MESON Chess Problem Database

Problem Display
PID: 153009 (8/p3k2p/1p1NN3/rP1pKp2/8/2p2Qp1/p4R2/6br w - - 0 1)

Dawson, Thomas Rayner

Chess Correspondent, 1944

8/p3k2p/1p1NN3/rP1pKp2/8/2p2Qp1/p4R2/6br

#2

6 + 12

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qb7#
  • Tries
    • 1.Qxd5?
      • threat
        • 2.Qb7#
      • 1...Kd7
        • 2.Qb7#
      • 1...Rxb5!
    • 1.Qh5?
      • threat
        • 2.Qf7#
        • 2.Qe8#
      • 1...Kd7
        • 2.Qf7#
        • 2.Qe8#
      • 1...Rxh5!
    • 1.Qxg3?
      • threat
        • 2.Qg7#
      • 1...Kd7
        • 2.Qg7#
      • 1...Bh2!
    • 1.Qxf5?
      • threat
        • 2.Qf7#
      • 1...Kd7
        • 2.Qf7#
      • 1...Rh5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qg7#
      • 1...Kd7
        • 2.Qg7#
      • 1...fxg4
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(g);OGATE,P_PINP(C)::QAR(B)
  • Tries
    • Try
      • Q(B);XP(g)
      • Threat
        • QAR(B)
      • Vars
        • K(k);P-FLIGHT::QAR2(B)
      • Refutation
        • R(f);P_PINQ(B),XP(C)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Refutation
        • R(b);XQ(B)
    • Try
      • Q(B);XP(e)
      • Threat
        • QAR2(B)
      • Vars
        • K(k);P-FLIGHT::QAR(B)
      • Refutation
        • B(a);P_PINQ(B)
    • Try
      • Q(B);XP(h)
      • Threat
        • QAR1(B)
      • Vars
        • K(k);P-FLIGHT::QAR2(B)
      • Refutation
        • R(b);P_PINQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(k);P-FLIGHT::QAR(B)
      • P(h);OGATE,XQ(B)::R1(A)
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