MESON Chess Problem Database
Problem Display
PID: 40360 (2Rb4/B3p1rp/1r2B3/R2P4/2NkN3/1P4p1/1PK2npq/4Qn2 w - - 0 1)
Fonagy, Miklos
Lindner, Laszlo
2nd HM., Hungarian Championship, 1942
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qe3#
- 1...Se3+
- 2.Qxe3#
- 1...Sd2
- Tries
- 1.Sed2?
- threat
- 2.Sf3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Sxd2
- 2.Qe3#
- 2.Qe5#
- 1...g1S
- 2.Qe5#
- 1...Rg5
- 2.Sf3#
- 1...Rf7
- 2.Qe5#
- 1...Bc7
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 2.Qe4#
- 1...Se4
- 2.Sf3#
- 2.Qxe4#
- 1...Sg4
- 2.Sf3#
- 2.Qe4#
- 1...Qh5!
- threat
- 1.Sxf2?
- threat
- 2.Qc3#
- 2.Qe4#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Qh4
- 2.Qc3#
- 2.Qe5#
- 1...Qh5
- 2.Qc3#
- 2.Qe4#
- 1...Rg4
- 2.Qc3#
- 2.Qe5#
- 1...Rg5
- 2.Qc3#
- 2.Qe4#
- 1...Bc7
- 2.Qc3#
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 2.Qe3#
- 2.Qe5#
- 1...gxf2!
- threat
- 1.Sc3?
- threat
- 2.Sb5#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Qh5
- 2.Sb5#
- 1...Rg5
- 2.Sb5#
- 1...Sd3
- 2.Sb5#
- 2.Qe4#
- 1...Se4
- 2.Se2#
- 2.Sb5#
- 2.Qxe4#
- 1...Sg4
- 2.Sb5#
- 2.Qe4#
- 1...Bc7!
- threat
- 1.Sxg3?
- threat
- 2.Sf5#
- 2.Qc3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Rxg3
- 2.Qe5#
- 1...Sxg3
- 2.Qe3#
- 2.Qe5#
- 1...Qh3
- 2.Qc3#
- 2.Qe5#
- 1...Qh5
- 2.Qc3#
- 1...Rg5
- 2.Qc3#
- 1...Rf7
- 2.Qc3#
- 2.Qe5#
- 1...Bc7
- 2.Sf5#
- 2.Qc3#
- 1...Sd2
- 2.Sf5#
- 2.Qxf2#
- 2.Qe3#
- 2.Qe5#
- 1...Sd1
- 2.Sf5#
- 2.Qe4#
- 2.Qe5#
- 1...Sd3
- 2.Sf5#
- 2.Qc3#
- 2.Qe4#
- 1...Se4
- 2.Se2#
- 2.Sf5#
- 2.Qxe4#
- 1...Sg4
- 2.Sf5#
- 2.Qc3#
- 2.Qe4#
- 1...Qxg3!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Qc3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...g1S
- 2.Qc3#
- 2.Qe5#
- 1...Qh5
- 2.Qc3#
- 2.Qe5#
- 1...Rf7
- 2.Qc3#
- 2.Qe5#
- 1...Bc7
- 2.Sf3#
- 2.Qc3#
- 1...Sd2
- 2.Qe3#
- 2.Qe5#
- 1...Sd1
- 2.Sf3#
- 2.Qe4#
- 2.Qe5#
- 1...Sd3
- 2.Sf3#
- 2.Qc3#
- 2.Qe4#
- 1...Se4
- 2.Sf3#
- 2.Qxe4#
- 1...Sg4
- 2.Sf3#
- 2.Qc3#
- 2.Qe4#
- 1...Rxg5!
