MESON Chess Problem Database
Problem Display
PID: 99568 (2RNR3/3r4/p2k3r/1b1N1P2/2p1B3/b1Q3q1/K2p4/5nB1 w - - 0 1)
Fleck, Ferenc
Magyar Sakkszovetseg, 1964
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qe5#
- 2.Qxa3#
- 1...Qf2
- 2.Qe5#
- 1...Qh2
- 2.Qxa3#
- 1...Qf4
- 2.Qxa3#
- 1...Qh4
- 2.Qe5#
- 2.Qxa3#
- 1...Qe5
- 2.Qxe5#
- 2.Qxa3#
- 1...Qxg1
- 2.Qe5#
- 1...Qg2
- 2.Qe5#
- 2.Qxa3#
- 1...Qd3
- 2.Qe5#
- 1...Qe3
- 2.Qe5#
- 1...Qf3
- 2.Qe5#
- 1...Qh3
- 2.Qe5#
- 1...Qg4
- 2.Qe5#
- 2.Qxa3#
- 1...Qg5
- 2.Qe5#
- 2.Qxa3#
- 1...Qg6
- 2.Qe5#
- 2.Qxa3#
- 1...Qg7
- 2.Qxa3#
- 1...Qg8
- 2.Qe5#
- 2.Qxa3#
- 1...Rh1
- 2.Re6#
- 2.Qf6#
- 1...Rh2
- 2.Re6#
- 2.Qf6#
- 1...Rh3
- 2.Re6#
- 2.Qf6#
- 1...Rh4
- 2.Re6#
- 2.Qf6#
- 1...Rh5
- 2.Re6#
- 2.Qf6#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Qxf6#
- 1...Rhh7
- 2.Re6#
- 2.Qf6#
- 1...Rh8
- 2.Re6#
- 2.Qf6#
- 1...Bc1
- 2.Bc5#
- 2.Qb4#
- 1...Bb2
- 2.Bc5#
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 1...Bc5
- 2.Bxc5#
- 1...Bc6
- 2.Rxc6#
- 1...Sh2
- 2.Qxg3#
- 1...Se3
- 2.Qxa3#
- 1...Qe1
- Tries
- 1.Se3?
- threat
- 2.Qd4#
- 2.Qxa3#
- 1...Qxe3
- 2.Qe5#
- 1...Rxd8
- 2.Qd4#
- 1...Sxe3
- 2.Qxa3#
- 1...Ra7
- 2.Qd4#
- 1...Rb7
- 2.Qd4#
- 1...Rc7
- 2.Qd4#
- 1...Re7
- 2.Qd4#
- 1...Rf7
- 2.Qd4#
- 1...Rg7
- 2.Qd4#
- 1...Rdh7
- 2.Qd4#
- 1...Bc6
- 2.Sxc4#
- 2.Rxc6#
- 2.Qxa3#
- 1...d1Q
- 2.Qxa3#
- 1...d1R
- 2.Qxa3#
- 1...Qe5
- 2.Qxe5#
- 1...Qg7
- 2.Qxa3#
- 1...Qg8
- 2.Qe5#
- 2.Qxa3#
- 1...Re6
- 2.Rxe6#
- 2.Qd4#
- 1...Bc1
- 2.Qb4#
- 2.Qd4#
- 1...Bb2
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 2.Qd4#
- 1...Bc5!
- threat
- 1.Sb4?
- threat
- 2.Bc5#
- 2.Qd4#
- 1...Qxg1
- 2.Qe5#
- 1...Qxc3
- 2.Bc5#
- 1...Rxd8
- 2.Qd4#
- 1...Bxb4
- 2.Qxb4#
- 2.Qd4#
- 1...Ra7
- 2.Qd4#
- 1...Rb7
- 2.Qd4#
- 1...Rc7
- 2.Qd4#
- 1...Re7
- 2.Qd4#
- 1...Rf7
- 2.Qd4#
- 1...Rg7
- 2.Qd4#
- 1...Rdh7
- 2.Qd4#
- 1...d1Q
- 2.Bc5#
- 1...d1R
- 2.Bc5#
- 1...Qf2
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd3
- 2.Bc5#
- 2.Qe5#
- 1...Qe3
- 2.Qe5#
- 1...Qg7
- 2.Bc5#
- 1...Qg8
- 2.Bc5#
- 2.Qe5#
- 1...Bb2
- 2.Bc5#
- 1...Bc6
- 2.Rxc6#
- 1...Se3!
