MESON Chess Problem Database

Problem Display
PID: 50463 (2K3N1/2B5/1p1P3Q/R1rk1p2/4N3/P4B2/3n4/3R4 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

The Field, 1888

(First published on Sat May 5 1888)

2K3N1/2B5/1p1P3Q/R1rk1p2/4N3/P4B2/3n4/3R4

#2

10 + 5

3262 700 Chess Problems 1902
15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Se7#
  • Tries
    • 1.Sxd2+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Qe3#
      • 1...Kd4!
    • 1.Rxd2+?
      • 1...Ke5
        • 2.d7#
      • 1...Kc6
        • 2.Sxc5#
        • 2.Se7#
        • 2.d7#
      • 1...Kc4!
    • 1.Rxc5+?
      • 1...Kd4
        • 2.Rxd2#
        • 2.Qxd2#
      • 1...bxc5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sxd2#
      • 1...Kc4
        • 2.Sxd2#
      • 1...Ke5
        • 2.Sxd2#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Sg5#
      • 1...fxe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);N_PINB(H),N_SPINR(b),N_SPINS(a),S_FLIGHT::S(J)
  • Tries
    • Try
      • S(D);CHECK,XS(a)
      • Refutation
        • K(c);N_SPINR(b),P-FLIGHT
    • Try
      • R(A);CHECK,XS(a)
      • Vars
        • K(c);P-FLIGHT::B(H)+P(F)
      • Refutation
        • K(c);N_SPINR(b),S_FLIGHT
    • Try
      • R(E);CHECK,N_SPINB(H),XR(b)
      • Refutation
        • P(e);XR(E)
  • Actual
    • Q(G);
    • Threat
      • B(C)+S(D),XS(a)
    • Vars
      • K(c);N_SPINR(b),N_SPINS(a),S_FLIGHT::S(D),XS(a)
      • K(c);N_SPINS(a),P-FLIGHT::QAR(G)+S(D),XS(a)
      • K(c);N_PINB(H),N_SPINR(b),N_SPINS(a),S_FLIGHT::S(J)
      • K(c);N_SPINR(b),N_SPINS(a),S_FLIGHT::QAR(G)+S(D),DCHECK
      • P(d);OGATE,P_SPINP(d),XS(D)::QAB1(G),XP(d)
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