MESON Chess Problem Database

Problem Display
PID: 269234 (B1b4q/Br2N3/K3P2p/5p2/R1N1k1nr/8/4P2p/2Qn2b1 w - - 0 1)

Chicco, Adriano

Prize, Norsk Sjakkblad, 1933

(First published on Tue Apr 4 1933)

B1b4q/Br2N3/K3P2p/5p2/R1N1k1nr/8/4P2p/2Qn2b1

#2

9 + 11

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Sd2#
      • 2.Sd6#
    • 1...Se5
      • 2.Sd2#
      • 2.Sd6#
    • 1...f4
      • 2.Qb1#
      • 2.Qc2#
  • Keys
    • 1.Bb8!
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Sb6#
      • 1...Qe5
        • 2.Sd6#
      • 1...Be3
        • 2.Sd2#
      • 1...Sde3
        • 2.Sd2#
      • 1...Sgf2
        • 2.Se5#
      • 1...Sge3
        • 2.Sd2#
      • 1...Se5
        • 2.Sd6#
      • 1...Sf6
        • 2.Se3#
      • 1...f4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(G);
    • Threat
      • QAR1(A)
    • Vars
      • K(d);N_SPINR(i),P-FLIGHT,S_CUTB(b),S_CUTQ(k)::R(C)+S(D)
      • Q(k);SBLOCK::R(C)+S(D),DCHECK
      • B(b);SBLOCK::R(C)+S(D),DCHECK
      • S(a);SBLOCK::R(C)+S(D),DCHECK
      • S(e);S_CUTB(b)::R(C)+S(D)
      • S(e);SBLOCK::R(C)+S(D),DCHECK
      • S(e);S_CUTQ(k)::R(C)+S(D)
      • P(g);::QAR1(A),XP(g)
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