MESON Chess Problem Database
Problem Display
PID: 214363 (8/2p5/2B5/1p1Q4/1K3PN1/4Pn2/4N1P1/7k w - - 0 1)
Chocolous, Jiri
Deutsche Schachzeitung, 1880
#2
8 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh5#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...Kxg2
- Tries
- 1.Ka3?
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh5#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...b4+!
- 1...Kxg2
- 1.Kc3?
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh5#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...b4+!
- 1...Kxg2
- 1.Ka5?
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh5#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...b4!
- 1...Kxg2
- 1.Kxb5?
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...Sd4+!
- 1...Kxg2
- 1.Kc5?
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh5#
- 1...Sh4
- 2.Qd1#
- 1...Se5
- 2.Qd1#
- 1...Sg5
- 2.Qd1#
- 1...b4!
- 1...Kxg2
- 1.Qd1+?
- 1...Se1
- 2.Qxe1#
- 2.g3#
- 1...Sg1
- 2.Sg3#
- 2.Qxg1#
- 2.g3#
- 1...Kxg2!
- 1...Se1
- 1.Qd3?
- 1...Sh4
- 2.Qb1#
- 2.Qd1#
- 1...Se1
- 2.Qh7#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh7#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qb1#
- 2.Qh7#
- 2.Qd1#
- 1...Se5
- 2.Qb1#
- 2.Qh7#
- 2.Qd1#
- 1...Sg5
- 2.Qb1#
- 2.Qd1#
- 1...Kxg2!
- 1...Sh4
- 1.Qc5?
- 1...Sh4
- 2.Qc1#
- 1...Se1
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qc1#
- 2.Qh5#
- 1...Se5
- 2.Qc1#
- 1...Sg5
- 2.Qc1#
- 1...Kxg2!
- 1...Sh4
- 1.Qf5?
- 1...Sh4
- 2.Qb1#
- 1...Se1
- 2.Qh7#
- 2.Qh5#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh7#
- 2.Qh5#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qb1#
- 2.Qh7#
- 2.Qh5#
- 1...Se5
- 2.Qb1#
- 2.Qh7#
- 2.Qh5#
- 1...Sg5
- 2.Qb1#
- 1...Kxg2!
- 1...Sh4
- 1.Qh5+?
- 1...Sh2
- 2.Sf2#
- 2.Qxh2#
- 2.g3#
- 1...Sh4
- 2.Qxh4#
- 2.g3#
- 1...Kxg2!
- 1...Sh2
- 1.Qd7?
- 1...Sh4
- 2.Qd1#
- 1...Se1
- 2.Qh7#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh7#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh7#
- 1...Se5
- 2.Qd1#
- 2.Qh7#
- 1...Sg5
- 2.Qd1#
- 1...Kxg2!
- 1...Sh4
- 1.Qd8?
- 1...Sh4
- 2.Qxh4#
- 2.Qd1#
- 1...Se1
- 2.Qh4#
- 2.Qh8#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh4#
- 2.Qh8#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qh4#
- 2.Qh8#
- 1...Se5
- 2.Qh4#
- 2.Qd1#
- 2.Qh8#
- 1...Sg5
- 2.Qd1#
- 1...Kxg2!
- 1...Sh4
- 1.Ka3?
- Keys
- 1.Qe4!
- 1...Kxg2
- 2.Qxf3#
- 1...Se1
- 2.Qh7#
- 1...Sg1
- 2.Sg3#
- 1...Sd2
- 2.Qh7#
- 1...Sh2
- 2.Sf2#
- 1...Sd4
- 2.Qb1#
- 2.Qh7#
- 1...Sh4
- 2.Qb1#
- 1...Se5
- 2.Qb1#
- 2.Qh7#
- 1...Sg5
- 2.Qb1#
- 1...Kxg2
- 1.Qe4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- P(c);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- P(c);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- P(c);
- Try
- K(D);P-FLIGHT,XP(c)
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- S(b);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- P(c);
- Try
- Q(G);CHECK
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);CHECK
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);
- Vars
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Q(G);
- Vars
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
- S(b);N_GUARD::QAR(G)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT,XP(B)
- Try
- Actual
- Q(G);
- Vars
- K(a);OGATEB,P_SPINS(b),S_FLIGHT,XP(B)::QAB1(G),XS(b)
- S(b);N_GUARD::QAR(G)
- S(b);SBLOCK::S(A)
- S(b);SBLOCK::S(F)
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).