MESON Chess Problem Database

Problem Display
PID: 179522 (5B1b/5p2/2p3q1/3k1NR1/3p1p2/8/3KQ3/8 w - - 0 1)

Viksna, Kristaps

Busmen's Chess Review, 1969

5B1b/5p2/2p3q1/3k1NR1/3p1p2/8/3KQ3/8

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Se7#
  • Tries
    • 1.Se3+?
      • 1...Ke4
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sd5#
      • 1...Ke6!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Qe4#
      • 1...Qd6
        • 2.Se7#
      • 1...Be5
        • 2.Qa2#
      • 1...Qe6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(e);SBLOCK::R(D)+S(C),DCHECK
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(A);P-FLIGHT,P_SPINS(C)
    • Threat
      • QAB1(B)
    • Vars
      • Q(e);N_PINS(C),SBLOCK::R(D)+S(C),DCHECK
      • B(g);SBLOCK::QAB(B)
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