- threat
- 1.Sf4?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Qxf4
- 2.Qd4#
- 2.Qxa3#
- 1...Qxg1
- 2.Qe5#
- 1...Rxd8
- 2.Qd4#
- 1...Ra7
- 2.Qd4#
- 1...Rb7
- 2.Qd4#
- 1...Rc7
- 2.Qd4#
- 1...Re7
- 2.Qd4#
- 1...Rf7
- 2.Qd4#
- 1...Rg7
- 2.Qd4#
- 1...Rdh7
- 2.Qd4#
- 1...d1Q
- 2.Qe5#
- 1...d1R
- 2.Qe5#
- 1...Qf2
- 2.Qe5#
- 1...Qd3
- 2.Qe5#
- 1...Qe3
- 2.Qe5#
- 1...Qg7
- 2.Qxa3#
- 1...Qg8
- 2.Qe5#
- 2.Qxa3#
- 1...Re6
- 2.Rxe6#
- 2.Qd4#
- 1...Bb2
- 2.Bc5#
- 2.Qb4#
- 1...Bc5
- 2.Bxc5#
- 2.Qe5#
- 1...Bc6
- 2.Rxc6#
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 2.Qxa3#
- 1...Qxc3!
- threat
- 1.Sc7?
- threat
- 2.Sb7#
- 2.Qd4#
- 1...Qxg1
- 2.Sb7#
- 2.Qe5#
- 1...Qxc3
- 2.Sb7#
- 1...Rxc7
- 2.Qd4#
- 1...Rxd8
- 2.Qd4#
- 1...Qf2
- 2.Sb7#
- 2.Qe5#
- 1...Qe3
- 2.Sb7#
- 2.Qe5#
- 1...Re7
- 2.Qd4#
- 1...Rf7
- 2.Qd4#
- 1...Rg7
- 2.Qd4#
- 1...Rdh7
- 2.Qd4#
- 1...Se3
- 2.Sb7#
- 2.Qxa3#
- 1...d1Q
- 2.Sb7#
- 1...d1R
- 2.Sb7#
- 1...Qe5
- 2.Sb7#
- 2.Qxe5#
- 1...Qd3
- 2.Sb7#
- 2.Qe5#
- 1...Qg7
- 2.Sb7#
- 2.Qxa3#
- 1...Qg8
- 2.Sb7#
- 2.Qe5#
- 2.Qxa3#
- 1...Bb2
- 2.Sb7#
- 2.Qb4#
- 1...Bc5
- 2.Sb7#
- 1...Bc6!
- threat
- 1.Se3?
- Keys
- 1.Sf6!
- threat
- 2.Re6#
- 2.Qd4#
- 1...Qxg1
- 2.Re6#
- 2.Qe5#
- 1...Qxc3
- 2.Re6#
- 1...Rxf6
- 2.Qd4#
- 2.Qxf6#
- 1...d1Q
- 2.Re6#
- 1...d1R
- 2.Re6#
- 1...Qf2
- 2.Re6#
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd3
- 2.Re6#
- 2.Qe5#
- 1...Qe3
- 2.Re6#
- 2.Qe5#
- 1...Qg8
- 2.Qe5#
- 2.Qxa3#
- 1...Re7
- 2.Qd4#
- 1...Bb2
- 2.Bc5#
- 2.Re6#
- 2.Qb4#
- 1...Bc5
- 2.Bxc5#
- 2.Re6#
- 1...Bc6
- 2.Rxc6#
- 2.Re6#
- 1...Se3
- 2.Re6#
- 2.Qxa3#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 16
- Sets
- Q(d);N_GUARD::QAB1(C)
- Q(d);N_GUARD::QAB(C),XB(c)
- Q(d);N_GUARD,XB(A)::QAB1(C)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::QAR2(C),XR(i)
- B(c);N_GUARD::QAB(C),XB(c)
- B(c);N_GUARD::B(A),XB(c)
- B(f);N_GUARD::R1(G),XB(f)
- S(a);N_GUARD::QAB(C),XQ(d)
- S(a);S_CUTQ(d)::QAB(C),XB(c)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XS(E)::QAB1(C)
- R(j);XS(H)::QAR2(C)
- S(a);XS(E)::QAB(C),XB(c)
- R(j);::QAR2(C)
- P(b);::QAB(C),XB(c)
- Q(d);N_GUARD::QAB1(C),XQ(d)
- Q(d);::QAB(C),XB(c)
- B(c);N_GUARD::QAB(C)
- Refutation
- B(c);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XB(A)::QAB1(C)
- Q(d);XQ(C)::B(A)
- R(j);XS(H)::QAR2(C)
- R(j);::QAR2(C)
- P(b);::B(A)
- Q(d);N_GUARD::QAB1(C)
- Q(d);N_GUARD::QAB1(C),XQ(d)
- Q(d);::B(A)
- B(c);::B(A)
- B(f);N_GUARD::R1(G),XB(f)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XB(A)::QAB1(C)
- R(j);XS(H)::QAR2(C)
- R(j);::QAR2(C)
- P(b);::QAB1(C)
- Q(d);::QAB1(C)
- Q(d);N_GUARD::QAB(C),XB(c)
- Refutation
- Q(d);XQ(C)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XQ(C)::S(H)
- R(j);XS(E)::QAR2(C)
- R(j);XS(H)::QAR2(C)
- R(j);::QAR2(C)
- P(b);::S(H)
- B(c);::S(H)
- Refutation
- B(f);
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XQ(C)::R1(I)
- P(b);::R1(I)
- Q(d);N_GUARD::QAB1(C),XQ(d)
- R(j);::QAR2(C)
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).