MESON Chess Problem Database

Problem Display
PID: 266314 (3RR1b1/1N2bB2/Kp2q3/1N3pn1/4kp2/1p1pP3/1B4P1/2Q5 w - - 0 1)

Bottacchi, Antonio

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

3RR1b1/1N2bB2/Kp2q3/1N3pn1/4kp2/1p1pP3/1B4P1/2Q5

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sd6#
    • 1...Qc8
      • 2.Sd6#
    • 1...Qd6
      • 2.S5xd6#
      • 2.S7xd6#
  • Tries
    • 1.S5d6+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Qxd6
        • 2.Sxd6#
      • 1...Bxd6!
    • 1.S7d6+?
      • 1...Kd5
        • 2.Sc7#
        • 2.Qc4#
      • 1...Qxd6
        • 2.Sxd6#
      • 1...Bxd6!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Sc3#
      • 1...fxe3
        • 2.Qxe3#
      • 1...d2
        • 2.Qb1#
      • 1...Qc4
        • 2.Sd6#
      • 1...Qc8
        • 2.Sd6#
      • 1...Qc6
        • 2.Qxc6#
      • 1...Bb4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(h);N_GUARD,P_PINS(E),P_SPINB(i)::S(G)
    • Q(h);N_GUARD,P_PINS(G),P_SPINB(i)::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_GUARD,P_SPINQ(h),S_FLIGHT::QAB1(A)
        • Q(h);P_SPINB(i),XS(E)::S(G),XQ(h)
      • Refutation
        • B(i);P_SPINQ(h),XS(E)
    • Try
      • S(G);CHECK
      • Vars
        • Q(h);P_SPINB(i),XS(G)::S(E),XQ(h)
      • Refutation
        • B(i);P_SPINQ(h),XS(G)
  • Actual
    • B(B);
    • Threat
      • S(E)
    • Vars
      • P(d);OGATE,XP(D)::QAR1(A),XP(d)
      • P(b);OGATEB::QAB(A)
      • Q(h);N_GUARD,P_PINS(E),P_SPINB(i)::S(G)
      • Q(h);N_GUARD,P_PINS(G),P_SPINB(i)::S(E)
      • Q(h);N_GUARD,P_SPINB(i)::QAB(A),XQ(h)
      • B(i);P_SPINQ(h)::QAB(A)
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