MESON Chess Problem Database

Problem Display
PID: 94960 (8/8/3p1pp1/2p5/P2k2P1/4pQ2/1KP1p3/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1946

8/8/3p1pp1/2p5/P2k2P1/4pQ2/1KP1p3/8

#2

5 + 7

6490 yacpdb 2009
15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe4#
    • 1...d5
      • 2.Qf4#
  • Tries
    • 1.c3+?
      • 1...Kd3
        • 2.Qd5#
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke5!
  • Keys
    • 1.c4!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qd5#
      • 1...Kxc4
        • 2.Qe4#
      • 1...Ke5
        • 2.Qxe3#
      • 1...d5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(C)
    • P(e);SBLOCK::QAR2(C)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(b)::QAR2(C)
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b)::QAR2(C)
      • K(c);P-FLIGHT,XP(B)::QAR2(C)
      • K(c);S_FLIGHT::QAR2(C),XP(b)
      • P(e);::QAR1(C),XP(e)
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