MESON Chess Problem Database
Problem Display
PID: 12132 (7B/2N3r1/8/R3pP2/RNq1k1Bn/8/1p1QprP1/1Kn5 w - - 0 1)
Fleck, Ferenc
1/2 Prize, Magyar Sakkelet, 1975
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qa2+
- 2.Sxa2#
- 1...Qd3+
- 2.Sxd3#
- 1...Qd5
- 2.Sbxd5#
- 1...Qa6
- 2.Sbxa6#
- 1...Qe6
- 2.Sbd5#
- 1...Qf7
- 2.Sbd5#
- 1...Qg8
- 2.Sbd5#
- 1...Qc2+
- 2.Sxc2#
- 1...Qxb4
- 2.Rxb4#
- 1...Qc6
- 2.Sxc6#
- 1...Qxc7
- 2.Sc6#
- 1...Rxg4
- 2.Rxe5#
- 1...Rg5
- 2.Rxe5#
- 1...Rg6
- 2.Rxe5#
- 1...Rxc7
- 2.Rxe5#
- 1...Rd7
- 2.Rxe5#
- 1...Rf7
- 2.Rxe5#
- 1...Rh7
- 2.Rxe5#
- 1...Rg8
- 2.Rxe5#
- 1...Qa2+
- Tries
- 1.Sc2?
- threat
- 2.Rxc4#
- 2.Qe3#
- 1...Qxa4
- 2.Rxa4#
- 2.Qe3#
- 1...Rxg4
- 2.Rxe5#
- 1...Rxc7
- 2.Rxe5#
- 2.Qe3#
- 1...Sxg2
- 2.Rxc4#
- 1...e1Q
- 2.Rxc4#
- 1...e1R
- 2.Rxc4#
- 1...Qb4
- 2.Rxb4#
- 2.Qe3#
- 1...Qd4
- 2.Qe3#
- 1...Rf3
- 2.Rxc4#
- 1...Rd7
- 2.Rxe5#
- 2.Qe3#
- 1...Sb3
- 2.Qe3#
- 1...Sf3
- 2.Qe3#
- 1...Sxf5!
- threat
- 1.Sbd5?
- threat
- 2.Sc3#
- 2.Sf6#
- 2.Rxc4#
- 2.Qe3#
- 1...Qxa4
- 2.Sc3#
- 2.Sf6#
- 2.Rxa4#
- 2.Qe3#
- 1...Rxf5
- 2.Sc3#
- 2.Rxc4#
- 2.Qe3#
- 1...Rxc7
- 2.Sc3#
- 2.Sf6#
- 2.Qe3#
- 1...Sxg2
- 2.Sc3#
- 2.Sf6#
- 2.Rxc4#
- 1...Sxf5
- 2.Sc3#
- 2.Sf6#
- 1...Sd3
- 2.Rxc4#
- 2.Qe3#
- 1...e1Q
- 2.Sc3#
- 2.Sf6#
- 2.Rxc4#
- 1...e1R
- 2.Sc3#
- 2.Sf6#
- 2.Rxc4#
- 1...Qb4
- 2.Sc3#
- 2.Sf6#
- 2.Rxb4#
- 2.Qe3#
- 1...Qd4
- 2.Sc3#
- 2.Sf6#
- 2.Qe3#
- 1...Rf3
- 2.Sf6#
- 2.Rxc4#
- 1...Rg6
- 2.Sc3#
- 2.Rxc4#
- 2.Qe3#
- 1...Rf7
- 2.Sc3#
- 2.Rxc4#
- 2.Qe3#
- 1...Sa2
- 2.Sf6#
- 2.Rxc4#
- 2.Qe3#
- 1...Sb3
- 2.Sc3#
- 2.Sf6#
- 2.Qe3#
- 1...Sf3
- 2.Sc3#
- 2.Sf6#
- 2.Qe3#
- 1...Rxg4!
- threat
- 1.Sba6?
- threat
- 2.Sc5#
- 2.Rxc4#
- 1...Qxa4
- 2.Sc5#
- 2.Rxa4#
- 1...Rxg4
- 2.Rxe5#
- 1...Rxc7
- 2.Rxe5#
- 1...Sxf5
- 2.Sc5#
- 1...Sd3
- 2.Rxc4#
- 1...Qb4
- 2.Sc5#
- 2.Rxb4#
- 1...Qd4
- 2.Sc5#
- 1...Rd7
- 2.Sc5#
- 2.Rxe5#
- 1...Sf3
- 2.Sc5#
- 1...Sb3!
- threat
- 1.Sc6?
- threat
- 2.Rxc4#
- 2.Rxe5#
- 1...Qxa4
- 2.Rxa4#
- 2.Rxe5#
- 1...Rxf5
- 2.Rxc4#
- 1...Rxg4
- 2.Rxe5#
- 1...Sxf5
- 2.Rxe5#
- 1...Qb4
- 2.Rxb4#
- 2.Rxe5#
- 1...Qd4
- 2.Rxe5#
- 1...Rd7
- 2.Rxe5#
- 1...Re7
- 2.Rxc4#
- 1...Sb3
- 2.Rxe5#
- 1...Sd3
- 2.Rxc4#
- 1...Sg6
- 2.Rxc4#
- 1...Sf3!
- threat
- 1.Scd5?
