MESON Chess Problem Database

Problem Display
PID: 196244 (8/4P3/2N1p2B/8/1K2k3/Q6P/8/8 w - - 0 1)

Gasparovic, Jan

Sachova skladba, 1986

8/4P3/2N1p2B/8/1K2k3/Q6P/8/8

#2

6 + 2

5454 Near Snap 2019
3713 Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.e8S?
      • 1...Kd5
        • 2.Qf3#
      • 1...Kf5
        • 2.Qd3#
      • 1...e5!
    • 1.e8B?
      • 1...Kd5
        • 2.Qd3#
      • 1...Kf5
        • 2.Qf3#
      • 1...e5!
  • Keys
    • 1.e8Q!
      • threat
        • 2.Qxe6#
      • 1...Kd5
        • 2.Qd3#
      • 1...Kf5
        • 2.Qf3#
      • 1...e5
        • 2.Qxe5#

Anticipated by 225504(1958), 172065(1970)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • P(b);
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
  • Actual
    • P(F);P_PINP(b)
    • Threat
      • QAR2(F),XP(b)
    • Vars
      • K(a);N_SPINP(b),S_FLIGHT::QAR2(A)
      • P(b);OGATE::QAR1(F),XP(b)
HTML5 logo

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).