MESON Chess Problem Database

Problem Display
PID: 148811 (1n6/8/p1rPQ3/2P3p1/pPKP2r1/2BB1pp1/k7/1N6 w - - 0 1)

Dawson, Thomas Rayner

Natal Mercury, 1913

(First published on Sat Oct 11 1913)

1n6/8/p1rPQ3/2P3p1/pPKP2r1/2BB1pp1/k7/1N6

#2

9 + 9

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4+
      • 2.Kxd4#
    • 1...Rxc5+
      • 2.Kxc5#
    • 1...f2
      • 2.Qe2#
    • 1...a5
      • 2.Kb5#
  • Keys
    • 1.Kd5!
      • threat
        • 2.Ke5#
      • 1...Rxd4+
        • 2.Kxd4#
      • 1...Rxc5+
        • 2.Kxc5#
      • 1...Rxd6+
        • 2.Kxd6#
      • 1...Kb3
        • 2.Ke5#
      • 1...Re4
        • 2.Kxe4#
      • 1...Sd7
        • 2.Kxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(e);CHECK,P_PINP(G),XP(F)::QAB(I)+K(E),XR(e)
    • R(h);CHECK,XP(G)::QAB(I)+K(E),XR(h)
    • P(b);N_GUARD::QAR(I)
    • P(g);::QAB(I)+K(E)
  • Actual
    • K(E);N_SPINP(F),S_FLIGHT
    • Threat
      • QAB(I)+K(E)
    • Vars
      • R(e);CHECK,XP(F)::QAB(I)+K(E),XR(e)
      • R(h);CHECK,XP(G)::QAB(I)+K(E),XR(h)
      • R(h);CHECK,XP(H)::QAB(I)+K(E),XR(h)
      • K(a);S_FLIGHT::QAB(I)+K(E)
      • R(e);::QAB(I)+K(E),XR(e)
      • S(i);::QAB(I)+K(E),XR(h)
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