MESON Chess Problem Database

Problem Display
PID: 230763 (6bk/4N1pp/4n1P1/8/8/2Q2R2/1B3K2/8 w - - 0 1)

Abdullayev, Elmar

Kudesnik, 2009

6bk/4N1pp/4n1P1/8/8/2Q2R2/1B3K2/8

#2

6 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Qxg7#
    • 1...Sc5
      • 2.Qxg7#
    • 1...Sg5
      • 2.Qxg7#
    • 1...Sc7
      • 2.Qxg7#
    • 1...Sd8
      • 2.Qxg7#
    • 1...Sf8
      • 2.Qxg7#
  • Keys
    • 1.Rf8!
      • threat
        • 2.Rxg8#
      • 1...Sxf8
        • 2.Qxg7#
      • 1...hxg6
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::QAB1(C),XP(b)
  • Actual
    • R(D);P_PINB(d)
    • Threat
      • R1(D),XB(d)
    • Vars
      • S(a);N_GUARD,N_SPINB(d),XR(D)::QAB1(C),XP(b)
      • P(c);OGATEB,XP(E)::QAR(C)
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