MESON Chess Problem Database

Problem Display
PID: 143004 (8/8/1pR1p1P1/1Rr1k3/5q1P/N1NB1P2/1Q3P1B/3K4 w - - 0 1)

Winter-Wood, Edward John

Western Times, 1905

(First published on Tue Apr 11 1905)

8/8/1pR1p1P1/1Rr1k3/5q1P/N1NB1P2/1Q3P1B/3K4

#2

12 + 5

15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Sd5#
    • 1...Rd5
      • 2.Scb1#
      • 2.Sa2#
      • 2.Se2#
      • 2.Sa4#
      • 2.Sxd5#
  • Tries
    • 1.Sc4+?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kd4!
    • 1.Se4+?
      • 1...Kf5
        • 2.Sg3#
        • 2.Sd6#
        • 2.Qf6#
      • 1...Kd5!
    • 1.Sd5+?
      • 1...Rc3
        • 2.Qxc3#
      • 1...Kxd5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Scb1#
        • 2.Sa2#
        • 2.Se2#
        • 2.Sa4#
      • 1...Rd5+
        • 2.Sxd5#
      • 1...Kd4
        • 2.Se2#
      • 1...Kf6
        • 2.Sd5#
      • 1...Qxh2
        • 2.Se2#
      • 1...Rxb5
        • 2.Scxb5#
      • 1...Qg3
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINQ(a),N_SPINR(b),P_SPINP(e),S_FLIGHT::QAB(B)+S(F),DCHECK
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINQ(a),N_SPINR(b),P_SPINP(e),S_FLIGHT::QAB(B)+S(F),DCHECK
      • Refutation
        • K(c);N_SPINQ(a),N_SPINR(b),S_FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(c);N_SPINQ(a),P-FLIGHT
    • Try
      • S(F);CHECK,N_PINR(b)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAB(B),XR(b)
      • Refutation
        • K(c);N_SPINQ(a),P-FLIGHT,P_SPINR(b),XS(F)
  • Actual
    • B(G);
    • Threat
      • DUALS(4)
    • Vars
      • R(b);CHECK,N_GUARD::QAB(B)+S(F),XR(b)
      • K(c);N_SPINQ(a),N_SPINR(b),S_FLIGHT::QAB(B)+S(F),DCHECK
      • K(c);N_SPINQ(a),N_SPINR(b),P_SPINP(e),S_FLIGHT::QAB(B)+S(F),DCHECK
      • Q(a);N_SPINQ(a),XB(D)::QAB(B)+S(F)
      • R(b);N_SPINR(b),XR(J)::QAB(B)+S(F),XR(b)
      • Q(a);::QAB(B)+S(F)
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