MESON Chess Problem Database
Problem Display
PID: 261893 (6n1/7R/1B2k1N1/8/1pn1N1P1/2qR1p1K/1Q6/8 w - - 0 1)
Pirrone, Santi
Probleemblad, 1962
#2
8 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 1...Qd2
- 2.Sc5#
- 2.Sf8#
- 1...Qe5
- 2.Sf8#
- 1...Qf6
- 2.Sc5#
- 1...Qg7
- 2.Sg5#
- 1...Qh8
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 1...Qc1
- 2.Sc5#
- 2.Sf8#
- 1...Qc2
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 1...Qa3
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 1...Qb3
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 1...Qxd3
- 2.Sf4#
- 1...Sxb2
- 2.Rd6#
- 1...Sd2
- 2.Rd6#
- 1...Sa3
- 2.Rd6#
- 1...Se3
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Se5
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 1...Sxb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Sc5#
- 2.Sg5#
- 2.Re7#
- 1...Sh6
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...Qe1
- Tries
- 1.Bd8?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Qxd3
- 2.Sf4#
- 1...Sxb2
- 2.Sg5#
- 2.Rd6#
- 1...Qg7
- 2.Sg5#
- 1...Qd2
- 2.Sc5#
- 2.Sf8#
- 1...Qe5
- 2.Sf8#
- 1...Qf6
- 2.Sc5#
- 1...Qc1
- 2.Sc5#
- 2.Sf8#
- 1...Sd2
- 2.Sg5#
- 2.Rd6#
- 1...Sa3
- 2.Sg5#
- 2.Rd6#
- 1...Se3
- 2.Sg5#
- 2.Rd6#
- 1...Sa5
- 2.Sg5#
- 2.Rd6#
- 1...Se5
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 1...Sb6
- 2.Sg5#
- 2.Rd6#
- 1...Sd6
- 2.Sg5#
- 2.Rxd6#
- 1...Se7
- 2.Rxe7#
- 1...Qd4!
- threat
- 1.Qxc3?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Qxc4#
- 1...Sxb6
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc6#
- 1...Sb2
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc6#
- 2.Qc8#
- 1...Sd2
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc6#
- 2.Qc8#
- 1...Sa3
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc6#
- 2.Qc8#
- 1...Se3
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc6#
- 2.Qc8#
- 1...Sa5
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qc8#
- 1...Se5
- 2.Sf4#
- 2.Sf8#
- 2.Rd6#
- 2.Qxe5#
- 1...Sd6
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rxd6#
- 2.Qe5#
- 1...Sf6
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Re7#
- 2.Qxf6#
- 1...Se7
- 2.Sc5#
- 2.Sg5#
- 2.Sf4#
- 2.Sf8#
- 2.Rxe7#
- 2.Qf6#
- 1...bxc3!
- threat
- 1.Bd8?
- Keys
- 1.Bc7!
- threat
- 2.Sf4#
- 2.Sf8#
- 1...Qxd3
- 2.Sf4#
- 1...Qd4
- 2.Sf4#
- 1...Qg7
- 2.Sg5#
- 1...Qd2
- 2.Sc5#
- 2.Sf8#
- 1...Qe5
- 2.Sf8#
- 1...Qf6
- 2.Sc5#
- 1...Qc1
- 2.Sc5#
- 2.Sf8#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(a);::S(G)
- Q(a);::S(D)
- Q(a);XR(B)::S(G)
- S(d);N_GUARD,XQ(A)::R1(B)
- S(d);N_GUARD::R1(B)
- S(d);N_GUARD,XB(F)::R1(B)
- S(d);N_GUARD::R1(B),XS(d)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(B)::S(G)
- Q(a);::S(D)
- Q(a);::S(G)
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- Q(a);
- Try
- Q(A);XQ(a)
- Threat
- DUALS(5)
- Refutation
- P(c);XQ(A)
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(B)::S(G)
- Q(a);::S(G)
- Q(a);::S(D)
- S(d);N_GUARD::R1(B),XS(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).