MESON Chess Problem Database

Problem Display
PID: 229204 (8/5P2/r4p2/2pQ1K2/4Np2/1rRb1kp1/4R3/1qN5 w - - 0 1)

Beck, Gyula

Nepszava, 1926

8/5P2/r4p2/2pQ1K2/4Np2/1rRb1kp1/4R3/1qN5

#2

7 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Qxd3#
    • 1...Qa1
      • 2.Qxd3#
    • 1...Qb2
      • 2.Qxd3#
  • Tries
    • 1.Rf2+?
      • 1...Ke3
        • 2.Qxc5#
      • 1...gxf2!
    • 1.Rxd3+?
      • 1...Rxd3
        • 2.Sd2#
        • 2.Sg5#
      • 1...Qxd3!
  • Keys
    • 1.Kg6!
      • threat
        • 2.Qh5#
      • 1...f5+
        • 2.Sf6#
      • 1...Kg4
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(a);N_GUARD::QAR2(E),XB(c)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB(E),XP(g)
      • Refutation
        • P(e);XR(B)
    • Try
      • R(C);CHECK,N_SPINS(D),XB(c)
      • Refutation
        • Q(a);P_PINS(D),XR(C)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAB(E)
    • Vars
      • P(i);CHECK,N_PINS(D)::QAB(E)+S(D)
      • K(d);N_SPINB(c),S_FLIGHT::QAB1(E)
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).