MESON Chess Problem Database

Problem Display
PID: 185822 (8/5n1k/6NP/8/6NK/8/2Q5/8 w - - 0 1)

Nikitin, Vladimir V

Freie Presse, 2000

(First published on Fri Jan 14 2000)

8/5n1k/6NP/8/6NK/8/2Q5/8

#2

5 + 2

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Kg8
      • 2.Sf6#
  • Tries
    • 1.Kh5?
      • threat
        • 2.Sf6#
      • 1...Kg8
        • 2.Sf6#
      • 1...Sxh6!
    • 1.Sf8+?
      • 1...Kh8
        • 2.Qh7#
      • 1...Kg8!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qxf7#
      • 1...Kxg6
        • 2.Qc2#
      • 1...Kg8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • S(B)
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • S(a);XP(E)
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);P_PINS(a)
    • Threat
      • QAR2(A),XS(a)
    • Vars
      • K(b);N_SPINS(a),OGATEB,S_FLIGHT,XS(D)::QAB(A)
      • K(b);N_SPINS(a),S_FLIGHT::S(B)
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