MESON Chess Problem Database

Problem Display
PID: 147264 (b7/B2R1B2/3prPQ1/1Rp1k3/4N3/8/1N4P1/4K3 w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1908

(First published on Sat Sep 19 1908)

b7/B2R1B2/3prPQ1/1Rp1k3/4N3/8/1N4P1/4K3

#2

10 + 5

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Bxc5#
      • 1...Kxf5!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Rb4#
      • 1...Kxe4!
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Scd3#
      • 1...Kd4+
        • 2.Se4#
      • 1...Kf4+
        • 2.Sxe6#
      • 1...Kd5+
        • 2.Qe4#
      • 1...dxc5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);P_PINS(D),S_FLIGHT::B(H),XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_PINS(D),XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);P_PINS(D),S_FLIGHT::R(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XS(D)
  • Actual
    • S(D);XP(a)
    • Threat
      • R(E)+S(D),DCHECK
    • Vars
      • K(b);CHECK,P_SPINP(c),S_FLIGHT::B(H)+S(D)
      • K(b);CHECK,S_FLIGHT::S(D),XR(d)
      • K(b);CHECK,P-FLIGHT,P_SPINP(c),P_SPINR(d)::QAB1(G)
      • P(c);P_SPINP(c),XS(D)::S(B)
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