MESON Chess Problem Database
Problem Display
PID: 227526 (8/5p2/p1BPk3/Bp5P/1KnQ1p2/5N2/8/8 w - - 0 1)
Cristoffanini, Guido
Revista de Sah, 1926
#2
7 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Bd7#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sxa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...f6
- 2.Qd5#
- 1...Kf5
- Tries
- 1.Kc3?
- 1...Kf5
- 2.Bd7#
- 1...Sxa5
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f6
- 2.Qd5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...b4+!
- 1...Kf5
- 1.Kc5?
- 1...Kf5
- 2.Bd7#
- 1...Sxa5
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f6
- 2.Qd5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...b4!
- 1...Kf5
- 1.Bb6?
- 1...Kf5
- 2.Bd7#
- 1...Sxb6
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f6
- 2.Qd5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...a5+!
- 1...Kf5
- 1.Bc7?
- 1...Kf5
- 2.Bd7#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f6
- 2.Qd5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...a5+!
- 1...Kf5
- 1.Bd8?
- threat
- 2.Qf6#
- 2.Qd5#
- 1...Kf5
- 2.Bd7#
- 1...f6
- 2.Qxf6#
- 2.Qd5#
- 1...Se3
- 2.Qe5#
- 2.Qf6#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 2.Qf6#
- 1...a5+!
- threat
- 1.Be8?
- 1...Kf5
- 2.Bd7#
- 1...Sxa5
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...f6!
- 1...Kf5
- 1.h6?
- 1...Sxa5
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f6
- 2.Qd5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Sg5#
- 1...Kf5!
- 1...Sxa5
- 1.Kc3?
- Keys
- 1.Qg7!
- 1...Kf5
- 2.Sd4#
- 1...Kxd6
- 2.Qf6#
- 1...Sxa5
- 2.Qe5#
- 1...Sxd6
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sb6
- 2.Qe5#
- 1...f5
- 2.Qg6#
- 2.Qe7#
- 1...f6
- 2.Qd7#
- 1...Kf5
- 1.Qg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- S(a);N_GUARD,XP(G)::QAR1(C)
- P(f);SBLOCK::S(A)
- P(f);SBLOCK::QAB1(C)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);SBLOCK::QAB1(C)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- P(c);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);SBLOCK::QAB1(C)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);SBLOCK::QAB1(C)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- P(d);CHECK
- Try
- B(D);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);SBLOCK::QAB1(C)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- P(d);CHECK
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD::QAR1(C),XS(a)
- Refutation
- P(d);CHECK
- Try
- B(F);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- P(f);
- Try
- P(E);
- Vars
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);SBLOCK::QAB1(C)
- S(a);N_GUARD::QAR1(C)
- P(f);SBLOCK::S(A)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(C);
- Vars
- K(e);S_FLIGHT::S(A)
- K(e);P-FLIGHT,XP(G)::QAR2(C)
- S(a);N_GUARD,XB(D)::QAR1(C)
- S(a);N_GUARD,XP(G)::QAR1(C)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- P(f);OGATE,SBLOCK::QAB1(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).