MESON Chess Problem Database
Problem Display
PID: 176601 (5KN1/3p4/n6r/1Q2Bp2/4k3/1N1pp1Pn/2p1RR2/3r4 w - - 0 1)
Fleck, Ferenc
Schach-Echo, 1979
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rh4
- 2.Sf6#
- 1...Rh5
- 2.Sf6#
- 1...Rf6+
- 2.Sxf6#
- 1...Rh7
- 2.Sf6#
- 1...Sg1
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sg5
- 2.Rf4#
- 1...Ra1
- Tries
- 1.Bd4?
- threat
- 2.Rxe3#
- 2.Qe5#
- 2.Qxf5#
- 1...Rf6+
- 2.Sxf6#
- 1...Sxf2
- 2.Rxe3#
- 1...dxe2
- 2.Qxf5#
- 1...c1Q
- 2.Qe5#
- 2.Qxf5#
- 1...c1B
- 2.Qe5#
- 2.Qxf5#
- 1...d5
- 2.Rxe3#
- 1...Re1
- 2.Qe5#
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 2.Rxe3#
- 2.Qe5#
- 1...Re6
- 2.Rxe3#
- 2.Qxf5#
- 1...Sf4
- 2.Rxe3#
- 2.Rxf4#
- 2.Qe5#
- 1...d2
- 2.Rxe3#
- 2.Qxf5#
- 1...f4
- 2.Qe5#
- 1...d6
- 2.Rxe3#
- 2.Qxf5#
- 1...Sc5!
- threat
- 1.Bf4?
- threat
- 2.Rxe3#
- 2.Qc4#
- 2.Qe5#
- 1...Rf6+
- 2.Sxf6#
- 1...Sxf2
- 2.Rxe3#
- 1...Sxf4
- 2.Rxf4#
- 1...Sc5
- 2.Qc4#
- 1...c1Q
- 2.Qe5#
- 1...c1B
- 2.Qc4#
- 2.Qe5#
- 1...c1R
- 2.Rxe3#
- 2.Qe5#
- 1...d5
- 2.Rxe3#
- 1...Re1
- 2.Qc4#
- 2.Qe5#
- 1...Rc6
- 2.Rxe3#
- 2.Qe5#
- 1...Rd6
- 2.Rxe3#
- 2.Qe5#
- 1...Re6
- 2.Rxe3#
- 2.Qc4#
- 1...d2
- 2.Rxe3#
- 2.Qc4#
- 1...d6
- 2.Rxe3#
- 2.Qc4#
- 1...dxe2!
- threat
- 1.Bf6?
- threat
- 2.Qc4#
- 2.Qe5#
- 2.Qxf5#
- 1...Rxf6+
- 2.Sxf6#
- 1...dxe2
- 2.Qxf5#
- 1...Sc5
- 2.Qc4#
- 1...c1Q
- 2.Qe5#
- 2.Qxf5#
- 1...c1R
- 2.Qe5#
- 2.Qxf5#
- 1...d5
- 2.Qe8#
- 1...Rh5
- 2.Qc4#
- 2.Qe5#
- 1...Sf4
- 2.Rxf4#
- 2.Qc4#
- 2.Qe5#
- 1...d2
- 2.Qc4#
- 2.Qxf5#
- 1...f4
- 2.Qe5#
- 1...d6
- 2.Qc4#
- 2.Qxf5#
- 1...Sxf2!
- threat
- 1.Bd4?
- Keys
- 1.Bd6!
- threat
- 2.Qc4#
- 2.Qe5#
- 2.Qxf5#
- 2.Qb7#
- 1...Rf6+
- 2.Sxf6#
- 1...Rxd6
- 2.Qxf5#
- 1...Sxf2
- 2.Qb7#
- 1...dxe2
- 2.Qxf5#
- 1...Sc5
- 2.Qc4#
- 1...c1Q
- 2.Qe5#
- 2.Qxf5#
- 1...c1R
- 2.Qe5#
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 2.Qb7#
- 1...Re6
- 2.Qc4#
- 2.Qxf5#
- 2.Qb7#
- 1...Sf4
- 2.Rxf4#
- 2.Qc4#
- 2.Qe5#
- 1...Sb4
- 2.Qc4#
- 2.Qe5#
- 2.Qxf5#
- 1...Sc7
- 2.Qc4#
- 2.Qe5#
- 2.Qxf5#
- 1...Sb8
- 2.Qc4#
- 2.Qe5#
- 2.Qxf5#
- 1...d2
- 2.Qc4#
- 2.Qxf5#
- 1...f4
- 2.Qe5#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(i);N_GUARD::S(H)
- R(i);CHECK,N_GUARD::S(H),XR(i)
- S(e);N_GUARD::R1(B)
- S(e);N_GUARD::R1(B),XS(e)
- Tries
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,N_GUARD::S(H),XR(i)
- S(e);XR(B)::R1(A),XP(d)
- P(c);N_SPINP(d),XR(A)::QAB1(E),XP(g)
- P(j);::R1(A),XP(d)
- P(g);::QAR1(E)
- Refutation
- S(h);
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,N_GUARD::S(H),XR(i)
- S(e);XR(B)::R1(A),XP(d)
- S(e);OGATE,XB(F)::R1(B),XS(e)
- S(h);::QAR2(E)
- P(b);::QAR1(E)
- P(j);::R1(A),XP(d)
- Refutation
- P(c);N_SPINP(d),XR(A)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,XB(F)::S(H),XR(i)
- P(c);N_SPINP(d),XR(A)::QAB1(E),XP(g)
- S(h);::QAR2(E)
- P(j);OGATE,SBLOCK::QAR(E)
- P(g);::QAR1(E)
- Refutation
- S(e);XR(B)
- Try
- Actual
- B(F);
- Threat
- DUALS(4)
- Vars
- R(i);CHECK,N_GUARD::S(H),XR(i)
- R(i);XB(F)::QAB1(E),XP(g)
- S(e);XR(B)::QAB(E)
- P(c);N_SPINP(d),XR(A)::QAB1(E),XP(g)
- S(h);::QAR2(E)
- P(g);::QAR1(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).