MESON Chess Problem Database

Problem Display
PID: 197054 (5B2/4pNN1/2rRPkP1/2p4P/2K5/5B1b/4R3/8 w - - 0 1)

Poponin, Vladimir Grigorievich

Zadachi i Etyudi, 1996

5B2/4pNN1/2rRPkP1/2p4P/2K5/5B1b/4R3/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Se8#
    • 1...Bxe6+
      • 2.Rexe6#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Se8#
        • 2.Rf2#
      • 1...Rc8
        • 2.Rf2#
      • 1...Bf1
        • 2.Se8#
      • 1...Bg2
        • 2.Se8#
      • 1...Bxg4!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Bg4#
      • 1...Bf1+
        • 2.Be2#
      • 1...Bxe6+
        • 2.Bd5#
      • 1...Bg2
        • 2.Bxg2#
      • 1...Bg4
        • 2.Bxg4#
      • 1...Bf5
        • 2.Se8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::S(I)
    • B(a);CHECK,OGATE,P_SPINB(a),XP(F)::R1(A),XB(a)
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);::R(A)
        • B(a);P_PINR(A)::S(I)
        • B(a);::S(I)
      • Refutation
        • B(a);XB(B)
  • Actual
    • R(A);
    • Threat
      • R(A)+B(B)
    • Vars
      • B(a);CHECK,N_GUARD::R(A)+B(B)
      • B(a);CHECK,N_GUARD,P_SPINB(a),XP(F)::R(A)+B(B)
      • B(a);N_GUARD::R(A)+B(B),XB(a)
      • B(a);::R(A)+B(B),XB(a)
      • B(a);SBLOCK::S(I)
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