MESON Chess Problem Database

Problem Display
PID: 265910 (7K/2P5/8/p2N4/Rn1nkB1N/8/2R5/1B6 w - - 0 1)

Bottacchi, Antonio

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

7K/2P5/8/p2N4/Rn1nkB1N/8/2R5/1B6

#2

8 + 4

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Rc5#
    • 1...Sxd5
      • 2.Rf2#
    • 1...Sa6
      • 2.Rc5#
    • 1...Sbc6
      • 2.Rc5#
    • 1...Se2
      • 2.Rd2#
    • 1...Sb3
      • 2.Rd2#
    • 1...Sf3
      • 2.Rd2#
    • 1...Sb5
      • 2.Rd2#
    • 1...Sf5
      • 2.Rd2#
    • 1...Sdc6
      • 2.Rd2#
    • 1...Se6
      • 2.Rd2#
  • Tries
    • 1.Rc4+?
      • 1...Sc2
        • 2.Rxd4#
      • 1...Sd3
        • 2.Rxd4#
      • 1...Kxd5!
  • Keys
    • 1.c8Q!
      • 1...Kd3
        • 2.Rd2#
      • 1...Kxd5
        • 2.Rc5#
      • 1...Sbxc2
        • 2.Qf5#
      • 1...Sxd5
        • 2.Rf2#
        • 2.Qf5#
      • 1...Sdxc2
        • 2.Qc4#
      • 1...Se2
        • 2.Rd2#
      • 1...Sb3
        • 2.Rd2#
      • 1...Sf3
        • 2.Rd2#
      • 1...Sb5
        • 2.Rd2#
      • 1...Sf5
        • 2.Rd2#
      • 1...Sdc6
        • 2.Rd2#
      • 1...Se6
        • 2.Rd2#
      • 1...Sa2
        • 2.Rc5#
        • 2.Qf5#
      • 1...Sd3
        • 2.Qf5#
      • 1...Sa6
        • 2.Rc5#
        • 2.Qf5#
      • 1...Sbc6
        • 2.Rc5#
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD,P_SPINS(b)::B(A)+R(B)
    • S(a);N_GUARD,P_SPINS(b),SBLOCK,XS(F)::B(A)+R(B)
    • S(b);N_GUARD,P_SPINS(a)::B(A)+R(B)
  • Tries
    • Try
      • R(B);CHECK,P_PINS(b)
      • Vars
        • S(a);N_SPINS(b),P_SPINS(a)::R1(B),XS(b)
      • Refutation
        • K(c);N_SPINS(b),S_FLIGHT,XS(F)
  • Actual
    • P(G);
    • Vars
      • K(c);N_GUARD,S_FLIGHT::B(A)+R(B),DCHECK
      • K(c);S_CUTS(a),S_CUTS(a),S_CUTS(b),S_FLIGHT,XS(F)::R1(B)
      • S(a);P_SPINS(a),S_CUTS(b),XR(B)::QAB1(G)
      • S(b);OGATEB,P_SPINS(b),XR(B)::QAR2(G)
      • S(b);N_GUARD,P_SPINS(a)::B(A)+R(B)
      • S(a);P_SPINS(b),SBLOCK::QAB1(G)
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