MESON Chess Problem Database

Problem Display
PID: 48808 (B7/1R6/4p2N/3p1N1P/4k1p1/3p2P1/1P2PK2/5Q2 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

East Central Times, 1890

B7/1R6/4p2N/3p1N1P/4k1p1/3p2P1/1P2PK2/5Q2

#2

10 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...dxe2
      • 2.Qxe2#
    • 1...d4
      • 2.Rb5#
    • 1...e5
      • 2.Rb4#
      • 2.Qg2#
      • 2.Qh1#
      • 2.exd3#
  • Tries
    • 1.Kg1?
      • threat
        • 2.Qf4#
      • 1...dxe2
        • 2.Qxe2#
      • 1...d4
        • 2.Rb5#
      • 1...e5
        • 2.Rb4#
        • 2.Qg2#
        • 2.exd3#
      • 1...Ke5!
    • 1.Kg2?
      • threat
        • 2.Qf4#
      • 1...dxe2
        • 2.Qxe2#
      • 1...d4
        • 2.Rb5#
      • 1...e5
        • 2.Rb4#
        • 2.exd3#
      • 1...Ke5!
    • 1.Re7?
      • threat
        • 2.Rxe6#
      • 1...dxe2
        • 2.Qxe2#
      • 1...e5
        • 2.Qg2#
        • 2.Qh1#
        • 2.exd3#
      • 1...Ke5!
  • Keys
    • 1.Sf7!
      • 1...Kxf5
        • 2.Ke3#
      • 1...dxe2
        • 2.Qb1#
      • 1...exf5
        • 2.Rb4#
      • 1...d4
        • 2.Rb5#
      • 1...d2
        • 2.Qb1#
      • 1...e5
        • 2.S7d6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE,XP(C)::QAR2(A),XP(a)
    • P(d);OGATEB::B(J)+R(I)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • P(a);OGATE,XP(C)::QAR2(A),XP(a)
        • P(d);OGATEB::B(J)+R(I)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • P(a);OGATE,XP(C)::QAR2(A),XP(a)
        • P(d);OGATEB::B(J)+R(I)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(I);P_PINP(d)
      • Threat
        • R(I),XP(e)
      • Vars
        • P(a);OGATE,XP(C)::QAR2(A),XP(a)
      • Refutation
        • K(b);N_SPINP(d),P-FLIGHT,P_SPINP(e)
  • Actual
    • S(H);
    • Vars
      • K(b);S_FLIGHT,XS(F)::QAR(A)+K(D)
      • P(a);OGATEB,XP(C)::QAB(A)
      • P(e);SBLOCK,XS(F)::R(I)
      • P(d);OGATEB::B(J)+R(I)
      • P(a);OGATEB::QAB(A)
      • P(e);SBLOCK::S(H)
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