MESON Chess Problem Database

Problem Display
PID: 248192 (6NN/3pR1K1/4pBp1/1Rn3rk/1q5b/1r4pP/4P3/1B1Q4 w - - 0 1)

de Blasio, Francis JC

11th Place, Match: Netherlands - USA, 1949-1950

6NN/3pR1K1/4pBp1/1Rn3rk/1q5b/1r4pP/4P3/1B1Q4

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bxg6#
    • 1...Re5
      • 2.Bxg6#
    • 1...Sd3
      • 2.e4#
    • 1...Sa4
      • 2.Bxg6#
    • 1...Se4
      • 2.e3#
    • 1...Sa6
      • 2.Bxg6#
    • 1...Sb7
      • 2.Bxg6#
  • Tries
    • 1.e3+?
      • 1...Rg4
        • 2.Bxg6#
      • 1...Qg4!
    • 1.e4+?
      • 1...Rg4
        • 2.Qxg4#
        • 2.hxg4#
      • 1...Rf3!
  • Keys
    • 1.Kf8!
      • threat
        • 2.Rh7#
      • 1...Sd3
        • 2.e4#
      • 1...Sa4
        • 2.Bxg6#
      • 1...Se4
        • 2.e3#
      • 1...Sa6
        • 2.Bxg6#
      • 1...Sb7
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD::B(A),XP(i)
    • S(e);P_SPINR(f),S_CUTR(a)::QAB(B)+P(C)
    • S(e);P_SPINR(f)::B(A),XP(i)
    • S(e);P_SPINR(f),S_CUTQ(c)::QAB(B)+P(C)
    • S(e);P_SPINR(f),SBLOCK::B(A),XP(i)
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • R(f);P_SPINR(f),P_SPINS(e)::B(A),XP(i)
      • Refutation
        • Q(c);P_SPINQ(c)
    • Try
      • P(C);CHECK
      • Refutation
        • R(a);P_SPINR(a)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • R(G)
    • Vars
      • S(e);P_PINR(G),P_SPINR(f),S_CUTR(a)::QAB(B)+P(C)
      • S(e);P_PINR(G),P_SPINR(f)::B(A),XP(i)
      • S(e);P_PINR(G),P_SPINR(f),S_CUTQ(c)::QAB(B)+P(C)
      • S(e);P_PINR(G),P_SPINR(f),SBLOCK::B(A),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).