MESON Chess Problem Database

Problem Display
PID: 193881 (8/2RPppQ1/2p3R1/2p5/2krp3/2B5/2N3P1/2NBbKn1 w - - 0 1)

Bettmann, Henry Wald

Bettmann, Jacob

Pittsburgh Gazette-Times, 1916

8/2RPppQ1/2p3R1/2p5/2krp3/2B5/2N3P1/2NBbKn1

#2

10 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Se3#
    • 1...Rd5
      • 2.Sa3#
  • Tries
    • 1.Sa3+?
      • 1...Kd5
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxc3!
  • Keys
    • 1.Rgxc6!
      • threat
        • 2.Rxc5#
      • 1...Kxc3
        • 2.Qxd4#
      • 1...Kb5
        • 2.Sa3#
      • 1...Kd5
        • 2.Se3#
      • 1...Rd5
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(D)
    • R(d);SBLOCK::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);S_FLIGHT::P=Q
      • Refutation
        • K(c);P-FLIGHT,P_SPINR(d),XB(F)
  • Actual
    • R(G);P_PINP(f),XP(g)
    • Threat
      • R1(G),XP(f)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(d),XB(F)::QAB1(J),XR(d)
      • K(c);N_SPINP(f),S_FLIGHT::S(D)
      • R(d);SBLOCK::S(D)
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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).