MESON Chess Problem Database

Problem Display
PID: 44572 (2R3B1/8/2n1P3/3kP1NR/1p1n1B2/1P3P2/8/Q6K w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

English Mechanic and World of Science, 1889

2R3B1/8/2n1P3/3kP1NR/1p1n1B2/1P3P2/8/Q6K

#2

11 + 4

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3?
      • threat
        • 2.Qc4#
      • 1...Sxb3
        • 2.e7#
      • 1...Sxe5
        • 2.Qc5#
      • 1...Sa5
        • 2.Rc5#
        • 2.Rd8#
        • 2.Qc5#
      • 1...bxc3!
    • 1.Qa7?
      • 1...Sxb3
        • 2.e7#
      • 1...Sxf3
        • 2.e7#
      • 1...Sxe6
        • 2.Bxe6#
      • 1...Sxe5
        • 2.Qc5#
      • 1...Sc2
        • 2.e7#
      • 1...Se2
        • 2.e7#
      • 1...Sb5
        • 2.e7#
      • 1...Sf5
        • 2.e7#
      • 1...Sa5
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qd7#
      • 1...Se7
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qd7#
      • 1...Sb8
        • 2.Rc5#
        • 2.Qc5#
      • 1...Sd8
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qd7#
      • 1...Sxa7!
  • Keys
    • 1.Be3!
      • 1...Kc5
        • 2.Qa5#
      • 1...Kxe5
        • 2.Se4#
      • 1...Sxb3
        • 2.e7#
      • 1...Sxf3
        • 2.e7#
      • 1...Sxe6
        • 2.Bxe6#
      • 1...Sxe5
        • 2.Qxd4#
      • 1...Sc2
        • 2.e7#
      • 1...Se2
        • 2.e7#
      • 1...Sb5
        • 2.e7#
      • 1...Sf5
        • 2.e7#
      • 1...Sa5
        • 2.Qxd4#
      • 1...Sa7
        • 2.Qxd4#
      • 1...Se7
        • 2.Qxd4#
      • 1...Sb8
        • 2.Qxd4#
      • 1...Sd8
        • 2.Qxd4#

This is a version of 121134

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • S(b);N_GUARD,XP(C)::B(K)+P(I)
        • S(d);XP(F)::QAR1(A)
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);
      • Vars
        • S(b);N_GUARD,XP(C)::B(K)+P(I)
        • S(b);N_GUARD,XP(D)::B(K)+P(I)
        • S(b);OGATE,P_SPINS(b),XP(I)::B(K),XS(b)
        • S(d);XP(F)::QAR1(A)
        • S(b);N_GUARD::B(K)+P(I)
      • Refutation
        • S(d);XQ(A)
  • Actual
    • B(E);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(b)::QAR2(A)
      • K(c);P-FLIGHT,P_SPINS(b),XP(F)::R(H)+S(G)
      • S(b);N_GUARD,XP(C)::B(K)+P(I)
      • S(b);N_GUARD,XP(D)::B(K)+P(I)
      • S(b);OGATE,P_SPINS(b),XP(I)::B(K),XS(b)
      • S(d);N_GUARD,XP(F)::QAR1(A),XS(b)
      • S(b);N_GUARD::B(K)+P(I)
      • S(d);N_GUARD::QAR1(A),XS(b)
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