MESON Chess Problem Database

Problem Display
PID: 149033 (8/2q1P2B/3r2N1/2p2kP1/1p5P/3NRp2/5K2/1Q6 w - - 0 1)

Dawson, Thomas Rayner

Falkirk Herald, 1920

(First published on Wed Jul 28 1920)

8/2q1P2B/3r2N1/2p2kP1/1p5P/3NRp2/5K2/1Q6

#2

9 + 6

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Sde5#
  • Tries
    • 1.Sde5+?
      • 1...Ke6
        • 2.Bg8#
      • 1...Rd3!
    • 1.Qh1?
      • threat
        • 2.Qxf3#
        • 2.Qh3#
      • 1...Kg4
        • 2.Qxf3#
      • 1...Rxd3
        • 2.Qh3#
      • 1...Rxg6
        • 2.Qh3#
      • 1...Qc6
        • 2.Qh3#
      • 1...Qb7
        • 2.Qh3#
      • 1...Rd5
        • 2.Qh3#
      • 1...Ra6
        • 2.Qh3#
      • 1...Rb6
        • 2.Qh3#
      • 1...Rc6
        • 2.Qh3#
      • 1...Re6
        • 2.Qh3#
      • 1...Rf6
        • 2.Qh3#
      • 1...Rd7
        • 2.Qh3#
      • 1...Rd8
        • 2.Qh3#
      • 1...Rd4!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Re5#
      • 1...Rxd3+
        • 2.Sf4#
      • 1...Rd4+
        • 2.Sgf4#
      • 1...Rd5+
        • 2.Sgf4#
      • 1...Ra6+
        • 2.Sdf4#
      • 1...Rb6+
        • 2.Sdf4#
      • 1...Rc6+
        • 2.Sdf4#
      • 1...Re6+
        • 2.Sde5#
      • 1...Rf6+
        • 2.Sdf4#
      • 1...Rxg6+
        • 2.Sf4#
      • 1...Rd7+
        • 2.Sgf4#
      • 1...Rd8+
        • 2.Sgf4#
      • 1...Qxe7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,SBLOCK::QAB(A)+S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);S_FLIGHT::B(I)
      • Refutation
        • R(e);P_SPINR(e)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::QAB1(A),XP(a)
        • R(e);XS(C)::QAB(A)
        • R(e);P_SPINR(e),XS(G)::QAB(A)
        • Q(f);::QAB(A)
        • R(e);::QAB(A)
      • Refutation
        • R(e);
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • R1(D)
    • Vars
      • R(e);CHECK,N_GUARD,P_SPINR(e),XS(C)::B(I)+S(G)
      • R(e);CHECK,N_GUARD::B(I)+S(G)
      • R(e);CHECK,N_GUARD::QAB(A)+S(C)
      • R(e);CHECK,N_GUARD,SBLOCK::QAB(A)+S(C)
      • R(e);CHECK,N_GUARD,P_PINP(F),P_SPINR(e),XS(G)::QAB(A)+S(C)
      • Q(f);XP(H)::B(I)+S(G),DCHECK,XQ(f)
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