MESON Chess Problem Database

Problem Display
PID: 210036 (8/7B/2Q5/8/5pp1/2q4p/n2R4/2k1K1BR w K - 0 1)

Moen, Kabe

British Chess Magazine, 2020

8/7B/2Q5/8/5pp1/2q4p/n2R4/2k1K1BR

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Qxc2#
  • Tries
    • 1.Bd4?
      • threat
        • 2.Ke2#
      • 1...Qxc6
        • 2.Bb2#
        • 2.Rd1#
      • 1...Qc4
        • 2.Bb2#
        • 2.Rd1#
      • 1...f3!
  • Keys
    • 1.Be3!
      • threat
        • 2.Ke2#
        • 2.Kf2#
        • 2.0-0#
      • 1...Qxc6
        • 2.0-0#
      • 1...fxe3
        • 2.Ke2#
      • 1...Qc2
        • 2.Qxc2#
      • 1...Qc4
        • 2.Kf2#
      • 1...h2
        • 2.Ke2#
        • 2.Kf2#
      • 1...f3
        • 2.Kf2#
        • 2.0-0#
      • 1...g3
        • 2.Ke2#
        • 2.0-0#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_PINR(D),OGATE::QAR1(E),XQ(c)
  • Tries
    • Try
      • B(B);
      • Threat
        • R(C)+K(A)
      • Refutation
        • P(e);
  • Actual
    • B(B);
    • Threat
      • DUALS(3)
    • Vars
      • Q(c);N_PINR(D),N_SPINQ(c),XQ(E)::0-0
      • P(e);XB(B)::R(C)+K(A)
      • Q(c);N_PINR(D),OGATE::QAR1(E),XQ(c)
      • Q(c);N_PINR(D)::R(C)+K(A)
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