MESON Chess Problem Database

Problem Display
PID: 222679 (5B2/b1n5/R1p3P1/1p1k3p/2Np4/2P5/1P3NP1/1B1R1QK1 w - - 0 1)

Bettmann, Edgar

Bettmann, Henry Wald

Bettmann, Jacob

Cincinnati Commercial, 1883

5B2/b1n5/R1p3P1/1p1k3p/2Np4/2P5/1P3NP1/1B1R1QK1

#2

12 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Be4#
    • 1...c5
      • 2.Be4#
      • 2.Rd6#
  • Tries
    • 1.Rxd4+?
      • 1...Ke6
        • 2.Rd6#
        • 2.Rxc6#
      • 1...Bxd4!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sf4#
      • 1...dxc3+
        • 2.Sc5#
      • 1...Kxc4
        • 2.Ba2#
      • 1...Ke4
        • 2.Qf3#
      • 1...Ke6
        • 2.Qf7#
      • 1...bxc4
        • 2.Qf5#
      • 1...Se6
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK::B(A)
  • Tries
    • Try
      • R(B);CHECK,XP(a)
      • Refutation
        • B(f);P_PINS(F),XR(B)
  • Actual
    • S(F);N_PINP(a)
    • Threat
      • S(F)
    • Vars
      • P(a);CHECK,XP(H)::R(B)+S(F)
      • K(c);OGATEB,S_FLIGHT,XS(I)::B(A)
      • K(c);S_FLIGHT::QAB1(C)
      • K(c);P_SPINP(e),S_FLIGHT::QAB1(C)
      • P(b);SBLOCK,XS(I)::QAR2(C)
      • S(g);SBLOCK::S(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).