MESON Chess Problem Database
Problem Display
PID: 263365 (7K/8/4N3/8/2N1n3/1QPk3B/4n3/8 w - - 0 1)
Simoni, Francesco
L'Italia Scacchistica, 1981
#2
6 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...S2xc3
- 2.Bf1#
- 1...S2g3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...S4xc3
- 2.Bf5#
- 1...S4g3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sc1
- Tries
- 1.Kg8?
- 1...S2xc3
- 2.Bf1#
- 1...S4xc3
- 2.Bf5#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...S2g3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...S4g3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6+!
- 1...S2xc3
- 1.Bf1?
- threat
- 2.Sf4#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sg3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sxc3!
- threat
- 1.Bg2?
- 1...S2xc3
- 2.Bf1#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...S2g3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...S4g3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...S4xc3!
- 1...S2xc3
- 1.Bg4?
- 1...S4xc3
- 2.Bf5#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...S4g3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...S2g3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...S2xc3!
- 1...S4xc3
- 1.Bf5?
- threat
- 2.Sc5#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sxc3!
- threat
- 1.Kg8?
- Keys
- 1.Kg7!
- 1...S2xc3
- 2.Bf1#
- 1...S4xc3
- 2.Bf5#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...S2g3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sd2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...S4g3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...S2xc3
- 1.Kg7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(E)
- S(a);OGATEB,P_SPINS(a),XP(B)::B(C)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);OGATEB,P_SPINS(c),XP(B)::B(C)
- S(c);N_GUARD::S(E),XS(c)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(a);OGATEB,P_SPINS(a),XP(B)::B(C)
- S(c);OGATEB,P_SPINS(c),XP(B)::B(C)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- S(c);CHECK
- Try
- B(C);P_PINS(a)
- Threat
- S(E)
- Vars
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- S(c);XP(B)
- Try
- B(C);
- Vars
- S(a);OGATEB,P_SPINS(a),XP(B)::B(C)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- S(c);P_SPINS(c),XP(B)
- Try
- B(C);
- Vars
- S(c);OGATEB,P_SPINS(c),XP(B)::B(C)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- S(a);P_SPINS(a),XP(B)
- Try
- B(C);P_PINS(c)
- Threat
- S(E)
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a),XP(B)
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- S(a);OGATEB,P_SPINS(a),XP(B)::B(C)
- S(c);OGATEB,P_SPINS(c),XP(B)::B(C)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(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).