MESON Chess Problem Database
Problem Display
PID: 154075 (1Nr5/Kp1P4/1R1P1p2/1pk5/4Q1q1/NpPnb3/3R2n1/3r1bBB w - - 0 1)
Fleck, Ferenc
Magyar Sakkvilag, 1932
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qf3
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qh5
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qxd7
- 2.Sxd7#
- 1...Qg3
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qf4
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qh4
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qg5
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qg6
- 2.dxc8Q#
- 2.dxc8R#
- 1...Bd4
- 2.Bxd4#
- 1...Sge1
- 2.Bxe3#
- 2.Qd5#
- 1...Sgf4
- 2.Bxe3#
- 2.Qxe3#
- 1...Sh4
- 2.Bxe3#
- 2.Qd5#
- 1...Sc1
- 2.Qd5#
- 1...Sde1
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.cxb4#
- 1...Sdf4
- 2.Qb4#
- 1...Se5
- 2.Qd5#
- 1...f5
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qe2
- Tries
- 1.Bxg2?
- threat
- 2.Bxe3#
- 2.Qd5#
- 1...Qxg2
- 2.Bxe3#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Bxg2
- 2.Bxe3#
- 1...Bxg1
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Qe2
- 2.Qd5#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qf3
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qh3
- 2.Qd5#
- 1...Qf5
- 2.Bxe3#
- 2.Qxe3#
- 1...Qh5
- 2.Bxe3#
- 2.Qxe3#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qe6
- 2.Bxe3#
- 1...Qg3
- 2.Qd5#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qf4
- 2.Qd5#
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qg5
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qg8
- 2.Bxe3#
- 2.Qxe3#
- 1...Re1
- 2.Qd5#
- 1...Bf2
- 2.Qd5#
- 1...Bd4
- 2.Bxd4#
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.Bxe3#
- 2.cxb4#
- 1...Sf4
- 2.Bxe3#
- 2.Qxe3#
- 2.Qb4#
- 1...Qxe4!
- threat
- 1.Qf5+?
- 1...Se5
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qxf5!
- 1...Se5
- 1.dxc8S?
- threat
- 2.Rxb5#
- 1...Qd7
- 2.Sxd7#
- 1...Sc1
- 2.Qd5#
- 1...Sde1
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.cxb4#
- 1...Sdf4
- 2.Qb4#
- 1...Se5
- 2.Qd5#
- 1...b4
- 2.Rb5#
- 1...Qxc8!
- threat
- 1.d8Q?
- threat
- 2.Rxb5#
- 1...Qd7
- 2.Sxd7#
- 1...Sc1
- 2.Qd5#
- 1...Sde1
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.cxb4#
- 1...Sdf4
- 2.Qb4#
- 1...Se5
- 2.Qd5#
- 1...b4
- 2.Rb5#
- 1...Rxd8!
- threat
- 1.d8R?
- threat
- 2.Rxb5#
- 1...Qd7
- 2.Sxd7#
- 1...Sc1
- 2.Qd5#
- 1...Sde1
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.cxb4#
- 1...Sdf4
- 2.Qb4#
- 1...Se5
- 2.Qd5#
- 1...b4
- 2.Rb5#
- 1...Rxd8!
- threat
- 1.Bxg2?
- Keys
- 1.Bh2!
- threat
- 2.Rxb5#
- 1...Qxd7
- 2.Sxd7#
- 1...Qg3
- 2.dxc8Q#
- 2.dxc8R#
- 1...Qf4
- 2.dxc8Q#
- 2.dxc8R#
- 1...Bf4
- 2.Qd4#
- 1...Sgf4
- 2.Qxe3#
- 1...Sc1
- 2.Qd5#
- 1...Sde1
- 2.Qd5#
- 1...Sb2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sb4
- 2.cxb4#
- 1...Sdf4
- 2.Qb4#
- 1...Se5
- 2.Qd5#
- 1...b4
- 2.Rb5#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(g);N_GUARD::PXR(l)=Q
- Q(g);XP(J)::S(K),XQ(g)
- B(f);OGATE::B(A),XB(f)
- S(e);::QAR1(F)
- S(e);N_SPINB(f)::QAR1(F)
- S(e);OGATE::P(E),XS(e)
- S(e);N_GUARD,S_CUTQ(g)::QAB1(F)
- P(j);S_CUTQ(g)::PXR(l)=Q
- Tries
- Try
- B(B);XS(c)
- Threat
- DUALS(2)
- Vars
- B(b);XB(B)::B(A),XB(f)
- B(f);N_SPINB(f),XB(A)::QAR1(F)
- R(l);::QAR1(F)
- Q(g);N_GUARD::PXR(l)=Q
- Q(g);::QAR1(F)
- Q(g);::B(A),XB(f)
- R(a);::QAR1(F)
- B(f);::QAR1(F)
- S(e);N_SPINB(f)::QAR1(F)
- Refutation
- Q(g);XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(e);P_SPINS(e)::PXR(l)=Q
- Refutation
- Q(g);XQ(F)
- Try
- P(J);XR(l)
- Threat
- R1(G),XP(h)
- Vars
- Q(g);N_GUARD::S(K),XQ(g)
- S(e);::QAR1(F)
- S(e);N_SPINB(f)::QAR1(F)
- S(e);OGATE::P(E),XS(e)
- S(e);N_GUARD,S_CUTQ(g)::QAB1(F)
- P(h);::R1(G)
- Refutation
- Q(g);XS(J)
- Try
- P(J);
- Threat
- R1(G),XP(h)
- Vars
- Q(g);N_GUARD::S(K),XQ(g)
- S(e);::QAR1(F)
- S(e);N_SPINB(f)::QAR1(F)
- S(e);OGATE::P(E),XS(e)
- S(e);N_GUARD,S_CUTQ(g)::QAB1(F)
- P(h);::R1(G)
- Refutation
- R(l);XQ(J)
- Try
- P(J);
- Threat
- R1(G),XP(h)
- Vars
- Q(g);N_GUARD::S(K),XQ(g)
- S(e);::QAR1(F)
- S(e);N_SPINB(f)::QAR1(F)
- S(e);OGATE::P(E),XS(e)
- S(e);N_GUARD,S_CUTQ(g)::QAB1(F)
- P(h);::R1(G)
- Refutation
- R(l);XR(J)
- Try
- Actual
- B(A);N_PINB(f)
- Threat
- R1(G),XP(h)
- Vars
- Q(g);XP(J)::S(K),XQ(g)
- Q(g);N_GUARD::PXR(l)=Q
- B(f);N_GUARD,S_CUTQ(g)::QAB1(F)
- S(c);N_GUARD,S_CUTQ(g)::QAB(F),XB(f)
- S(e);::QAR1(F)
- S(e);OGATE::P(E),XS(e)
- S(e);N_GUARD,S_CUTQ(g)::QAB1(F)
- P(h);::R1(G)
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).