MESON Chess Problem Database

Problem Display
PID: 249168 (8/8/QbB3p1/2NNR3/8/Rb2nk1K/4rp2/2q2n2 w - - 0 1)

de Blasio, Francis JC

Hochberger MT, 1946

8/8/QbB3p1/2NNR3/8/Rb2nk1K/4rp2/2q2n2

#2

7 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qxe2#
    • 1...Sc2
      • 2.Qxe2#
    • 1...Sg2
      • 2.Qxe2#
    • 1...Sg4
      • 2.Qxe2#
    • 1...Sf5
      • 2.Qxe2#
  • Tries
    • 1.Sxe3+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Bd5!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sg5#
      • 1...Bxd5
        • 2.Bxd5#
      • 1...Sxd5
        • 2.Qxe2#
      • 1...Bd8
        • 2.Sd4#
      • 1...Sd1
        • 2.Qxe2#
      • 1...Sc2
        • 2.Qxe2#
      • 1...Sg2
        • 2.Qxe2#
      • 1...Sc4
        • 2.Se3#
      • 1...Sg4
        • 2.Qxe2#
      • 1...Sf5
        • 2.Qxe2#
      • 1...g5
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);P_SPINB(e)::QAB1(F),XR(c)
  • Tries
    • Try
      • S(D);CHECK,XS(f)
      • Vars
        • K(g);P-FLIGHT::S(C)
      • Refutation
        • B(e);P_SPINB(e)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(e);OGATE,P_SPINB(e),P_SPINS(f),XS(D)::B(G),XB(e)
      • S(f);P_SPINB(e),P_SPINS(f),XS(D)::QAB1(F),XR(c)
      • B(h);N_GUARD::S(C)
      • S(f);P_SPINB(e)::QAB1(F),XR(c)
      • S(f);P_SPINB(e),S_CUTQ(a)::B(G)+S(D)
      • P(i);::S(C),XP(i)
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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).