MESON Chess Problem Database

Problem Display
PID: 163552 (B7/3N1b2/1P1k1P2/3n4/N5Q1/K1Bn3r/8/3R4 w - - 0 1)

Segers, Marcel

Phenix, 1991

B7/3N1b2/1P1k1P2/3n4/N5Q1/K1Bn3r/8/3R4

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Bb4#
      • 2.Be5#
    • 1...Sb4
      • 2.Bxb4#
      • 2.Be5#
    • 1...Sf4
      • 2.Bb4#
      • 2.Be5#
    • 1...Sxb6
      • 2.Be5#
    • 1...Sxf6
      • 2.Bb4#
    • 1...Sc7
      • 2.Bb4#
      • 2.Be5#
    • 1...Se7
      • 2.Bb4#
      • 2.Be5#
  • Keys
    • 1.Sf8!
      • threat
        • 2.Qd7#
      • 1...Sxc3
        • 2.Qf4#
      • 1...Sxb6
        • 2.Qf4#
      • 1...Sxf6
        • 2.Qb4#
      • 1...Be6
        • 2.Qxe6#
      • 1...Be8
        • 2.Qe6#
      • 1...Sc5
        • 2.Qf4#
      • 1...Se5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(c);P_SPINS(a),XP(F)::B(C)
    • S(c);N_GUARD,P_SPINS(a),XP(G)::B(C)
  • Actual
    • S(H);
    • Threat
      • QAR1(E)
    • Vars
      • S(c);N_GUARD,P_SPINS(a),XB(C)::QAB(E)
      • S(c);N_GUARD,P_SPINS(a),XP(F)::QAB(E)
      • S(c);N_GUARD,P_SPINS(a),XP(G)::QAB(E)
      • B(e);N_GUARD::QAR1(E),XB(e)
      • B(e);N_GUARD::QAR1(E)
      • S(a);N_GUARD,P_PINB(C),P_SPINS(c)::QAB(E)
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Developed and maintained by Brian Stephenson.
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