MESON Chess Problem Database
Problem Display
PID: 239733 (KBn3r1/PR1pp2Q/2k3r1/1N6/N7/8/1p6/3R4 w - - 0 1)
Szoghy, Jozsef
Schakend Nederland, 1978
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qc2#
- 1...Rd6
- 2.Qc2#
- 1...Re6
- 2.Qc2#
- 1...Rf6
- 2.Qc2#
- 1...Rh6
- 2.Qc2#
- 1...R6g7
- 2.Qc2#
- 1...Sb6+
- 2.Rxb6#
- 1...Sd6
- 2.Rb6#
- 1...Sxa7
- 2.Sxa7#
- 2.Rb6#
- 1...d5
- 2.Sd4#
- 1...e5
- 2.Qxd7#
- 1...e6
- 2.Qxd7#
- 1...Rg1
- Tries
- 1.Sa3?
- threat
- 2.Rc7#
- 1...Sb6+
- 2.Rxb6#
- 1...d5!
- threat
- 1.Sbc3?
- threat
- 2.Rc7#
- 1...Sb6+
- 2.Rxb6#
- 1...d5!
- threat
- 1.Qxg6+?
- 1...Sd6
- 2.Rb6#
- 1...d6
- 2.Qc2#
- 1...e6
- 2.Qc2#
- 1...Rxg6!
- 1...Sd6
- 1.Qxg8?
- threat
- 2.Sd4#
- 2.Qc4#
- 2.Qd5#
- 2.Qxc8#
- 1...Sb6+
- 2.Rxb6#
- 1...Sxa7
- 2.Sd4#
- 2.Sxa7#
- 2.Rb6#
- 2.Qc4#
- 2.Qd5#
- 1...Rg4
- 2.Qd5#
- 2.Qxc8#
- 1...Rg5
- 2.Sd4#
- 2.Qxc8#
- 1...Rd6
- 2.Qc4#
- 2.Qxc8#
- 1...Re6
- 2.Qxc8#
- 1...Sd6
- 2.Sd4#
- 2.Rb6#
- 2.Qd5#
- 1...d5
- 2.Sd4#
- 2.Qxd5#
- 2.Qxc8#
- 2.Qe8#
- 1...e5
- 2.Qc4#
- 2.Qd5#
- 2.Qxc8#
- 1...e6
- 2.Qxc8#
- 1...Rxg8!
- threat
- 1.Qh1+?
- 1...d5
- 2.Sd4#
- 2.Qxd5#
- 1...Rg2!
- 1...d5
- 1.Qh2?
- threat
- 2.Qc7#
- 2.Qc2#
- 1...Sb6+
- 2.Rxb6#
- 1...b1Q
- 2.Qc7#
- 1...b1S
- 2.Qc7#
- 1...b1B
- 2.Qc7#
- 1...Rg2
- 2.Qc7#
- 1...Rg4
- 2.Qc7#
- 1...Rg5
- 2.Qc7#
- 1...Rd6
- 2.Qc2#
- 1...Sd6
- 2.Rb6#
- 1...d6
- 2.Qc2#
- 1...e5
- 2.Qc2#
- 1...Rg3!
- threat
- 1.Qh3?
- threat
- 2.Qxd7#
- 2.Qc3#
- 1...Sb6+
- 2.Rxb6#
- 1...b1S
- 2.Qxd7#
- 1...Rg3
- 2.Qxd7#
- 1...Rg5
- 2.Qxd7#
- 1...Rd6
- 2.Qc3#
- 1...Re6
- 2.Qc3#
- 1...Rd8
- 2.Qc3#
- 1...Sd6
- 2.Rb6#
- 2.Qxd7#
- 1...d5
- 2.Sd4#
- 2.Qd7#
- 2.Qc3#
- 1...d6
- 2.Qd7#
- 2.Qc3#
- 1...e6
- 2.Qc3#
- 1...Rg4!
- threat
- 1.Qxe7?
