a);N_PINP(E)::P=S
- Refutation
- S(b);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::B(G),XQ(a)
- Q(a);N_PINP(E)::P=Q
- Q(a);N_PINP(E)::P=S
- Refutation
- S(b);
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::B(G),XQ(a)
- Q(a);N_PINP(E)::P=Q
- Q(a);N_PINP(E)::P=S
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).