MESON Chess Problem Database
Problem Display
PID: 71386 (bQ3N2/P7/2k5/3nB3/Pp1P4/nB6/8/2K5 w - - 0 1)
Mari, Alberto
Chemnitzer Tageblatt, 1926
#2
8 + 5
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Bb7
- Tries
- 1.Kb2?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Sc4+!
- 1...Bb7
- 1.Se6?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Kd7!
- 1...Bb7
- 1.Sg6?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Kd7!
- 1...Bb7
- 1.Sd7?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sc3
- 2.Qc7#
- 2.Qc8#
- 1...Se3
- 2.Qc7#
- 2.Qc8#
- 1...Sf4
- 2.Qc7#
- 2.Qc8#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 2.Qc8#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Kxd7!
- 1...Bb7
- 1.Sh7?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Kd7!
- 1...Bb7
- 1.Ba2?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...b3!
- 1...Bb7
- 1.Bc4?
- 1...Sxc4
- 2.Qb5#
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Bb5#
- 2.Qb5#
- 1...Sc2
- 2.Bb5#
- 2.Qb5#
- 1...Sb5
- 2.Bxb5#
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sf4
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...b3!
- 1...Sxc4
- 1.Bh2?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Sf4!
- 1...Bb7
- 1.Bg3?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Sf4!
- 1...Bb7
- 1.Bf4?
- 1...Bb7
- 2.Qd6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 2.axb5#
- 1...Sc3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 1...Sb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Se7
- 2.Qc7#
- 1...Sxf4!
- 1...Bb7
- 1.Qc8+?
- 1...Sc7
- 2.Qxc7#
- 1...Kb6!
- 1...Sc7
- 1.Kb2?
- Keys
- 1.a5!
- 1...Bb7
- 2.Qe8#
- 1...Sb6
- 2.Qxb6#
- 1...Sb1
- 2.Ba4#
- 1...Sc2
- 2.Ba4#
- 1...Sc4
- 2.Ba4#
- 1...Sb5
- 2.Qxa8#
- 1...Sc3
- 2.Qb6#
- 1...Se3
- 2.Qb6#
- 1...Sf4
- 2.Qb6#
- 1...Sf6
- 2.Qb6#
- 1...Sc7
- 2.Qb6#
- 1...Se7
- 2.Qb6#
- 1...Bb7
- 1.a5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- S(a);CHECK
- Try
- S(H);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- S(H);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- S(H);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- K(d);S_FLIGHT,XS(H)
- Try
- S(H);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- B(B);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- S(a);N_GUARD,XB(B)::QAB1(G)
- B(e);SBLOCK::QAR1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- P(b);
- Try
- B(E);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- S(c);
- Try
- B(E);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- S(c);
- Try
- B(E);
- Vars
- B(e);SBLOCK::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- Refutation
- S(c);XB(E)
- Try
- Q(G);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR1(G),XS(c)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- P(C);
- Vars
- B(e);SBLOCK::QAB(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- S(a);N_GUARD::B(B)
- S(a);SBLOCK::QAB(G),XB(e)
- S(c);N_GUARD::QAR1(G)
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).