MESON Chess Problem Database
Problem Display
PID: 97018 (4RBbb/4n3/2n2k1P/3p2NQ/5P1N/p7/B7/K7 w - - 0 1)
Sutter, Alfred Ernst
Problem (Zagreb), 1960
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be6
- 2.Sh7#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Bg7
- 2.Bxg7#
- 1...Sb4
- 2.Bxe7#
- 1...Sd4
- 2.Bxe7#
- 1...Sa5
- 2.Bxe7#
- 1...Se5
- 2.Bxe7#
- 1...Sa7
- 2.Bxe7#
- 1...Sb8
- 2.Bxe7#
- 1...Sd8
- 2.Bxe7#
- 1...Sf5
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...Sc8
- 2.Qg6#
- 1...d4
- 2.Se4#
- 1...Be6
- Tries
- 1.Kb1?
- 1...Be6
- 2.Sh7#
- 1...Bf7
- 2.Qxf7#
- 1...Bg7
- 2.Bxg7#
- 1...Sb4
- 2.Bxe7#
- 1...Sd4
- 2.Bxe7#
- 1...Sa5
- 2.Bxe7#
- 1...Se5
- 2.Bxe7#
- 1...Sa7
- 2.Bxe7#
- 1...Sb8
- 2.Bxe7#
- 1...Sd8
- 2.Bxe7#
- 1...Sf5
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...Sc8
- 2.Qg6#
- 1...d4
- 2.Se4#
- 1...Bh7+!
- 1...Be6
- 1.Se4+?
- 1...dxe4
- 2.Qg5#
- 1...Ke6+!
- 1...dxe4
- 1.Bb3?
- 1...Bg7
- 2.Bxg7#
- 1...Be6
- 2.Sh7#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sb4
- 2.Bxe7#
- 1...Sd4
- 2.Bxe7#
- 1...Sa5
- 2.Bxe7#
- 1...Se5
- 2.Bxe7#
- 1...Sa7
- 2.Bxe7#
- 1...Sb8
- 2.Bxe7#
- 1...Sd8
- 2.Bxe7#
- 1...Sf5
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...Sc8
- 2.Qg6#
- 1...d4
- 2.Se4#
- 1...a2!
- 1...Bg7
- 1.Bxd5?
- threat
- 2.Se4#
- 1...Bh7
- 2.Sxh7#
- 2.Qf7#
- 1...Bxd5!
- threat
- 1.Rxe7?
- threat
- 2.Qg6#
- 1...Bf7
- 2.Sh7#
- 2.Rxf7#
- 2.Qxf7#
- 1...Bh7
- 2.Sxh7#
- 2.Re6#
- 2.Rf7#
- 2.Qf7#
- 1...Se5
- 2.fxe5#
- 1...Sxe7!
- threat
- 1.Kb1?
- Keys
- 1.Qg4!
- 1...Bg7
- 2.Bxg7#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sh7#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Bxe7#
- 1...Sd4
- 2.Bxe7#
- 1...Sa5
- 2.Bxe7#
- 1...Se5
- 2.Bxe7#
- 1...Sa7
- 2.Bxe7#
- 1...Sb8
- 2.Bxe7#
- 1...Sd8
- 2.Bxe7#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...d4
- 2.Se4#
- 1...Bg7
- 1.Qg4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD,SBLOCK::S(E)
- B(f);N_GUARD::QAR1(F),XB(f)
- B(f);N_GUARD::QAR1(F)
- B(g);N_GUARD::B(I),XB(g)
- S(c);N_GUARD::B(I),XS(e)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(b);N_GUARD::S(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(f);N_GUARD,SBLOCK::S(E)
- B(f);N_GUARD::QAR1(F),XB(f)
- B(g);N_GUARD::B(I),XB(g)
- S(c);N_GUARD::B(I),XS(e)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(b);N_GUARD::S(E)
- Refutation
- B(f);CHECK
- Try
- S(E);CHECK
- Vars
- P(b);XS(E)::QAB1(F)
- Refutation
- K(d);CHECK,P-FLIGHT,P_SPINP(b),P_SPINS(e)
- Try
- B(B);
- Vars
- B(g);N_GUARD::B(I),XB(g)
- B(f);N_GUARD,SBLOCK::S(E)
- B(f);N_GUARD::QAR1(F),XB(f)
- B(f);N_GUARD::QAR1(F)
- S(c);N_GUARD::B(I),XS(e)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(b);N_GUARD::S(E)
- Refutation
- P(a);
- Try
- B(B);XP(b)
- Threat
- S(E)
- Refutation
- B(f);XB(B)
- Try
- R(H);XS(e)
- Threat
- QAR1(F)
- Vars
- S(c);OGATE::P(C),XS(c)
- Refutation
- S(c);XR(H)
- Try
- Actual
- Q(F);
- Vars
- B(g);N_GUARD::B(I),XB(g)
- B(f);N_GUARD::QAR1(F),XB(f)
- B(f);N_GUARD,SBLOCK::S(E)
- B(f);N_GUARD::QAR1(F)
- S(c);N_GUARD::B(I),XS(e)
- S(e);N_GUARD::QAR1(F),XS(e)
- S(e);N_GUARD::QAR1(F)
- P(b);N_GUARD::S(E)
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).