MESON Chess Problem Database

Problem Display
PID: 186829 (1B5K/3N4/8/6k1/1Q4B1/2N5/8/8 w - - 0 1)

Nikitin, Vladimir V

Freie Presse, 2000

(First published on Fri Jul 14 2000)

1B5K/3N4/8/6k1/1Q4B1/2N5/8/8

#2

6 + 1

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Qa5+?
      • 1...Kh4
        • 2.Qh5#
      • 1...Kg6
        • 2.Qh5#
      • 1...Kh6
        • 2.Qh5#
      • 1...Kxg4!
    • 1.Qc5+?
      • 1...Kh4
        • 2.Qh5#
      • 1...Kg6
        • 2.Qh5#
      • 1...Kh6
        • 2.Qh5#
      • 1...Kxg4!
    • 1.Qe7+?
      • 1...Kg6
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kh6
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kxg4!
    • 1.Qd4?
      • 1...Kg6
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kh6
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kh4!
    • 1.Qe4?
      • 1...Kh6
        • 2.Bf4#
      • 1...Kh4!
    • 1.Qf4+?
      • 1...Kg6
        • 2.Se5#
        • 2.Sf8#
        • 2.Qf6#
      • 1...Kh4!
    • 1.Qb5+?
      • 1...Kh4
        • 2.Qh5#
      • 1...Kg6
        • 2.Qh5#
      • 1...Kh6
        • 2.Qh5#
      • 1...Kxg4!
  • Keys
    • 1.Se5!
      • 1...Kh4
        • 2.Sf3#
      • 1...Kf6
        • 2.Se4#
      • 1...Kh6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
        • K(a);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
        • K(a);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
        • K(a);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT::QAB(B)
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