MESON Chess Problem Database
Problem Display
PID: 95812 (1Qn3B1/1qpPk1NK/R3p3/Bp1pN1b1/3P1n2/5R2/8/8 w - - 0 1)
Molnar, Arpad
L'Italia Scacchistica, 1961
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Rxe6#
- 1...Kf8
- 2.Sg6#
- 1...Sb6
- 2.d8Q#
- 1...Sd6
- 2.d8Q#
- 1...Sa7
- 2.d8Q#
- 1...c5
- 2.d8Q#
- 1...c6
- 2.d8Q#
- 1...Kf6
- Tries
- 1.Bxc7?
- threat
- 2.d8Q#
- 1...Kf6
- 2.Rxe6#
- 1...Kf8
- 2.Sg6#
- 1...Se2
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Sg2
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Sd3
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Sh3
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Sh5
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Sg6
- 2.Rf7#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Qxc7!
- threat
- 1.Rxe6+?
- 1...Kd8
- 2.Re8#
- 1...Kf8
- 2.Sg6#
- 2.Re8#
- 1...Sxe6!
- 1...Kd8
- 1.Qxc7?
- threat
- 2.Qd8#
- 2.d8Q#
- 1...Kf6
- 2.Rxe6#
- 1...Kf8
- 2.Sg6#
- 1...Qxa6
- 2.d8Q#
- 1...Qc6
- 2.d8Q#
- 1...Qb6
- 2.d8Q#
- 1...Se2
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sg2
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sd3
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sh3
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sh5
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sg6
- 2.Sxg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qd8#
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sb6
- 2.d8Q#
- 1...Qxc7!
- threat
- 1.Qxc8?
- threat
- 2.d8Q#
- 1...Kf6
- 2.Rxe6#
- 2.Qd8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Se2
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Sg2
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Sd3
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Sh3
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Sh5
- 2.Sg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.Qf8#
- 2.d8Q#
- 2.d8B#
- 1...Sg6
- 2.Sxg6#
- 2.Rf7#
- 2.Rxe6#
- 2.Qe8#
- 2.d8Q#
- 2.d8B#
- 1...Qxc8!
- threat
- 1.dxc8S+?
- 1...Kf6
- 2.Sg4#
- 2.Sd7#
- 2.Rxe6#
- 1...Kd8
- 2.Rd6#
- 1...Kf8
- 2.Sg6#
- 2.Sd7#
- 1...Qxc8!
- 1...Kf6
- 1.d8B+?
- 1...Kf8
- 2.Sg6#
- 2.Sd7#
- 1...Kxd8!
- 1...Kf8
- 1.Bxc7?
- Keys
- 1.Rd6!
- threat
- 2.d8Q#
- 1...Kxd6
- 2.Bb4#
- 1...Kf6
- 2.Rxe6#
- 1...Kd8
- 2.dxc8S#
- 1...Kf8
- 2.Sg6#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- K(h);P_SPINP(e),P_SPINS(a),S_FLIGHT::R1(E),XP(e)
- K(h);P_SPINS(a),S_FLIGHT::S(D)
- S(i);::P=Q
- P(g);::P=Q
- Tries
- Try
- B(C);XP(g)
- Threat
- P=Q
- Vars
- K(h);P_SPINP(e),P_SPINS(a),S_FLIGHT::R1(E),XP(e)
- K(h);P_SPINS(a),S_FLIGHT::S(D)
- Refutation
- Q(f);XB(C)
- Try
- R(E);CHECK,XP(e)
- Vars
- K(h);OGATE,P_SPINP(g),P_SPINS(i),S_FLIGHT::R1(E)
- Refutation
- S(a);XR(E)
- Try
- Q(I);XP(g)
- Threat
- DUALS(2)
- Vars
- K(h);P_SPINP(e),P_SPINS(a),S_FLIGHT::R1(E),XP(e)
- K(h);P_SPINS(a),S_FLIGHT::S(D)
- Q(f);XR(E)::P=Q
- Q(f);::P=Q
- S(i);::P=Q
- Refutation
- Q(f);XQ(I)
- Try
- Q(I);XS(i)
- Threat
- P=Q
- Refutation
- Q(f);XQ(I)
- Try
- P(F);CHECK,XS(i)
- Vars
- K(h);P_SPINP(g),S_FLIGHT::R(E)
- Refutation
- Q(f);XS(F)
- Try
- P(F);CHECK
- Refutation
- K(h);P_SPINP(g),P_SPINS(i),S_FLIGHT,XB(F)
- Try
- Actual
- R(E);
- Threat
- P=Q
- Vars
- K(h);OGATEB,P_SPINP(g),S_FLIGHT,XR(E)::B(C)
- K(h);P_SPINP(e),P_SPINS(a),S_FLIGHT::R1(E),XP(e)
- K(h);P_SPINP(g),P_SPINS(i),S_FLIGHT::PXS(i)=S
- K(h);P_SPINS(a),S_FLIGHT::S(D)
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).