MESON Chess Problem Database

Problem Display
PID: 50875 (N7/1K3R1p/3p4/2Bk4/P2Prp2/r1n5/p1B3Q1/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Brighton Society, 1897

N7/1K3R1p/3p4/2Bk4/P2Prp2/r1n5/p1B3Q1/8

#2

8 + 8

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sb6#
    • 1...Rb3+
      • 2.Bxb3#
  • Tries
    • 1.Rf5+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke6!
    • 1.Qxe4+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Sxe4!
    • 1.Qg5+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke6
        • 2.Re7#
        • 2.Qf5#
      • 1...Re5!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Rf5#
      • 1...Rb3+
        • 2.Bxb3#
      • 1...Re7+
        • 2.Rxe7#
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke6
        • 2.Sc7#
      • 1...dxc5
        • 2.Rd7#
      • 1...Re6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(f);N_SPINR(d),S_FLIGHT::S(H)
    • R(b);CHECK,N_GUARD::B(A),XR(b)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(f);N_SPINR(d),S_FLIGHT::S(H)
      • Refutation
        • K(f);N_SPINR(d),S_FLIGHT
    • Try
      • Q(B);CHECK,XR(d)
      • Vars
        • K(f);S_FLIGHT::S(H)
      • Refutation
        • S(c);XQ(B)
    • Try
      • Q(B);CHECK,N_PINR(d)
      • Vars
        • K(f);S_FLIGHT::S(H)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • Q(B);N_PINR(d)
    • Threat
      • QAB(B)+R(G),DCHECK
    • Vars
      • R(b);CHECK,N_GUARD::B(A),XR(b)
      • R(d);CHECK,N_GUARD::QAB(B)+R(G),XR(d)
      • K(f);S_FLIGHT::S(H)
      • P(g);XB(E)::QAB(B)+R(G),DCHECK
      • R(d);SBLOCK::S(H)
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