MESON Chess Problem Database
Problem Display
PID: 267548 (Q7/1N3q1N/2P5/7p/4k1P1/6P1/1BP2PP1/4n2K w - - 0 1)
Folch Gil, Ramon
El Diluvio, 1932
#2
11 + 4
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sf6#
- 1...Qb3
- 2.Sf6#
- 1...Qc4
- 2.Sf6#
- 1...Qd5
- 2.Sf6#
- 1...Qe8
- 2.Sf6#
- 1...Qg8
- 2.Sf6#
- 1...Qf6
- 2.Sxf6#
- 1...Qxb7
- 2.Sf6#
- 1...Qc7
- 2.Sf6#
- 1...Qd7
- 2.Sf6#
- 1...Qa2
- Tries
- 1.Qa4+?
- 1...Qc4
- 2.Sf6#
- 2.Qxc4#
- 1...Kd5!
- 1...Qc4
- 1.Qe8+?
- 1...Qe6
- 2.Sf6#
- 2.Qxe6#
- 1...Qxe8
- 2.Sf6#
- 1...Qe7
- 2.Sf6#
- 1...Kd5!
- 1...Qe6
- 1.Qa4+?
- Keys
- 1.Qa2!
- threat
- 2.Sc5#
- 2.Sd6#
- 2.Sg5#
- 1...Qxa2
- 2.Sf6#
- 1...Qxf2
- 2.Qe6#
- 1...Qxb7
- 2.Sg5#
- 2.Sf6#
- 2.Qc4#
- 2.Qe6#
- 1...Qxh7
- 2.Sc5#
- 2.Sd6#
- 2.Qc4#
- 2.Qe6#
- 1...Sxc2
- 2.Sc5#
- 1...Sxg2
- 2.Sg5#
- 1...hxg4
- 2.Sd6#
- 1...Qb3
- 2.Sf6#
- 1...Qc4
- 2.Sf6#
- 2.Qxc4#
- 1...Qd5
- 2.Sf6#
- 1...Qe6
- 2.Sc5#
- 2.Sg5#
- 2.Qxe6#
- 1...Qg6
- 2.Sc5#
- 2.Qc4#
- 1...Qg8
- 2.Sc5#
- 2.Sd6#
- 2.Sf6#
- 1...Qf4
- 2.Sc5#
- 2.Qc4#
- 1...Qf5
- 2.Sd6#
- 2.Qc4#
- 1...Qf6
- 2.Sc5#
- 2.Sxf6#
- 1...Qc7
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Qc4#
- 1...Qd7
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 1...Qe7
- 2.Qc4#
- 1...Qg7
- 2.Sc5#
- 2.Sd6#
- 1...Qf8
- 2.Sg5#
- 2.Qc4#
- 2.Qe6#
- 1...Sd3
- 2.Sd6#
- 2.Sg5#
- 1...Sf3
- 2.Sc5#
- 2.Sd6#
- threat
- 1.Qa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(d);N_GUARD::S(J)
- Q(d);N_GUARD::S(J),XQ(d)
- Q(d);N_GUARD,XS(I)::S(J)
- Tries
- Try
- Q(K);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Q(K);CHECK
- Vars
- Q(d);XQ(K)::S(J)
- Q(d);P_SPINQ(d)::S(J)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(K);
- Threat
- DUALS(3)
- Vars
- Q(d);N_GUARD,XQ(K)::S(J)
- Q(d);N_GUARD,XP(D)::QAR2(K)
- S(a);XP(C)::S(I)
- S(a);XP(E)::S(J)
- P(c);XP(G)::S(I)
- Q(d);N_GUARD::S(J)
- Q(d);N_GUARD::QAR2(K)
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).