MESON Chess Problem Database

Problem Display
PID: 142675 (4N1K1/8/3N4/2Rrk1B1/1p6/3p4/2Q5/8 w - - 0 1)

Winter-Wood, Edward John

Western Daily Mercury, 1903

(First published on Fri Jul 3 1903)

4N1K1/8/3N4/2Rrk1B1/1p6/3p4/2Q5/8

#2

6 + 4

15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Qe4#
  • Tries
    • 1.Qxd3?
      • threat
        • 2.Qe4#
        • 2.Qe3#
        • 2.Qxd5#
      • 1...Rxc5
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Rc4#
        • 2.Qe3#
      • 1...dxe2!
    • 1.Qg2?
      • threat
        • 2.Qe4#
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Rxc5
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qh2+?
      • 1...Kd4
        • 2.Rc4#
      • 1...Ke6!
    • 1.Qc4?
      • threat
        • 2.Qxd5#
        • 2.Qe4#
      • 1...Rxc5
        • 2.Bf4#
        • 2.Bf6#
        • 2.Qe4#
      • 1...Ke6!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Rxd5#
      • 1...Kd4
        • 2.Rxd5#
      • 1...Kxd6
        • 2.Rxd5#
      • 1...Rxc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE::QAR1(A)
  • Tries
    • Try
      • Q(A);XP(a)
      • Threat
        • DUALS(3)
      • Vars
        • R(c);N_SPINR(c),XR(B)::QAR1(A)
      • Refutation
        • K(d);N_SPINR(c),P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);N_SPINR(c),S_FLIGHT::QAR1(A),XR(c)
        • R(c);N_SPINR(c),XR(B)::QAR1(A)
      • Refutation
        • K(d);N_SPINR(c),P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);N_SPINR(c),S_FLIGHT::R1(B)
      • Refutation
        • K(d);N_SPINR(c),P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(E);
    • Threat
      • R1(B),XR(c)
    • Vars
      • K(d);N_SPINR(c),S_FLIGHT::R1(B),XR(c)
      • K(d);N_SPINR(c),S_FLIGHT,XS(D)::R1(B),XR(c)
      • R(c);N_SPINR(c),OGATE,XR(B)::QAR2(A),XR(c)
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