MESON Chess Problem Database

Problem Display
PID: 207511 (1n6/n3P3/3p4/pk1B4/N7/K7/8/8 w - - 0 1)

Martindale, Frank W

Chess Problems - Martindale, FW, 1872

1n6/n3P3/3p4/pk1B4/N7/K7/8/8

#2

4 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.e8Q+?
      • 1...Sac6
        • 2.Qe2#
      • 1...Sbc6
        • 2.Qe2#
      • 1...Sd7
        • 2.Qe2#
      • 1...Ka6!
  • Keys
    • 1.e8S!
      • threat
        • 2.Sc7#
      • 1...Ka6
        • 2.Sc7#
      • 1...Sa6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • S(d);P_SPINS(d)::QAB(D)
        • S(e);P_SPINS(e)::QAB(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT::S(D)
      • S(e);SBLOCK::S(D),XP(c)
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