MESON Chess Problem Database

Problem Display
PID: 147717 (8/N5P1/N1P1P2B/1P4r1/RP1k2PQ/1Pp3R1/2P5/6KB w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1910

(First published on Sat Jun 4 1910)

8/N5P1/N1P1P2B/1P4r1/RP1k2PQ/1Pp3R1/2P5/6KB

#2

16 + 3

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Qf6#
    • 1...Re5
      • 2.Rd3#
    • 1...Rxg7
      • 2.Bxg7#
      • 2.Qf6#
  • Tries
    • 1.Qh2?
      • threat
        • 2.Rd3#
      • 1...Rxg4
        • 2.Rxg4#
      • 1...Ke5!
  • Keys
    • 1.Re3!
      • 1...Rxg4+
        • 2.Qxg4#
      • 1...Kxe3
        • 2.Qf2#
      • 1...Rxb5
        • 2.Sxb5#
      • 1...Rxg7
        • 2.Qf6#
      • 1...Rc5
        • 2.bxc5#
      • 1...Rd5
        • 2.Re4#
      • 1...Re5
        • 2.Rd3#
      • 1...Rf5
        • 2.gxf5#
      • 1...Rh5
        • 2.gxh5#
      • 1...Rg6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,P_PINR(E),P_SPINR(c),XP(H)::QAB(I)
    • R(c);SBLOCK::R1(E)
  • Tries
    • Try
      • Q(I);
      • Threat
        • R1(E)
      • Vars
        • R(c);OGATE,P_PINR(E),XP(H)::R(E),XR(c)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(E);P_SPINP(H)
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(H)::QAR(I),XR(c)
      • K(b);OGATEB,P_SPINR(c),S_FLIGHT,XR(E)::QAB1(I)
      • R(c);N_PINP(H),XP(J)::S(O),XR(c)
      • R(c);OGATE,XP(P)::QAB(I)
      • R(c);N_PINP(H),OGATE::R(F)+P(G),XR(c)
      • R(c);N_PINP(H),SBLOCK::R1(E)
      • R(c);N_PINP(H)::QAR(I)+P(H),XR(c)
      • R(c);OGATE::QAR(I)
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