MESON Chess Problem Database

Problem Display
PID: 173150 (1QB1R3/4p3/3p1B2/8/6NN/1K5k/8/8 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 1979

1QB1R3/4p3/3p1B2/8/6NN/1K5k/8/8

#2

7 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sf2#
      • 2.Qh2#
  • Tries
    • 1.Bxe7?
      • 1...d5
        • 2.Sf2#
        • 2.Sh2#
        • 2.Se3#
        • 2.Sh6#
        • 2.Qh2#
      • 1...Kg3!
  • Keys
    • 1.Qxd6!
      • threat
        • 2.Sf2#
        • 2.Qh2#
        • 2.Qd3#
      • 1...exd6
        • 2.Re3#
      • 1...exf6
        • 2.Qh2#
      • 1...e5
        • 2.Qd3#
      • 1...e6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);XP(c)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
  • Actual
    • Q(E);XP(b)
    • Threat
      • DUALS(3)
    • Vars
      • P(c);OGATE,XQ(E)::R(G)
      • P(c);XB(D)::QAR1(E)
      • P(c);::QAR(E)
      • P(c);::S(B)
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