MESON Chess Problem Database

Problem Display
PID: 243109 (K7/1R6/p1Rp4/r3p1p1/4bkB1/1n5P/1N2n3/4BN2 w - - 0 1)

Armeni, Alberto

idee & form, 2011

K7/1R6/p1Rp4/r3p1p1/4bkB1/1n5P/1N2n3/4BN2

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sec1
      • 2.Bg3#
    • 1...Sg1
      • 2.Bg3#
    • 1...Sc3
      • 2.Bg3#
    • 1...Sg3
      • 2.Bxg3#
    • 1...Sed4
      • 2.Bg3#
    • 1...Sa1
      • 2.Bd2#
    • 1...Sbc1
      • 2.Bd2#
    • 1...Sd2
      • 2.Bxd2#
    • 1...Sbd4
      • 2.Bd2#
    • 1...Sc5
      • 2.Bd2#
  • Tries
    • 1.Rb4?
      • threat
        • 2.Sd3#
      • 1...Sec1
        • 2.Bg3#
      • 1...Sed4
        • 2.Bg3#
      • 1...Sbc1
        • 2.Bd2#
      • 1...Sbd4
        • 2.Bd2#
      • 1...Sc5
        • 2.Bd2#
      • 1...Rd5!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Sd3#
      • 1...Rd5
        • 2.Rf7#
      • 1...Sec1
        • 2.Bg3#
      • 1...Sed4
        • 2.Bg3#
      • 1...Sbc1
        • 2.Bd2#
      • 1...Sbd4
        • 2.Bd2#
      • 1...Sc5
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::B(A)
    • S(a);N_GUARD::B(A),XS(a)
    • S(b);N_GUARD::B(A)
    • S(b);N_GUARD::B(A),XS(b)
  • Tries
    • Try
      • R(G);P_PINB(c),P_SPINR(F)
      • Threat
        • S(C)
      • Vars
        • S(a);N_GUARD::B(A)
        • S(a);N_GUARD,N_SPINB(c)::B(A)
        • S(b);N_GUARD::B(A)
        • S(b);N_GUARD,N_SPINB(c)::B(A)
      • Refutation
        • R(e);N_PINR(F)
  • Actual
    • R(F);P_PINB(c),P_SPINR(G)
    • Threat
      • S(C)
    • Vars
      • R(e);N_PINR(G)::R(G)
      • S(a);N_GUARD::B(A)
      • S(a);N_GUARD,N_SPINB(c)::B(A)
      • S(b);N_GUARD::B(A)
      • S(b);N_GUARD,N_SPINB(c)::B(A)
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