MESON Chess Problem Database

Problem Display
PID: 181846 (5Q2/Bp5K/Bq2n3/3pk1NR/5p2/2p1pP2/8/8 w - - 0 1)

Baptista, Julio

Diario Illustrado, 1905

5Q2/Bp5K/Bq2n3/3pk1NR/5p2/2p1pP2/8/8

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sxe6#
  • Tries
    • 1.Sh3+?
      • 1...Kd4
        • 2.Qb4#
      • 1...Sg5+!
    • 1.Se4+?
      • 1...Kd4
        • 2.Qb4#
        • 2.Qf6#
      • 1...Sg5+!
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qb4#
      • 1...Kf6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sxe6#
      • 1...Qb1+
        • 2.Se4#
      • 1...Kd4
        • 2.Sxe6#
      • 1...Kf5
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINQ(f),S_FLIGHT::S(B),XS(g)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(e);P_SPINQ(f),S_FLIGHT::QAR2(G)
      • Refutation
        • S(g);CHECK,P_SPINS(g)
    • Try
      • S(B);CHECK
      • Refutation
        • S(g);CHECK,P_SPINS(g)
    • Try
      • S(B);CHECK
      • Vars
        • K(e);P_SPINQ(f),S_FLIGHT::QAR2(G)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(G);P_PINS(g)
    • Threat
      • R(C)+S(B),XS(g)
    • Vars
      • Q(f);CHECK::R(C)+S(B)
      • K(e);N_SPINS(g),P_SPINQ(f),S_FLIGHT::S(B),XS(g)
      • K(e);N_SPINS(g),P-FLIGHT::R(C)+S(B),XS(g)
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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).