MESON Chess Problem Database

Problem Display
PID: 245646 (1N6/p1B2p2/B3pQ1K/2krn2R/5Np1/P1pPpp2/8/3n4 w - - 0 1)

Musante, Horacio Luis

Problemas, 1953

1N6/p1B2p2/B3pQ1K/2krn2R/5Np1/P1pPpp2/8/3n4

#2

9 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd3
      • 2.Sxd3#
    • 1...Sc4
      • 2.d4#
    • 1...Sc6
      • 2.Sd7#
    • 1...Sg6
      • 2.d4#
    • 1...Sd7
      • 2.d4#
  • Tries
    • 1.Qe7+?
      • 1...Rd6
        • 2.Qxd6#
      • 1...Kd4!
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Rxd3
        • 2.Qc4#
      • 1...fxe6
        • 2.Sxe6#
      • 1...Rd4
        • 2.Qc6#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Rd7
        • 2.Qc4#
      • 1...Rd8
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • S(h);P_SPINR(g),XP(B)::S(C),XS(h)
    • S(h);P_SPINR(g)::P(B)
    • S(h);N_GUARD,P_SPINR(g),SBLOCK::S(I)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • R(g);N_GUARD,P_SPINR(g),P_SPINS(h)::QAB1(F),XR(g)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • Q(F);XP(i)
    • Threat
      • QAR1(F),XR(g)
    • Vars
      • K(f);S_FLIGHT::QAR1(F),XR(g)
      • R(g);OGATE,P_SPINS(h),XP(B)::QAR1(F)
      • P(k);XQ(F)::S(C),XP(k)
      • R(g);P_SPINS(h),SBLOCK::QAR1(F)
      • R(g);N_GUARD,P_PINQ(F),P_SPINS(h)::QAB1(F),XR(g)
      • R(g);OGATE,P_SPINS(h)::QAR1(F)
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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).