MESON Chess Problem Database

Problem Display
PID: 75656 (K1BB3b/7n/2N1PPN1/2p2kpP/2R1n3/8/5p2/3Q3b w - - 0 1)

Mai, Guglielmo

Sinfonie Scacchistiche, 1977

K1BB3b/7n/2N1PPN1/2p2kpP/2R1n3/8/5p2/3Q3b

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Qxf3#
    • 1...Bxf6
      • 2.e7#
    • 1...Sd2
      • 2.Qg4#
    • 1...Sc3
      • 2.Qg4#
    • 1...Sg3
      • 2.Qg4#
    • 1...Sd6
      • 2.Qg4#
    • 1...Sexf6
      • 2.Se7#
    • 1...Shxf6
      • 2.Sce7#
    • 1...g4
      • 2.Qd5#
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rd5#
      • 1...Bxf6
        • 2.e7#
      • 1...Sexf6
        • 2.Se7#
      • 1...Shxf6
        • 2.Sce7#
      • 1...cxd4
        • 2.Sxd4#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Sd2
        • 2.Qg4#
      • 1...Sc3
        • 2.Qg4#
      • 1...Sg3
        • 2.Qg4#
      • 1...Sd6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAR2(A),XB(a)
    • B(h);SBLOCK,XP(F)::B(I)+P(E)
    • S(c);P_PINS(D)::QAB1(A)
    • S(c);P_PINS(D),SBLOCK,XP(F)::S(G)
    • S(g);SBLOCK,XP(F)::S(D)
    • P(f);SBLOCK::QAR2(A)
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • B(h);SBLOCK,XP(F)::B(I)+P(E)
      • S(c);P_PINS(D),SBLOCK,XP(F)::S(G)
      • S(g);SBLOCK,XP(F)::S(D)
      • P(d);XR(B)::S(D),XP(d)
      • B(a);N_GUARD::QAR2(A),XB(a)
      • S(c);P_PINS(D)::QAB1(A)
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