MESON Chess Problem Database

Problem Display
PID: 222581 (4B3/2K5/8/p1kp1n2/P2r2R1/1P1pn3/1Q1P4/3N2B1 w - - 0 1)

Mussini, Luigi

New Orleans Times-Democrat, 1884

4B3/2K5/8/p1kp1n2/P2r2R1/1P1pn3/1Q1P4/3N2B1

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd1
      • 2.Qa3#
    • 1...Sf1
      • 2.Qa3#
      • 2.Qc3#
    • 1...Sc2
      • 2.Qc3#
    • 1...Sg2
      • 2.Qa3#
      • 2.Qc3#
    • 1...Sxg4
      • 2.Qa3#
      • 2.Qc3#
    • 1...Sg3
      • 2.Qxd4#
    • 1...Sh4
      • 2.Qxd4#
    • 1...Sd6
      • 2.Qxd4#
    • 1...Sh6
      • 2.Qxd4#
    • 1...Se7
      • 2.Qxd4#
    • 1...Sg7
      • 2.Qxd4#
  • Tries
    • 1.Bxe3?
      • threat
        • 2.Qa3#
        • 2.Qc3#
      • 1...Sxe3
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qa3#
        • 2.Qxd4#
      • 1...Kb4!
    • 1.Qc3+?
      • 1...Rc4
        • 2.Qxa5#
      • 1...Sc4!
  • Keys
    • 1.Sf2!
      • 1...Kb4
        • 2.Sxd3#
      • 1...Rxa4
        • 2.Sxd3#
      • 1...Rxg4
        • 2.Sxd3#
      • 1...Sxg4
        • 2.Sxd3#
      • 1...Rb4
        • 2.Sxd3#
      • 1...Rc4
        • 2.Sxd3#
      • 1...Re4
        • 2.Sxd3#
      • 1...Rf4
        • 2.Sxd3#
      • 1...Sd1
        • 2.Sxd3#
      • 1...Sf1
        • 2.Sxd3#
      • 1...Sc2
        • 2.Sxd3#
      • 1...Sg2
        • 2.Sxd3#
      • 1...Sc4
        • 2.Sxd3#
      • 1...Sg3
        • 2.Qxd4#
      • 1...Sh4
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qxd4#
      • 1...Sh6
        • 2.Qxd4#
      • 1...Se7
        • 2.Qxd4#
      • 1...Sg7
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(b);P_SPINR(c),XS(A)::QAB(C)
    • S(b);N_GUARD,P_SPINR(c)::QAR2(C)
    • S(g);N_GUARD::QAB1(C),XR(c)
  • Tries
    • Try
      • B(B);P_PINR(c),XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);N_GUARD,N_SPINR(c),XB(B)::QAB1(C),XR(c)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • R(c);P_SPINR(c),P_SPINS(b)::QAR2(C),XP(d)
      • Refutation
        • S(b);P_SPINR(c),P_SPINS(b)
  • Actual
    • S(A);
    • Vars
      • K(e);P_SPINR(c),S_FLIGHT::S(A),XP(a)
      • R(c);N_GUARD,XP(F)::S(A),XP(a)
      • R(c);N_GUARD,XR(G)::S(A),XP(a)
      • S(b);S_CUTR(c),XR(G)::S(A),XP(a)
      • R(c);N_GUARD::S(A),XP(a)
      • S(b);S_CUTR(c)::S(A),XP(a)
      • S(g);N_GUARD::QAB1(C),XR(c)
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).