MESON Chess Problem Database

Problem Display
PID: 136931 (1rqb4/1pp1P3/n1p2N2/2k2P1R/p7/P2K2BN/P7/1Q5B w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

The Field, 1922

(First published on Sat Dec 30 1922)

1rqb4/1pp1P3/n1p2N2/2k2P1R/p7/P2K2BN/P7/1Q5B

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5+
      • 2.Rxf5#
    • 1...Qe6
      • 2.fxe6#
    • 1...Qd7+
      • 2.Sxd7#
    • 1...Sb4+
      • 2.Qxb4#
    • 1...b5
      • 2.Qg1#
  • Tries
    • 1.Sf2?
      • threat
        • 2.S2e4#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...Qe6
        • 2.fxe6#
      • 1...b5!
    • 1.Se8?
      • threat
        • 2.Bf2#
      • 1...Qxf5+
        • 2.Rxf5#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...Qe6
        • 2.fxe6#
      • 1...Qd7+!
    • 1.exd8Q?
      • threat
        • 2.Se4#
        • 2.Bf2#
        • 2.Qe7#
        • 2.Qd4#
      • 1...Qxf5+
        • 2.Se4#
        • 2.Rxf5#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...b5
        • 2.Bf2#
        • 2.Qg1#
        • 2.Qd4#
      • 1...Qe6
        • 2.Qd4#
        • 2.fxe6#
      • 1...Qxd8+!
    • 1.exd8B?
      • threat
        • 2.Be7#
      • 1...Qxf5+
        • 2.Rxf5#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...b5
        • 2.Qg1#
      • 1...Qe6
        • 2.fxe6#
      • 1...Qxd8+!
    • 1.exd8R?
      • threat
        • 2.Se4#
        • 2.Bf2#
      • 1...Qxf5+
        • 2.Se4#
        • 2.Rxf5#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...b5
        • 2.Bf2#
        • 2.Qg1#
      • 1...Qe6
        • 2.fxe6#
      • 1...Qxd8+!
    • 1.e8Q?
      • threat
        • 2.Qe3#
        • 2.Qe5#
      • 1...Qxf5+
        • 2.Rxf5#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...b5
        • 2.Qxc6#
        • 2.Qg1#
        • 2.Qe3#
      • 1...Qe6
        • 2.fxe6#
      • 1...Be7
        • 2.Qxe7#
      • 1...Bxf6!
    • 1.e8S?
      • threat
        • 2.Bf2#
      • 1...Qxf5+
        • 2.Rxf5#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...Qe6
        • 2.fxe6#
      • 1...Bxf6!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sge4#
      • 1...Qd7+
        • 2.Sxd7#
      • 1...Sb4+
        • 2.Qxb4#
      • 1...b5
        • 2.Qg1#
      • 1...Qe6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::R(I),XQ(h)
    • Q(h);OGATE::R(I)+P(H),XQ(h)
    • Q(h);CHECK,N_GUARD::S(J),XQ(h)
    • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
    • P(e);SBLOCK::QAB(A)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
      • Refutation
        • P(e);
    • Try
      • S(J);
      • Threat
        • B(F)
      • Vars
        • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::R(I),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
      • Refutation
        • Q(h);CHECK
    • Try
      • P(K);XB(i)
      • Threat
        • DUALS(4)
      • Vars
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
      • Refutation
        • Q(h);CHECK,XQ(K)
    • Try
      • P(K);XB(i)
      • Threat
        • B(K)
      • Vars
        • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::R(I),XQ(h)
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • P(e);SBLOCK::QAB(A)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
      • Refutation
        • Q(h);CHECK,XB(K)
    • Try
      • P(K);XB(i)
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
      • Refutation
        • Q(h);CHECK,XR(K)
    • Try
      • P(K);
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::R(I),XQ(h)
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
        • B(i);N_GUARD::QAB(K),XB(i)
      • Refutation
        • B(i);XS(J)
    • Try
      • P(K);
      • Threat
        • B(F)
      • Vars
        • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::R(I),XQ(h)
        • Q(h);CHECK,N_GUARD::S(J),XQ(h)
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • Q(h);OGATE::R(I)+P(H),XQ(h)
      • Refutation
        • B(i);XS(J)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(h);CHECK,N_GUARD::S(J),XQ(h)
      • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
      • P(e);SBLOCK::QAB(A)
      • Q(h);N_GUARD::S(G),XQ(h)
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