MESON Chess Problem Database

Problem Display
PID: 56572 (4R3/pK4Q1/B2p4/3pnP1p/N2k1p1p/N6n/2P2PP1/6B1 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Daily Chronicle, 1901

4R3/pK4Q1/B2p4/3pnP1p/N2k1p1p/N6n/2P2PP1/6B1

#2

11 + 9

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.f3#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Sb5#
      • 1...Sxf2
        • 2.Bxf2#
      • 1...a6!
    • 1.Rxe5?
      • threat
        • 2.Re1#
        • 2.Re2#
        • 2.Re3#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
        • 2.c3#
      • 1...Sxf2
        • 2.Bxf2#
        • 2.Re1#
        • 2.Re2#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
        • 2.c3#
      • 1...dxe5!
    • 1.Qh6?
      • 1...Sxg1
        • 2.Qxf4#
      • 1...Sxf2
        • 2.Qxf4#
      • 1...Sg5
        • 2.f3#
      • 1...Sd3
        • 2.c3#
      • 1...Sf3
        • 2.c3#
      • 1...Sc4
        • 2.Sb5#
      • 1...Sg4
        • 2.c3#
      • 1...Sc6
        • 2.c3#
      • 1...Sg6
        • 2.c3#
      • 1...Sd7
        • 2.c3#
      • 1...Sf7
        • 2.c3#
      • 1...f3
        • 2.Qe3#
      • 1...Ke4!
    • 1.Qg4?
      • 1...Ke4
        • 2.f3#
      • 1...Sxg1
        • 2.Qxf4#
      • 1...Sxf2
        • 2.Qxf4#
      • 1...Sxg4
        • 2.c3#
      • 1...Sg5
        • 2.f3#
      • 1...Sd3
        • 2.c3#
      • 1...Sf3
        • 2.c3#
      • 1...Sc4
        • 2.Sb5#
      • 1...Sc6
        • 2.Qd1#
        • 2.c3#
      • 1...Sg6
        • 2.Qd1#
        • 2.c3#
      • 1...Sd7
        • 2.Qd1#
        • 2.c3#
      • 1...Sf7
        • 2.Qd1#
        • 2.c3#
      • 1...hxg4!
    • 1.f3+?
      • 1...Sf2
        • 2.Bxf2#
      • 1...Sxg1!
  • Keys
    • 1.Qg5!
      • 1...Ke4
        • 2.f3#
      • 1...Sxg1
        • 2.Qxf4#
      • 1...Sxf2
        • 2.Qxf4#
      • 1...Sxg5
        • 2.f3#
      • 1...Sd3
        • 2.c3#
      • 1...Sf3
        • 2.c3#
      • 1...Sc4
        • 2.Sb5#
      • 1...Sg4
        • 2.c3#
      • 1...Sc6
        • 2.c3#
      • 1...Sg6
        • 2.c3#
      • 1...Sd7
        • 2.c3#
      • 1...Sf7
        • 2.c3#
      • 1...f3
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(A)+P(C)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(E)
      • Vars
        • S(a);N_SPINS(f),OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
      • Refutation
        • P(i);
    • Try
      • R(K);XS(f)
      • Threat
        • DUALS(7)
      • Refutation
        • P(h);P_SPINP(h),XR(K)
    • Try
      • Q(J);N_PINS(f)
      • Vars
        • S(a);N_GUARD,XB(A)::QAR2(J),XP(c)
        • S(a);N_GUARD,P_SPINS(a),XP(C)::QAR2(J),XP(c)
        • S(a);N_GUARD::B(A)+P(C)
        • S(f);::P(B)
        • S(f);SBLOCK::S(E)
        • P(c);OGATE::QAB1(J)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(f)
    • Try
      • Q(J);N_PINS(f),P_PINP(c)
      • Vars
        • K(b);P-FLIGHT,P_SPINS(f)::P(C)
        • S(a);N_GUARD,XB(A)::QAR2(J),XP(c)
        • S(a);N_GUARD,P_SPINS(a),XP(C)::QAR2(J),XP(c)
        • S(f);N_SPINP(c),XQ(J)::P(B)
        • S(a);N_GUARD::B(A)+P(C)
        • S(f);::P(B)
        • S(f);SBLOCK::S(E)
      • Refutation
        • P(g);N_SPINP(c),XQ(J)
    • Try
      • P(C);CHECK
      • Vars
        • S(a);N_GUARD,N_SPINS(f),P_SPINS(a)::B(A),XS(a)
      • Refutation
        • S(a);XB(A)
  • Actual
    • Q(J);N_PINS(f)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(f)::P(C)
      • S(a);N_GUARD,XB(A)::QAR2(J),XP(c)
      • S(a);N_GUARD,P_SPINS(a),XP(C)::QAR2(J),XP(c)
      • S(a);N_GUARD,XQ(J)::B(A)+P(C)
      • S(f);::P(B)
      • S(f);SBLOCK::S(E)
      • P(c);OGATE::QAB1(J)
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