MESON Chess Problem Database

Problem Display
PID: 55216 (3R4/3Ppr2/5pb1/1KNk1qr1/1B3P2/3pp2B/2Q1N3/3R4 w - - 0 1)

Mansfield, Comins

Het Belgisch Schaakbord (L'Echiquier Belge), 1972

3R4/3Ppr2/5pb1/1KNk1qr1/1B3P2/3pp2B/2Q1N3/3R4

#2

10 + 9

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd7+
      • 2.Rxd7#
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke4+
        • 2.Se5#
      • 1...Ke6+
        • 2.Sc5#
      • 1...Qxd3+
        • 2.Qc4#
      • 1...Qxd7+
        • 2.Qc6#
      • 1...Qxf4
        • 2.Qc6#
      • 1...Qe4
        • 2.Qc5#
        • 2.Qc6#
      • 1...Qe6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(d);CHECK,OGATE,P_SPINQ(d),XP(I)::R(J),XQ(d)
  • Actual
    • S(H);XP(a)
    • Threat
      • DUALS(2)
    • Vars
      • K(c);CHECK,S_FLIGHT::QAB(B)+S(H)
      • K(c);CHECK,P_SPINQ(d),S_FLIGHT::S(H)
      • Q(d);CHECK,P_SPINQ(d),XS(H)::QAB1(B)
      • Q(d);CHECK,P_SPINQ(d),XP(I)::QAB1(B)
      • Q(d);XP(F)::QAB1(B)
      • Q(d);::QAB1(B)
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