MESON Chess Problem Database
Problem Display
PID: 91257 (1n3n2/2N4q/3Bp2P/NP2p3/K1Bk1p1Q/1pR3P1/bP2R3/8 w - - 0 1)
Szoghy, Jozsef
Die Schwalbe, 1968
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Rxd3#
- 1...Qg8
- 2.Rd3#
- 1...Qxh6
- 2.Rd3#
- 1...Qxc7
- 2.Rd3#
- 1...Qd7
- 2.Rd3#
- 1...Qe7
- 2.Rd3#
- 1...Qf7
- 2.Rd3#
- 1...Qg7
- 2.Rd3#
- 1...Qh8
- 2.Rd3#
- 1...Bb1
- 2.Sxb3#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Sxe6#
- 2.Rd3#
- 1...Sfd7
- 2.Sxe6#
- 1...e4
- 2.Rd2#
- 1...Qd3
- Tries
- 1.Kb4?
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Sc6+
- 2.Sxc6#
- 1...Qxc7
- 2.Rd3#
- 1...Qe4
- 2.Bc5#
- 1...Qf5
- 2.Bc5#
- 1...Qe7
- 2.Rd3#
- 1...Qg7
- 2.Bc5#
- 2.Rd3#
- 1...Qh8
- 2.Bc5#
- 2.Rd3#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Sxe6#
- 2.Bc5#
- 2.Rd3#
- 1...Sfd7
- 2.Sxe6#
- 1...e4
- 2.Rd2#
- 1...Sa6+!
- threat
- 1.Sa6?
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Sxa6
- 2.Sc6#
- 1...Qe4
- 2.Bc5#
- 1...Qf5
- 2.Bc5#
- 1...Qa7
- 2.Bxe5#
- 2.Rd3#
- 1...Qc7
- 2.Rd3#
- 1...Qe7
- 2.Bxe5#
- 2.Rd3#
- 1...Qg7
- 2.Bc5#
- 2.Rd3#
- 1...Qh8
- 2.Bc5#
- 2.Rd3#
- 1...Sc6
- 2.Sxc6#
- 2.Bc5#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Bc5#
- 2.Rd3#
- 1...e4
- 2.Rd2#
- 1...Sfd7!
- threat
- 1.Bxb3?
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Bxb3+
- 2.Sxb3#
- 1...Qe4
- 2.Bc5#
- 1...Qf5
- 2.Bc5#
- 1...Qe7
- 2.Bxe5#
- 1...Qg7
- 2.Bc5#
- 1...Qh8
- 2.Bc5#
- 1...Sa6
- 2.Sc6#
- 2.Bxe5#
- 1...Sc6
- 2.Sxc6#
- 2.Bc5#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Sxe6#
- 2.Bc5#
- 1...Sfd7
- 2.Sxe6#
- 1...e4
- 2.Rd2#
- 1...Qxc7!
- threat
- 1.Bd5?
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Qxc7
- 2.Rd2#
- 1...Qe4
- 2.Bc5#
- 2.Rxe4#
- 1...Qf5
- 2.Bc5#
- 1...Qe7
- 2.Bxe5#
- 2.Rd2#
- 2.Re4#
- 1...Qg7
- 2.Bc5#
- 2.Rd2#
- 2.Re4#
- 1...Qh8
- 2.Bc5#
- 2.Rd2#
- 2.Re4#
- 1...Sa6
- 2.Sc6#
- 2.Bxe5#
- 1...Sc6
- 2.Sxc6#
- 2.Bc5#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Bc5#
- 2.Rd2#
- 2.Re4#
- 1...e4
- 2.Rd2#
- 1...Sfd7!
- threat
- 1.Qh2?
- threat
- 2.Qg1#
- 2.Qf2#
- 1...fxg3
- 2.Qg1#
- 1...Qb1
- 2.Qf2#
- 1...Qd3
- 2.Rxd3#
- 1...f3
- 2.Qf2#
- 1...e4
- 2.Rd2#
- 1...Qe4!
- threat
- 1.Qxf4+?
- 1...Qe4
- 2.Rd2#
- 2.Rxe4#
- 2.Rd3#
- 2.Qxe4#
- 1...e4
- 2.Rd2#
- 2.Rd3#
- 2.Qd2#
- 2.Qe3#
- 2.Qe5#
- 1...exf4!
