MESON Chess Problem Database

Problem Display
PID: 255594 (5K1k/7q/8/8/3N4/8/8/B3R1R1 w - - 0 1)

Kolpakov, Viktor Sergeevich

Kudesnik, 1994

5K1k/7q/8/8/3N4/8/8/B3R1R1

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Rxh1#
  • Keys
    • 1.Rh1!
      • threat
        • 2.Sc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sf5#
        • 2.Sc6#
        • 2.Se6#
      • 1...Qh6+
        • 2.Rxh6#
      • 1...Qxh1
        • 2.Rxh1#
      • 1...Qh2
        • 2.Rxh2#
      • 1...Qh3
        • 2.Rxh3#
      • 1...Qh4
        • 2.Rxh4#
      • 1...Qh5
        • 2.Rxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(a);OGATEB::R(C),XQ(a)
  • Actual
    • R(C);P_PINQ(a)
    • Threat
      • DUALS(8)
    • Vars
      • Q(a);CHECK,OGATEB::R(C),XQ(a)
      • Q(a);N_SPINQ(a),OGATE,XR(C)::R(B),XQ(a)
      • Q(a);OGATEB::R(C),XQ(a)
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