MESON Chess Problem Database

Problem Display
PID: 174355 (6n1/pK1p4/pp1k1p2/P2N1Pp1/1PP3Pp/2Q3p1/6P1/6B1 w - - 0 1)

Dalla Rosa, Pedro

Faria, Oswaldo

2nd HM., Gazeta Czestochowska, 1980

6n1/pK1p4/pp1k1p2/P2N1Pp1/1PP3Pp/2Q3p1/6P1/6B1

#2

10 + 10

1077 Boletim da UBP 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Sh6
      • 2.Qxf6#
    • 1...Se7
      • 2.Qxf6#
    • 1...h3
      • 2.Qxg3#
    • 1...bxa5
      • 2.Bc5#
    • 1...b5
      • 2.Bc5#
  • Tries
    • 1.Se7?
      • threat
        • 2.Sc8#
      • 1...Sxe7
        • 2.Qxf6#
      • 1...Kxe7!
    • 1.Bf2?
      • 1...bxa5
        • 2.Bc5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qxf6#
      • 1...h3
        • 2.Bxg3#
        • 2.Qxg3#
      • 1...b5
        • 2.Bc5#
      • 1...gxf2!
    • 1.Be3?
      • 1...bxa5
        • 2.Bc5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qxf6#
      • 1...b5
        • 2.Bc5#
      • 1...h3!
    • 1.Qa1?
      • 1...bxa5
        • 2.Bc5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qxf6#
      • 1...b5
        • 2.Bc5#
      • 1...h3!
    • 1.Qb2?
      • 1...bxa5
        • 2.Bc5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qxf6#
      • 1...b5
        • 2.Bc5#
      • 1...h3!
    • 1.Qd4?
      • 1...bxa5
        • 2.c5#
      • 1...Sh6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qxf6#
      • 1...b5
        • 2.c5#
      • 1...h3!
    • 1.c5+?
      • 1...Kxd5
        • 2.Qd4#
      • 1...bxc5!
  • Keys
    • 1.Qe1!
      • 1...bxa5
        • 2.Bc5#
      • 1...h3
        • 2.Qxg3#
      • 1...Sh6
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...b5
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(j);N_GUARD::QAR2(C),XP(g)
    • P(b);N_GUARD::QAB(C),XP(a)
    • P(e);N_GUARD,XP(G)::B(A)
    • P(e);N_GUARD::B(A)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • S(j);N_GUARD,XS(H)::QAR2(C),XP(g)
      • Refutation
        • K(f);S_FLIGHT,XS(H)
    • Try
      • B(A);
      • Vars
        • P(e);N_GUARD,XP(G)::B(A)
        • S(j);N_GUARD::QAR2(C),XP(g)
        • P(e);N_GUARD::B(A)
      • Refutation
        • P(a);XB(A)
    • Try
      • B(A);
      • Vars
        • P(e);N_GUARD,XP(G)::B(A)
        • S(j);N_GUARD::QAR2(C),XP(g)
        • P(e);N_GUARD::B(A)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • P(e);N_GUARD,XP(G)::B(A)
        • S(j);N_GUARD::QAR2(C),XP(g)
        • P(e);N_GUARD::B(A)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • P(e);N_GUARD,XP(G)::B(A)
        • S(j);N_GUARD::QAR2(C),XP(g)
        • P(e);N_GUARD::B(A)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • P(e);N_GUARD,XP(G)::P(E)
        • S(j);N_GUARD::QAR2(C),XP(g)
        • P(e);N_GUARD::P(E)
      • Refutation
        • P(b);
    • Try
      • P(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(H)::QAR1(C)
      • Refutation
        • P(e);XP(E)
  • Actual
    • Q(C);
    • Vars
      • P(e);N_GUARD,XP(G)::B(A)
      • P(b);N_GUARD::QAB(C),XP(a)
      • S(j);N_GUARD::QAB1(C)
      • S(j);N_GUARD::QAB1(C),XS(j)
      • P(e);N_GUARD::B(A)
HTML5 logo

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).