MESON Chess Problem Database

Problem Display
PID: 267179 (1R1KB3/3NB3/8/p2q4/k2Pp3/N4Q2/3p4/r2b4 w - - 0 1)

Bottacchi, Antonio

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

1R1KB3/3NB3/8/p2q4/k2Pp3/N4Q2/3p4/r2b4

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Sc5#
      • 2.Se5#
      • 2.Sb6#
      • 2.Sf6#
      • 2.Sf8#
    • 1...Qb3
      • 2.Sb6#
    • 1...Qc4
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qc6
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qe6
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qb7
      • 2.Sb6#
    • 1...Qf7
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qa8
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qg8
      • 2.Sc5#
      • 2.Sb6#
      • 2.Sf8#
    • 1...Qb5
      • 2.Sb6#
    • 1...Qc5
      • 2.Sxc5#
    • 1...Qe5
      • 2.Sc5#
      • 2.Sxe5#
      • 2.Sb6#
    • 1...Qf5
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qg5
      • 2.Sc5#
      • 2.Se5#
      • 2.Sb6#
    • 1...Qh5
      • 2.Sc5#
      • 2.Sb6#
    • 1...Qxd7+
      • 2.Bxd7#
    • 1...Rxa3
      • 2.Qxa3#
  • Tries
    • 1.Qxd1+?
      • 1...Qb3
        • 2.Se5#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sf8#
        • 2.Qxb3#
      • 1...Rxd1!
    • 1.Qb3+?
      • 1...Qxb3
        • 2.Sb6#
      • 1...Bxb3!
  • Keys
    • 1.Sb1!
      • threat
        • 2.Sc3#
      • 1...Qxd7+
        • 2.Bxd7#
      • 1...Qxd4
        • 2.Qxd1#
      • 1...Rxb1
        • 2.Qa3#
      • 1...Qb7
        • 2.Sb6#
      • 1...Qb3
        • 2.Sc5#
        • 2.Sb6#
      • 1...Qc4
        • 2.Sc5#
        • 2.Sb6#
      • 1...Qc6
        • 2.Sc5#
      • 1...Qb5
        • 2.Sb6#
      • 1...Qc5
        • 2.Sxc5#
      • 1...Qd6
        • 2.Qxd1#
      • 1...Ra3
        • 2.Qxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(g);N_PINS(D)::B(H)+S(D),DCHECK
    • Q(g);N_PINS(D)::S(D)
    • Q(g);N_PINS(D)::B(H)+S(D),DCHECK,XQ(g)
    • Q(g);CHECK,OGATE,P_SPINQ(g),XS(D)::B(H),XQ(g)
    • R(a);OGATE,XS(A)::QAR1(B),XR(a)
  • Tries
    • Try
      • Q(B);CHECK,XB(b)
      • Refutation
        • R(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • Q(g);N_PINS(D),SBLOCK,XQ(B)::B(H)+S(D),DCHECK
      • Refutation
        • B(b);XQ(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • Q(g);CHECK,OGATE,P_SPINQ(g),XS(D)::B(H),XQ(g)
      • Q(g);N_GUARD,XP(C)::QAB(B),XB(b)
      • R(a);N_GUARD,XS(A)::QAR1(B)
      • Q(g);N_PINS(D)::B(H)+S(D),DCHECK
      • Q(g);N_PINS(D)::S(D)
      • Q(g);N_PINS(D)::B(H)+S(D),DCHECK,XQ(g)
      • Q(g);N_GUARD::QAB(B),XB(b)
      • R(a);N_GUARD::QAR1(B),XR(a)
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