- 1...Qe4
- 1.gxf4?
- threat
- 2.Qf2#
- 1...Qd3
- 2.Rxd3#
- 1...e4
- 2.Rd2#
- 1...Qe4!
- threat
- 1.g4?
- threat
- 2.Qf2#
- 1...Qd3
- 2.Rxd3#
- 1...e4
- 2.Rd2#
- 1...Qe4!
- threat
- 1.b6?
- threat
- 2.Sb5#
- 1...Qxc7
- 2.Rd3#
- 1...Qd7+!
- threat
- 1.Kb4?
- Keys
- 1.Qe7!
- threat
- 2.Bc5#
- 2.Bxe5#
- 1...Qxe7
- 2.Rd3#
- 1...Qe4
- 2.Bc5#
- 1...Qf5
- 2.Bc5#
- 1...Qg7
- 2.Bc5#
- 2.Rd3#
- 1...Qh8
- 2.Bc5#
- 2.Rd3#
- 1...Sa6
- 2.Sc6#
- 2.Bxe5#
- 1...Sc6
- 2.Sxc6#
- 2.Bc5#
- 1...Sbd7
- 2.Sc6#
- 1...Sg6
- 2.Sxe6#
- 2.Bc5#
- 2.Rd3#
- 1...Sfd7
- 2.Sxe6#
- 1...e4
- 2.Rd2#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::R1(C),XQ(g)
- Q(g);N_GUARD::R1(C)
- Q(g);N_GUARD,XP(K)::R1(C)
- Q(g);N_GUARD,XS(L)::R1(C)
- Q(g);N_GUARD,P_PINP(I)::R1(C)
- B(a);N_GUARD::S(H),XP(b)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- S(i);N_GUARD::S(L),XP(f)
- P(e);N_SPINP(d),SBLOCK,S_CUTQ(g)::R(B)
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::S(H),XS(h)
- Q(g);N_GUARD,XS(L)::R1(C)
- Q(g);N_SPINP(d)::B(J)
- Q(g);::B(J)
- Q(g);N_GUARD,P_PINB(J)::R1(C)
- S(h);N_GUARD::S(H)
- S(i);N_GUARD::S(L),XP(f)
- P(e);N_SPINP(d),SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- S(h);CHECK
- Try
- S(L);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XS(L)::S(H)
- Q(g);N_SPINP(d)::B(J)
- Q(g);::B(J)
- Q(g);N_GUARD::R1(C)
- S(h);N_GUARD::S(H)
- P(e);N_SPINP(d),SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- S(i);
- Try
- B(F);XP(b)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,XB(F)::S(H),XB(a)
- Q(g);N_SPINP(d)::B(J)
- Q(g);::B(J)
- Q(g);::B(J),XP(e)
- S(h);N_GUARD::S(H)
- S(i);N_GUARD::S(L),XP(f)
- P(e);N_SPINP(d),SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- Q(g);XS(L)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XS(L)::R(B)
- Q(g);::B(J)
- S(h);N_GUARD::S(H)
- P(e);N_SPINP(d),S_CUTQ(g)::R(B)
- Refutation
- S(i);
- Try
- Q(G);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- P(d);XP(D)::QAB(G)
- Q(g);::QAB(G)
- Q(g);N_GUARD::R1(C),XQ(g)
- P(d);::QAB(G)
- P(e);SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- Q(g);
- Try
- Q(G);CHECK,XP(d)
- Refutation
- P(e);XQ(G)
- Try
- P(D);XP(d)
- Threat
- QAB(G)
- Vars
- Q(g);N_GUARD::R1(C),XQ(g)
- P(e);SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- Q(g);
- Try
- P(D);N_PINP(d)
- Threat
- QAB(G)
- Vars
- Q(g);N_GUARD::R1(C),XQ(g)
- P(e);SBLOCK,S_CUTQ(g)::R(B)
- Refutation
- Q(g);
- Try
- P(I);
- Threat
- S(L)
- Vars
- Q(g);N_GUARD,XS(L)::R1(C)
- Refutation
- Q(g);CHECK
- Try
- Actual
- Q(G);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XQ(G)::R1(C)
- Q(g);::B(J)
- S(h);N_GUARD::S(H)
- S(i);N_GUARD::S(L),XP(f)
- P(e);SBLOCK,S_CUTQ(g)::R(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).