MESON Chess Problem Database

Problem Display
PID: 248209 (8/3ppbP1/3pk1rR/3p1Nbp/3P2NP/4P2Q/7P/1B3RK1 w - - 0 1)

Francey, James

British Chess Magazine, 1932

8/3ppbP1/3pk1rR/3p1Nbp/3P2NP/4P2Q/7P/1B3RK1

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe3+
      • 2.Qxe3#
  • Keys
    • 1.Sg3!
      • threat
        • 2.Se5#
        • 2.Sf6#
        • 2.Bf5#
      • 1...Bxe3+
        • 2.Sxe3#
      • 1...Bxh4
        • 2.Se5#
        • 2.Bf5#
      • 1...Bxh6
        • 2.Bf5#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Rf6
        • 2.Sf2#
        • 2.Se5#
        • 2.Sxf6#
        • 2.Bf5#
      • 1...Bf4
        • 2.Bf5#
      • 1...Bf6
        • 2.Bf5#
      • 1...Be8
        • 2.Se5#
      • 1...Bg8
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(b);CHECK,OGATE,P_PINS(H),XP(E)::QAR(F),XB(b)
  • Actual
    • S(J);
    • Threat
      • DUALS(3)
    • Vars
      • B(b);CHECK,XP(E)::QAB(F)+S(H),XB(b)
      • B(b);N_SPINR(f),XR(K)::B(A)
      • P(c);OGATE,P_SPINP(c),XS(H)::QAB(F),XP(c)
      • B(b);::B(A)
      • B(b);N_SPINR(f)::B(A)
      • B(i);::QAB(F)+S(H)
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