- threat
- 2.Qc5#
- 2.Qxd7#
- 1...Sb6+
- 2.Rxb6#
- 1...Sxe7
- 2.Rb6#
- 1...Rg5
- 2.Qxd7#
- 1...R6g7
- 2.Qc5#
- 1...R8g7
- 2.Qc5#
- 1...Rd8
- 2.Qc5#
- 1...Sd6
- 2.Rb6#
- 2.Qxd7#
- 1...d5
- 2.Sd4#
- 2.Qc5#
- 2.Qc7#
- 2.Qd7#
- 1...d6
- 2.Qc7#
- 2.Qd7#
- 1...Rd6!
- threat
- 1.Qf7?
- threat
- 2.Sd4#
- 2.Qc4#
- 2.Qd5#
- 1...Sb6+
- 2.Rxb6#
- 1...Rg4
- 2.Qd5#
- 1...Rg5
- 2.Sd4#
- 1...Rd6
- 2.Qc4#
- 1...Sd6
- 2.Sd4#
- 2.Rb6#
- 2.Qd5#
- 1...d5
- 2.Sd4#
- 2.Qxd5#
- 1...e5
- 2.Qc4#
- 2.Qd5#
- 2.Qxd7#
- 1...e6
- 2.Qxd7#
- 1...Re6!
- threat
- 1.Sa3?
- Keys
- 1.Sd6!
- threat
- 2.Rc7#
- 1...Sb6+
- 2.Rxb6#
- 1...Rxd6
- 2.Qc2#
- 1...Sxd6
- 2.Rb6#
- 1...exd6
- 2.Qxd7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(c);OGATE::QAR(F)
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- S(f);N_GUARD,P_PINB(H)::R1(E)
- P(d);SBLOCK::S(C)
- P(e);OGATE::QAB1(F),XP(d)
- Tries
- Try
- S(C);
- Threat
- R1(E)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- Refutation
- P(d);
- Try
- S(C);
- Threat
- R1(E)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- Refutation
- P(d);
- Try
- Q(F);CHECK,XR(c)
- Vars
- S(f);P_PINB(H),P_SPINS(f)::R1(E)
- P(d);P_SPINP(d)::QAR(F)
- P(e);P_SPINP(e)::QAR(F)
- Refutation
- R(g);XQ(F)
- Try
- Q(F);XR(g)
- Threat
- DUALS(4)
- Vars
- S(f);CHECK,N_GUARD::R1(E),XS(f)
- R(c);::QAR2(F),XS(f)
- P(e);::QAR2(F),XS(f)
- Refutation
- R(c);XQ(F)
- Try
- Q(F);CHECK
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- P(a);::QAR1(F)
- R(c);::QAR1(F)
- R(c);::QAR(F)
- S(f);N_GUARD,P_PINB(H)::R1(E)
- P(d);::QAR(F)
- P(e);::QAR(F)
- Refutation
- R(c);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- P(a);::QAB1(F),XP(d)
- R(c);::QAB1(F),XP(d)
- R(c);::QAR(F)
- R(g);::QAR(F)
- P(e);::QAR(F)
- Refutation
- R(c);
- Try
- Q(F);XP(e)
- Threat
- DUALS(2)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- S(f);N_GUARD,P_PINB(H),XQ(F)::R1(E)
- R(c);::QAB1(F),XP(d)
- R(c);::QAR1(F)
- R(g);::QAR1(F)
- Refutation
- R(c);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- R(c);::QAB1(F)
- R(c);::S(C)
- R(c);::QAR2(F)
- P(e);OGATE::QAB1(F),XP(d)
- Refutation
- R(c);
- Try
- Actual
- S(C);
- Threat
- R1(E)
- Vars
- S(f);CHECK,N_GUARD,P_PINB(H)::R1(E),XS(f)
- R(c);OGATE,XS(C)::QAR(F)
- S(f);N_GUARD,P_PINB(H),XS(C)::R1(E)
- P(e);OGATE,XS(C)::QAB1(F),XP(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).