MESON Chess Problem Database

Problem Display
PID: 232869 (1B4b1/6K1/1PBn1R2/N2Nk3/r1p3R1/b1Pr3n/2qp4/8 w - - 0 1)

Morra, Juan Carlos

Il Due Mosse, 1954

1B4b1/6K1/1PBn1R2/N2Nk3/r1p3R1/b1Pr3n/2qp4/8

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.cxd4#
    • 1...Rb4
      • 2.Bxd6#
    • 1...Bc1
      • 2.Bxd6#
    • 1...Bb2
      • 2.Bxd6#
    • 1...Bb4
      • 2.Sxc4#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Re4#
      • 1...Rxc3
        • 2.Bxd6#
      • 1...Re3
        • 2.Bxd6#
      • 1...Rf3
        • 2.Bxd6#
      • 1...Rg3
        • 2.Bxd6#
      • 1...Rd4
        • 2.cxd4#
      • 1...Rd5
        • 2.Sxc4#
      • 1...Bd5
        • 2.Bxd6#
      • 1...Bh7
        • 2.Sxc4#
      • 1...Sf2
        • 2.Rg5#
      • 1...Sf4
        • 2.Rg5#
      • 1...Sg5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 4
  • Sets
    • R(d);OGATE::P(A),XR(d)
    • R(f);S_CUTB(c)::B(I),XS(i)
    • B(c);N_GUARD::B(I),XS(i)
    • B(c);S_CUTR(f)::S(C),XP(g)
  • Actual
    • S(D);
    • Threat
      • R1(B)
    • Vars
      • R(d);N_GUARD,XP(A)::B(I),XS(i)
      • R(d);N_GUARD::B(I),XS(i)
      • R(d);N_GUARD,P_PINR(B)::B(I),XS(i)
      • R(d);OGATE::P(A),XR(d)
      • R(d);S_CUTB(j)::S(C),XP(g)
      • B(j);S_CUTR(d)::B(I),XS(i)
      • B(j);N_GUARD::S(C),XP(g)
      • S(e);N_GUARD::R(B)
      • S(e);N_GUARD::R(B),XS(e)
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