MESON Chess Problem Database

Problem Display
PID: 255882 (4Q3/n1p5/1p3P2/3R1Pb1/N1kN4/Kp3b2/1P6/1B6 w - - 0 1)

Faletto, Pietro

Wiener Schachzeitung, 1937

4Q3/n1p5/1p3P2/3R1Pb1/N1kN4/Kp3b2/1P6/1B6

#2

9 + 7

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5+
      • 2.Qxb5#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sc8
      • 2.Qb5#
      • 2.Qc6#
    • 1...c5
      • 2.Sxb6#
    • 1...c6
      • 2.Sxb6#
  • Tries
    • 1.Rc5+?
      • 1...Kxd4
        • 2.Qe5#
      • 1...bxc5!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Rd4#
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Kxd5
        • 2.Qe6#
      • 1...Bxd5
        • 2.Qe2#
      • 1...Bxf6
        • 2.Se3#
      • 1...bxc2
        • 2.Ba2#
      • 1...Be3
        • 2.Sxe3#
      • 1...Sc6
        • 2.Qxc6#
      • 1...c5
        • 2.Sxb6#
      • 1...c6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);CHECK,N_GUARD::QAB1(I),XS(f)
    • S(f);N_GUARD::QAR2(I),XS(f)
    • P(g);N_GUARD::S(D),XP(e)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(c);P-FLIGHT,S_CUTP(e),XS(E)::QAB1(I)
      • Refutation
        • P(e);XR(F)
  • Actual
    • S(E);
    • Threat
      • R1(F)
    • Vars
      • S(f);CHECK,N_GUARD::QAB1(I),XS(f)
      • K(c);OGATEB,S_FLIGHT,XR(F)::QAB1(I)
      • B(b);N_GUARD,SBLOCK,XR(F)::QAB(I)
      • B(d);N_GUARD,XP(H)::S(E)
      • P(a);OGATEB,XS(E)::B(A)
      • B(d);N_GUARD::S(E),XB(d)
      • S(f);N_GUARD::QAR2(I),XS(f)
      • P(g);N_GUARD::S(D),XP(e)
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