MESON Chess Problem Database

Problem Display
PID: 136430 (5Q2/6N1/4PN1K/B3k3/8/8/8/8 w - - 0 1)

Nikitin, Vladimir V

Neue Osnabrucker Zeitung, 1999

5Q2/6N1/4PN1K/B3k3/8/8/8/8

#2

6 + 1

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Kxf6
        • 2.Bc3#
        • 2.Bd8#
        • 2.Qg5#
      • 1...Kf4!
    • 1.Qd6+?
      • 1...Kxf6
        • 2.Bc3#
        • 2.Bd8#
      • 1...Kxd6!
    • 1.Qb8+?
      • 1...Kxf6
        • 2.Bd8#
      • 1...Kd4!
  • Keys
    • 1.Qa3!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Bc7#
      • 1...Kxf6
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT,XS(C)::B(A)
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