MESON Chess Problem Database

Problem Display
PID: 244619 (2B5/5p2/2pPnp1K/5kp1/1R2N3/1p1p2BP/2q3p1/4R1Q1 w - - 0 1)

Fasano, Alessandro

L'Italia Scacchistica, 2010

2B5/5p2/2pPnp1K/5kp1/1R2N3/1p1p2BP/2q3p1/4R1Q1

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qf2#
      • 2.Qc5#
    • 1...Qd1
      • 2.Qc5#
    • 1...Qa2
      • 2.Qc5#
    • 1...Qd2
      • 2.Qc5#
    • 1...Qe2
      • 2.Qc5#
    • 1...Qf2
      • 2.Qxf2#
    • 1...Qc3
      • 2.Qf2#
    • 1...Qc4
      • 2.Qf2#
    • 1...Qc5
      • 2.Qxc5#
    • 1...d2
      • 2.Qf2#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Qf2#
      • 1...Qxd2
        • 2.Qc5#
      • 1...Qd1
        • 2.Qc5#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Qc4!
    • 1.Sc3?
      • threat
        • 2.Qc5#
      • 1...Qxc3
        • 2.Qf2#
      • 1...Qf2
        • 2.Qxf2#
      • 1...c5
        • 2.Qxc5#
      • 1...Qe2!
    • 1.Re2?
      • threat
        • 2.Qf2#
      • 1...Qxe2
        • 2.Qc5#
      • 1...Qd2
        • 2.Qc5#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Qc1!
    • 1.Rc4?
      • threat
        • 2.Qc5#
      • 1...Qxc4
        • 2.Qf2#
      • 1...Qf2
        • 2.Qxf2#
      • 1...Qc3
        • 2.Qf2#
      • 1...c5
        • 2.Qxc5#
      • 1...Qb2!
    • 1.Qd4?
      • threat
        • 2.Qxf6#
      • 1...Qc3
        • 2.Qf2#
      • 1...Qb2!
  • Keys
    • 1.Bh2!
      • threat
        • 2.Sg3#
      • 1...Qe2
        • 2.Qc5#
      • 1...Qf2
        • 2.Qxf2#
      • 1...Qc4
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD::QAR(B)
    • Q(a);N_GUARD::QAR(B),XQ(a)
    • P(d);S_CUTQ(a)::QAR(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR(B)
      • Vars
        • Q(a);N_GUARD,XS(F)::QAR(B)
        • Q(a);N_GUARD::QAR(B)
        • Q(a);N_GUARD::QAR(B),XQ(a)
      • Refutation
        • Q(a);
    • Try
      • S(F);
      • Threat
        • QAR(B)
      • Vars
        • Q(a);N_GUARD,XS(F)::QAR(B)
        • Q(a);N_GUARD::QAR(B),XQ(a)
        • P(g);::QAR(B),XP(g)
      • Refutation
        • Q(a);
    • Try
      • R(A);
      • Threat
        • QAR(B)
      • Vars
        • Q(a);N_GUARD,XR(A)::QAR(B)
        • Q(a);N_GUARD::QAR(B)
        • Q(a);N_GUARD::QAR(B),XQ(a)
      • Refutation
        • Q(a);
    • Try
      • R(E);
      • Threat
        • QAR(B)
      • Vars
        • Q(a);N_GUARD,XR(E)::QAR(B)
        • Q(a);N_GUARD::QAR(B),XQ(a)
        • Q(a);N_GUARD::QAR(B)
        • P(g);::QAR(B),XP(g)
      • Refutation
        • Q(a);
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(i)
      • Vars
        • Q(a);N_GUARD::QAR(B)
      • Refutation
        • Q(a);
  • Actual
    • B(C);
    • Threat
      • S(F)
    • Vars
      • Q(a);N_GUARD::QAR(B)
      • Q(a);N_GUARD::QAR(B),XQ(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).