MESON Chess Problem Database

Problem Display
PID: 164917 (4NQ2/1BnbpP2/r7/2Pnp3/R1P1k3/2P1N1P1/3K4/5R2 w - - 0 1)

Sardella, Giuseppe

4th HM., Best Problems, 2016

4NQ2/1BnbpP2/r7/2Pnp3/R1P1k3/2P1N1P1/3K4/5R2

#2

12 + 7

4901 Best Problems 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.cxd5#
    • 1...Sb5
      • 2.Bxd5#
    • 1...Se6
      • 2.Bxd5#
    • 1...Sa8
      • 2.Bxd5#
    • 1...Sxe8
      • 2.Bxd5#
    • 1...e6
      • 2.Sf6#
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Rf4#
      • 1...Rc6
        • 2.cxd5#
      • 1...Re6
        • 2.Qh4#
      • 1...Rf6
        • 2.Sxf6#
      • 1...Bc6
        • 2.Sd6#
      • 1...Be6
        • 2.Sf6#
      • 1...Se6
        • 2.Sf6#
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD,N_SPINS(b),S_CUTB(f)::R(F)+P(G),XS(b)
    • S(e);N_GUARD::B(I),XS(b)
    • S(e);N_GUARD,XS(K)::B(I),XS(b)
    • P(g);N_GUARD,S_CUTR(d)::S(K)
  • Actual
    • Q(L);P_PINP(c),XP(g)
    • Threat
      • R1(A)
    • Vars
      • R(d);N_GUARD,N_SPINS(b),S_CUTB(f)::R(F)+P(G),XS(b)
      • R(d);N_SPINP(c),S_CUTB(f)::QAR(L)
      • R(d);N_GUARD::S(K),XR(d)
      • B(f);N_SPINS(b),S_CUTR(d)::S(K)
      • B(f);N_SPINP(c),S_CUTR(d)::S(K)
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