MESON Chess Problem Database

Problem Display
PID: 141268 (2b5/2Pkp3/2pPR1B1/8/8/7K/4Q3/8 w - - 0 1)

Anderson, Martin (England)

Source?, 0000

2b5/2Pkp3/2pPR1B1/8/8/7K/4Q3/8

#2

6 + 4

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...exd6
      • 2.Re7#
  • Keys
    • 1.Rf6!
      • threat
        • 2.Qe6#
        • 2.Qxe7#
      • 1...exd6
        • 2.Rf7#
      • 1...exf6
        • 2.Qe7#
      • 1...Ba6
        • 2.Qe6#
      • 1...Bb7
        • 2.Qe6#
      • 1...c5
        • 2.Qb5#
      • 1...e6
        • 2.Qxe6#
      • 1...e5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK,XP(C)::R1(D)
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);OGATEB,SBLOCK,XP(C)::R(D)
      • P(c);XR(D)::QAR1(A)
      • B(d);::QAB1(A)
      • P(a);OGATEB::QAB(A)
      • P(c);::QAB1(A),XP(c)
      • P(c);N_GUARD::QAB(A)
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