MESON Chess Problem Database

Problem Display
PID: 207475 (5Q2/r3r3/1pB3p1/p3k1Pn/3Np3/B3P1b1/1pP5/2N3RK w - - 0 1)

Galambos, Laszlo

Vasarnapi Ujsag, 1871

5Q2/r3r3/1pB3p1/p3k1Pn/3Np3/B3P1b1/1pP5/2N3RK

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Qxe7#
    • 1...Ra8
      • 2.Qxe7#
    • 1...Rb7
      • 2.Bd6#
      • 2.Qd6#
    • 1...Rc7
      • 2.Bd6#
      • 2.Qd6#
    • 1...Rf7
      • 2.Bd6#
      • 2.Qd6#
    • 1...Rg7
      • 2.Bd6#
      • 2.Qd6#
    • 1...Rh7
      • 2.Bd6#
      • 2.Qd6#
    • 1...Re8
      • 2.Bd6#
      • 2.Qd6#
    • 1...Sf4
      • 2.Qf6#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sg7
      • 2.Qf6#
  • Tries
    • 1.Bxe7?
      • threat
        • 2.Bd6#
      • 1...Rxe7
        • 2.Qxe7#
      • 1...Rd7!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qxe4#
      • 1...exf3
        • 2.Sd3#
      • 1...Sf6
        • 2.Qxg3#
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(i);N_GUARD::QAR2(J),XR(j)
    • S(f);N_GUARD::QAB1(J)
    • S(f);N_GUARD::QAB1(J),XS(f)
  • Tries
    • Try
      • B(E);XR(j)
      • Threat
        • B(E)
      • Vars
        • R(i);OGATE,XB(E)::QAR2(J),XR(i)
      • Refutation
        • R(i);
  • Actual
    • Q(J);
    • Threat
      • QAR1(J),XP(c)
    • Vars
      • P(c);N_GUARD,XQ(J)::S(A)
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).