MESON Chess Problem Database

Problem Display
PID: 151603 (2k5/Pr1p1N2/PP6/1Bb5/6nK/qpQ3N1/2pr1p1B/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1935

2k5/Pr1p1N2/PP6/1Bb5/6nK/qpQ3N1/2pr1p1B/8

#2

9 + 10

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qh8#
    • 1...Rc7
      • 2.a8Q#
      • 2.a8R#
    • 1...d6
      • 2.Qh8#
  • Tries
    • 1.Sd6+?
      • 1...Rxd6
        • 2.Qh8#
      • 1...Kd8!
    • 1.Qxc5+?
      • 1...Rc7
        • 2.Qxc7#
        • 2.b7#
        • 2.a8Q#
        • 2.a8R#
      • 1...Qxc5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Re2
        • 2.S5d6#
      • 1...Rc7
        • 2.a8Q#
        • 2.a8R#
      • 1...d5
        • 2.S5d6#
      • 1...d6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(b);::QAR(B)
    • R(h);N_GUARD,N_SPINB(g)::P=Q
    • P(i);::QAR(B)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • R(b);XS(I)::QAR(B)
      • Refutation
        • K(j);N_SPINB(g),P-FLIGHT
    • Try
      • Q(B);CHECK,XB(g)
      • Refutation
        • Q(d);XQ(B)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • R(b);N_GUARD::S(C)
      • R(h);N_GUARD,N_SPINB(g)::P=Q
      • P(i);S_CUTR(b)::S(C)
      • P(i);::QAR(B)
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