- threat
- 1.Sed6?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Qc3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Qh3
- 2.Sb5#
- 2.Qc3#
- 2.Qe5#
- 1...Qh5
- 2.Sb5#
- 2.Qc3#
- 1...Rg5
- 2.Sb5#
- 2.Qc3#
- 1...Rf7
- 2.Sb5#
- 2.Qc3#
- 2.Qe5#
- 1...Bc7
- 2.Sf5#
- 2.Qc3#
- 2.Qe5#
- 1...Sd2
- 2.Sb5#
- 2.Sf5#
- 2.Qe3#
- 2.Qe5#
- 1...Sd1
- 2.Sb5#
- 2.Sf5#
- 2.Qe4#
- 2.Qe5#
- 1...Sd3
- 2.Sb5#
- 2.Sf5#
- 2.Qc3#
- 2.Qe4#
- 1...Se4
- 2.Sb5#
- 2.Sf5#
- 2.Qxe4#
- 1...Sg4
- 2.Sb5#
- 2.Sf5#
- 2.Qc3#
- 2.Qe4#
- 1...exd6!
- threat
- 1.Sf6?
- threat
- 2.Qc3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Qh5
- 2.Qc3#
- 1...Rg5
- 2.Qc3#
- 1...Bc7
- 2.Qc3#
- 1...Sd2
- 2.Qe3#
- 2.Qe5#
- 1...Sd1
- 2.Qe4#
- 2.Qe5#
- 1...Sd3
- 2.Qc3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qc3#
- 2.Qe4#
- 1...exf6!
- threat
- 1.Bf5?
- threat
- 2.Qc3#
- 1...Se3+
- 2.Qxe3#
- 1...Sxe4
- 2.Qxe4#
- 1...Sd2
- 2.Qe3#
- 1...Sd1!
- threat
- 1.Qxf2+?
- 1...Kxe4
- 2.Bf5#
- 1...Se3+
- 2.Qxe3#
- 1...gxf2!
- 1...Kxe4
- 1.Sed2?
- Keys
- 1.Sc5!
- threat
- 2.Qc3#
- 2.Qe5#
- 1...Se3+
- 2.Qxe3#
- 1...Rxb3
- 2.Sxb3#
- 1...Rxe6
- 2.Sxe6#
- 1...Qh5
- 2.Qc3#
- 1...Rg5
- 2.Qc3#
- 1...Bc7
- 2.Qc3#
- 1...Sd2
- 2.Qe3#
- 2.Qe5#
- 1...Sd1
- 2.Qe4#
- 2.Qe5#
- 1...Sd3
- 2.Qc3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qc3#
- 2.Qe4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAB1(A)
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- P(c);::QAB1(A)
- R(i);::S(F)
- R(i);::QAB1(A)
- B(k);::S(F)
- Refutation
- Q(d);
- Try
- S(F);XS(b)
- Threat
- DUALS(3)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Refutation
- P(e);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Q(d);::S(F)
- R(i);::S(F)
- Refutation
- B(k);
- Try
- S(F);XP(e)
- Threat
- DUALS(3)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- R(i);XS(F)::QAB1(A)
- Q(d);::QAB1(A)
- R(i);::QAB1(A)
- Refutation
- Q(d);XS(F)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Refutation
- R(i);XS(F)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Refutation
- P(h);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- Q(d);::QAB1(A)
- R(i);::QAB1(A)
- B(k);::QAB1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- P(h);XS(F)
- Try
- B(I);
- Threat
- QAB1(A)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- S(b);OGATE,XS(F)::QAR1(A),XS(b)
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(b);
- Try
- Q(A);CHECK,XS(b)
- Vars
- K(f);N_SPINR(g),P-FLIGHT,XS(F)::B(I)
- S(a);CHECK,N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- P(e);XQ(A)
- Try
- Actual
- S(F);N_PINR(g)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::QAB1(A),XS(a)
- R(g);XP(D)::B(J)+S(F),DCHECK,XR(g)
- R(g);XB(I)::B(J)+S(F),DCHECK,XR(g)
- Q(d);::QAB1(A)
- R(i);::QAB1(A)
- B(k);::QAB1(A)
- S(b);N_GUARD::QAR1(A),XS(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).