MESON Chess Problem Database

Problem Display
PID: 223197 (8/2rq2p1/pN2p2b/2p1kp2/2B1PpPQ/2Np1P2/8/B6K w - - 0 1)

Munoz, JB

Nashville Daily American, 1886

8/2rq2p1/pN2p2b/2p1kp2/2B1PpPQ/2Np1P2/8/B6K

#2

9 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sd1#
      • 2.Scd5#
    • 1...Qb5
      • 2.Sxb5#
    • 1...Qc6
      • 2.Sb5#
    • 1...Qc8
      • 2.Sb5#
    • 1...Qe8
      • 2.Sb5#
    • 1...Qd6
      • 2.Scd5#
    • 1...Qe7
      • 2.Sb5#
    • 1...Qf7
      • 2.Sb5#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Scd5#
      • 1...Kd4
        • 2.Sd1#
        • 2.Scd5#
      • 1...Qxe7
        • 2.Sb5#
      • 1...Qd4
        • 2.Qxe6#
      • 1...Qa4
        • 2.Sa2#
        • 2.Scxa4#
      • 1...Qb5
        • 2.Sxb5#
      • 1...Qd5
        • 2.Scxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(j);N_GUARD::B(A)+S(C),XQ(j)
    • Q(j);N_GUARD::B(A)+S(C)
    • Q(j);SBLOCK::B(A)+S(C)
  • Actual
    • Q(H);P_PINP(g)
    • Threat
      • B(A)+S(C)
    • Vars
      • Q(j);N_GUARD,N_SPINP(g),XQ(H)::B(A)+S(C)
      • Q(j);N_GUARD,SBLOCK::QAR1(H),XP(g)
      • Q(j);N_GUARD::B(A)+S(C),XQ(j)
      • Q(j);::B(A)+S(C),XQ(j)
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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).