- threat
- 2.Sf6#
- 2.Qe3#
- 1...Qa2+
- 2.Sxa2#
- 1...Qd3+
- 2.Sxd3#
- 1...Qc2+
- 2.Sxc2#
- 1...Qxd5
- 2.Sxd5#
- 1...Rxf5
- 2.Qe3#
- 1...Sxg2
- 2.Sf6#
- 1...Sxf5
- 2.Sf6#
- 1...Sd3
- 2.Qe3#
- 1...e1Q
- 2.Sf6#
- 1...e1R
- 2.Sf6#
- 1...Qb3
- 2.Sf6#
- 1...Qa6
- 2.Sxa6#
- 2.Sc3#
- 2.Qe3#
- 1...Qc3
- 2.Sxc3#
- 2.Sf6#
- 1...Qd4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Qc6
- 2.Sxc6#
- 2.Qe3#
- 1...Rf3
- 2.Sf6#
- 1...Rg6
- 2.Qe3#
- 1...Rf7
- 2.Qe3#
- 1...Rxg4!
- threat
- 1.Se8?
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Qa2+
- 2.Sxa2#
- 1...Qd3+
- 2.Sxd3#
- 1...Qc2+
- 2.Sxc2#
- 1...Rxf5
- 2.Sd6#
- 1...Rxg4
- 2.Sd6#
- 2.Rxe5#
- 1...Sxf5
- 2.Sf6#
- 1...Qd5
- 2.Sxd5#
- 2.Sf6#
- 1...Qa6
- 2.Sxa6#
- 1...Qe6
- 2.Sd5#
- 1...Qf7
- 2.Sd5#
- 2.Sd6#
- 1...Qd4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Qc6
- 2.Sxc6#
- 1...Qc7
- 2.Sc6#
- 2.Sf6#
- 1...Rg6
- 2.Rxe5#
- 1...Rd7
- 2.Sf6#
- 2.Rxe5#
- 1...Rf7
- 2.Sd6#
- 2.Rxe5#
- 1...Sd3!
- threat
- 1.Sc2?
- Keys
- 1.Sa2!
- threat
- 2.Sc3#
- 2.Rxc4#
- 1...Qxa4
- 2.Sc3#
- 2.Rxa4#
- 1...Rxg4
- 2.Rxe5#
- 1...Rxc7
- 2.Sc3#
- 2.Rxe5#
- 1...Sxa2
- 2.Rxc4#
- 1...Sxf5
- 2.Sc3#
- 1...Sd3
- 2.Rxc4#
- 1...Qb4
- 2.Sc3#
- 2.Rxb4#
- 1...Qd4
- 2.Sc3#
- 1...Rf3
- 2.Rxc4#
- 1...Rd7
- 2.Sc3#
- 2.Rxe5#
- 1...Sb3
- 2.Sc3#
- 1...Sf3
- 2.Sc3#
- threat
- 1.Sa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 18
- Sets
- Q(e);CHECK::R(D)+S(E),XQ(e)
- Q(e);::R(D)+S(E),XQ(e)
- Q(e);::R(D)+S(E)
- Q(e);OGATE,P_SPINQ(e),XS(E)::R(D),XQ(e)
- Q(e);XS(I)::R(D)+S(E)
- R(i);XB(F)::R1(G),XP(h)
- R(i);::R1(G),XP(h)
- R(i);XS(I)::R1(G),XP(h)
- Tries
- Try
- S(E);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- R(i);XB(F)::R1(G),XP(h)
- S(g);XP(C)::R(D),XQ(e)
- P(c);::R(D),XQ(e)
- Q(e);::QAR1(B)
- R(d);::R(D),XQ(e)
- S(a);::QAR1(B)
- S(g);::QAR1(B)
- Refutation
- S(g);XP(H)
- Try
- S(E);P_PINQ(e)
- Threat
- DUALS(4)
- Refutation
- R(i);XB(F)
- Try
- S(E);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- R(i);XB(F)::R1(G),XP(h)
- R(i);XS(I)::R1(G),XP(h)
- S(g);XP(H)::S(E)
- S(a);::R(D),XQ(e)
- Q(e);::S(E)
- S(g);::S(E)
- Refutation
- S(a);
- Try
- S(E);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- R(d);XP(H)::R(D),XQ(e)
- R(i);XB(F)::R1(G),XP(h)
- S(g);XP(H)::R1(G),XP(h)
- Q(e);::R1(G),XP(h)
- R(i);::R1(G),XP(h)
- R(i);::R(D),XQ(e)
- S(a);::R1(G),XP(h)
- S(a);::R(D),XQ(e)
- S(g);::R(D),XQ(e)
- Refutation
- S(g);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK::R(D)+S(E),XQ(e)
- Q(e);XS(I)::R(D)+S(E),XQ(e)
- R(d);XP(H)::QAR1(B)
- S(g);XP(C)::S(I)
- S(g);XP(H)::S(I)
- S(a);::QAR1(B)
- P(c);::S(I)
- Q(e);::S(I)
- R(d);::S(I)
- R(i);::QAR1(B)
- Refutation
- R(i);XB(F)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK::R(D)+S(E),XQ(e)
- R(d);XP(H)::S(I)
- S(g);XP(H)::S(I)
- Q(e);::R(D)+S(E),XQ(e)
- Q(e);::R(D)+S(E)
- Q(e);::S(I)
- R(i);::R1(G),XP(h)
- Refutation
- S(a);
- Try
- Actual
- S(E);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- R(i);XB(F)::R1(G),XP(h)
- S(a);XS(E)::R(D),XQ(e)
- S(g);XP(H)::S(E)
- S(a);::R(D),XQ(e)
- Q(e);::S(E)
- R(d);::R(D),XQ(e)
- S(a);::S(E)
- S(g);::S(E)
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).