MESON Chess Problem Database

Problem Display
PID: 266803 (5N2/2Q1brq1/2p2rp1/1Pk1n3/K7/n1NPP1Rb/6p1/6B1 w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

5N2/2Q1brq1/2p2rp1/1Pk1n3/K7/n1NPP1Rb/6p1/6B1

#2

9 + 11

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4+
      • 2.exf4#
    • 1...Rf5
      • 2.Se6#
    • 1...Rd6
      • 2.Qa7#
    • 1...Bf5
      • 2.e4#
    • 1...Sac4
      • 2.d4#
    • 1...Sec4
      • 2.d4#
    • 1...Sg4
      • 2.Sd7#
  • Keys
    • 1.Rg5!
      • threat
        • 2.Rxe5#
      • 1...Rf4+
        • 2.exf4#
      • 1...Rf1
        • 2.Qxc6#
      • 1...Rf2
        • 2.Qxc6#
      • 1...Rf3
        • 2.Qxc6#
      • 1...Rf5
        • 2.Se6#
      • 1...Rd6
        • 2.Qa7#
      • 1...Re6
        • 2.Sd7#
      • 1...Bf5
        • 2.e4#
      • 1...Be6
        • 2.Qxc6#
      • 1...Bd6
        • 2.Qxc6#
      • 1...Sc4
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • R(g);CHECK,OGATE::B(A)+P(D),XR(g)
    • R(g);N_GUARD,S_CUTB(c)::S(I)
    • R(g);SBLOCK::QAB(H)
    • B(c);S_CUTR(g)::B(A)+P(D)
    • S(b);SBLOCK::P(C)
    • S(e);SBLOCK::P(C)
    • S(e);N_GUARD,S_CUTB(c)::S(I)
  • Actual
    • R(E);P_PINS(e)
    • Threat
      • R(E),XS(e)
    • Vars
      • R(g);CHECK,OGATE::B(A)+P(D),XR(g)
      • R(g);N_GUARD::QAR1(H),XP(f)
      • R(g);N_GUARD,N_SPINS(e),S_CUTB(c)::S(I)
      • R(g);SBLOCK::QAB(H)
      • R(g);S_CUTB(c)::S(I)
      • B(c);N_SPINS(e),S_CUTR(g)::B(A)+P(D)
      • B(c);S_CUTR(g)::QAR1(H),XP(f)
      • B(i);S_CUTR(g)::QAR1(H),XP(f)
      • S(b);SBLOCK::P(C)
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